./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 20ed64ec 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 ea1fbe157ea6ed0e661f632bb00aba6515b6f780 ................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis 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 ea1fbe157ea6ed0e661f632bb00aba6515b6f780 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 06:11:13,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 06:11:13,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 06:11:13,208 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 06:11:13,208 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 06:11:13,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 06:11:13,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 06:11:13,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 06:11:13,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 06:11:13,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 06:11:13,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 06:11:13,225 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 06:11:13,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 06:11:13,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 06:11:13,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 06:11:13,230 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 06:11:13,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 06:11:13,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 06:11:13,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 06:11:13,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 06:11:13,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 06:11:13,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 06:11:13,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 06:11:13,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 06:11:13,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 06:11:13,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 06:11:13,249 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 06:11:13,251 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 06:11:13,251 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 06:11:13,252 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 06:11:13,252 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 06:11:13,252 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 06:11:13,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 06:11:13,254 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 06:11:13,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 06:11:13,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 06:11:13,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 06:11:13,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 06:11:13,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 06:11:13,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 06:11:13,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 06:11:13,261 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-08-27 06:11:13,284 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 06:11:13,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 06:11:13,285 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 06:11:13,286 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 06:11:13,287 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 06:11:13,287 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 06:11:13,287 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 06:11:13,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 06:11:13,288 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 06:11:13,288 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 06:11:13,288 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 06:11:13,288 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 06:11:13,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 06:11:13,289 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-27 06:11:13,289 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-27 06:11:13,289 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-27 06:11:13,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 06:11:13,289 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-27 06:11:13,289 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 06:11:13,290 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 06:11:13,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 06:11:13,290 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 06:11:13,290 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 06:11:13,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 06:11:13,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 06:11:13,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 06:11:13,291 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 06:11:13,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-27 06:11:13,291 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 06:11:13,291 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea1fbe157ea6ed0e661f632bb00aba6515b6f780 [2021-08-27 06:11:13,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 06:11:13,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 06:11:13,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 06:11:13,582 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 06:11:13,583 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 06:11:13,583 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2021-08-27 06:11:13,634 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c223b8b9/dc118052781f401c9f78f34f032b6926/FLAGdb0eb23cd [2021-08-27 06:11:14,005 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 06:11:14,006 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2021-08-27 06:11:14,014 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c223b8b9/dc118052781f401c9f78f34f032b6926/FLAGdb0eb23cd [2021-08-27 06:11:14,402 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c223b8b9/dc118052781f401c9f78f34f032b6926 [2021-08-27 06:11:14,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 06:11:14,405 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-27 06:11:14,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 06:11:14,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 06:11:14,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 06:11:14,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:11:14" (1/1) ... [2021-08-27 06:11:14,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@263a11f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:11:14, skipping insertion in model container [2021-08-27 06:11:14,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:11:14" (1/1) ... [2021-08-27 06:11:14,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 06:11:14,457 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 06:11:14,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 06:11:14,763 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) [2021-08-27 06:11:14,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@170900e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:11:14, skipping insertion in model container [2021-08-27 06:11:14,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 06:11:14,764 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-08-27 06:11:14,765 INFO L168 Benchmark]: Toolchain (without parser) took 359.49 ms. Allocated memory is still 60.8 MB. Free memory was 37.2 MB in the beginning and 40.0 MB in the end (delta: -2.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-08-27 06:11:14,766 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 60.8 MB. Free memory was 41.3 MB in the beginning and 41.3 MB in the end (delta: 28.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 06:11:14,766 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.16 ms. Allocated memory is still 60.8 MB. Free memory was 37.0 MB in the beginning and 40.0 MB in the end (delta: -3.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-08-27 06:11:14,767 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 60.8 MB. Free memory was 41.3 MB in the beginning and 41.3 MB in the end (delta: 28.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 356.16 ms. Allocated memory is still 60.8 MB. Free memory was 37.0 MB in the beginning and 40.0 MB in the end (delta: -3.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 06:11:16,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 06:11:16,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 06:11:16,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 06:11:16,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 06:11:16,126 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 06:11:16,127 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 06:11:16,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 06:11:16,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 06:11:16,130 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 06:11:16,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 06:11:16,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 06:11:16,131 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 06:11:16,132 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 06:11:16,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 06:11:16,134 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 06:11:16,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 06:11:16,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 06:11:16,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 06:11:16,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 06:11:16,138 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 06:11:16,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 06:11:16,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 06:11:16,143 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 06:11:16,146 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 06:11:16,149 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 06:11:16,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 06:11:16,150 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 06:11:16,151 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 06:11:16,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 06:11:16,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 06:11:16,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 06:11:16,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 06:11:16,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 06:11:16,155 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 06:11:16,155 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 06:11:16,156 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 06:11:16,156 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 06:11:16,156 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 06:11:16,157 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 06:11:16,158 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 06:11:16,158 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-08-27 06:11:16,174 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 06:11:16,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 06:11:16,175 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 06:11:16,175 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 06:11:16,176 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 06:11:16,176 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 06:11:16,176 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 06:11:16,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 06:11:16,177 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 06:11:16,177 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 06:11:16,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 06:11:16,177 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 06:11:16,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 06:11:16,177 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-27 06:11:16,178 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-27 06:11:16,178 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-27 06:11:16,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 06:11:16,178 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-27 06:11:16,178 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-27 06:11:16,178 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-27 06:11:16,179 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 06:11:16,179 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 06:11:16,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 06:11:16,179 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 06:11:16,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 06:11:16,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 06:11:16,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 06:11:16,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 06:11:16,180 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-27 06:11:16,180 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-27 06:11:16,180 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 06:11:16,180 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-27 06:11:16,180 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea1fbe157ea6ed0e661f632bb00aba6515b6f780 [2021-08-27 06:11:16,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 06:11:16,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 06:11:16,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 06:11:16,434 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 06:11:16,434 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 06:11:16,435 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2021-08-27 06:11:16,481 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/793b6c54c/bbccc10ddf78466882dce9632d8f673f/FLAG602b5a887 [2021-08-27 06:11:16,876 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 06:11:16,877 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2021-08-27 06:11:16,890 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/793b6c54c/bbccc10ddf78466882dce9632d8f673f/FLAG602b5a887 [2021-08-27 06:11:16,903 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/793b6c54c/bbccc10ddf78466882dce9632d8f673f [2021-08-27 06:11:16,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 06:11:16,908 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-27 06:11:16,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 06:11:16,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 06:11:16,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 06:11:16,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:11:16" (1/1) ... [2021-08-27 06:11:16,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@393ff5d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:11:16, skipping insertion in model container [2021-08-27 06:11:16,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:11:16" (1/1) ... [2021-08-27 06:11:16,918 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 06:11:16,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 06:11:17,292 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 06:11:17,304 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-08-27 06:11:17,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 06:11:17,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 06:11:17,344 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 06:11:17,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 06:11:17,411 INFO L208 MainTranslator]: Completed translation [2021-08-27 06:11:17,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:11:17 WrapperNode [2021-08-27 06:11:17,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 06:11:17,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 06:11:17,412 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 06:11:17,413 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 06:11:17,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:11:17" (1/1) ... [2021-08-27 06:11:17,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:11:17" (1/1) ... [2021-08-27 06:11:17,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:11:17" (1/1) ... [2021-08-27 06:11:17,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:11:17" (1/1) ... [2021-08-27 06:11:17,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:11:17" (1/1) ... [2021-08-27 06:11:17,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:11:17" (1/1) ... [2021-08-27 06:11:17,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:11:17" (1/1) ... [2021-08-27 06:11:17,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 06:11:17,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 06:11:17,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 06:11:17,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 06:11:17,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:11:17" (1/1) ... [2021-08-27 06:11:17,501 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 06:11:17,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 06:11:17,518 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) [2021-08-27 06:11:17,525 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 [2021-08-27 06:11:17,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-08-27 06:11:17,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 06:11:17,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-08-27 06:11:17,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-08-27 06:11:17,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-08-27 06:11:17,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-08-27 06:11:17,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-08-27 06:11:17,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-08-27 06:11:17,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-08-27 06:11:17,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-08-27 06:11:17,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-08-27 06:11:17,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-08-27 06:11:17,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-08-27 06:11:17,556 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-08-27 06:11:17,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-08-27 06:11:17,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-08-27 06:11:17,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-08-27 06:11:17,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-08-27 06:11:17,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-08-27 06:11:17,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-08-27 06:11:17,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-08-27 06:11:17,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-08-27 06:11:17,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-08-27 06:11:17,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-08-27 06:11:17,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-08-27 06:11:17,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-08-27 06:11:17,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-08-27 06:11:17,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-08-27 06:11:17,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-08-27 06:11:17,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-08-27 06:11:17,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-08-27 06:11:17,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-08-27 06:11:17,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-08-27 06:11:17,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-08-27 06:11:17,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-08-27 06:11:17,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-08-27 06:11:17,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-08-27 06:11:17,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-08-27 06:11:17,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-08-27 06:11:17,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-08-27 06:11:17,560 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-08-27 06:11:17,560 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-08-27 06:11:17,560 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_16 [2021-08-27 06:11:17,560 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-08-27 06:11:17,560 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-08-27 06:11:17,560 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-08-27 06:11:17,560 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-08-27 06:11:17,561 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-08-27 06:11:17,561 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-08-27 06:11:17,561 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-08-27 06:11:17,561 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-08-27 06:11:17,561 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-08-27 06:11:17,561 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-08-27 06:11:17,561 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-08-27 06:11:17,561 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-08-27 06:11:17,562 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-08-27 06:11:17,562 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-08-27 06:11:17,562 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-08-27 06:11:17,562 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-08-27 06:11:17,562 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-08-27 06:11:17,562 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-08-27 06:11:17,562 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-08-27 06:11:17,562 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-08-27 06:11:17,563 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-08-27 06:11:17,563 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-08-27 06:11:17,563 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-08-27 06:11:17,563 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-08-27 06:11:17,563 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-08-27 06:11:17,563 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-08-27 06:11:17,563 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-08-27 06:11:17,563 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-08-27 06:11:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-08-27 06:11:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-08-27 06:11:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-08-27 06:11:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-08-27 06:11:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-08-27 06:11:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-08-27 06:11:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-08-27 06:11:17,564 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-08-27 06:11:17,565 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-08-27 06:11:17,565 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-08-27 06:11:17,565 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-08-27 06:11:17,565 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-08-27 06:11:17,565 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-08-27 06:11:17,565 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-08-27 06:11:17,565 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-08-27 06:11:17,565 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-08-27 06:11:17,565 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-08-27 06:11:17,566 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-08-27 06:11:17,566 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-08-27 06:11:17,566 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-08-27 06:11:17,566 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-08-27 06:11:17,566 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-08-27 06:11:17,566 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-08-27 06:11:17,566 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-08-27 06:11:17,566 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-08-27 06:11:17,567 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-08-27 06:11:17,567 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-08-27 06:11:17,567 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-08-27 06:11:17,567 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-08-27 06:11:17,567 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-08-27 06:11:17,567 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-08-27 06:11:17,567 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-08-27 06:11:17,567 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-08-27 06:11:17,567 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-08-27 06:11:17,568 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-08-27 06:11:17,568 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-08-27 06:11:17,568 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-08-27 06:11:17,568 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-08-27 06:11:17,568 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-08-27 06:11:17,568 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-08-27 06:11:17,568 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-08-27 06:11:17,568 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-08-27 06:11:17,568 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-08-27 06:11:17,569 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-08-27 06:11:17,569 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-08-27 06:11:17,569 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-08-27 06:11:17,569 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-08-27 06:11:17,569 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-08-27 06:11:17,569 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-08-27 06:11:17,569 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-08-27 06:11:17,569 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-08-27 06:11:17,570 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-08-27 06:11:17,570 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-08-27 06:11:17,570 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-08-27 06:11:17,570 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-08-27 06:11:17,570 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-08-27 06:11:17,570 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-08-27 06:11:17,570 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-08-27 06:11:17,571 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-08-27 06:11:17,571 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-08-27 06:11:17,571 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-08-27 06:11:17,571 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-08-27 06:11:17,571 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-08-27 06:11:17,571 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-08-27 06:11:17,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-08-27 06:11:17,571 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-08-27 06:11:17,571 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-08-27 06:11:17,572 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-08-27 06:11:17,572 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-08-27 06:11:17,572 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-08-27 06:11:17,572 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-08-27 06:11:17,572 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-08-27 06:11:17,572 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-08-27 06:11:17,572 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-08-27 06:11:17,572 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-08-27 06:11:17,573 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-08-27 06:11:17,573 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-08-27 06:11:17,573 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-08-27 06:11:17,573 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-08-27 06:11:17,573 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-08-27 06:11:17,573 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-08-27 06:11:17,573 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-08-27 06:11:17,573 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-08-27 06:11:17,573 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-08-27 06:11:17,574 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-08-27 06:11:17,574 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-08-27 06:11:17,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-08-27 06:11:17,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-08-27 06:11:17,574 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-08-27 06:11:17,574 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-08-27 06:11:17,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-08-27 06:11:17,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-27 06:11:17,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-08-27 06:11:17,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-08-27 06:11:17,575 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-08-27 06:11:17,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-27 06:11:17,575 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-08-27 06:11:17,575 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-08-27 06:11:17,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-08-27 06:11:17,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-08-27 06:11:17,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-08-27 06:11:17,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-08-27 06:11:17,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-08-27 06:11:17,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-08-27 06:11:17,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-08-27 06:11:17,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-08-27 06:11:17,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-27 06:11:17,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-08-27 06:11:17,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-08-27 06:11:17,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-08-27 06:11:17,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-08-27 06:11:17,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-08-27 06:11:17,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-08-27 06:11:17,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-08-27 06:11:17,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-08-27 06:11:17,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-08-27 06:11:17,577 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-08-27 06:11:17,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-08-27 06:11:17,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-08-27 06:11:17,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-08-27 06:11:17,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-08-27 06:11:17,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-08-27 06:11:17,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-08-27 06:11:17,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-08-27 06:11:17,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-08-27 06:11:17,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-08-27 06:11:17,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-08-27 06:11:17,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-08-27 06:11:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-08-27 06:11:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-08-27 06:11:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-08-27 06:11:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_16 [2021-08-27 06:11:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-08-27 06:11:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-08-27 06:11:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-08-27 06:11:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 06:11:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-08-27 06:11:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 06:11:17,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-08-27 06:11:17,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-08-27 06:11:17,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-08-27 06:11:17,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-08-27 06:11:17,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-08-27 06:11:18,072 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 06:11:18,323 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 06:11:18,495 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 06:11:18,496 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-08-27 06:11:18,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 06:11:18 BoogieIcfgContainer [2021-08-27 06:11:18,497 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 06:11:18,498 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-27 06:11:18,498 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-27 06:11:18,500 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-27 06:11:18,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 06:11:16" (1/3) ... [2021-08-27 06:11:18,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f3dddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 06:11:18, skipping insertion in model container [2021-08-27 06:11:18,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:11:17" (2/3) ... [2021-08-27 06:11:18,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f3dddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 06:11:18, skipping insertion in model container [2021-08-27 06:11:18,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 06:11:18" (3/3) ... [2021-08-27 06:11:18,502 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test16_2.i [2021-08-27 06:11:18,506 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-27 06:11:18,506 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 71 error locations. [2021-08-27 06:11:18,530 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-27 06:11:18,534 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, mConcurrency=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 [2021-08-27 06:11:18,534 INFO L340 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2021-08-27 06:11:18,544 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 54 states have (on average 1.462962962962963) internal successors, (79), 72 states have internal predecessors, (79), 12 states have call successors, (12), 11 states have call predecessors, (12), 11 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-08-27 06:11:18,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-27 06:11:18,548 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:11:18,549 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:11:18,549 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] === [2021-08-27 06:11:18,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:11:18,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1104597720, now seen corresponding path program 1 times [2021-08-27 06:11:18,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:11:18,559 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1560745946] [2021-08-27 06:11:18,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:11:18,559 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:11:18,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:11:18,562 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) [2021-08-27 06:11:18,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-08-27 06:11:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:11:18,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-27 06:11:18,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:11:18,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:11:18,872 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:11:18,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:11:18,998 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:11:18,998 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1560745946] [2021-08-27 06:11:18,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1560745946] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 06:11:18,998 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 06:11:18,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-08-27 06:11:19,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533151597] [2021-08-27 06:11:19,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-27 06:11:19,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 06:11:19,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 06:11:19,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 06:11:19,013 INFO L87 Difference]: Start difference. First operand has 96 states, 54 states have (on average 1.462962962962963) internal successors, (79), 72 states have internal predecessors, (79), 12 states have call successors, (12), 11 states have call predecessors, (12), 11 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-08-27 06:11:19,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 06:11:19,048 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2021-08-27 06:11:19,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 06:11:19,050 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 16 [2021-08-27 06:11:19,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 06:11:19,054 INFO L225 Difference]: With dead ends: 35 [2021-08-27 06:11:19,054 INFO L226 Difference]: Without dead ends: 23 [2021-08-27 06:11:19,055 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 06:11:19,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-08-27 06:11:19,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2021-08-27 06:11:19,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 13 states have (on average 1.0) internal successors, (13), 13 states have internal predecessors, (13), 5 states have call successors, (5), 5 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-08-27 06:11:19,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 22 transitions. [2021-08-27 06:11:19,073 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 22 transitions. Word has length 16 [2021-08-27 06:11:19,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 06:11:19,073 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 22 transitions. [2021-08-27 06:11:19,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-08-27 06:11:19,073 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 22 transitions. [2021-08-27 06:11:19,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-27 06:11:19,074 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:11:19,074 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:11:19,083 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-08-27 06:11:19,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 06:11:19,279 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 67 more)] === [2021-08-27 06:11:19,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:11:19,280 INFO L82 PathProgramCache]: Analyzing trace with hash -295878751, now seen corresponding path program 1 times [2021-08-27 06:11:19,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:11:19,281 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1006921826] [2021-08-27 06:11:19,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:11:19,281 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:11:19,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:11:19,284 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) [2021-08-27 06:11:19,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-08-27 06:11:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 06:11:19,449 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 06:11:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 06:11:19,511 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-08-27 06:11:19,514 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-27 06:11:19,515 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-08-27 06:11:19,517 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-08-27 06:11:19,517 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-08-27 06:11:19,518 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-08-27 06:11:19,518 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-08-27 06:11:19,518 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-08-27 06:11:19,518 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-08-27 06:11:19,518 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-08-27 06:11:19,519 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-08-27 06:11:19,519 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-08-27 06:11:19,519 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-08-27 06:11:19,520 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-08-27 06:11:19,520 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-08-27 06:11:19,520 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-08-27 06:11:19,520 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-08-27 06:11:19,520 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-08-27 06:11:19,520 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-08-27 06:11:19,520 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-08-27 06:11:19,521 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-08-27 06:11:19,521 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-08-27 06:11:19,529 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-08-27 06:11:19,529 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-08-27 06:11:19,529 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-08-27 06:11:19,529 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-08-27 06:11:19,530 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-08-27 06:11:19,530 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-08-27 06:11:19,530 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-08-27 06:11:19,530 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-08-27 06:11:19,530 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-08-27 06:11:19,531 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-08-27 06:11:19,531 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-08-27 06:11:19,531 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-08-27 06:11:19,531 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-08-27 06:11:19,531 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-08-27 06:11:19,531 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-08-27 06:11:19,531 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-08-27 06:11:19,532 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-08-27 06:11:19,532 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-08-27 06:11:19,532 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-08-27 06:11:19,532 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-08-27 06:11:19,533 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-08-27 06:11:19,533 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-08-27 06:11:19,533 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-08-27 06:11:19,533 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:11:19,533 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:11:19,533 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:11:19,533 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:11:19,534 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:11:19,534 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:11:19,534 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-08-27 06:11:19,534 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-08-27 06:11:19,534 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-08-27 06:11:19,534 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-08-27 06:11:19,535 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-08-27 06:11:19,535 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-08-27 06:11:19,535 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-08-27 06:11:19,535 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-08-27 06:11:19,535 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:11:19,535 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:11:19,535 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:11:19,536 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:11:19,536 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:11:19,536 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:11:19,537 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-08-27 06:11:19,537 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-08-27 06:11:19,537 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-08-27 06:11:19,537 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-08-27 06:11:19,537 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-08-27 06:11:19,537 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-08-27 06:11:19,537 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-08-27 06:11:19,538 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-08-27 06:11:19,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-08-27 06:11:19,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 06:11:19,749 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-27 06:11:19,753 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-08-27 06:11:19,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 06:11:19 BoogieIcfgContainer [2021-08-27 06:11:19,766 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-27 06:11:19,768 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 06:11:19,768 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 06:11:19,768 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 06:11:19,768 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 06:11:18" (3/4) ... [2021-08-27 06:11:19,772 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 06:11:19,773 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 06:11:19,776 INFO L168 Benchmark]: Toolchain (without parser) took 2865.64 ms. Allocated memory was 58.7 MB in the beginning and 92.3 MB in the end (delta: 33.6 MB). Free memory was 36.4 MB in the beginning and 62.9 MB in the end (delta: -26.5 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2021-08-27 06:11:19,777 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 58.7 MB. Free memory was 41.3 MB in the beginning and 41.2 MB in the end (delta: 38.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 06:11:19,777 INFO L168 Benchmark]: CACSL2BoogieTranslator took 502.71 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 36.3 MB in the beginning and 55.1 MB in the end (delta: -18.8 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2021-08-27 06:11:19,778 INFO L168 Benchmark]: Boogie Preprocessor took 73.87 ms. Allocated memory is still 75.5 MB. Free memory was 55.1 MB in the beginning and 50.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-08-27 06:11:19,780 INFO L168 Benchmark]: RCFGBuilder took 1010.56 ms. Allocated memory is still 75.5 MB. Free memory was 50.3 MB in the beginning and 45.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 25.9 MB. Max. memory is 16.1 GB. [2021-08-27 06:11:19,784 INFO L168 Benchmark]: TraceAbstraction took 1268.78 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 44.5 MB in the beginning and 63.6 MB in the end (delta: -19.1 MB). Peak memory consumption was 30.9 MB. Max. memory is 16.1 GB. [2021-08-27 06:11:19,784 INFO L168 Benchmark]: Witness Printer took 5.08 ms. Allocated memory is still 92.3 MB. Free memory was 63.6 MB in the beginning and 62.9 MB in the end (delta: 762.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 06:11:19,787 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 58.7 MB. Free memory was 41.3 MB in the beginning and 41.2 MB in the end (delta: 38.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 502.71 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 36.3 MB in the beginning and 55.1 MB in the end (delta: -18.8 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 73.87 ms. Allocated memory is still 75.5 MB. Free memory was 55.1 MB in the beginning and 50.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1010.56 ms. Allocated memory is still 75.5 MB. Free memory was 50.3 MB in the beginning and 45.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 25.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1268.78 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 44.5 MB in the beginning and 63.6 MB in the end (delta: -19.1 MB). Peak memory consumption was 30.9 MB. Max. memory is 16.1 GB. * Witness Printer took 5.08 ms. Allocated memory is still 92.3 MB. Free memory was 63.6 MB in the beginning and 62.9 MB in the end (delta: 762.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms 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 [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={-2147483648:0}] [L772] CALL entry_point() VAL [ldv_global_msg_list={-2147483648:0}] [L768] int condition = __VERIFIER_nondet_int(); [L769] CALL, EXPR alloc_16(condition) VAL [\old(condition)=2147483648, ldv_global_msg_list={-2147483648:0}] [L761] COND TRUE \read(condition) VAL [\old(condition)=2147483648, condition=2147483648, ldv_global_msg_list={-2147483648:0}] [L762] CALL, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(size)=4, ldv_global_msg_list={-2147483648:0}] [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={-2147483648:0}, ldv_malloc(sizeof(struct A16))={1:0}] [L762] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L763] return p; VAL [\old(condition)=2147483648, \result={1:0}, condition=2147483648, ldv_global_msg_list={-2147483648:0}, p={1:0}] [L769] RET, EXPR alloc_16(condition) VAL [alloc_16(condition)={1:0}, condition=2147483648, ldv_global_msg_list={-2147483648:0}] [L769] struct A16 *p = alloc_16(condition); [L772] RET entry_point() VAL [ldv_global_msg_list={-2147483648:0}] - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 48 procedures, 336 locations, 71 error locations. Started 1 CEGAR loops. OverallTime: 1218.6ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 7.1ms, AutomataDifference: 51.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 24 SDtfs, 6 SDslu, 8 SDs, 0 SdLazy, 13 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 9.5ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 18.1ms SsaConstructionTime, 49.2ms SatisfiabilityAnalysisTime, 248.6ms InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 74 SizeOfPredicates, 0 NumberOfNonLiveVariables, 61 ConjunctsInSsa, 6 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 [2021-08-27 06:11:19,821 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...