./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 30f4e4ab 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_test3-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 34250e9d8f469697cb8850c8aa9214fde887cb00 ............................................................................................................................ 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_test3-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 34250e9d8f469697cb8850c8aa9214fde887cb00 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 02:39:49,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:39:49,171 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:39:49,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:39:49,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:39:49,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:39:49,192 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:39:49,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:39:49,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:39:49,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:39:49,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:39:49,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:39:49,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:39:49,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:39:49,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:39:49,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:39:49,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:39:49,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:39:49,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:39:49,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:39:49,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:39:49,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:39:49,227 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:39:49,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:39:49,231 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:39:49,231 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:39:49,232 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:39:49,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:39:49,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:39:49,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:39:49,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:39:49,235 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:39:49,236 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:39:49,237 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:39:49,238 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:39:49,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:39:49,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:39:49,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:39:49,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:39:49,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:39:49,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:39:49,243 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 02:39:49,261 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:39:49,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:39:49,263 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:39:49,263 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:39:49,264 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:39:49,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:39:49,264 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 02:39:49,264 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:39:49,265 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:39:49,265 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 02:39:49,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:39:49,266 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 02:39:49,266 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 02:39:49,266 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 02:39:49,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:39:49,267 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 02:39:49,267 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 02:39:49,267 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:39:49,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:39:49,268 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:39:49,268 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:39:49,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:39:49,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:39:49,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:39:49,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:39:49,270 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 02:39:49,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 02:39:49,270 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34250e9d8f469697cb8850c8aa9214fde887cb00 [2019-11-28 02:39:49,579 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:39:49,595 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:39:49,599 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:39:49,603 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:39:49,604 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:39:49,605 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i [2019-11-28 02:39:49,671 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86b48b126/8eee3ee3ad0d4503a9a05f830cadc848/FLAGa68402bf7 [2019-11-28 02:39:50,213 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:39:50,215 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i [2019-11-28 02:39:50,233 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86b48b126/8eee3ee3ad0d4503a9a05f830cadc848/FLAGa68402bf7 [2019-11-28 02:39:50,455 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86b48b126/8eee3ee3ad0d4503a9a05f830cadc848 [2019-11-28 02:39:50,459 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:39:50,460 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 02:39:50,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:39:50,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:39:50,465 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:39:50,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:39:50" (1/1) ... [2019-11-28 02:39:50,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f1446e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:50, skipping insertion in model container [2019-11-28 02:39:50,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:39:50" (1/1) ... [2019-11-28 02:39:50,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:39:50,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:39:51,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:39:51,083 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) [2019-11-28 02:39:51,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2def55df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:51, skipping insertion in model container [2019-11-28 02:39:51,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:39:51,084 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-28 02:39:51,088 INFO L168 Benchmark]: Toolchain (without parser) took 626.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -191.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 02:39:51,089 INFO L168 Benchmark]: CDTParser took 0.58 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. [2019-11-28 02:39:51,090 INFO L168 Benchmark]: CACSL2BoogieTranslator took 623.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -191.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 02:39:51,092 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 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 623.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -191.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 02:39:52,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:39:52,935 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:39:52,948 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:39:52,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:39:52,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:39:52,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:39:52,963 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:39:52,966 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:39:52,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:39:52,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:39:52,971 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:39:52,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:39:52,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:39:52,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:39:52,977 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:39:52,979 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:39:52,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:39:52,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:39:52,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:39:52,987 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:39:52,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:39:52,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:39:52,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:39:52,992 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:39:52,993 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:39:52,993 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:39:52,994 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:39:52,994 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:39:52,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:39:52,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:39:52,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:39:52,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:39:52,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:39:53,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:39:53,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:39:53,001 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:39:53,002 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:39:53,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:39:53,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:39:53,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:39:53,005 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-28 02:39:53,031 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:39:53,035 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:39:53,036 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:39:53,038 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:39:53,038 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:39:53,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:39:53,040 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 02:39:53,041 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:39:53,041 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:39:53,042 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 02:39:53,042 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:39:53,042 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 02:39:53,044 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 02:39:53,044 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 02:39:53,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:39:53,045 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 02:39:53,045 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 02:39:53,045 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 02:39:53,046 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 02:39:53,046 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:39:53,047 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:39:53,047 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:39:53,047 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:39:53,048 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:39:53,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:39:53,048 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:39:53,049 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:39:53,049 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 02:39:53,050 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 02:39:53,050 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 02:39:53,051 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34250e9d8f469697cb8850c8aa9214fde887cb00 [2019-11-28 02:39:53,386 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:39:53,398 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:39:53,403 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:39:53,405 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:39:53,406 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:39:53,407 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i [2019-11-28 02:39:53,474 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dd082160/5fde208b556646f08acf6529e456da52/FLAGb7b4e4ae4 [2019-11-28 02:39:53,982 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:39:53,984 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i [2019-11-28 02:39:54,007 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dd082160/5fde208b556646f08acf6529e456da52/FLAGb7b4e4ae4 [2019-11-28 02:39:54,217 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8dd082160/5fde208b556646f08acf6529e456da52 [2019-11-28 02:39:54,220 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:39:54,222 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 02:39:54,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:39:54,225 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:39:54,229 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:39:54,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:39:54" (1/1) ... [2019-11-28 02:39:54,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a907983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:54, skipping insertion in model container [2019-11-28 02:39:54,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:39:54" (1/1) ... [2019-11-28 02:39:54,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:39:54,303 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:39:54,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:39:54,803 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-28 02:39:54,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:39:54,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:39:54,895 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 02:39:54,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:39:55,043 INFO L208 MainTranslator]: Completed translation [2019-11-28 02:39:55,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:55 WrapperNode [2019-11-28 02:39:55,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:39:55,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 02:39:55,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 02:39:55,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 02:39:55,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:55" (1/1) ... [2019-11-28 02:39:55,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:55" (1/1) ... [2019-11-28 02:39:55,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:55" (1/1) ... [2019-11-28 02:39:55,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:55" (1/1) ... [2019-11-28 02:39:55,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:55" (1/1) ... [2019-11-28 02:39:55,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:55" (1/1) ... [2019-11-28 02:39:55,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:55" (1/1) ... [2019-11-28 02:39:55,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 02:39:55,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 02:39:55,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 02:39:55,172 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 02:39:55,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:55" (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 [2019-11-28 02:39:55,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 02:39:55,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 02:39:55,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-28 02:39:55,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 02:39:55,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-28 02:39:55,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-28 02:39:55,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-28 02:39:55,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-28 02:39:55,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-28 02:39:55,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-28 02:39:55,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-28 02:39:55,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-28 02:39:55,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-28 02:39:55,245 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-28 02:39:55,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-28 02:39:55,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-28 02:39:55,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-28 02:39:55,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-28 02:39:55,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-28 02:39:55,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-28 02:39:55,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-28 02:39:55,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-28 02:39:55,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-28 02:39:55,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-28 02:39:55,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-28 02:39:55,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-28 02:39:55,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-28 02:39:55,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-28 02:39:55,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-28 02:39:55,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-28 02:39:55,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-28 02:39:55,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-28 02:39:55,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-28 02:39:55,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-28 02:39:55,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-28 02:39:55,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-28 02:39:55,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-28 02:39:55,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-28 02:39:55,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-28 02:39:55,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-28 02:39:55,251 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-28 02:39:55,251 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-28 02:39:55,252 INFO L138 BoogieDeclarations]: Found implementation of procedure h_safe [2019-11-28 02:39:55,252 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-28 02:39:55,252 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 02:39:55,252 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-28 02:39:55,253 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-28 02:39:55,253 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-28 02:39:55,253 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-28 02:39:55,253 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-28 02:39:55,253 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-28 02:39:55,254 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-28 02:39:55,254 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-28 02:39:55,254 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-28 02:39:55,254 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-28 02:39:55,255 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-28 02:39:55,255 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-28 02:39:55,255 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-28 02:39:55,255 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-28 02:39:55,255 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-28 02:39:55,256 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-28 02:39:55,256 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-28 02:39:55,256 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-28 02:39:55,256 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-28 02:39:55,256 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-28 02:39:55,257 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-28 02:39:55,257 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-28 02:39:55,257 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-28 02:39:55,257 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-28 02:39:55,257 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-28 02:39:55,258 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-28 02:39:55,258 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-28 02:39:55,258 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-28 02:39:55,258 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-28 02:39:55,259 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-28 02:39:55,259 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-28 02:39:55,259 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-28 02:39:55,259 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-28 02:39:55,259 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-28 02:39:55,260 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-28 02:39:55,260 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-28 02:39:55,260 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-28 02:39:55,260 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-28 02:39:55,260 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-28 02:39:55,261 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-28 02:39:55,261 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-28 02:39:55,261 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-28 02:39:55,261 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-28 02:39:55,261 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-28 02:39:55,262 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-28 02:39:55,262 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-28 02:39:55,262 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-28 02:39:55,262 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-28 02:39:55,262 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-28 02:39:55,263 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-28 02:39:55,263 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-28 02:39:55,263 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-28 02:39:55,263 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-28 02:39:55,263 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-28 02:39:55,264 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-28 02:39:55,264 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-28 02:39:55,264 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-28 02:39:55,264 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-28 02:39:55,264 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-28 02:39:55,265 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-28 02:39:55,265 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-28 02:39:55,265 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-28 02:39:55,265 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-28 02:39:55,265 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-28 02:39:55,266 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-28 02:39:55,266 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-28 02:39:55,266 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-28 02:39:55,266 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-28 02:39:55,266 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-28 02:39:55,267 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-28 02:39:55,267 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-28 02:39:55,267 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-28 02:39:55,267 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-28 02:39:55,267 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-28 02:39:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-28 02:39:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-28 02:39:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-28 02:39:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-28 02:39:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-28 02:39:55,269 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-28 02:39:55,269 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-28 02:39:55,269 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-28 02:39:55,269 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-28 02:39:55,269 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-28 02:39:55,270 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-28 02:39:55,270 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-28 02:39:55,270 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-28 02:39:55,270 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-28 02:39:55,271 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-28 02:39:55,271 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-28 02:39:55,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-28 02:39:55,271 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-28 02:39:55,271 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-28 02:39:55,272 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-28 02:39:55,272 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-28 02:39:55,272 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-28 02:39:55,272 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-28 02:39:55,272 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-28 02:39:55,273 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-28 02:39:55,273 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-28 02:39:55,273 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-28 02:39:55,273 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-28 02:39:55,274 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-28 02:39:55,274 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-28 02:39:55,274 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-28 02:39:55,274 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-28 02:39:55,274 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-28 02:39:55,275 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-28 02:39:55,275 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-28 02:39:55,275 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-28 02:39:55,275 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-28 02:39:55,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 02:39:55,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-28 02:39:55,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-28 02:39:55,276 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-28 02:39:55,276 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-28 02:39:55,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-28 02:39:55,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 02:39:55,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-28 02:39:55,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-28 02:39:55,277 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-28 02:39:55,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 02:39:55,278 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-28 02:39:55,278 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-28 02:39:55,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-28 02:39:55,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 02:39:55,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-28 02:39:55,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-28 02:39:55,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-28 02:39:55,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-28 02:39:55,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-28 02:39:55,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-28 02:39:55,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 02:39:55,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-28 02:39:55,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-28 02:39:55,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-28 02:39:55,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-28 02:39:55,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-28 02:39:55,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 02:39:55,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 02:39:55,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-28 02:39:55,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-28 02:39:55,282 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-28 02:39:55,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-28 02:39:55,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-28 02:39:55,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-28 02:39:55,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-28 02:39:55,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-28 02:39:55,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-28 02:39:55,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-28 02:39:55,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-28 02:39:55,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-28 02:39:55,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-28 02:39:55,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-28 02:39:55,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-28 02:39:55,285 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-28 02:39:55,286 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-28 02:39:55,286 INFO L130 BoogieDeclarations]: Found specification of procedure h_safe [2019-11-28 02:39:55,286 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-28 02:39:55,286 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 02:39:55,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 02:39:55,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 02:39:55,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-28 02:39:55,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 02:39:55,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 02:39:55,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-28 02:39:55,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-28 02:39:55,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-28 02:39:55,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-28 02:39:55,917 WARN L759 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 02:39:56,294 WARN L759 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 02:39:56,639 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 02:39:56,639 INFO L297 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-28 02:39:56,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:39:56 BoogieIcfgContainer [2019-11-28 02:39:56,641 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 02:39:56,642 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 02:39:56,643 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 02:39:56,646 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 02:39:56,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:39:54" (1/3) ... [2019-11-28 02:39:56,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@304d66b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:39:56, skipping insertion in model container [2019-11-28 02:39:56,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:39:55" (2/3) ... [2019-11-28 02:39:56,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@304d66b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:39:56, skipping insertion in model container [2019-11-28 02:39:56,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:39:56" (3/3) ... [2019-11-28 02:39:56,650 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test3-2.i [2019-11-28 02:39:56,661 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 02:39:56,670 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-11-28 02:39:56,684 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-11-28 02:39:56,707 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 02:39:56,708 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 02:39:56,708 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 02:39:56,708 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 02:39:56,708 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 02:39:56,709 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 02:39:56,709 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 02:39:56,709 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 02:39:56,728 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states. [2019-11-28 02:39:56,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 02:39:56,739 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:39:56,740 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:39:56,741 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, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:39:56,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:39:56,749 INFO L82 PathProgramCache]: Analyzing trace with hash -1115971593, now seen corresponding path program 1 times [2019-11-28 02:39:56,762 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:39:56,763 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1229716193] [2019-11-28 02:39:56,764 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 [2019-11-28 02:39:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:39:56,947 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 02:39:56,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:39:57,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:39:57,044 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:39:57,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:39:57,187 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1229716193] [2019-11-28 02:39:57,188 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:39:57,188 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2019-11-28 02:39:57,190 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493203854] [2019-11-28 02:39:57,197 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 02:39:57,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:39:57,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 02:39:57,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-28 02:39:57,224 INFO L87 Difference]: Start difference. First operand 100 states. Second operand 7 states. [2019-11-28 02:39:57,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:39:57,292 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2019-11-28 02:39:57,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 02:39:57,298 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2019-11-28 02:39:57,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:39:57,312 INFO L225 Difference]: With dead ends: 29 [2019-11-28 02:39:57,312 INFO L226 Difference]: Without dead ends: 26 [2019-11-28 02:39:57,314 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-28 02:39:57,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-28 02:39:57,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-11-28 02:39:57,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-28 02:39:57,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2019-11-28 02:39:57,367 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 18 [2019-11-28 02:39:57,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:39:57,367 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2019-11-28 02:39:57,368 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 02:39:57,368 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2019-11-28 02:39:57,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 02:39:57,369 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:39:57,369 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:39:57,585 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 02:39:57,586 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, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:39:57,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:39:57,587 INFO L82 PathProgramCache]: Analyzing trace with hash -235380623, now seen corresponding path program 1 times [2019-11-28 02:39:57,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:39:57,590 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [885819046] [2019-11-28 02:39:57,590 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 [2019-11-28 02:39:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:39:57,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-28 02:39:57,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:39:57,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:39:57,963 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:39:58,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:39:58,255 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [885819046] [2019-11-28 02:39:58,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:39:58,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 12 [2019-11-28 02:39:58,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020184086] [2019-11-28 02:39:58,258 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-28 02:39:58,259 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:39:58,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-28 02:39:58,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2019-11-28 02:39:58,260 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand 13 states. [2019-11-28 02:39:58,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:39:58,582 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2019-11-28 02:39:58,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-28 02:39:58,583 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 19 [2019-11-28 02:39:58,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:39:58,588 INFO L225 Difference]: With dead ends: 37 [2019-11-28 02:39:58,594 INFO L226 Difference]: Without dead ends: 37 [2019-11-28 02:39:58,595 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2019-11-28 02:39:58,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-11-28 02:39:58,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 32. [2019-11-28 02:39:58,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-11-28 02:39:58,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2019-11-28 02:39:58,611 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 19 [2019-11-28 02:39:58,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:39:58,611 INFO L462 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2019-11-28 02:39:58,611 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-28 02:39:58,612 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2019-11-28 02:39:58,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-28 02:39:58,613 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:39:58,613 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] [2019-11-28 02:39:58,813 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-28 02:39:58,814 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, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:39:58,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:39:58,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1293135673, now seen corresponding path program 1 times [2019-11-28 02:39:58,816 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:39:58,816 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [483722990] [2019-11-28 02:39:58,817 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 [2019-11-28 02:39:58,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:39:58,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 02:39:58,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:39:59,010 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 [2019-11-28 02:39:59,010 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 02:39:59,015 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 02:39:59,016 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 02:39:59,016 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-28 02:39:59,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:39:59,067 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:39:59,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:39:59,177 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [483722990] [2019-11-28 02:39:59,177 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:39:59,177 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2019-11-28 02:39:59,178 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435063558] [2019-11-28 02:39:59,178 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 02:39:59,178 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:39:59,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 02:39:59,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-28 02:39:59,179 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 7 states. [2019-11-28 02:39:59,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:39:59,255 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2019-11-28 02:39:59,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 02:39:59,257 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2019-11-28 02:39:59,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:39:59,258 INFO L225 Difference]: With dead ends: 35 [2019-11-28 02:39:59,258 INFO L226 Difference]: Without dead ends: 35 [2019-11-28 02:39:59,259 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-28 02:39:59,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-11-28 02:39:59,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-11-28 02:39:59,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-11-28 02:39:59,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2019-11-28 02:39:59,268 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 20 [2019-11-28 02:39:59,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:39:59,268 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2019-11-28 02:39:59,269 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 02:39:59,269 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2019-11-28 02:39:59,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-28 02:39:59,270 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:39:59,270 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] [2019-11-28 02:39:59,488 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-28 02:39:59,489 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, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:39:59,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:39:59,490 INFO L82 PathProgramCache]: Analyzing trace with hash -503815686, now seen corresponding path program 1 times [2019-11-28 02:39:59,490 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:39:59,490 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [996006944] [2019-11-28 02:39:59,490 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 [2019-11-28 02:39:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:39:59,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-28 02:39:59,627 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:39:59,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:39:59,707 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:39:59,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:39:59,832 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [996006944] [2019-11-28 02:39:59,832 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:39:59,832 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2019-11-28 02:39:59,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830807668] [2019-11-28 02:39:59,833 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 02:39:59,833 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:39:59,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 02:39:59,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-28 02:39:59,834 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand 7 states. [2019-11-28 02:39:59,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:39:59,875 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2019-11-28 02:39:59,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 02:39:59,876 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2019-11-28 02:39:59,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:39:59,877 INFO L225 Difference]: With dead ends: 33 [2019-11-28 02:39:59,877 INFO L226 Difference]: Without dead ends: 33 [2019-11-28 02:39:59,879 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-28 02:39:59,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-11-28 02:39:59,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2019-11-28 02:39:59,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-11-28 02:39:59,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2019-11-28 02:39:59,885 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 20 [2019-11-28 02:39:59,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:39:59,885 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2019-11-28 02:39:59,885 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 02:39:59,886 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2019-11-28 02:39:59,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-28 02:39:59,887 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:39:59,888 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] [2019-11-28 02:40:00,088 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-28 02:40:00,089 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, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:40:00,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:40:00,089 INFO L82 PathProgramCache]: Analyzing trace with hash -503568140, now seen corresponding path program 1 times [2019-11-28 02:40:00,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:40:00,090 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [89865090] [2019-11-28 02:40:00,090 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 [2019-11-28 02:40:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:40:00,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 02:40:00,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:40:00,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:40:00,244 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:40:00,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:40:00,339 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [89865090] [2019-11-28 02:40:00,339 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:40:00,339 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-28 02:40:00,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555998021] [2019-11-28 02:40:00,340 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 02:40:00,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 02:40:00,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 02:40:00,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 02:40:00,340 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand 3 states. [2019-11-28 02:40:00,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:40:00,365 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2019-11-28 02:40:00,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 02:40:00,366 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-28 02:40:00,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:40:00,367 INFO L225 Difference]: With dead ends: 34 [2019-11-28 02:40:00,367 INFO L226 Difference]: Without dead ends: 24 [2019-11-28 02:40:00,367 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 02:40:00,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-11-28 02:40:00,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-11-28 02:40:00,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-28 02:40:00,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 23 transitions. [2019-11-28 02:40:00,371 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 23 transitions. Word has length 20 [2019-11-28 02:40:00,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:40:00,372 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 23 transitions. [2019-11-28 02:40:00,372 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 02:40:00,372 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 23 transitions. [2019-11-28 02:40:00,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-28 02:40:00,373 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:40:00,373 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] [2019-11-28 02:40:00,582 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-28 02:40:00,583 INFO L410 AbstractCegarLoop]: === Iteration 6 === [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, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 02:40:00,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:40:00,583 INFO L82 PathProgramCache]: Analyzing trace with hash -2051414223, now seen corresponding path program 1 times [2019-11-28 02:40:00,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 02:40:00,584 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [872904942] [2019-11-28 02:40:00,584 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-11-28 02:40:00,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:40:00,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-28 02:40:00,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:40:02,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:40:02,861 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 02:40:09,512 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-28 02:40:09,513 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:283) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:264) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:565) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:478) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 02:40:09,520 INFO L168 Benchmark]: Toolchain (without parser) took 15298.09 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 221.2 MB). Free memory was 956.3 MB in the beginning and 919.0 MB in the end (delta: 37.4 MB). Peak memory consumption was 258.6 MB. Max. memory is 11.5 GB. [2019-11-28 02:40:09,521 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:40:09,522 INFO L168 Benchmark]: CACSL2BoogieTranslator took 821.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -135.4 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-28 02:40:09,522 INFO L168 Benchmark]: Boogie Preprocessor took 124.94 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:40:09,523 INFO L168 Benchmark]: RCFGBuilder took 1469.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 980.9 MB in the end (delta: 110.9 MB). Peak memory consumption was 110.9 MB. Max. memory is 11.5 GB. [2019-11-28 02:40:09,524 INFO L168 Benchmark]: TraceAbstraction took 12876.31 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 79.7 MB). Free memory was 980.9 MB in the beginning and 919.0 MB in the end (delta: 61.9 MB). Peak memory consumption was 141.6 MB. Max. memory is 11.5 GB. [2019-11-28 02:40:09,527 INFO L335 ainManager$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 821.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -135.4 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 124.94 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 1469.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 980.9 MB in the end (delta: 110.9 MB). Peak memory consumption was 110.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12876.31 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 79.7 MB). Free memory was 980.9 MB in the beginning and 919.0 MB in the end (delta: 61.9 MB). Peak memory consumption was 141.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:283) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...