./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 34250e9d8f469697cb8850c8aa9214fde887cb00 ............................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 34250e9d8f469697cb8850c8aa9214fde887cb00 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 18:10:20,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:10:20,349 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:10:20,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:10:20,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:10:20,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:10:20,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:10:20,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:10:20,379 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:10:20,380 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:10:20,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:10:20,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:10:20,382 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:10:20,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:10:20,384 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:10:20,385 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:10:20,386 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:10:20,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:10:20,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:10:20,395 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:10:20,397 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:10:20,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:10:20,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:10:20,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:10:20,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:10:20,404 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:10:20,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:10:20,408 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:10:20,409 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:10:20,410 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:10:20,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:10:20,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:10:20,411 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:10:20,412 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:10:20,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:10:20,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:10:20,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:10:20,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:10:20,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:10:20,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:10:20,416 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:10:20,417 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-19 18:10:20,440 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:10:20,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:10:20,442 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:10:20,442 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:10:20,442 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:10:20,443 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:10:20,443 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:10:20,443 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:10:20,444 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:10:20,444 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:10:20,444 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:10:20,444 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:10:20,445 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:10:20,445 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:10:20,445 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:10:20,445 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:10:20,446 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:10:20,446 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:10:20,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:10:20,446 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:10:20,447 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:10:20,447 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:10:20,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:10:20,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:10:20,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:10:20,448 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:10:20,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 18:10:20,449 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:10:20,449 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34250e9d8f469697cb8850c8aa9214fde887cb00 [2020-10-19 18:10:20,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:10:20,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:10:20,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:10:20,772 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:10:20,772 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:10:20,773 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i [2020-10-19 18:10:20,836 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c95b77df4/8181b4538ffb466ca90fdd1542b1df27/FLAG4569698ff [2020-10-19 18:10:21,366 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:10:21,367 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i [2020-10-19 18:10:21,382 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c95b77df4/8181b4538ffb466ca90fdd1542b1df27/FLAG4569698ff [2020-10-19 18:10:21,660 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c95b77df4/8181b4538ffb466ca90fdd1542b1df27 [2020-10-19 18:10:21,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:10:21,671 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:10:21,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:10:21,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:10:21,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:10:21,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:10:21" (1/1) ... [2020-10-19 18:10:21,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d60baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:10:21, skipping insertion in model container [2020-10-19 18:10:21,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:10:21" (1/1) ... [2020-10-19 18:10:21,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:10:21,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:10:22,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:10:22,200 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) [2020-10-19 18:10:22,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@322b2047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:10:22, skipping insertion in model container [2020-10-19 18:10:22,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:10:22,202 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-19 18:10:22,206 INFO L168 Benchmark]: Toolchain (without parser) took 538.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -161.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2020-10-19 18:10:22,207 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:10:22,209 INFO L168 Benchmark]: CACSL2BoogieTranslator took 529.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -161.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2020-10-19 18:10:22,212 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 529.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -161.0 MB). Peak memory consumption was 20.8 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 0.1.25-906a4fb [2020-10-19 18:10:23,920 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:10:23,922 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:10:23,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:10:23,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:10:23,974 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:10:23,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:10:23,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:10:23,982 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:10:23,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:10:23,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:10:23,989 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:10:23,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:10:23,992 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:10:23,994 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:10:23,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:10:23,997 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:10:23,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:10:24,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:10:24,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:10:24,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:10:24,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:10:24,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:10:24,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:10:24,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:10:24,026 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:10:24,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:10:24,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:10:24,029 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:10:24,030 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:10:24,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:10:24,031 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:10:24,032 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:10:24,033 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:10:24,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:10:24,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:10:24,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:10:24,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:10:24,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:10:24,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:10:24,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:10:24,039 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-19 18:10:24,080 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:10:24,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:10:24,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:10:24,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:10:24,083 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:10:24,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:10:24,084 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:10:24,084 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:10:24,084 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:10:24,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:10:24,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:10:24,086 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:10:24,086 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:10:24,087 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:10:24,087 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:10:24,087 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:10:24,088 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-19 18:10:24,088 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-19 18:10:24,088 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:10:24,088 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:10:24,089 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:10:24,089 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:10:24,089 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:10:24,089 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:10:24,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:10:24,090 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:10:24,090 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:10:24,091 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-19 18:10:24,091 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-19 18:10:24,091 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:10:24,091 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-19 18:10:24,092 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34250e9d8f469697cb8850c8aa9214fde887cb00 [2020-10-19 18:10:24,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:10:24,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:10:24,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:10:24,408 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:10:24,408 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:10:24,409 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i [2020-10-19 18:10:24,464 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d3c39e2d/4475ef0e941d4a20a2201aeacf2e0919/FLAG134630a42 [2020-10-19 18:10:24,996 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:10:24,996 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i [2020-10-19 18:10:25,011 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d3c39e2d/4475ef0e941d4a20a2201aeacf2e0919/FLAG134630a42 [2020-10-19 18:10:25,205 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d3c39e2d/4475ef0e941d4a20a2201aeacf2e0919 [2020-10-19 18:10:25,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:10:25,216 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:10:25,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:10:25,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:10:25,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:10:25,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:10:25" (1/1) ... [2020-10-19 18:10:25,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34f03dc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:10:25, skipping insertion in model container [2020-10-19 18:10:25,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:10:25" (1/1) ... [2020-10-19 18:10:25,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:10:25,277 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:10:25,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:10:25,852 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-10-19 18:10:25,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:10:25,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:10:25,981 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:10:26,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:10:26,103 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:10:26,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:10:26 WrapperNode [2020-10-19 18:10:26,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:10:26,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:10:26,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:10:26,105 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:10:26,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:10:26" (1/1) ... [2020-10-19 18:10:26,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:10:26" (1/1) ... [2020-10-19 18:10:26,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:10:26" (1/1) ... [2020-10-19 18:10:26,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:10:26" (1/1) ... [2020-10-19 18:10:26,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:10:26" (1/1) ... [2020-10-19 18:10:26,183 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:10:26" (1/1) ... [2020-10-19 18:10:26,190 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:10:26" (1/1) ... [2020-10-19 18:10:26,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:10:26,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:10:26,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:10:26,203 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:10:26,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:10:26" (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 [2020-10-19 18:10:26,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-19 18:10:26,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:10:26,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-19 18:10:26,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 18:10:26,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-19 18:10:26,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-19 18:10:26,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-19 18:10:26,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-19 18:10:26,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-19 18:10:26,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-10-19 18:10:26,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-10-19 18:10:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-19 18:10:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-19 18:10:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-10-19 18:10:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-10-19 18:10:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-10-19 18:10:26,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-10-19 18:10:26,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-10-19 18:10:26,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-10-19 18:10:26,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-10-19 18:10:26,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-10-19 18:10:26,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-10-19 18:10:26,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-10-19 18:10:26,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-10-19 18:10:26,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-10-19 18:10:26,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-10-19 18:10:26,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-10-19 18:10:26,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-10-19 18:10:26,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-10-19 18:10:26,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-10-19 18:10:26,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-10-19 18:10:26,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-10-19 18:10:26,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-10-19 18:10:26,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-10-19 18:10:26,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-10-19 18:10:26,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-10-19 18:10:26,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-10-19 18:10:26,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-10-19 18:10:26,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-10-19 18:10:26,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-10-19 18:10:26,273 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-10-19 18:10:26,273 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-10-19 18:10:26,273 INFO L138 BoogieDeclarations]: Found implementation of procedure h_safe [2020-10-19 18:10:26,273 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-10-19 18:10:26,274 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-19 18:10:26,274 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-19 18:10:26,274 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-19 18:10:26,274 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-19 18:10:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-19 18:10:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-19 18:10:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-19 18:10:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-19 18:10:26,275 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-19 18:10:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-19 18:10:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-19 18:10:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-19 18:10:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-19 18:10:26,276 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-19 18:10:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-19 18:10:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-19 18:10:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-19 18:10:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-19 18:10:26,277 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-19 18:10:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-19 18:10:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-19 18:10:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-19 18:10:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-19 18:10:26,278 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-19 18:10:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-19 18:10:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-19 18:10:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-19 18:10:26,279 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-19 18:10:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-19 18:10:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-19 18:10:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-19 18:10:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-19 18:10:26,280 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-19 18:10:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-19 18:10:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-19 18:10:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-19 18:10:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-19 18:10:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-19 18:10:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-19 18:10:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-19 18:10:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-19 18:10:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-19 18:10:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-19 18:10:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-19 18:10:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-19 18:10:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-19 18:10:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-19 18:10:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-19 18:10:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-19 18:10:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-19 18:10:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-19 18:10:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-19 18:10:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-19 18:10:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-19 18:10:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-19 18:10:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-19 18:10:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-19 18:10:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-19 18:10:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-19 18:10:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-19 18:10:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-19 18:10:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-19 18:10:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-19 18:10:26,287 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-19 18:10:26,287 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-19 18:10:26,287 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-19 18:10:26,287 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-19 18:10:26,287 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-19 18:10:26,288 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-19 18:10:26,288 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-19 18:10:26,288 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-19 18:10:26,288 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-19 18:10:26,288 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-19 18:10:26,289 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-19 18:10:26,289 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-19 18:10:26,289 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-19 18:10:26,289 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-19 18:10:26,289 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-19 18:10:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-19 18:10:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-19 18:10:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-19 18:10:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-19 18:10:26,290 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-19 18:10:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-19 18:10:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-19 18:10:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-19 18:10:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-19 18:10:26,291 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-19 18:10:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-19 18:10:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-19 18:10:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-19 18:10:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-19 18:10:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-19 18:10:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-19 18:10:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-19 18:10:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-19 18:10:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-19 18:10:26,294 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-19 18:10:26,294 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-19 18:10:26,294 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-19 18:10:26,294 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-19 18:10:26,294 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-19 18:10:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-19 18:10:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-19 18:10:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-19 18:10:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-19 18:10:26,295 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-19 18:10:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-19 18:10:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-19 18:10:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-19 18:10:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-19 18:10:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-19 18:10:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-19 18:10:26,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-10-19 18:10:26,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-10-19 18:10:26,297 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-19 18:10:26,297 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-19 18:10:26,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-19 18:10:26,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-19 18:10:26,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-19 18:10:26,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-19 18:10:26,298 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-10-19 18:10:26,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-19 18:10:26,299 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-10-19 18:10:26,299 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-10-19 18:10:26,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-10-19 18:10:26,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-19 18:10:26,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-10-19 18:10:26,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-10-19 18:10:26,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-10-19 18:10:26,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-10-19 18:10:26,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-19 18:10:26,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-10-19 18:10:26,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-19 18:10:26,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-10-19 18:10:26,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-10-19 18:10:26,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-10-19 18:10:26,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-10-19 18:10:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-10-19 18:10:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-19 18:10:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-19 18:10:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-10-19 18:10:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-10-19 18:10:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-19 18:10:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-10-19 18:10:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-10-19 18:10:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-10-19 18:10:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-10-19 18:10:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-10-19 18:10:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-10-19 18:10:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-10-19 18:10:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-10-19 18:10:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-10-19 18:10:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-10-19 18:10:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-10-19 18:10:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-19 18:10:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-10-19 18:10:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-10-19 18:10:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure h_safe [2020-10-19 18:10:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-10-19 18:10:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-19 18:10:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-19 18:10:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 18:10:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-19 18:10:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:10:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 18:10:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-19 18:10:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-19 18:10:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-10-19 18:10:26,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-10-19 18:10:26,836 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:10:27,178 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:10:27,486 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:10:27,486 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-19 18:10:27,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:10:27 BoogieIcfgContainer [2020-10-19 18:10:27,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:10:27,490 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 18:10:27,490 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 18:10:27,494 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 18:10:27,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 06:10:25" (1/3) ... [2020-10-19 18:10:27,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b2c4bbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:10:27, skipping insertion in model container [2020-10-19 18:10:27,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:10:26" (2/3) ... [2020-10-19 18:10:27,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b2c4bbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:10:27, skipping insertion in model container [2020-10-19 18:10:27,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:10:27" (3/3) ... [2020-10-19 18:10:27,497 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test3-2.i [2020-10-19 18:10:27,509 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 18:10:27,517 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2020-10-19 18:10:27,531 INFO L253 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2020-10-19 18:10:27,552 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 18:10:27,552 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-19 18:10:27,553 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 18:10:27,553 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:10:27,553 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:10:27,553 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 18:10:27,553 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:10:27,554 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 18:10:27,571 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states. [2020-10-19 18:10:27,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-19 18:10:27,581 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:10:27,582 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:10:27,583 INFO L429 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]=== [2020-10-19 18:10:27,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:10:27,589 INFO L82 PathProgramCache]: Analyzing trace with hash -1115971593, now seen corresponding path program 1 times [2020-10-19 18:10:27,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:10:27,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [585796775] [2020-10-19 18:10:27,603 INFO L95 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 [2020-10-19 18:10:27,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:10:27,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-19 18:10:27,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:10:27,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:10:27,892 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:10:28,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:10:28,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [585796775] [2020-10-19 18:10:28,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:10:28,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2020-10-19 18:10:28,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644068823] [2020-10-19 18:10:28,013 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-19 18:10:28,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:10:28,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-19 18:10:28,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-19 18:10:28,033 INFO L87 Difference]: Start difference. First operand 100 states. Second operand 7 states. [2020-10-19 18:10:28,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:10:28,081 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2020-10-19 18:10:28,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-19 18:10:28,083 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-10-19 18:10:28,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:10:28,093 INFO L225 Difference]: With dead ends: 29 [2020-10-19 18:10:28,093 INFO L226 Difference]: Without dead ends: 26 [2020-10-19 18:10:28,095 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-19 18:10:28,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-10-19 18:10:28,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2020-10-19 18:10:28,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-10-19 18:10:28,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2020-10-19 18:10:28,134 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 18 [2020-10-19 18:10:28,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:10:28,134 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2020-10-19 18:10:28,135 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-19 18:10:28,135 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2020-10-19 18:10:28,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-19 18:10:28,136 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:10:28,136 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:10:28,348 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-19 18:10:28,349 INFO L429 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]=== [2020-10-19 18:10:28,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:10:28,350 INFO L82 PathProgramCache]: Analyzing trace with hash -235380623, now seen corresponding path program 1 times [2020-10-19 18:10:28,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:10:28,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1176052237] [2020-10-19 18:10:28,351 INFO L95 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 [2020-10-19 18:10:28,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:10:28,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-19 18:10:28,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:10:28,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:10:28,732 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:10:28,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:10:28,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1176052237] [2020-10-19 18:10:28,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:10:28,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 12 [2020-10-19 18:10:28,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300878231] [2020-10-19 18:10:28,986 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-19 18:10:28,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:10:28,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-19 18:10:28,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2020-10-19 18:10:28,987 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand 13 states. [2020-10-19 18:10:29,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:10:29,198 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2020-10-19 18:10:29,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-19 18:10:29,228 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 19 [2020-10-19 18:10:29,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:10:29,231 INFO L225 Difference]: With dead ends: 37 [2020-10-19 18:10:29,232 INFO L226 Difference]: Without dead ends: 37 [2020-10-19 18:10:29,233 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2020-10-19 18:10:29,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-19 18:10:29,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 32. [2020-10-19 18:10:29,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-19 18:10:29,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2020-10-19 18:10:29,244 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 19 [2020-10-19 18:10:29,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:10:29,244 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2020-10-19 18:10:29,245 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-19 18:10:29,245 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2020-10-19 18:10:29,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-19 18:10:29,247 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:10:29,247 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:10:29,465 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-19 18:10:29,466 INFO L429 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]=== [2020-10-19 18:10:29,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:10:29,468 INFO L82 PathProgramCache]: Analyzing trace with hash 1293135673, now seen corresponding path program 1 times [2020-10-19 18:10:29,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:10:29,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [653898412] [2020-10-19 18:10:29,470 INFO L95 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 [2020-10-19 18:10:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:10:29,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-19 18:10:29,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:10:29,650 INFO L384 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 [2020-10-19 18:10:29,651 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-19 18:10:29,658 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-19 18:10:29,658 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-19 18:10:29,658 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-10-19 18:10:29,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:10:29,697 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:10:29,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:10:29,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [653898412] [2020-10-19 18:10:29,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:10:29,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2020-10-19 18:10:29,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933665645] [2020-10-19 18:10:29,803 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-19 18:10:29,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:10:29,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-19 18:10:29,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-19 18:10:29,804 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 7 states. [2020-10-19 18:10:29,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:10:29,867 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2020-10-19 18:10:29,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-19 18:10:29,868 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2020-10-19 18:10:29,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:10:29,869 INFO L225 Difference]: With dead ends: 35 [2020-10-19 18:10:29,869 INFO L226 Difference]: Without dead ends: 35 [2020-10-19 18:10:29,870 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-19 18:10:29,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-19 18:10:29,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-10-19 18:10:29,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-19 18:10:29,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2020-10-19 18:10:29,875 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 20 [2020-10-19 18:10:29,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:10:29,875 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2020-10-19 18:10:29,875 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-19 18:10:29,876 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2020-10-19 18:10:29,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-19 18:10:29,876 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:10:29,877 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:10:30,087 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-19 18:10:30,088 INFO L429 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]=== [2020-10-19 18:10:30,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:10:30,089 INFO L82 PathProgramCache]: Analyzing trace with hash -503815686, now seen corresponding path program 1 times [2020-10-19 18:10:30,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:10:30,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [30257383] [2020-10-19 18:10:30,097 INFO L95 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 [2020-10-19 18:10:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:10:30,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-19 18:10:30,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:10:30,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:10:30,279 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:10:30,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:10:30,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [30257383] [2020-10-19 18:10:30,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:10:30,384 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2020-10-19 18:10:30,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497046743] [2020-10-19 18:10:30,385 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-19 18:10:30,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:10:30,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-19 18:10:30,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-19 18:10:30,386 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand 7 states. [2020-10-19 18:10:30,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:10:30,415 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2020-10-19 18:10:30,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-19 18:10:30,416 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2020-10-19 18:10:30,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:10:30,417 INFO L225 Difference]: With dead ends: 33 [2020-10-19 18:10:30,417 INFO L226 Difference]: Without dead ends: 33 [2020-10-19 18:10:30,418 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-19 18:10:30,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-19 18:10:30,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2020-10-19 18:10:30,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-19 18:10:30,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2020-10-19 18:10:30,423 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 20 [2020-10-19 18:10:30,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:10:30,423 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2020-10-19 18:10:30,424 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-19 18:10:30,424 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2020-10-19 18:10:30,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-19 18:10:30,425 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:10:30,425 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:10:30,635 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-19 18:10:30,636 INFO L429 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]=== [2020-10-19 18:10:30,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:10:30,636 INFO L82 PathProgramCache]: Analyzing trace with hash -503568140, now seen corresponding path program 1 times [2020-10-19 18:10:30,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:10:30,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1621475514] [2020-10-19 18:10:30,637 INFO L95 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 [2020-10-19 18:10:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:10:30,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-19 18:10:30,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:10:30,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:10:30,756 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:10:30,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:10:30,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1621475514] [2020-10-19 18:10:30,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:10:30,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-19 18:10:30,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508649770] [2020-10-19 18:10:30,851 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-19 18:10:30,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:10:30,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 18:10:30,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:10:30,852 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand 3 states. [2020-10-19 18:10:30,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:10:30,880 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2020-10-19 18:10:30,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 18:10:30,881 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-10-19 18:10:30,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:10:30,882 INFO L225 Difference]: With dead ends: 34 [2020-10-19 18:10:30,882 INFO L226 Difference]: Without dead ends: 24 [2020-10-19 18:10:30,882 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 18:10:30,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-10-19 18:10:30,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-10-19 18:10:30,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-19 18:10:30,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 23 transitions. [2020-10-19 18:10:30,886 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 23 transitions. Word has length 20 [2020-10-19 18:10:30,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:10:30,887 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 23 transitions. [2020-10-19 18:10:30,887 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-19 18:10:30,887 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 23 transitions. [2020-10-19 18:10:30,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-19 18:10:30,888 INFO L414 BasicCegarLoop]: Found error trace [2020-10-19 18:10:30,888 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 18:10:31,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-10-19 18:10:31,099 INFO L429 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]=== [2020-10-19 18:10:31,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:10:31,100 INFO L82 PathProgramCache]: Analyzing trace with hash -2051414223, now seen corresponding path program 1 times [2020-10-19 18:10:31,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-19 18:10:31,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [112090697] [2020-10-19 18:10:31,101 INFO L95 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 [2020-10-19 18:10:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 18:10:31,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 17 conjunts are in the unsatisfiable core [2020-10-19 18:10:31,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 18:10:33,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:10:33,364 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-19 18:10:41,997 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-19 18:10:42,005 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_10|], 5=[|v_old(#valid)_BEFORE_CALL_11|]} [2020-10-19 18:10:42,014 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_10| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_10| (store |v_old(#valid)_BEFORE_CALL_11| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_11| v_prenex_2) (_ bv0 1)))) (= |v_old(#valid)_BEFORE_CALL_10| (store |c_#valid| |c_h_safe_#res.base| (_ bv0 1))) (exists ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32)) (v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_36|) (_ bv0 1)) (not (= v_prenex_1 (store |c_old(#valid)| |v_entry_point_#t~ret39.base_36| (_ bv0 1)))) (forall ((v_entry_point_~p~0.base_18 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_11| v_entry_point_~p~0.base_18 (_ bv0 1)) v_prenex_1) (not (= (select |v_old(#valid)_BEFORE_CALL_11| v_entry_point_~p~0.base_18) (_ bv0 1))))))))) is different from false [2020-10-19 18:10:42,027 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-19 18:10:42,032 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_10|], 5=[|v_old(#valid)_BEFORE_CALL_11|]} [2020-10-19 18:10:42,046 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-19 18:10:42,051 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_10|], 5=[|v_old(#valid)_BEFORE_CALL_11|]} [2020-10-19 18:10:42,064 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_10| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_10| (store |v_old(#valid)_BEFORE_CALL_11| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_11| v_prenex_2) (_ bv0 1)))) (= (store |c_#valid| |c_h_safe_#t~ret38.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_10|) (exists ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32)) (v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_36|) (_ bv0 1)) (not (= v_prenex_1 (store |c_old(#valid)| |v_entry_point_#t~ret39.base_36| (_ bv0 1)))) (forall ((v_entry_point_~p~0.base_18 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_11| v_entry_point_~p~0.base_18 (_ bv0 1)) v_prenex_1) (not (= (select |v_old(#valid)_BEFORE_CALL_11| v_entry_point_~p~0.base_18) (_ bv0 1))))))))) is different from false [2020-10-19 18:10:42,070 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_10| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_10| (store |v_old(#valid)_BEFORE_CALL_11| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_11| v_prenex_2) (_ bv0 1)))) (= (store |c_#valid| |c_h_safe_#t~ret38.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_10|) (exists ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32)) (v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_36|) (_ bv0 1)) (not (= v_prenex_1 (store |c_old(#valid)| |v_entry_point_#t~ret39.base_36| (_ bv0 1)))) (forall ((v_entry_point_~p~0.base_18 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_11| v_entry_point_~p~0.base_18 (_ bv0 1)) v_prenex_1) (not (= (select |v_old(#valid)_BEFORE_CALL_11| v_entry_point_~p~0.base_18) (_ bv0 1))))))))) is different from true [2020-10-19 18:10:42,129 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-19 18:10:42,136 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_10|], 5=[|v_old(#valid)_BEFORE_CALL_11|]} [2020-10-19 18:10:42,158 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_10| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_h_safe_#t~ret38.base_66| (_ BitVec 32))) (or (= |v_old(#valid)_BEFORE_CALL_10| (store |c_#valid| |v_h_safe_#t~ret38.base_66| (_ bv0 1))) (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_10| (store |v_old(#valid)_BEFORE_CALL_11| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_11| v_prenex_2) (_ bv0 1)))) (not (= (_ bv0 1) (select |c_#valid| |v_h_safe_#t~ret38.base_66|))) (exists ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32)) (v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_36|) (_ bv0 1)) (not (= v_prenex_1 (store |c_old(#valid)| |v_entry_point_#t~ret39.base_36| (_ bv0 1)))) (forall ((v_entry_point_~p~0.base_18 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_11| v_entry_point_~p~0.base_18 (_ bv0 1)) v_prenex_1) (not (= (select |v_old(#valid)_BEFORE_CALL_11| v_entry_point_~p~0.base_18) (_ bv0 1))))))))) is different from true [2020-10-19 18:10:42,211 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-19 18:10:42,224 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-10-19 18:10:42,232 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_3, v_prenex_6], 5=[v_prenex_4]} [2020-10-19 18:10:42,241 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_10|], 5=[|v_old(#valid)_BEFORE_CALL_12|, |v_old(#valid)_BEFORE_CALL_11|]} [2020-10-19 18:10:42,272 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_10| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_5 (_ BitVec 32)) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_12| v_prenex_5 (_ bv0 1)) v_prenex_6)) (= (select |v_old(#valid)_BEFORE_CALL_12| v_prenex_5) (_ bv0 1)) (forall ((v_prenex_7 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_11| v_prenex_7) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_11| v_prenex_7 (_ bv0 1)) v_prenex_6))))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_10|) (exists ((v_prenex_8 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_11| v_prenex_8) (_ bv0 1)) (not (= (store |v_old(#valid)_BEFORE_CALL_11| v_prenex_8 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_10|)))) (exists ((|v_h_safe_#t~ret38.base_66| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_4 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_2 (_ BitVec 32))) (or (not (= (select v_prenex_4 v_prenex_2) (_ bv0 1))) (= (store v_prenex_4 v_prenex_2 (_ bv0 1)) v_prenex_3))) (= (_ bv0 1) (select |c_old(#valid)| |v_h_safe_#t~ret38.base_66|)) (forall ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32)) (v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_entry_point_~p~0.base_18 (_ BitVec 32))) (and (not (= (store v_prenex_4 v_entry_point_~p~0.base_18 (_ bv0 1)) v_prenex_1)) (= (select v_prenex_4 v_entry_point_~p~0.base_18) (_ bv0 1)))) (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_12| |v_entry_point_#t~ret39.base_36| (_ bv0 1))) (not (= (select |v_old(#valid)_BEFORE_CALL_12| |v_entry_point_#t~ret39.base_36|) (_ bv0 1))))) (not (= (store |c_old(#valid)| |v_h_safe_#t~ret38.base_66| (_ bv0 1)) v_prenex_3)))))) is different from false [2020-10-19 18:10:42,280 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_10| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_5 (_ BitVec 32)) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_12| v_prenex_5 (_ bv0 1)) v_prenex_6)) (= (select |v_old(#valid)_BEFORE_CALL_12| v_prenex_5) (_ bv0 1)) (forall ((v_prenex_7 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_11| v_prenex_7) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_11| v_prenex_7 (_ bv0 1)) v_prenex_6))))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_10|) (exists ((v_prenex_8 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_11| v_prenex_8) (_ bv0 1)) (not (= (store |v_old(#valid)_BEFORE_CALL_11| v_prenex_8 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_10|)))) (exists ((|v_h_safe_#t~ret38.base_66| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_4 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_2 (_ BitVec 32))) (or (not (= (select v_prenex_4 v_prenex_2) (_ bv0 1))) (= (store v_prenex_4 v_prenex_2 (_ bv0 1)) v_prenex_3))) (= (_ bv0 1) (select |c_old(#valid)| |v_h_safe_#t~ret38.base_66|)) (forall ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32)) (v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_entry_point_~p~0.base_18 (_ BitVec 32))) (and (not (= (store v_prenex_4 v_entry_point_~p~0.base_18 (_ bv0 1)) v_prenex_1)) (= (select v_prenex_4 v_entry_point_~p~0.base_18) (_ bv0 1)))) (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_12| |v_entry_point_#t~ret39.base_36| (_ bv0 1))) (not (= (select |v_old(#valid)_BEFORE_CALL_12| |v_entry_point_#t~ret39.base_36|) (_ bv0 1))))) (not (= (store |c_old(#valid)| |v_h_safe_#t~ret38.base_66| (_ bv0 1)) v_prenex_3)))))) is different from true [2020-10-19 18:10:42,317 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-19 18:10:42,326 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-10-19 18:10:42,330 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_3, v_prenex_6], 5=[v_prenex_4]} [2020-10-19 18:10:42,337 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_10|], 5=[|v_old(#valid)_BEFORE_CALL_12|, |v_old(#valid)_BEFORE_CALL_11|]} [2020-10-19 18:10:42,431 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-19 18:10:42,440 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-10-19 18:10:42,444 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_3, v_prenex_6], 5=[v_prenex_4]} [2020-10-19 18:10:42,451 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_10|], 5=[|v_old(#valid)_BEFORE_CALL_12|, |v_old(#valid)_BEFORE_CALL_11|]} [2020-10-19 18:10:42,527 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_10| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#res.base_55| (_ BitVec 32))) (or (exists ((v_prenex_5 (_ BitVec 32)) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_12| v_prenex_5 (_ bv0 1)) v_prenex_6)) (= (select |v_old(#valid)_BEFORE_CALL_12| v_prenex_5) (_ bv0 1)) (forall ((v_prenex_7 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_11| v_prenex_7) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_11| v_prenex_7 (_ bv0 1)) v_prenex_6))))) (not (= (_ bv0 1) (select |c_#valid| |v_ldv_malloc_#res.base_55|))) (= |v_old(#valid)_BEFORE_CALL_10| (store |c_#valid| |v_ldv_malloc_#res.base_55| (_ bv0 1))) (exists ((v_prenex_8 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_11| v_prenex_8) (_ bv0 1)) (not (= (store |v_old(#valid)_BEFORE_CALL_11| v_prenex_8 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_10|)))) (exists ((|v_h_safe_#t~ret38.base_66| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_4 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_2 (_ BitVec 32))) (or (not (= (select v_prenex_4 v_prenex_2) (_ bv0 1))) (= (store v_prenex_4 v_prenex_2 (_ bv0 1)) v_prenex_3))) (= (_ bv0 1) (select |c_old(#valid)| |v_h_safe_#t~ret38.base_66|)) (forall ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32)) (v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_entry_point_~p~0.base_18 (_ BitVec 32))) (and (not (= (store v_prenex_4 v_entry_point_~p~0.base_18 (_ bv0 1)) v_prenex_1)) (= (select v_prenex_4 v_entry_point_~p~0.base_18) (_ bv0 1)))) (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_12| |v_entry_point_#t~ret39.base_36| (_ bv0 1))) (not (= (select |v_old(#valid)_BEFORE_CALL_12| |v_entry_point_#t~ret39.base_36|) (_ bv0 1))))) (not (= (store |c_old(#valid)| |v_h_safe_#t~ret38.base_66| (_ bv0 1)) v_prenex_3)))))) is different from true [2020-10-19 18:10:42,577 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-19 18:10:42,590 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-10-19 18:10:42,593 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_3, v_prenex_6], 5=[v_prenex_4]} [2020-10-19 18:10:42,600 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_10|], 5=[|v_old(#valid)_BEFORE_CALL_12|, |v_old(#valid)_BEFORE_CALL_11|]} [2020-10-19 18:10:42,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 18:10:42,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [112090697] [2020-10-19 18:10:42,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-19 18:10:42,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 12] imperfect sequences [] total 18 [2020-10-19 18:10:42,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518877440] [2020-10-19 18:10:42,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-19 18:10:42,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-19 18:10:42,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-19 18:10:42,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=124, Unknown=34, NotChecked=140, Total=342 [2020-10-19 18:10:42,648 INFO L87 Difference]: Start difference. First operand 24 states and 23 transitions. Second operand 19 states. [2020-10-19 18:11:02,045 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_#valid| (store |c_old(#valid)| |c_ldv_malloc_#res.base| (_ bv1 1))) (forall ((|v_old(#valid)_BEFORE_CALL_10| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_5 (_ BitVec 32)) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_12| v_prenex_5 (_ bv0 1)) v_prenex_6)) (= (select |v_old(#valid)_BEFORE_CALL_12| v_prenex_5) (_ bv0 1)) (forall ((v_prenex_7 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_11| v_prenex_7) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_11| v_prenex_7 (_ bv0 1)) v_prenex_6))))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_10|) (exists ((v_prenex_8 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_11| v_prenex_8) (_ bv0 1)) (not (= (store |v_old(#valid)_BEFORE_CALL_11| v_prenex_8 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_10|)))) (exists ((|v_h_safe_#t~ret38.base_66| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_4 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_2 (_ BitVec 32))) (or (not (= (select v_prenex_4 v_prenex_2) (_ bv0 1))) (= (store v_prenex_4 v_prenex_2 (_ bv0 1)) v_prenex_3))) (= (_ bv0 1) (select |c_old(#valid)| |v_h_safe_#t~ret38.base_66|)) (forall ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32)) (v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_entry_point_~p~0.base_18 (_ BitVec 32))) (and (not (= (store v_prenex_4 v_entry_point_~p~0.base_18 (_ bv0 1)) v_prenex_1)) (= (select v_prenex_4 v_entry_point_~p~0.base_18) (_ bv0 1)))) (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_12| |v_entry_point_#t~ret39.base_36| (_ bv0 1))) (not (= (select |v_old(#valid)_BEFORE_CALL_12| |v_entry_point_#t~ret39.base_36|) (_ bv0 1))))) (not (= (store |c_old(#valid)| |v_h_safe_#t~ret38.base_66| (_ bv0 1)) v_prenex_3)))))) (= (select |c_old(#valid)| |c_ldv_malloc_#res.base|) (_ bv0 1))) is different from false [2020-10-19 18:11:02,053 WARN L860 $PredicateComparison]: unable to prove that (and (= |c_#valid| (store |c_old(#valid)| |c_ldv_malloc_#res.base| (_ bv1 1))) (forall ((|v_old(#valid)_BEFORE_CALL_10| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_5 (_ BitVec 32)) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_12| v_prenex_5 (_ bv0 1)) v_prenex_6)) (= (select |v_old(#valid)_BEFORE_CALL_12| v_prenex_5) (_ bv0 1)) (forall ((v_prenex_7 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_11| v_prenex_7) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_11| v_prenex_7 (_ bv0 1)) v_prenex_6))))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_10|) (exists ((v_prenex_8 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_11| v_prenex_8) (_ bv0 1)) (not (= (store |v_old(#valid)_BEFORE_CALL_11| v_prenex_8 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_10|)))) (exists ((|v_h_safe_#t~ret38.base_66| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_4 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_2 (_ BitVec 32))) (or (not (= (select v_prenex_4 v_prenex_2) (_ bv0 1))) (= (store v_prenex_4 v_prenex_2 (_ bv0 1)) v_prenex_3))) (= (_ bv0 1) (select |c_old(#valid)| |v_h_safe_#t~ret38.base_66|)) (forall ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32)) (v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_entry_point_~p~0.base_18 (_ BitVec 32))) (and (not (= (store v_prenex_4 v_entry_point_~p~0.base_18 (_ bv0 1)) v_prenex_1)) (= (select v_prenex_4 v_entry_point_~p~0.base_18) (_ bv0 1)))) (= v_prenex_1 (store |v_old(#valid)_BEFORE_CALL_12| |v_entry_point_#t~ret39.base_36| (_ bv0 1))) (not (= (select |v_old(#valid)_BEFORE_CALL_12| |v_entry_point_#t~ret39.base_36|) (_ bv0 1))))) (not (= (store |c_old(#valid)| |v_h_safe_#t~ret38.base_66| (_ bv0 1)) v_prenex_3)))))) (= (select |c_old(#valid)| |c_ldv_malloc_#res.base|) (_ bv0 1))) is different from true [2020-10-19 18:11:02,059 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_10| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_10| (store |v_old(#valid)_BEFORE_CALL_11| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_11| v_prenex_2) (_ bv0 1)))) (= (store |c_#valid| |c_h_safe_#t~ret38.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_10|) (exists ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32)) (v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_36|) (_ bv0 1)) (not (= v_prenex_1 (store |c_old(#valid)| |v_entry_point_#t~ret39.base_36| (_ bv0 1)))) (forall ((v_entry_point_~p~0.base_18 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_11| v_entry_point_~p~0.base_18 (_ bv0 1)) v_prenex_1) (not (= (select |v_old(#valid)_BEFORE_CALL_11| v_entry_point_~p~0.base_18) (_ bv0 1))))))))) (= (store |c_old(#valid)| |c_h_safe_#t~ret38.base| (_ bv1 1)) |c_#valid|) (= (select |c_old(#valid)| |c_h_safe_#t~ret38.base|) (_ bv0 1))) is different from false [2020-10-19 18:11:02,071 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_#valid| (store |c_old(#valid)| |c_h_safe_#res.base| (_ bv1 1))) (= (select |c_old(#valid)| |c_h_safe_#res.base|) (_ bv0 1)) (forall ((|v_old(#valid)_BEFORE_CALL_10| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_10| (store |v_old(#valid)_BEFORE_CALL_11| v_prenex_2 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_11| v_prenex_2) (_ bv0 1)))) (= |v_old(#valid)_BEFORE_CALL_10| (store |c_#valid| |c_h_safe_#res.base| (_ bv0 1))) (exists ((|v_entry_point_#t~ret39.base_36| (_ BitVec 32)) (v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_36|) (_ bv0 1)) (not (= v_prenex_1 (store |c_old(#valid)| |v_entry_point_#t~ret39.base_36| (_ bv0 1)))) (forall ((v_entry_point_~p~0.base_18 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_11| v_entry_point_~p~0.base_18 (_ bv0 1)) v_prenex_1) (not (= (select |v_old(#valid)_BEFORE_CALL_11| v_entry_point_~p~0.base_18) (_ bv0 1)))))))))) is different from false [2020-10-19 18:11:02,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 18:11:02,681 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2020-10-19 18:11:02,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-19 18:11:02,682 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 23 [2020-10-19 18:11:02,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-19 18:11:02,683 INFO L225 Difference]: With dead ends: 23 [2020-10-19 18:11:02,683 INFO L226 Difference]: Without dead ends: 0 [2020-10-19 18:11:02,683 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 8 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 14.2s TimeCoverageRelationStatistics Valid=68, Invalid=159, Unknown=77, NotChecked=296, Total=600 [2020-10-19 18:11:02,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-19 18:11:02,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-19 18:11:02,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-19 18:11:02,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 18:11:02,684 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2020-10-19 18:11:02,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-19 18:11:02,685 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 18:11:02,685 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-19 18:11:02,685 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-19 18:11:02,685 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 18:11:02,891 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-10-19 18:11:02,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 06:11:02 BoogieIcfgContainer [2020-10-19 18:11:02,897 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 18:11:02,897 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:11:02,897 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:11:02,898 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:11:02,898 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:10:27" (3/4) ... [2020-10-19 18:11:02,902 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 18:11:02,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_submit_msg [2020-10-19 18:11:02,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.setCurrentRoundingMode [2020-10-19 18:11:02,910 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_create [2020-10-19 18:11:02,910 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_del [2020-10-19 18:11:02,910 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_positive [2020-10-19 18:11:02,910 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_del [2020-10-19 18:11:02,910 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2020-10-19 18:11:02,910 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2020-10-19 18:11:02,911 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2020-10-19 18:11:02,911 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2020-10-19 18:11:02,911 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_del [2020-10-19 18:11:02,911 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_get [2020-10-19 18:11:02,911 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2020-10-19 18:11:02,911 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2020-10-19 18:11:02,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init [2020-10-19 18:11:02,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2020-10-19 18:11:02,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_sub_return [2020-10-19 18:11:02,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add_tail [2020-10-19 18:11:02,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2020-10-19 18:11:02,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_nonpositive [2020-10-19 18:11:02,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2020-10-19 18:11:02,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure entry_point [2020-10-19 18:11:02,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_alloc [2020-10-19 18:11:02,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init_internal [2020-10-19 18:11:02,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_init [2020-10-19 18:11:02,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2020-10-19 18:11:02,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_destroy_msgs [2020-10-19 18:11:02,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_fill [2020-10-19 18:11:02,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_sub [2020-10-19 18:11:02,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2020-10-19 18:11:02,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_add_return [2020-10-19 18:11:02,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2020-10-19 18:11:02,915 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_release [2020-10-19 18:11:02,915 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2020-10-19 18:11:02,915 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2020-10-19 18:11:02,915 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_cleanup [2020-10-19 18:11:02,915 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2020-10-19 18:11:02,915 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2020-10-19 18:11:02,915 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure h_safe [2020-10-19 18:11:02,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2020-10-19 18:11:02,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2020-10-19 18:11:02,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2020-10-19 18:11:02,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_set_drvdata [2020-10-19 18:11:02,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2020-10-19 18:11:02,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_put [2020-10-19 18:11:02,917 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_get [2020-10-19 18:11:02,917 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_get_drvdata [2020-10-19 18:11:02,925 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2020-10-19 18:11:02,926 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-10-19 18:11:02,926 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-19 18:11:02,927 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-19 18:11:02,927 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 18:11:02,980 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 18:11:02,981 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:11:02,982 INFO L168 Benchmark]: Toolchain (without parser) took 37772.59 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 325.6 MB). Free memory was 951.9 MB in the beginning and 1.2 GB in the end (delta: -275.2 MB). Peak memory consumption was 50.3 MB. Max. memory is 11.5 GB. [2020-10-19 18:11:02,983 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:11:02,983 INFO L168 Benchmark]: CACSL2BoogieTranslator took 886.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 951.9 MB in the beginning and 1.1 GB in the end (delta: -138.3 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2020-10-19 18:11:02,984 INFO L168 Benchmark]: Boogie Preprocessor took 97.45 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-10-19 18:11:02,984 INFO L168 Benchmark]: RCFGBuilder took 1286.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 971.2 MB in the end (delta: 112.3 MB). Peak memory consumption was 112.3 MB. Max. memory is 11.5 GB. [2020-10-19 18:11:02,985 INFO L168 Benchmark]: TraceAbstraction took 35406.81 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 190.8 MB). Free memory was 971.2 MB in the beginning and 1.2 GB in the end (delta: -265.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:11:02,986 INFO L168 Benchmark]: Witness Printer took 83.47 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 11.5 GB. [2020-10-19 18:11:02,988 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 886.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 951.9 MB in the beginning and 1.1 GB in the end (delta: -138.3 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 97.45 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1286.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 971.2 MB in the end (delta: 112.3 MB). Peak memory consumption was 112.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 35406.81 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 190.8 MB). Free memory was 971.2 MB in the beginning and 1.2 GB in the end (delta: -265.1 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 83.47 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 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: 764]: 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: 762]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 762]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 762]: 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 48 procedures, 340 locations, 74 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 35.3s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 20.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 131 SDtfs, 36 SDslu, 427 SDs, 0 SdLazy, 330 SolverSat, 15 SolverUnsat, 22 SolverUnknown, 0 SolverNotchecked, 16.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 241 GetRequests, 190 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 8 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 14.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred 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, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 12.6s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 228 ConstructedInterpolants, 20 QuantifiedInterpolants, 32388 SizeOfPredicates, 8 NumberOfNonLiveVariables, 454 ConjunctsInSsa, 59 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...