./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6692e4fc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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_1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 64bit --witnessprinter.graph.data.programhash 1c12c64cb0672f0b7adf7ed2c7ccf016f73bc65a ......................................................................................................................... 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 -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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_1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 64bit --witnessprinter.graph.data.programhash 1c12c64cb0672f0b7adf7ed2c7ccf016f73bc65a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.24-6692e4f [2019-11-25 17:11:35,047 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 17:11:35,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 17:11:35,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 17:11:35,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 17:11:35,073 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 17:11:35,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 17:11:35,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 17:11:35,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 17:11:35,095 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 17:11:35,096 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 17:11:35,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 17:11:35,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 17:11:35,103 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 17:11:35,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 17:11:35,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 17:11:35,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 17:11:35,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 17:11:35,113 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 17:11:35,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 17:11:35,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 17:11:35,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 17:11:35,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 17:11:35,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 17:11:35,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 17:11:35,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 17:11:35,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 17:11:35,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 17:11:35,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 17:11:35,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 17:11:35,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 17:11:35,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 17:11:35,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 17:11:35,142 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 17:11:35,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 17:11:35,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 17:11:35,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 17:11:35,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 17:11:35,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 17:11:35,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 17:11:35,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 17:11:35,147 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-25 17:11:35,182 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 17:11:35,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 17:11:35,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 17:11:35,188 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 17:11:35,189 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 17:11:35,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 17:11:35,189 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 17:11:35,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 17:11:35,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 17:11:35,192 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-25 17:11:35,193 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-25 17:11:35,193 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-25 17:11:35,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 17:11:35,193 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 17:11:35,194 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 17:11:35,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 17:11:35,195 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 17:11:35,195 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 17:11:35,196 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 17:11:35,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 17:11:35,197 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 17:11:35,197 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 17:11:35,197 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 17:11:35,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 17:11:35,198 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c12c64cb0672f0b7adf7ed2c7ccf016f73bc65a [2019-11-25 17:11:35,525 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 17:11:35,550 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 17:11:35,554 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 17:11:35,557 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 17:11:35,558 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 17:11:35,559 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2019-11-25 17:11:35,630 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/717386089/e4ae7dfa0afa4643a4d2ff4704ce6611/FLAG51e981008 [2019-11-25 17:11:36,180 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 17:11:36,181 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2019-11-25 17:11:36,204 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/717386089/e4ae7dfa0afa4643a4d2ff4704ce6611/FLAG51e981008 [2019-11-25 17:11:36,488 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/717386089/e4ae7dfa0afa4643a4d2ff4704ce6611 [2019-11-25 17:11:36,491 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 17:11:36,493 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-25 17:11:36,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 17:11:36,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 17:11:36,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 17:11:36,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:11:36" (1/1) ... [2019-11-25 17:11:36,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c6d29e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:36, skipping insertion in model container [2019-11-25 17:11:36,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:11:36" (1/1) ... [2019-11-25 17:11:36,510 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 17:11:36,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 17:11:37,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 17:11:37,223 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) [2019-11-25 17:11:37,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4f87d05b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:37, skipping insertion in model container [2019-11-25 17:11:37,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 17:11:37,224 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-25 17:11:37,227 INFO L168 Benchmark]: Toolchain (without parser) took 733.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -157.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-25 17:11:37,228 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 17:11:37,229 INFO L168 Benchmark]: CACSL2BoogieTranslator took 730.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -157.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-25 17:11:37,232 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 730.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -157.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 577]: 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 0.1.24-6692e4f [2019-11-25 17:11:39,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 17:11:39,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 17:11:39,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 17:11:39,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 17:11:39,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 17:11:39,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 17:11:39,038 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 17:11:39,043 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 17:11:39,047 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 17:11:39,048 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 17:11:39,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 17:11:39,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 17:11:39,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 17:11:39,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 17:11:39,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 17:11:39,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 17:11:39,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 17:11:39,064 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 17:11:39,068 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 17:11:39,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 17:11:39,077 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 17:11:39,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 17:11:39,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 17:11:39,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 17:11:39,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 17:11:39,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 17:11:39,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 17:11:39,086 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 17:11:39,087 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 17:11:39,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 17:11:39,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 17:11:39,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 17:11:39,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 17:11:39,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 17:11:39,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 17:11:39,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 17:11:39,094 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 17:11:39,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 17:11:39,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 17:11:39,097 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 17:11:39,098 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-25 17:11:39,123 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 17:11:39,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 17:11:39,125 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 17:11:39,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 17:11:39,129 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 17:11:39,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 17:11:39,130 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 17:11:39,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 17:11:39,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 17:11:39,130 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-25 17:11:39,131 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-25 17:11:39,131 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-25 17:11:39,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 17:11:39,131 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 17:11:39,131 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 17:11:39,132 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 17:11:39,132 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 17:11:39,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 17:11:39,132 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 17:11:39,133 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 17:11:39,133 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 17:11:39,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 17:11:39,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 17:11:39,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 17:11:39,134 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 17:11:39,134 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 17:11:39,134 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 17:11:39,134 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c12c64cb0672f0b7adf7ed2c7ccf016f73bc65a [2019-11-25 17:11:39,436 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 17:11:39,454 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 17:11:39,458 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 17:11:39,459 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 17:11:39,460 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 17:11:39,461 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2019-11-25 17:11:39,524 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15a1d60c0/d74d6b336c4d4e0bb7074fc86dd4b242/FLAGc42162853 [2019-11-25 17:11:40,089 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 17:11:40,092 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16_1.i [2019-11-25 17:11:40,118 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15a1d60c0/d74d6b336c4d4e0bb7074fc86dd4b242/FLAGc42162853 [2019-11-25 17:11:40,309 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15a1d60c0/d74d6b336c4d4e0bb7074fc86dd4b242 [2019-11-25 17:11:40,312 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 17:11:40,313 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-25 17:11:40,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 17:11:40,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 17:11:40,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 17:11:40,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:11:40" (1/1) ... [2019-11-25 17:11:40,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43c2c676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:40, skipping insertion in model container [2019-11-25 17:11:40,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:11:40" (1/1) ... [2019-11-25 17:11:40,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 17:11:40,373 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 17:11:40,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 17:11:40,929 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-25 17:11:40,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 17:11:41,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 17:11:41,046 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 17:11:41,097 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 17:11:41,203 INFO L208 MainTranslator]: Completed translation [2019-11-25 17:11:41,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:41 WrapperNode [2019-11-25 17:11:41,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 17:11:41,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 17:11:41,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 17:11:41,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 17:11:41,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:41" (1/1) ... [2019-11-25 17:11:41,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:41" (1/1) ... [2019-11-25 17:11:41,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:41" (1/1) ... [2019-11-25 17:11:41,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:41" (1/1) ... [2019-11-25 17:11:41,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:41" (1/1) ... [2019-11-25 17:11:41,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:41" (1/1) ... [2019-11-25 17:11:41,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:41" (1/1) ... [2019-11-25 17:11:41,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 17:11:41,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 17:11:41,306 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 17:11:41,306 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 17:11:41,307 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 17:11:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-25 17:11:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 17:11:41,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-25 17:11:41,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-25 17:11:41,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-25 17:11:41,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-25 17:11:41,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-25 17:11:41,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-25 17:11:41,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-25 17:11:41,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-25 17:11:41,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-25 17:11:41,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-25 17:11:41,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-25 17:11:41,361 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-25 17:11:41,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-25 17:11:41,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-25 17:11:41,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-25 17:11:41,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-25 17:11:41,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-25 17:11:41,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-25 17:11:41,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-25 17:11:41,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-25 17:11:41,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-25 17:11:41,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-25 17:11:41,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-25 17:11:41,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-25 17:11:41,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-25 17:11:41,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-25 17:11:41,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-25 17:11:41,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-25 17:11:41,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-25 17:11:41,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-25 17:11:41,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-25 17:11:41,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-25 17:11:41,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-25 17:11:41,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-25 17:11:41,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-25 17:11:41,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-25 17:11:41,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-25 17:11:41,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-25 17:11:41,367 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-25 17:11:41,367 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-25 17:11:41,367 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_unsafe_16 [2019-11-25 17:11:41,368 INFO L138 BoogieDeclarations]: Found implementation of procedure free_16 [2019-11-25 17:11:41,369 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-25 17:11:41,369 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-25 17:11:41,369 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-25 17:11:41,369 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-25 17:11:41,369 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-25 17:11:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-25 17:11:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-25 17:11:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-25 17:11:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-25 17:11:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-25 17:11:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-25 17:11:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-25 17:11:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-25 17:11:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-25 17:11:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-25 17:11:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-25 17:11:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-25 17:11:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-25 17:11:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-25 17:11:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-25 17:11:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-25 17:11:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-25 17:11:41,373 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-25 17:11:41,373 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-25 17:11:41,373 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-25 17:11:41,374 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-25 17:11:41,374 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-25 17:11:41,375 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-25 17:11:41,375 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-25 17:11:41,375 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-25 17:11:41,376 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-25 17:11:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-25 17:11:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-25 17:11:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-25 17:11:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-25 17:11:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-25 17:11:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-25 17:11:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-25 17:11:41,378 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-25 17:11:41,378 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-25 17:11:41,378 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-25 17:11:41,378 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-25 17:11:41,378 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-25 17:11:41,378 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-25 17:11:41,378 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-25 17:11:41,379 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-25 17:11:41,379 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-25 17:11:41,379 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-25 17:11:41,379 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-25 17:11:41,379 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-25 17:11:41,379 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-25 17:11:41,379 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-25 17:11:41,380 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-25 17:11:41,380 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-25 17:11:41,380 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-25 17:11:41,380 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-25 17:11:41,380 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-25 17:11:41,380 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-25 17:11:41,380 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-25 17:11:41,380 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-25 17:11:41,381 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-25 17:11:41,381 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-25 17:11:41,381 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-25 17:11:41,381 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-25 17:11:41,381 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-25 17:11:41,381 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-25 17:11:41,381 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-25 17:11:41,382 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-25 17:11:41,382 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-25 17:11:41,382 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-25 17:11:41,382 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-25 17:11:41,383 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-25 17:11:41,383 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-25 17:11:41,383 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-25 17:11:41,384 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-25 17:11:41,384 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-25 17:11:41,385 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-25 17:11:41,385 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-25 17:11:41,385 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-25 17:11:41,386 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-25 17:11:41,386 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-25 17:11:41,386 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-25 17:11:41,386 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-25 17:11:41,386 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-25 17:11:41,387 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-25 17:11:41,388 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-25 17:11:41,391 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-25 17:11:41,391 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-25 17:11:41,392 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-25 17:11:41,392 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-25 17:11:41,392 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-25 17:11:41,393 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-25 17:11:41,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-25 17:11:41,393 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-25 17:11:41,393 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-25 17:11:41,393 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-25 17:11:41,393 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-25 17:11:41,394 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-25 17:11:41,401 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-25 17:11:41,401 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-25 17:11:41,402 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-25 17:11:41,402 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-25 17:11:41,402 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-25 17:11:41,402 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-25 17:11:41,402 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-25 17:11:41,402 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-25 17:11:41,403 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-25 17:11:41,404 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-25 17:11:41,404 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-25 17:11:41,404 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-25 17:11:41,404 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-25 17:11:41,404 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-25 17:11:41,405 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-25 17:11:41,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-25 17:11:41,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-25 17:11:41,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-25 17:11:41,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-25 17:11:41,405 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-25 17:11:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-25 17:11:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-25 17:11:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-25 17:11:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-25 17:11:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-25 17:11:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-25 17:11:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-25 17:11:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-25 17:11:41,407 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-25 17:11:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-25 17:11:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-25 17:11:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-25 17:11:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-25 17:11:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-25 17:11:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-25 17:11:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-25 17:11:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-25 17:11:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 17:11:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-25 17:11:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-25 17:11:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-25 17:11:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-25 17:11:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-25 17:11:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-25 17:11:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-25 17:11:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-25 17:11:41,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-25 17:11:41,410 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-25 17:11:41,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-25 17:11:41,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-25 17:11:41,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-25 17:11:41,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-25 17:11:41,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-25 17:11:41,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-25 17:11:41,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-25 17:11:41,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-25 17:11:41,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-25 17:11:41,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-25 17:11:41,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-25 17:11:41,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-25 17:11:41,411 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-25 17:11:41,411 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-25 17:11:41,412 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_unsafe_16 [2019-11-25 17:11:41,412 INFO L130 BoogieDeclarations]: Found specification of procedure free_16 [2019-11-25 17:11:41,412 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-25 17:11:41,412 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-25 17:11:41,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-25 17:11:41,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 17:11:41,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-25 17:11:41,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 17:11:41,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-25 17:11:41,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-25 17:11:41,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-25 17:11:41,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-25 17:11:41,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-25 17:11:42,069 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 17:11:42,461 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 17:11:42,863 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 17:11:42,863 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-25 17:11:42,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:11:42 BoogieIcfgContainer [2019-11-25 17:11:42,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 17:11:42,868 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 17:11:42,868 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 17:11:42,871 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 17:11:42,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:11:40" (1/3) ... [2019-11-25 17:11:42,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@151f40a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:11:42, skipping insertion in model container [2019-11-25 17:11:42,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:11:41" (2/3) ... [2019-11-25 17:11:42,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@151f40a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:11:42, skipping insertion in model container [2019-11-25 17:11:42,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:11:42" (3/3) ... [2019-11-25 17:11:42,876 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test16_1.i [2019-11-25 17:11:42,885 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 17:11:42,897 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-11-25 17:11:42,910 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-11-25 17:11:42,937 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 17:11:42,937 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-25 17:11:42,937 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 17:11:42,937 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 17:11:42,937 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 17:11:42,937 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 17:11:42,938 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 17:11:42,938 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 17:11:42,963 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states. [2019-11-25 17:11:42,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-25 17:11:42,978 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:11:42,979 INFO L410 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] [2019-11-25 17:11:42,980 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 17:11:42,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:11:42,986 INFO L82 PathProgramCache]: Analyzing trace with hash -147909416, now seen corresponding path program 1 times [2019-11-25 17:11:43,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:11:43,000 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [832899032] [2019-11-25 17:11:43,000 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-25 17:11:43,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:11:43,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-25 17:11:43,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:11:43,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:11:43,322 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:11:43,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:11:43,465 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [832899032] [2019-11-25 17:11:43,466 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 17:11:43,466 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-25 17:11:43,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582285383] [2019-11-25 17:11:43,472 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-25 17:11:43,473 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 17:11:43,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-25 17:11:43,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-25 17:11:43,494 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 9 states. [2019-11-25 17:11:43,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:11:43,595 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2019-11-25 17:11:43,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-25 17:11:43,599 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2019-11-25 17:11:43,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:11:43,609 INFO L225 Difference]: With dead ends: 35 [2019-11-25 17:11:43,609 INFO L226 Difference]: Without dead ends: 32 [2019-11-25 17:11:43,611 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-25 17:11:43,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-11-25 17:11:43,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2019-11-25 17:11:43,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-11-25 17:11:43,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2019-11-25 17:11:43,660 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 22 [2019-11-25 17:11:43,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:11:43,661 INFO L462 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2019-11-25 17:11:43,661 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-25 17:11:43,661 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2019-11-25 17:11:43,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-25 17:11:43,662 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:11:43,663 INFO L410 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, 1] [2019-11-25 17:11:43,880 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-25 17:11:43,881 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 17:11:43,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:11:43,882 INFO L82 PathProgramCache]: Analyzing trace with hash -290224205, now seen corresponding path program 1 times [2019-11-25 17:11:43,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:11:43,884 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1240047896] [2019-11-25 17:11:43,884 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-25 17:11:44,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:11:44,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-25 17:11:44,039 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:11:44,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:11:44,258 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:11:44,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:11:44,674 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1240047896] [2019-11-25 17:11:44,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 17:11:44,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 16 [2019-11-25 17:11:44,674 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882519069] [2019-11-25 17:11:44,677 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-25 17:11:44,677 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 17:11:44,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-25 17:11:44,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2019-11-25 17:11:44,679 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 17 states. [2019-11-25 17:11:45,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:11:45,184 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2019-11-25 17:11:45,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-11-25 17:11:45,185 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 23 [2019-11-25 17:11:45,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:11:45,189 INFO L225 Difference]: With dead ends: 48 [2019-11-25 17:11:45,189 INFO L226 Difference]: Without dead ends: 48 [2019-11-25 17:11:45,190 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2019-11-25 17:11:45,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2019-11-25 17:11:45,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 31. [2019-11-25 17:11:45,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-11-25 17:11:45,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2019-11-25 17:11:45,196 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 23 [2019-11-25 17:11:45,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:11:45,197 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2019-11-25 17:11:45,198 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-25 17:11:45,198 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2019-11-25 17:11:45,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-25 17:11:45,199 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:11:45,199 INFO L410 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, 1, 1] [2019-11-25 17:11:45,409 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-25 17:11:45,411 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 17:11:45,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:11:45,412 INFO L82 PathProgramCache]: Analyzing trace with hash -407015366, now seen corresponding path program 1 times [2019-11-25 17:11:45,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:11:45,413 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [207323654] [2019-11-25 17:11:45,413 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-25 17:11:45,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:11:45,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-25 17:11:45,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:11:45,585 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-25 17:11:45,585 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 17:11:45,588 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 17:11:45,589 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 17:11:45,589 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-25 17:11:45,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:11:45,681 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:11:45,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:11:45,828 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [207323654] [2019-11-25 17:11:45,828 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 17:11:45,828 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-25 17:11:45,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865135468] [2019-11-25 17:11:45,831 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-25 17:11:45,831 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 17:11:45,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-25 17:11:45,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-25 17:11:45,832 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand 9 states. [2019-11-25 17:11:45,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:11:45,976 INFO L93 Difference]: Finished difference Result 47 states and 50 transitions. [2019-11-25 17:11:45,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-25 17:11:45,977 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2019-11-25 17:11:45,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:11:45,978 INFO L225 Difference]: With dead ends: 47 [2019-11-25 17:11:45,978 INFO L226 Difference]: Without dead ends: 47 [2019-11-25 17:11:45,979 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-25 17:11:45,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-25 17:11:45,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2019-11-25 17:11:45,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-11-25 17:11:45,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 48 transitions. [2019-11-25 17:11:45,990 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 48 transitions. Word has length 24 [2019-11-25 17:11:45,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:11:45,990 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 48 transitions. [2019-11-25 17:11:45,990 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-25 17:11:45,991 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions. [2019-11-25 17:11:45,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-25 17:11:45,992 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:11:45,993 INFO L410 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, 1, 1] [2019-11-25 17:11:46,203 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-25 17:11:46,207 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 17:11:46,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:11:46,208 INFO L82 PathProgramCache]: Analyzing trace with hash -700418373, now seen corresponding path program 1 times [2019-11-25 17:11:46,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:11:46,209 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1995332431] [2019-11-25 17:11:46,209 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-25 17:11:46,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:11:46,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-25 17:11:46,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:11:46,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:11:46,411 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:11:46,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:11:46,497 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1995332431] [2019-11-25 17:11:46,497 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 17:11:46,497 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2019-11-25 17:11:46,498 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897200998] [2019-11-25 17:11:46,498 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-25 17:11:46,499 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 17:11:46,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-25 17:11:46,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-25 17:11:46,499 INFO L87 Difference]: Start difference. First operand 45 states and 48 transitions. Second operand 9 states. [2019-11-25 17:11:46,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:11:46,573 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2019-11-25 17:11:46,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-25 17:11:46,575 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2019-11-25 17:11:46,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:11:46,577 INFO L225 Difference]: With dead ends: 48 [2019-11-25 17:11:46,577 INFO L226 Difference]: Without dead ends: 48 [2019-11-25 17:11:46,578 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-25 17:11:46,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2019-11-25 17:11:46,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 30. [2019-11-25 17:11:46,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-25 17:11:46,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2019-11-25 17:11:46,583 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 24 [2019-11-25 17:11:46,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:11:46,583 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2019-11-25 17:11:46,584 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-25 17:11:46,584 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2019-11-25 17:11:46,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-25 17:11:46,584 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:11:46,585 INFO L410 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, 1, 1, 1, 1] [2019-11-25 17:11:46,791 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-25 17:11:46,792 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 17:11:46,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:11:46,793 INFO L82 PathProgramCache]: Analyzing trace with hash -60766299, now seen corresponding path program 1 times [2019-11-25 17:11:46,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:11:46,794 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1698846194] [2019-11-25 17:11:46,794 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-25 17:11:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 17:11:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 17:11:46,984 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-25 17:11:46,984 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-25 17:11:47,185 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-25 17:11:47,204 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-11-25 17:11:47,211 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-25 17:11:47,212 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-25 17:11:47,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:11:47 BoogieIcfgContainer [2019-11-25 17:11:47,240 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 17:11:47,240 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 17:11:47,240 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 17:11:47,243 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 17:11:47,243 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:11:42" (3/4) ... [2019-11-25 17:11:47,247 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 17:11:47,247 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 17:11:47,249 INFO L168 Benchmark]: Toolchain (without parser) took 6935.52 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 227.5 MB). Free memory was 952.3 MB in the beginning and 965.7 MB in the end (delta: -13.4 MB). Peak memory consumption was 214.2 MB. Max. memory is 11.5 GB. [2019-11-25 17:11:47,249 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 17:11:47,250 INFO L168 Benchmark]: CACSL2BoogieTranslator took 890.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -155.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-25 17:11:47,250 INFO L168 Benchmark]: Boogie Preprocessor took 99.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 17:11:47,253 INFO L168 Benchmark]: RCFGBuilder took 1560.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 990.1 MB in the end (delta: 117.5 MB). Peak memory consumption was 117.5 MB. Max. memory is 11.5 GB. [2019-11-25 17:11:47,254 INFO L168 Benchmark]: TraceAbstraction took 4372.12 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 75.0 MB). Free memory was 990.1 MB in the beginning and 965.7 MB in the end (delta: 24.5 MB). Peak memory consumption was 99.4 MB. Max. memory is 11.5 GB. [2019-11-25 17:11:47,255 INFO L168 Benchmark]: Witness Printer took 6.93 ms. Allocated memory is still 1.3 GB. Free memory is still 965.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 17:11:47,260 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 890.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -155.3 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 99.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1560.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 990.1 MB in the end (delta: 117.5 MB). Peak memory consumption was 117.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4372.12 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 75.0 MB). Free memory was 990.1 MB in the beginning and 965.7 MB in the end (delta: 24.5 MB). Peak memory consumption was 99.4 MB. Max. memory is 11.5 GB. * Witness Printer took 6.93 ms. Allocated memory is still 1.3 GB. Free memory is still 965.7 MB. There was no memory consumed. Max. memory is 11.5 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 Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 775]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 775. Possible FailurePath: [L570] 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={3:0}] [L776] CALL entry_point() VAL [ldv_global_msg_list={3:0}] [L771] int condition = __VERIFIER_nondet_int(); [L772] CALL, EXPR alloc_unsafe_16(condition) VAL [\old(condition)=0, ldv_global_msg_list={3:0}] [L762] CALL, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(size)=4, ldv_global_msg_list={3:0}] [L527] COND TRUE __VERIFIER_nondet_int() [L528] return malloc(size); VAL [\old(size)=4, \result={1:0}, ldv_global_msg_list={3:0}, malloc(size)={1:0}, size=4] [L762] RET, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(condition)=0, condition=0, ldv_global_msg_list={3:0}, ldv_malloc(sizeof(struct A16))={1:0}] [L762] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L763] return p; VAL [\old(condition)=0, \result={1:0}, condition=0, ldv_global_msg_list={3:0}, p={1:0}] [L772] RET, EXPR alloc_unsafe_16(condition) VAL [alloc_unsafe_16(condition)={1:0}, condition=0, ldv_global_msg_list={3:0}] [L772] struct A16 *p = alloc_unsafe_16(condition); [L773] CALL free_16(p, condition) VAL [\old(condition)=0, ldv_global_msg_list={3:0}, p={1:0}] [L766] COND FALSE !(\read(condition)) VAL [\old(condition)=0, condition=0, ldv_global_msg_list={3:0}, p={1:0}, p={1:0}] [L773] RET free_16(p, condition) VAL [condition=0, ldv_global_msg_list={3:0}, p={1:0}] [L776] RET entry_point() VAL [ldv_global_msg_list={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 346 locations, 74 error locations. Result: UNSAFE, OverallTime: 4.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 124 SDtfs, 91 SDslu, 750 SDs, 0 SdLazy, 408 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 145 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=106occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 37 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 119 NumberOfCodeBlocks, 119 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 178 ConstructedInterpolants, 0 QuantifiedInterpolants, 11012 SizeOfPredicates, 13 NumberOfNonLiveVariables, 349 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: 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 Received shutdown request...