./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c 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_test1-3.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 05263e1a00e36e758633b8fa4d2ee72b914ab3e1 ............................................................................................................................. 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_test1-3.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 05263e1a00e36e758633b8fa4d2ee72b914ab3e1 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 14:26:14,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 14:26:14,183 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 14:26:14,204 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 14:26:14,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 14:26:14,207 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 14:26:14,209 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 14:26:14,222 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 14:26:14,225 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 14:26:14,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 14:26:14,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 14:26:14,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 14:26:14,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 14:26:14,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 14:26:14,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 14:26:14,241 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 14:26:14,242 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 14:26:14,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 14:26:14,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 14:26:14,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 14:26:14,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 14:26:14,261 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 14:26:14,263 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 14:26:14,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 14:26:14,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 14:26:14,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 14:26:14,268 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 14:26:14,270 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 14:26:14,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 14:26:14,272 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 14:26:14,272 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 14:26:14,273 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 14:26:14,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 14:26:14,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 14:26:14,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 14:26:14,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 14:26:14,279 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 14:26:14,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 14:26:14,280 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 14:26:14,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 14:26:14,284 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 14:26:14,285 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 14:26:14,307 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 14:26:14,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 14:26:14,311 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 14:26:14,311 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 14:26:14,312 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 14:26:14,312 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 14:26:14,312 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 14:26:14,313 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 14:26:14,313 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 14:26:14,313 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 14:26:14,315 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 14:26:14,315 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 14:26:14,315 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 14:26:14,316 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 14:26:14,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 14:26:14,317 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 14:26:14,317 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 14:26:14,317 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 14:26:14,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 14:26:14,318 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 14:26:14,318 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 14:26:14,318 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 14:26:14,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 14:26:14,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 14:26:14,319 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 14:26:14,320 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 14:26:14,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 14:26:14,320 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 14:26:14,321 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 -> 05263e1a00e36e758633b8fa4d2ee72b914ab3e1 [2019-11-28 14:26:14,615 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 14:26:14,631 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 14:26:14,636 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 14:26:14,638 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 14:26:14,638 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 14:26:14,640 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2019-11-28 14:26:14,716 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75c4d166d/76d6a49192ad4ad0a7d01e3deed9cd3f/FLAG0998be234 [2019-11-28 14:26:15,283 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 14:26:15,284 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2019-11-28 14:26:15,301 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75c4d166d/76d6a49192ad4ad0a7d01e3deed9cd3f/FLAG0998be234 [2019-11-28 14:26:15,569 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75c4d166d/76d6a49192ad4ad0a7d01e3deed9cd3f [2019-11-28 14:26:15,573 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 14:26:15,575 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 14:26:15,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 14:26:15,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 14:26:15,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 14:26:15,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:26:15" (1/1) ... [2019-11-28 14:26:15,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e76458f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:15, skipping insertion in model container [2019-11-28 14:26:15,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:26:15" (1/1) ... [2019-11-28 14:26:15,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 14:26:15,667 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 14:26:16,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 14:26:16,222 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 14:26:16,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@458a51cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:16, skipping insertion in model container [2019-11-28 14:26:16,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 14:26:16,224 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-28 14:26:16,227 INFO L168 Benchmark]: Toolchain (without parser) took 651.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 959.0 MB in the beginning and 1.1 GB in the end (delta: -172.8 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2019-11-28 14:26:16,228 INFO L168 Benchmark]: CDTParser took 0.44 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 14:26:16,230 INFO L168 Benchmark]: CACSL2BoogieTranslator took 647.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -178.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 14:26:16,235 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 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 647.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -178.2 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 0.1.25-f470102 [2019-11-28 14:26:17,918 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 14:26:17,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 14:26:17,933 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 14:26:17,934 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 14:26:17,935 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 14:26:17,937 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 14:26:17,939 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 14:26:17,941 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 14:26:17,942 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 14:26:17,943 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 14:26:17,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 14:26:17,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 14:26:17,946 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 14:26:17,948 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 14:26:17,949 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 14:26:17,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 14:26:17,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 14:26:17,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 14:26:17,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 14:26:17,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 14:26:17,959 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 14:26:17,960 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 14:26:17,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 14:26:17,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 14:26:17,964 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 14:26:17,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 14:26:17,966 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 14:26:17,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 14:26:17,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 14:26:17,968 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 14:26:17,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 14:26:17,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 14:26:17,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 14:26:17,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 14:26:17,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 14:26:17,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 14:26:17,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 14:26:17,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 14:26:17,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 14:26:17,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 14:26:17,976 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-28 14:26:17,994 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 14:26:17,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 14:26:17,998 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 14:26:17,998 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 14:26:17,998 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 14:26:17,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 14:26:17,999 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 14:26:17,999 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 14:26:17,999 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 14:26:18,000 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 14:26:18,001 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 14:26:18,001 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 14:26:18,002 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 14:26:18,002 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 14:26:18,002 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 14:26:18,003 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 14:26:18,003 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 14:26:18,003 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 14:26:18,004 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 14:26:18,004 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 14:26:18,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 14:26:18,005 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 14:26:18,005 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 14:26:18,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 14:26:18,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 14:26:18,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 14:26:18,006 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 14:26:18,006 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 14:26:18,007 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 14:26:18,007 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 14:26:18,007 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 14:26:18,008 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 -> 05263e1a00e36e758633b8fa4d2ee72b914ab3e1 [2019-11-28 14:26:18,309 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 14:26:18,323 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 14:26:18,328 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 14:26:18,330 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 14:26:18,331 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 14:26:18,332 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2019-11-28 14:26:18,401 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9a1bd37a/de686d510d72415985210b366555681a/FLAG7e3f3a810 [2019-11-28 14:26:18,911 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 14:26:18,912 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2019-11-28 14:26:18,928 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9a1bd37a/de686d510d72415985210b366555681a/FLAG7e3f3a810 [2019-11-28 14:26:19,250 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9a1bd37a/de686d510d72415985210b366555681a [2019-11-28 14:26:19,255 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 14:26:19,256 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 14:26:19,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 14:26:19,258 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 14:26:19,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 14:26:19,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:26:19" (1/1) ... [2019-11-28 14:26:19,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1250f41c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:19, skipping insertion in model container [2019-11-28 14:26:19,270 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:26:19" (1/1) ... [2019-11-28 14:26:19,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 14:26:19,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 14:26:19,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 14:26:19,918 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-28 14:26:19,938 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 14:26:19,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 14:26:20,013 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 14:26:20,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 14:26:20,155 INFO L208 MainTranslator]: Completed translation [2019-11-28 14:26:20,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:20 WrapperNode [2019-11-28 14:26:20,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 14:26:20,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 14:26:20,159 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 14:26:20,159 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 14:26:20,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:20" (1/1) ... [2019-11-28 14:26:20,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:20" (1/1) ... [2019-11-28 14:26:20,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:20" (1/1) ... [2019-11-28 14:26:20,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:20" (1/1) ... [2019-11-28 14:26:20,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:20" (1/1) ... [2019-11-28 14:26:20,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:20" (1/1) ... [2019-11-28 14:26:20,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:20" (1/1) ... [2019-11-28 14:26:20,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 14:26:20,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 14:26:20,269 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 14:26:20,269 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 14:26:20,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:20" (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 14:26:20,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 14:26:20,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 14:26:20,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-28 14:26:20,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 14:26:20,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-28 14:26:20,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-28 14:26:20,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-28 14:26:20,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-28 14:26:20,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-28 14:26:20,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-28 14:26:20,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-28 14:26:20,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-28 14:26:20,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-28 14:26:20,380 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-28 14:26:20,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-28 14:26:20,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-28 14:26:20,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-28 14:26:20,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-28 14:26:20,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-28 14:26:20,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-28 14:26:20,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-28 14:26:20,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-28 14:26:20,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-28 14:26:20,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-28 14:26:20,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-28 14:26:20,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-28 14:26:20,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-28 14:26:20,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-28 14:26:20,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-28 14:26:20,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-28 14:26:20,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-28 14:26:20,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-28 14:26:20,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-28 14:26:20,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-28 14:26:20,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-28 14:26:20,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-28 14:26:20,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-28 14:26:20,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-28 14:26:20,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-28 14:26:20,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-28 14:26:20,390 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-28 14:26:20,390 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-28 14:26:20,390 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-28 14:26:20,390 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 14:26:20,391 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-28 14:26:20,391 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-28 14:26:20,391 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-28 14:26:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-28 14:26:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-28 14:26:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-28 14:26:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-28 14:26:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-28 14:26:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-28 14:26:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-28 14:26:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-28 14:26:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-28 14:26:20,394 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-28 14:26:20,394 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-28 14:26:20,394 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-28 14:26:20,394 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-28 14:26:20,394 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-28 14:26:20,395 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-28 14:26:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-28 14:26:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-28 14:26:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-28 14:26:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-28 14:26:20,397 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-28 14:26:20,397 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-28 14:26:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-28 14:26:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-28 14:26:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-28 14:26:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-28 14:26:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-28 14:26:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-28 14:26:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-28 14:26:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-28 14:26:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-28 14:26:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-28 14:26:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-28 14:26:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-28 14:26:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-28 14:26:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-28 14:26:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-28 14:26:20,403 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-28 14:26:20,403 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-28 14:26:20,403 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-28 14:26:20,403 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-28 14:26:20,403 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-28 14:26:20,404 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-28 14:26:20,404 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-28 14:26:20,404 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-28 14:26:20,404 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-28 14:26:20,404 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-28 14:26:20,405 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-28 14:26:20,405 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-28 14:26:20,405 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-28 14:26:20,405 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-28 14:26:20,405 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-28 14:26:20,405 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-28 14:26:20,406 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-28 14:26:20,406 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-28 14:26:20,406 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-28 14:26:20,406 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-28 14:26:20,406 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-28 14:26:20,407 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-28 14:26:20,407 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-28 14:26:20,407 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-28 14:26:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-28 14:26:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-28 14:26:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-28 14:26:20,410 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-28 14:26:20,410 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-28 14:26:20,411 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-28 14:26:20,411 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-28 14:26:20,411 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-28 14:26:20,411 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-28 14:26:20,412 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-28 14:26:20,412 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-28 14:26:20,413 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-28 14:26:20,413 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-28 14:26:20,413 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-28 14:26:20,413 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-28 14:26:20,414 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-28 14:26:20,414 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-28 14:26:20,415 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-28 14:26:20,415 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-28 14:26:20,419 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-28 14:26:20,419 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-28 14:26:20,419 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-28 14:26:20,419 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-28 14:26:20,420 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-28 14:26:20,421 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-28 14:26:20,421 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-28 14:26:20,421 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-28 14:26:20,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-28 14:26:20,422 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-28 14:26:20,422 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-28 14:26:20,422 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-28 14:26:20,432 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-28 14:26:20,432 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-28 14:26:20,433 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-28 14:26:20,433 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-28 14:26:20,433 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-28 14:26:20,433 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-28 14:26:20,433 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-28 14:26:20,434 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-28 14:26:20,434 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-28 14:26:20,434 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-28 14:26:20,434 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-28 14:26:20,434 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-28 14:26:20,435 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-28 14:26:20,435 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-28 14:26:20,435 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-28 14:26:20,435 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-28 14:26:20,436 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-28 14:26:20,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 14:26:20,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-28 14:26:20,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-28 14:26:20,436 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-28 14:26:20,436 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-28 14:26:20,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-28 14:26:20,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 14:26:20,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-28 14:26:20,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-28 14:26:20,437 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-28 14:26:20,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 14:26:20,438 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-28 14:26:20,438 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-28 14:26:20,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-28 14:26:20,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 14:26:20,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-28 14:26:20,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-28 14:26:20,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-28 14:26:20,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-28 14:26:20,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-28 14:26:20,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-28 14:26:20,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 14:26:20,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-28 14:26:20,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-28 14:26:20,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-28 14:26:20,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-28 14:26:20,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-28 14:26:20,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 14:26:20,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 14:26:20,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-28 14:26:20,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-28 14:26:20,442 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-28 14:26:20,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-28 14:26:20,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-28 14:26:20,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-28 14:26:20,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-28 14:26:20,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-28 14:26:20,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-28 14:26:20,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-28 14:26:20,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-28 14:26:20,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-28 14:26:20,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-28 14:26:20,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-28 14:26:20,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-28 14:26:20,445 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-28 14:26:20,445 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-28 14:26:20,445 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-28 14:26:20,445 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 14:26:20,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 14:26:20,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 14:26:20,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-28 14:26:20,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 14:26:20,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 14:26:20,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-28 14:26:20,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-28 14:26:20,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-28 14:26:20,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-28 14:26:21,111 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 14:26:21,518 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 14:26:21,870 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 14:26:21,870 INFO L287 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-28 14:26:21,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:26:21 BoogieIcfgContainer [2019-11-28 14:26:21,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 14:26:21,873 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 14:26:21,873 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 14:26:21,876 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 14:26:21,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:26:19" (1/3) ... [2019-11-28 14:26:21,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c103774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:26:21, skipping insertion in model container [2019-11-28 14:26:21,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:26:20" (2/3) ... [2019-11-28 14:26:21,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c103774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:26:21, skipping insertion in model container [2019-11-28 14:26:21,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:26:21" (3/3) ... [2019-11-28 14:26:21,881 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test1-3.i [2019-11-28 14:26:21,890 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 14:26:21,898 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-11-28 14:26:21,907 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-11-28 14:26:21,929 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 14:26:21,929 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 14:26:21,929 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 14:26:21,929 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 14:26:21,929 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 14:26:21,930 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 14:26:21,930 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 14:26:21,930 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 14:26:21,946 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2019-11-28 14:26:21,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-28 14:26:21,955 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 14:26:21,956 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 14:26:21,957 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 14:26:21,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 14:26:21,963 INFO L82 PathProgramCache]: Analyzing trace with hash -1839111754, now seen corresponding path program 1 times [2019-11-28 14:26:21,976 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 14:26:21,977 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2003474189] [2019-11-28 14:26:21,977 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 14:26:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 14:26:22,150 INFO L264 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 14:26:22,156 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 14:26:22,215 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 14:26:22,216 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 14:26:22,280 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 14:26:22,283 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2003474189] [2019-11-28 14:26:22,284 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 14:26:22,284 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-28 14:26:22,285 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505157055] [2019-11-28 14:26:22,291 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 14:26:22,291 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 14:26:22,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 14:26:22,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 14:26:22,312 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 5 states. [2019-11-28 14:26:22,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 14:26:22,353 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2019-11-28 14:26:22,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 14:26:22,356 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-11-28 14:26:22,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 14:26:22,369 INFO L225 Difference]: With dead ends: 24 [2019-11-28 14:26:22,370 INFO L226 Difference]: Without dead ends: 21 [2019-11-28 14:26:22,372 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 14:26:22,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-28 14:26:22,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-28 14:26:22,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-28 14:26:22,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2019-11-28 14:26:22,418 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 13 [2019-11-28 14:26:22,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 14:26:22,419 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2019-11-28 14:26:22,420 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 14:26:22,420 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2019-11-28 14:26:22,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-28 14:26:22,421 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 14:26:22,421 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 14:26:22,642 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 14:26:22,644 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 14:26:22,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 14:26:22,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1177889137, now seen corresponding path program 1 times [2019-11-28 14:26:22,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 14:26:22,646 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1575464777] [2019-11-28 14:26:22,647 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 14:26:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 14:26:22,795 INFO L264 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 14:26:22,797 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 14:26:22,881 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 14:26:22,882 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 14:26:22,998 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 14:26:22,999 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1575464777] [2019-11-28 14:26:22,999 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 14:26:22,999 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2019-11-28 14:26:22,999 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5950503] [2019-11-28 14:26:23,001 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-28 14:26:23,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 14:26:23,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-28 14:26:23,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-11-28 14:26:23,002 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 9 states. [2019-11-28 14:26:23,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 14:26:23,180 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2019-11-28 14:26:23,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 14:26:23,181 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2019-11-28 14:26:23,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 14:26:23,186 INFO L225 Difference]: With dead ends: 28 [2019-11-28 14:26:23,187 INFO L226 Difference]: Without dead ends: 28 [2019-11-28 14:26:23,188 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-11-28 14:26:23,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-11-28 14:26:23,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 20. [2019-11-28 14:26:23,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-28 14:26:23,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2019-11-28 14:26:23,205 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 14 [2019-11-28 14:26:23,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 14:26:23,206 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2019-11-28 14:26:23,206 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-28 14:26:23,206 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2019-11-28 14:26:23,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-28 14:26:23,207 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 14:26:23,209 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 14:26:23,431 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-28 14:26:23,432 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 14:26:23,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 14:26:23,433 INFO L82 PathProgramCache]: Analyzing trace with hash 2140142808, now seen corresponding path program 1 times [2019-11-28 14:26:23,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 14:26:23,434 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [729512497] [2019-11-28 14:26:23,435 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 14:26:23,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 14:26:23,590 INFO L264 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 14:26:23,592 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 14:26:23,631 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 14:26:23,632 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 14:26:23,636 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 14:26:23,636 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 14:26:23,637 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-28 14:26:23,662 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 14:26:23,662 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 14:26:23,715 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 14:26:23,716 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [729512497] [2019-11-28 14:26:23,716 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 14:26:23,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-28 14:26:23,717 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29959976] [2019-11-28 14:26:23,717 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 14:26:23,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 14:26:23,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 14:26:23,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 14:26:23,718 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand 5 states. [2019-11-28 14:26:23,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 14:26:23,766 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2019-11-28 14:26:23,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 14:26:23,767 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-11-28 14:26:23,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 14:26:23,768 INFO L225 Difference]: With dead ends: 26 [2019-11-28 14:26:23,768 INFO L226 Difference]: Without dead ends: 26 [2019-11-28 14:26:23,768 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 14:26:23,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-28 14:26:23,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-11-28 14:26:23,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-28 14:26:23,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2019-11-28 14:26:23,777 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 15 [2019-11-28 14:26:23,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 14:26:23,777 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2019-11-28 14:26:23,777 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 14:26:23,777 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2019-11-28 14:26:23,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-28 14:26:23,778 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 14:26:23,778 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 14:26:23,979 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-28 14:26:23,979 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 14:26:23,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 14:26:23,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1267320807, now seen corresponding path program 1 times [2019-11-28 14:26:23,981 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 14:26:23,981 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [124058525] [2019-11-28 14:26:23,981 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 14:26:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 14:26:24,102 INFO L264 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 14:26:24,104 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 14:26:24,125 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 14:26:24,125 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 14:26:24,151 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 14:26:24,151 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [124058525] [2019-11-28 14:26:24,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 14:26:24,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-28 14:26:24,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578602952] [2019-11-28 14:26:24,153 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 14:26:24,153 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 14:26:24,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 14:26:24,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 14:26:24,154 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 5 states. [2019-11-28 14:26:24,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 14:26:24,176 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2019-11-28 14:26:24,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 14:26:24,177 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-11-28 14:26:24,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 14:26:24,178 INFO L225 Difference]: With dead ends: 27 [2019-11-28 14:26:24,178 INFO L226 Difference]: Without dead ends: 27 [2019-11-28 14:26:24,178 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 14:26:24,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-11-28 14:26:24,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 19. [2019-11-28 14:26:24,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-28 14:26:24,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2019-11-28 14:26:24,182 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 15 [2019-11-28 14:26:24,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 14:26:24,183 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2019-11-28 14:26:24,183 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 14:26:24,183 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2019-11-28 14:26:24,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 14:26:24,183 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 14:26:24,184 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 14:26:24,384 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-28 14:26:24,386 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 14:26:24,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 14:26:24,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1794725483, now seen corresponding path program 1 times [2019-11-28 14:26:24,387 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 14:26:24,387 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [402802895] [2019-11-28 14:26:24,388 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 14:26:24,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 14:26:24,518 INFO L264 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-28 14:26:24,522 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 14:26:26,637 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 14:26:26,637 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 14:26:35,158 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ldv_malloc_#t~malloc12.base_20| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_3| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (= (select |c_old(#valid)| v_entry_point_~p~0.base_12) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_3| (store |c_old(#valid)| v_entry_point_~p~0.base_12 (_ bv0 1)))))) (not (= (select |c_#valid| |v_ldv_malloc_#t~malloc12.base_20|) (_ bv0 1))) (= (store |c_#valid| |v_ldv_malloc_#t~malloc12.base_20| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_3|))) is different from false [2019-11-28 14:26:35,177 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-28 14:26:35,185 INFO L430 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_3|], 5=[|v_old(#valid)_BEFORE_CALL_4|]} [2019-11-28 14:26:35,191 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_4| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_3| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#t~malloc12.base_20| (_ BitVec 32))) (and (forall ((v_prenex_2 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_4| v_prenex_2) (_ bv0 1))) (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_4| v_prenex_2 (_ bv0 1))))) (= (_ bv0 1) (select |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_20|)) (not (= v_prenex_1 (store |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_20| (_ bv0 1)))))) (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12) (_ bv0 1)) (not (= (store |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_3|)))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_3|))) is different from false [2019-11-28 14:26:35,200 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_4| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_3| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#t~malloc12.base_20| (_ BitVec 32))) (and (forall ((v_prenex_2 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_4| v_prenex_2) (_ bv0 1))) (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_4| v_prenex_2 (_ bv0 1))))) (= (_ bv0 1) (select |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_20|)) (not (= v_prenex_1 (store |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_20| (_ bv0 1)))))) (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12) (_ bv0 1)) (not (= (store |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_3|)))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_3|))) is different from true [2019-11-28 14:26:35,205 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-28 14:26:35,210 INFO L430 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_3|], 5=[|v_old(#valid)_BEFORE_CALL_4|]} [2019-11-28 14:26:35,218 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-28 14:26:35,227 INFO L430 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_3|], 5=[|v_old(#valid)_BEFORE_CALL_4|]} [2019-11-28 14:26:35,234 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ldv_malloc_#res.base_26| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_4| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_3| (Array (_ BitVec 32) (_ BitVec 1)))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ldv_malloc_#res.base_26|))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#t~malloc12.base_20| (_ BitVec 32))) (and (forall ((v_prenex_2 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_4| v_prenex_2) (_ bv0 1))) (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_4| v_prenex_2 (_ bv0 1))))) (= (_ bv0 1) (select |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_20|)) (not (= v_prenex_1 (store |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_20| (_ bv0 1)))))) (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12) (_ bv0 1)) (not (= (store |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_3|)))) (= (store |c_#valid| |v_ldv_malloc_#res.base_26| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_3|))) is different from false [2019-11-28 14:26:35,240 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ldv_malloc_#res.base_26| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_4| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_3| (Array (_ BitVec 32) (_ BitVec 1)))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ldv_malloc_#res.base_26|))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#t~malloc12.base_20| (_ BitVec 32))) (and (forall ((v_prenex_2 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_4| v_prenex_2) (_ bv0 1))) (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_4| v_prenex_2 (_ bv0 1))))) (= (_ bv0 1) (select |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_20|)) (not (= v_prenex_1 (store |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_20| (_ bv0 1)))))) (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12) (_ bv0 1)) (not (= (store |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_3|)))) (= (store |c_#valid| |v_ldv_malloc_#res.base_26| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_3|))) is different from true [2019-11-28 14:26:35,245 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-28 14:26:35,261 INFO L430 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_3|], 5=[|v_old(#valid)_BEFORE_CALL_4|]} [2019-11-28 14:26:35,271 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 14:26:35,272 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [402802895] [2019-11-28 14:26:35,272 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 14:26:35,272 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 9] imperfect sequences [] total 13 [2019-11-28 14:26:35,273 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745046959] [2019-11-28 14:26:35,273 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-28 14:26:35,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 14:26:35,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-28 14:26:35,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=65, Unknown=26, NotChecked=60, Total=182 [2019-11-28 14:26:35,275 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 14 states. [2019-11-28 14:26:47,864 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_4| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_3| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#t~malloc12.base_20| (_ BitVec 32))) (and (forall ((v_prenex_2 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_4| v_prenex_2) (_ bv0 1))) (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_4| v_prenex_2 (_ bv0 1))))) (= (_ bv0 1) (select |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_20|)) (not (= v_prenex_1 (store |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_20| (_ bv0 1)))))) (exists ((v_entry_point_~p~0.base_12 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12) (_ bv0 1)) (not (= (store |v_old(#valid)_BEFORE_CALL_4| v_entry_point_~p~0.base_12 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_3|)))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_3|))) (= (select |c_old(#valid)| |c_ldv_malloc_#res.base|) (_ bv0 1)) (= |c_#valid| (store |c_old(#valid)| |c_ldv_malloc_#res.base| (_ bv1 1)))) is different from false [2019-11-28 14:27:01,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 14:27:01,561 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2019-11-28 14:27:01,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 14:27:01,562 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2019-11-28 14:27:01,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 14:27:01,563 INFO L225 Difference]: With dead ends: 28 [2019-11-28 14:27:01,563 INFO L226 Difference]: Without dead ends: 19 [2019-11-28 14:27:01,564 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=44, Invalid=86, Unknown=42, NotChecked=100, Total=272 [2019-11-28 14:27:01,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-11-28 14:27:01,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-11-28 14:27:01,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-28 14:27:01,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2019-11-28 14:27:01,569 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 18 [2019-11-28 14:27:01,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 14:27:01,570 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2019-11-28 14:27:01,570 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-28 14:27:01,570 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2019-11-28 14:27:01,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 14:27:01,570 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 14:27:01,570 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 14:27:01,771 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-28 14:27:01,774 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 14:27:01,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 14:27:01,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1991238988, now seen corresponding path program 1 times [2019-11-28 14:27:01,775 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 14:27:01,775 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1115295996] [2019-11-28 14:27:01,776 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 14:27:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 14:27:01,883 INFO L264 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-28 14:27:01,885 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 14:27:01,894 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2019-11-28 14:27:01,894 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 14:27:01,911 INFO L614 ElimStorePlain]: treesize reduction 4, result has 73.3 percent of original size [2019-11-28 14:27:01,912 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-28 14:27:01,912 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:11 [2019-11-28 14:27:02,010 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 14:27:02,010 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 14:27:02,155 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 20 treesize of output 9 [2019-11-28 14:27:02,155 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 14:27:02,157 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 14:27:02,158 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 14:27:02,158 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:9 [2019-11-28 14:27:02,214 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 14:27:02,214 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1115295996] [2019-11-28 14:27:02,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 14:27:02,214 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 9] imperfect sequences [] total 14 [2019-11-28 14:27:02,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324356560] [2019-11-28 14:27:02,215 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-28 14:27:02,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 14:27:02,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-28 14:27:02,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2019-11-28 14:27:02,216 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 15 states. [2019-11-28 14:27:02,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 14:27:02,398 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2019-11-28 14:27:02,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 14:27:02,399 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 18 [2019-11-28 14:27:02,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 14:27:02,399 INFO L225 Difference]: With dead ends: 18 [2019-11-28 14:27:02,399 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 14:27:02,400 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2019-11-28 14:27:02,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 14:27:02,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 14:27:02,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 14:27:02,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 14:27:02,401 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2019-11-28 14:27:02,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 14:27:02,401 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 14:27:02,401 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-28 14:27:02,401 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 14:27:02,401 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 14:27:02,602 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-28 14:27:02,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:27:02 BoogieIcfgContainer [2019-11-28 14:27:02,609 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 14:27:02,610 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 14:27:02,610 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 14:27:02,610 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 14:27:02,611 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:26:21" (3/4) ... [2019-11-28 14:27:02,615 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 14:27:02,624 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_submit_msg [2019-11-28 14:27:02,624 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 14:27:02,624 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_create [2019-11-28 14:27:02,624 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_del [2019-11-28 14:27:02,625 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_positive [2019-11-28 14:27:02,625 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_del [2019-11-28 14:27:02,625 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2019-11-28 14:27:02,625 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2019-11-28 14:27:02,625 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2019-11-28 14:27:02,626 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-11-28 14:27:02,626 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_del [2019-11-28 14:27:02,626 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_get [2019-11-28 14:27:02,626 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2019-11-28 14:27:02,626 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2019-11-28 14:27:02,626 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init [2019-11-28 14:27:02,626 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2019-11-28 14:27:02,626 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_sub_return [2019-11-28 14:27:02,626 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add_tail [2019-11-28 14:27:02,627 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2019-11-28 14:27:02,627 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_nonpositive [2019-11-28 14:27:02,627 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2019-11-28 14:27:02,627 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure entry_point [2019-11-28 14:27:02,627 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_alloc [2019-11-28 14:27:02,627 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init_internal [2019-11-28 14:27:02,627 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_init [2019-11-28 14:27:02,627 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2019-11-28 14:27:02,627 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_destroy_msgs [2019-11-28 14:27:02,627 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_fill [2019-11-28 14:27:02,627 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_sub [2019-11-28 14:27:02,628 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2019-11-28 14:27:02,628 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_add_return [2019-11-28 14:27:02,628 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2019-11-28 14:27:02,628 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_release [2019-11-28 14:27:02,628 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2019-11-28 14:27:02,628 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2019-11-28 14:27:02,628 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_cleanup [2019-11-28 14:27:02,628 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2019-11-28 14:27:02,628 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2019-11-28 14:27:02,628 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2019-11-28 14:27:02,629 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-11-28 14:27:02,629 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2019-11-28 14:27:02,629 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_set_drvdata [2019-11-28 14:27:02,629 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2019-11-28 14:27:02,629 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_put [2019-11-28 14:27:02,629 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_get [2019-11-28 14:27:02,630 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_get_drvdata [2019-11-28 14:27:02,636 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2019-11-28 14:27:02,637 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 14:27:02,637 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 14:27:02,637 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 14:27:02,637 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 14:27:02,703 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 14:27:02,703 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 14:27:02,705 INFO L168 Benchmark]: Toolchain (without parser) took 43448.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 217.6 MB). Free memory was 951.0 MB in the beginning and 916.0 MB in the end (delta: 35.0 MB). Peak memory consumption was 252.6 MB. Max. memory is 11.5 GB. [2019-11-28 14:27:02,705 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 14:27:02,706 INFO L168 Benchmark]: CACSL2BoogieTranslator took 900.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -144.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-28 14:27:02,706 INFO L168 Benchmark]: Boogie Preprocessor took 109.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 14:27:02,707 INFO L168 Benchmark]: RCFGBuilder took 1603.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 978.3 MB in the end (delta: 110.6 MB). Peak memory consumption was 110.6 MB. Max. memory is 11.5 GB. [2019-11-28 14:27:02,708 INFO L168 Benchmark]: TraceAbstraction took 40736.55 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.6 MB). Free memory was 978.3 MB in the beginning and 923.6 MB in the end (delta: 54.7 MB). Peak memory consumption was 133.4 MB. Max. memory is 11.5 GB. [2019-11-28 14:27:02,708 INFO L168 Benchmark]: Witness Printer took 93.24 ms. Allocated memory is still 1.2 GB. Free memory was 923.6 MB in the beginning and 916.0 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. [2019-11-28 14:27:02,712 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 900.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -144.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 109.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1603.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 978.3 MB in the end (delta: 110.6 MB). Peak memory consumption was 110.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 40736.55 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.6 MB). Free memory was 978.3 MB in the beginning and 923.6 MB in the end (delta: 54.7 MB). Peak memory consumption was 133.4 MB. Max. memory is 11.5 GB. * Witness Printer took 93.24 ms. Allocated memory is still 1.2 GB. Free memory was 923.6 MB in the beginning and 916.0 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 682]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 682]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 744]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 744]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 658]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 658]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 660]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 660]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 699]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 699]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 593]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 761]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 759]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 759]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 759]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 74 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 335 locations, 74 error locations. Result: SAFE, OverallTime: 40.6s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 26.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 104 SDtfs, 52 SDslu, 263 SDs, 0 SdLazy, 245 SolverSat, 28 SolverUnsat, 21 SolverUnknown, 0 SolverNotchecked, 26.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 187 GetRequests, 137 SyntacticMatches, 3 SemanticMatches, 47 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 11.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 16 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 11.6s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 174 ConstructedInterpolants, 20 QuantifiedInterpolants, 16769 SizeOfPredicates, 9 NumberOfNonLiveVariables, 391 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...