./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 7c71bc25 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_test10-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d4308bd7904aec4bec637498669b187d310fac2d ......................................................................................................................... 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_test10-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d4308bd7904aec4bec637498669b187d310fac2d ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported --- Real Ultimate output --- This is Ultimate 0.1.24-7c71bc2 [2019-11-25 13:20:03,907 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 13:20:03,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 13:20:03,923 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 13:20:03,923 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 13:20:03,925 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 13:20:03,926 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 13:20:03,928 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 13:20:03,930 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 13:20:03,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 13:20:03,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 13:20:03,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 13:20:03,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 13:20:03,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 13:20:03,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 13:20:03,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 13:20:03,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 13:20:03,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 13:20:03,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 13:20:03,945 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 13:20:03,946 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 13:20:03,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 13:20:03,949 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 13:20:03,950 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 13:20:03,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 13:20:03,953 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 13:20:03,954 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 13:20:03,955 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 13:20:03,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 13:20:03,957 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 13:20:03,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 13:20:03,958 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 13:20:03,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 13:20:03,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 13:20:03,961 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 13:20:03,962 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 13:20:03,962 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 13:20:03,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 13:20:03,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 13:20:03,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 13:20:03,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 13:20:03,968 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-25 13:20:03,988 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 13:20:03,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 13:20:03,990 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 13:20:03,990 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 13:20:03,990 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 13:20:03,991 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 13:20:03,991 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 13:20:03,991 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 13:20:03,991 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 13:20:03,992 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-25 13:20:03,992 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-25 13:20:03,992 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-25 13:20:03,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 13:20:03,993 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 13:20:03,993 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 13:20:03,993 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 13:20:03,994 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 13:20:03,994 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 13:20:03,994 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 13:20:03,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 13:20:03,995 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 13:20:03,995 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 13:20:03,995 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 13:20:03,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 13:20:03,996 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4308bd7904aec4bec637498669b187d310fac2d [2019-11-25 13:20:04,288 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 13:20:04,302 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 13:20:04,305 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 13:20:04,307 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 13:20:04,307 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 13:20:04,308 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2019-11-25 13:20:04,389 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bee006902/a54edf7fead245389c80c708e8b909f5/FLAGbe0ed6b70 [2019-11-25 13:20:04,966 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 13:20:04,966 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2019-11-25 13:20:04,981 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bee006902/a54edf7fead245389c80c708e8b909f5/FLAGbe0ed6b70 [2019-11-25 13:20:05,181 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bee006902/a54edf7fead245389c80c708e8b909f5 [2019-11-25 13:20:05,184 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 13:20:05,186 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-25 13:20:05,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 13:20:05,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 13:20:05,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 13:20:05,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:20:05" (1/1) ... [2019-11-25 13:20:05,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7903573a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:05, skipping insertion in model container [2019-11-25 13:20:05,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:20:05" (1/1) ... [2019-11-25 13:20:05,204 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 13:20:05,276 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 13:20:05,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 13:20:05,846 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2019-11-25 13:20:05,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@47057497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:05, skipping insertion in model container [2019-11-25 13:20:05,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 13:20:05,847 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-25 13:20:05,850 INFO L168 Benchmark]: Toolchain (without parser) took 662.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -179.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-25 13:20:05,851 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 13:20:05,852 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -179.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-25 13:20:05,854 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 659.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -179.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 577]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-7c71bc2 [2019-11-25 13:20:07,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 13:20:07,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 13:20:07,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 13:20:07,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 13:20:07,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 13:20:07,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 13:20:07,643 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 13:20:07,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 13:20:07,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 13:20:07,648 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 13:20:07,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 13:20:07,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 13:20:07,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 13:20:07,651 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 13:20:07,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 13:20:07,654 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 13:20:07,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 13:20:07,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 13:20:07,659 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 13:20:07,660 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 13:20:07,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 13:20:07,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 13:20:07,664 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 13:20:07,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 13:20:07,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 13:20:07,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 13:20:07,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 13:20:07,672 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 13:20:07,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 13:20:07,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 13:20:07,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 13:20:07,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 13:20:07,676 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 13:20:07,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 13:20:07,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 13:20:07,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 13:20:07,682 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 13:20:07,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 13:20:07,685 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 13:20:07,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 13:20:07,689 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-25 13:20:07,715 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 13:20:07,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 13:20:07,717 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 13:20:07,718 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 13:20:07,718 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 13:20:07,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 13:20:07,718 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 13:20:07,719 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 13:20:07,719 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 13:20:07,719 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-25 13:20:07,720 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-25 13:20:07,721 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-25 13:20:07,721 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 13:20:07,722 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 13:20:07,722 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 13:20:07,722 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 13:20:07,723 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 13:20:07,723 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 13:20:07,724 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 13:20:07,725 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 13:20:07,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 13:20:07,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 13:20:07,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 13:20:07,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 13:20:07,728 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 13:20:07,729 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 13:20:07,731 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 13:20:07,731 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4308bd7904aec4bec637498669b187d310fac2d [2019-11-25 13:20:08,034 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 13:20:08,047 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 13:20:08,051 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 13:20:08,052 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 13:20:08,053 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 13:20:08,054 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2019-11-25 13:20:08,130 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f73a545b6/4168ad407d2744f6ad85fede1861f902/FLAGc16680d6c [2019-11-25 13:20:08,734 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 13:20:08,734 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test10-2.i [2019-11-25 13:20:08,750 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f73a545b6/4168ad407d2744f6ad85fede1861f902/FLAGc16680d6c [2019-11-25 13:20:09,017 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f73a545b6/4168ad407d2744f6ad85fede1861f902 [2019-11-25 13:20:09,020 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 13:20:09,022 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-25 13:20:09,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 13:20:09,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 13:20:09,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 13:20:09,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:20:09" (1/1) ... [2019-11-25 13:20:09,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1250f41c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:09, skipping insertion in model container [2019-11-25 13:20:09,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:20:09" (1/1) ... [2019-11-25 13:20:09,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 13:20:09,084 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 13:20:09,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 13:20:09,727 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-25 13:20:09,743 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 13:20:09,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 13:20:09,805 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 13:20:09,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 13:20:09,956 INFO L208 MainTranslator]: Completed translation [2019-11-25 13:20:09,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:09 WrapperNode [2019-11-25 13:20:09,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 13:20:09,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 13:20:09,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 13:20:09,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 13:20:09,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:09" (1/1) ... [2019-11-25 13:20:09,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:09" (1/1) ... [2019-11-25 13:20:10,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:09" (1/1) ... [2019-11-25 13:20:10,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:09" (1/1) ... [2019-11-25 13:20:10,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:09" (1/1) ... [2019-11-25 13:20:10,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:09" (1/1) ... [2019-11-25 13:20:10,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:09" (1/1) ... [2019-11-25 13:20:10,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 13:20:10,074 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 13:20:10,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 13:20:10,075 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 13:20:10,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 13:20:10,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-25 13:20:10,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 13:20:10,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-25 13:20:10,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-25 13:20:10,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-25 13:20:10,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-25 13:20:10,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-25 13:20:10,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-25 13:20:10,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-25 13:20:10,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-25 13:20:10,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-25 13:20:10,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-25 13:20:10,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-25 13:20:10,139 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-25 13:20:10,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-25 13:20:10,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-25 13:20:10,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-25 13:20:10,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-25 13:20:10,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-25 13:20:10,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-25 13:20:10,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-25 13:20:10,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-25 13:20:10,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-25 13:20:10,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-25 13:20:10,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-25 13:20:10,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-25 13:20:10,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-25 13:20:10,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-25 13:20:10,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-25 13:20:10,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-25 13:20:10,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-25 13:20:10,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-25 13:20:10,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-25 13:20:10,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-25 13:20:10,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-25 13:20:10,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-25 13:20:10,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-25 13:20:10,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-25 13:20:10,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-25 13:20:10,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-25 13:20:10,146 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-25 13:20:10,146 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-25 13:20:10,146 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_10 [2019-11-25 13:20:10,146 INFO L138 BoogieDeclarations]: Found implementation of procedure free_10 [2019-11-25 13:20:10,146 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-25 13:20:10,147 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-25 13:20:10,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-25 13:20:10,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-25 13:20:10,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-25 13:20:10,147 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-25 13:20:10,148 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-25 13:20:10,148 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-25 13:20:10,148 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-25 13:20:10,148 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-25 13:20:10,149 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-25 13:20:10,149 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-25 13:20:10,149 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-25 13:20:10,149 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-25 13:20:10,149 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-25 13:20:10,150 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-25 13:20:10,150 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-25 13:20:10,150 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-25 13:20:10,150 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-25 13:20:10,150 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-25 13:20:10,151 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-25 13:20:10,151 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-25 13:20:10,151 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-25 13:20:10,151 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-25 13:20:10,151 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-25 13:20:10,152 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-25 13:20:10,152 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-25 13:20:10,152 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-25 13:20:10,152 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-25 13:20:10,153 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-25 13:20:10,153 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-25 13:20:10,153 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-25 13:20:10,153 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-25 13:20:10,153 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-25 13:20:10,154 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-25 13:20:10,154 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-25 13:20:10,154 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-25 13:20:10,154 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-25 13:20:10,154 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-25 13:20:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-25 13:20:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-25 13:20:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-25 13:20:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-25 13:20:10,155 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-25 13:20:10,156 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-25 13:20:10,156 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-25 13:20:10,156 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-25 13:20:10,156 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-25 13:20:10,156 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-25 13:20:10,156 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-25 13:20:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-25 13:20:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-25 13:20:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-25 13:20:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-25 13:20:10,157 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-25 13:20:10,158 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-25 13:20:10,158 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-25 13:20:10,158 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-25 13:20:10,158 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-25 13:20:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-25 13:20:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-25 13:20:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-25 13:20:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-25 13:20:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-25 13:20:10,159 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-25 13:20:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-25 13:20:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-25 13:20:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-25 13:20:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-25 13:20:10,160 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-25 13:20:10,161 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-25 13:20:10,161 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-25 13:20:10,161 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-25 13:20:10,161 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-25 13:20:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-25 13:20:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-25 13:20:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-25 13:20:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-25 13:20:10,162 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-25 13:20:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-25 13:20:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-25 13:20:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-25 13:20:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-25 13:20:10,163 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-25 13:20:10,164 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-25 13:20:10,164 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-25 13:20:10,164 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-25 13:20:10,164 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-25 13:20:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-25 13:20:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-25 13:20:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-25 13:20:10,165 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-25 13:20:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-25 13:20:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-25 13:20:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-25 13:20:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-25 13:20:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-25 13:20:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-25 13:20:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-25 13:20:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-25 13:20:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-25 13:20:10,168 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-25 13:20:10,168 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-25 13:20:10,168 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-25 13:20:10,168 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-25 13:20:10,169 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-25 13:20:10,169 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-25 13:20:10,169 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-25 13:20:10,169 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-25 13:20:10,170 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-25 13:20:10,170 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-25 13:20:10,170 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-25 13:20:10,170 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-25 13:20:10,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-25 13:20:10,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-25 13:20:10,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-25 13:20:10,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-25 13:20:10,171 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-25 13:20:10,172 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-25 13:20:10,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-25 13:20:10,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-25 13:20:10,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-25 13:20:10,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-25 13:20:10,173 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-25 13:20:10,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-25 13:20:10,173 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-25 13:20:10,173 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-25 13:20:10,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-25 13:20:10,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-25 13:20:10,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-25 13:20:10,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-25 13:20:10,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-25 13:20:10,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-25 13:20:10,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-25 13:20:10,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-25 13:20:10,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 13:20:10,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-25 13:20:10,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-25 13:20:10,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-25 13:20:10,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-25 13:20:10,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-25 13:20:10,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-25 13:20:10,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-25 13:20:10,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-25 13:20:10,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-25 13:20:10,177 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-25 13:20:10,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-25 13:20:10,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-25 13:20:10,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-25 13:20:10,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-25 13:20:10,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-25 13:20:10,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-25 13:20:10,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-25 13:20:10,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-25 13:20:10,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-25 13:20:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-25 13:20:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-25 13:20:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-25 13:20:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-25 13:20:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-25 13:20:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_10 [2019-11-25 13:20:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure free_10 [2019-11-25 13:20:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-25 13:20:10,181 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-25 13:20:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-25 13:20:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 13:20:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-25 13:20:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 13:20:10,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-25 13:20:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-25 13:20:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-25 13:20:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-25 13:20:10,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-25 13:20:10,869 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 13:20:11,307 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 13:20:11,915 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 13:20:11,915 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-25 13:20:11,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:20:11 BoogieIcfgContainer [2019-11-25 13:20:11,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 13:20:11,920 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 13:20:11,920 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 13:20:11,924 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 13:20:11,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 01:20:09" (1/3) ... [2019-11-25 13:20:11,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d389d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 01:20:11, skipping insertion in model container [2019-11-25 13:20:11,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:20:09" (2/3) ... [2019-11-25 13:20:11,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d389d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 01:20:11, skipping insertion in model container [2019-11-25 13:20:11,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:20:11" (3/3) ... [2019-11-25 13:20:11,927 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test10-2.i [2019-11-25 13:20:11,938 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 13:20:11,947 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 113 error locations. [2019-11-25 13:20:11,960 INFO L249 AbstractCegarLoop]: Starting to check reachability of 113 error locations. [2019-11-25 13:20:11,984 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 13:20:11,985 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-25 13:20:11,985 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 13:20:11,985 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 13:20:11,985 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 13:20:11,986 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 13:20:11,986 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 13:20:11,986 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 13:20:12,018 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2019-11-25 13:20:12,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-25 13:20:12,031 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:20:12,033 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 13:20:12,034 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:20:12,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:20:12,041 INFO L82 PathProgramCache]: Analyzing trace with hash 307732063, now seen corresponding path program 1 times [2019-11-25 13:20:12,056 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:20:12,057 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2144104397] [2019-11-25 13:20:12,057 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-25 13:20:12,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:20:12,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 13:20:12,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:20:12,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:20:12,383 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:20:12,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:20:12,493 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2144104397] [2019-11-25 13:20:12,493 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:20:12,495 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-25 13:20:12,496 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107209525] [2019-11-25 13:20:12,503 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 13:20:12,503 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:20:12,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 13:20:12,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 13:20:12,522 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 5 states. [2019-11-25 13:20:12,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:20:12,839 INFO L93 Difference]: Finished difference Result 163 states and 181 transitions. [2019-11-25 13:20:12,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 13:20:12,847 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-25 13:20:12,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:20:12,865 INFO L225 Difference]: With dead ends: 163 [2019-11-25 13:20:12,865 INFO L226 Difference]: Without dead ends: 160 [2019-11-25 13:20:12,868 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 13:20:12,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2019-11-25 13:20:12,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 106. [2019-11-25 13:20:12,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-11-25 13:20:12,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 115 transitions. [2019-11-25 13:20:12,936 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 115 transitions. Word has length 16 [2019-11-25 13:20:12,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:20:12,937 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 115 transitions. [2019-11-25 13:20:12,937 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 13:20:12,937 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 115 transitions. [2019-11-25 13:20:12,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-25 13:20:12,938 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:20:12,939 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 13:20:13,159 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-25 13:20:13,160 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:20:13,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:20:13,161 INFO L82 PathProgramCache]: Analyzing trace with hash 2050542398, now seen corresponding path program 1 times [2019-11-25 13:20:13,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:20:13,162 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1029567628] [2019-11-25 13:20:13,162 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-25 13:20:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:20:13,292 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 13:20:13,294 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:20:13,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:20:13,307 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:20:13,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:20:13,366 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1029567628] [2019-11-25 13:20:13,366 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:20:13,366 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-25 13:20:13,367 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831916972] [2019-11-25 13:20:13,369 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 13:20:13,369 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:20:13,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 13:20:13,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 13:20:13,372 INFO L87 Difference]: Start difference. First operand 106 states and 115 transitions. Second operand 3 states. [2019-11-25 13:20:13,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:20:13,680 INFO L93 Difference]: Finished difference Result 156 states and 173 transitions. [2019-11-25 13:20:13,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 13:20:13,680 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-11-25 13:20:13,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:20:13,682 INFO L225 Difference]: With dead ends: 156 [2019-11-25 13:20:13,683 INFO L226 Difference]: Without dead ends: 153 [2019-11-25 13:20:13,683 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 13:20:13,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-11-25 13:20:13,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 102. [2019-11-25 13:20:13,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2019-11-25 13:20:13,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 107 transitions. [2019-11-25 13:20:13,698 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 107 transitions. Word has length 16 [2019-11-25 13:20:13,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:20:13,698 INFO L462 AbstractCegarLoop]: Abstraction has 102 states and 107 transitions. [2019-11-25 13:20:13,698 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 13:20:13,698 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 107 transitions. [2019-11-25 13:20:13,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-25 13:20:13,699 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:20:13,699 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 13:20:13,905 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-25 13:20:13,907 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:20:13,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:20:13,908 INFO L82 PathProgramCache]: Analyzing trace with hash 503598229, now seen corresponding path program 1 times [2019-11-25 13:20:13,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:20:13,909 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1169998748] [2019-11-25 13:20:13,909 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-25 13:20:14,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:20:14,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-25 13:20:14,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:20:14,082 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-25 13:20:14,083 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:20:14,087 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:20:14,088 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:20:14,088 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-25 13:20:14,196 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:20:14,196 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2019-11-25 13:20:14,198 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:20:14,215 INFO L588 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-11-25 13:20:14,216 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-25 13:20:14,217 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2019-11-25 13:20:14,248 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:20:14,249 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:20:18,662 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:20:18,663 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1169998748] [2019-11-25 13:20:18,663 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 13:20:18,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-11-25 13:20:18,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248997504] [2019-11-25 13:20:18,664 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-25 13:20:18,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:20:18,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-25 13:20:18,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=123, Unknown=1, NotChecked=0, Total=156 [2019-11-25 13:20:18,666 INFO L87 Difference]: Start difference. First operand 102 states and 107 transitions. Second operand 13 states. [2019-11-25 13:20:58,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:20:58,543 INFO L93 Difference]: Finished difference Result 216 states and 249 transitions. [2019-11-25 13:20:58,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-25 13:20:58,544 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 19 [2019-11-25 13:20:58,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:20:58,551 INFO L225 Difference]: With dead ends: 216 [2019-11-25 13:20:58,552 INFO L226 Difference]: Without dead ends: 216 [2019-11-25 13:20:58,552 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=84, Invalid=295, Unknown=1, NotChecked=0, Total=380 [2019-11-25 13:20:58,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2019-11-25 13:20:58,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 119. [2019-11-25 13:20:58,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-11-25 13:20:58,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 142 transitions. [2019-11-25 13:20:58,577 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 142 transitions. Word has length 19 [2019-11-25 13:20:58,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:20:58,577 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 142 transitions. [2019-11-25 13:20:58,577 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-25 13:20:58,578 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 142 transitions. [2019-11-25 13:20:58,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-25 13:20:58,579 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:20:58,579 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 13:20:58,779 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-25 13:20:58,780 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:20:58,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:20:58,781 INFO L82 PathProgramCache]: Analyzing trace with hash 503598230, now seen corresponding path program 1 times [2019-11-25 13:20:58,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:20:58,782 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [595415956] [2019-11-25 13:20:58,782 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-25 13:20:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:20:58,901 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-25 13:20:58,903 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:20:58,927 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-25 13:20:58,928 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:20:58,942 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:20:58,947 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-25 13:20:58,948 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 13:20:58,959 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:20:58,960 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:20:58,960 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-25 13:21:01,127 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-25 13:21:01,129 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-11-25 13:21:01,130 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:21:01,170 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:21:01,180 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:21:01,181 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2019-11-25 13:21:01,182 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 13:21:01,196 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:21:01,197 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:21:01,198 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:27, output treesize:11 [2019-11-25 13:21:01,229 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:21:01,229 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:21:01,356 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 13:21:01,563 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 13:21:01,563 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 13:21:01,566 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 13:21:04,667 WARN L192 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2019-11-25 13:21:04,674 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 13:21:07,776 INFO L404 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-25 13:21:07,785 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-25 13:21:07,786 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:21:07,797 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:21:07,800 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-25 13:21:07,800 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 13:21:07,811 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:21:07,812 INFO L508 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:21:07,812 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:25, output treesize:8 [2019-11-25 13:21:07,912 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:21:07,913 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [595415956] [2019-11-25 13:21:07,913 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 13:21:07,913 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2019-11-25 13:21:07,914 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962208277] [2019-11-25 13:21:07,914 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-25 13:21:07,915 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:21:07,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-25 13:21:07,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=199, Unknown=4, NotChecked=0, Total=240 [2019-11-25 13:21:07,916 INFO L87 Difference]: Start difference. First operand 119 states and 142 transitions. Second operand 16 states. [2019-11-25 13:21:31,300 WARN L192 SmtUtils]: Spent 4.74 s on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-11-25 13:21:42,683 WARN L192 SmtUtils]: Spent 6.47 s on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2019-11-25 13:22:19,556 WARN L192 SmtUtils]: Spent 4.12 s on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2019-11-25 13:22:38,202 WARN L192 SmtUtils]: Spent 10.25 s on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2019-11-25 13:23:18,246 WARN L192 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 40 DAG size of output: 16 [2019-11-25 13:24:57,602 WARN L192 SmtUtils]: Spent 8.54 s on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2019-11-25 13:27:04,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:27:04,851 INFO L93 Difference]: Finished difference Result 288 states and 328 transitions. [2019-11-25 13:27:04,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-11-25 13:27:04,852 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 19 [2019-11-25 13:27:04,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:27:04,854 INFO L225 Difference]: With dead ends: 288 [2019-11-25 13:27:04,854 INFO L226 Difference]: Without dead ends: 288 [2019-11-25 13:27:04,855 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 21 SyntacticMatches, 5 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 78.6s TimeCoverageRelationStatistics Valid=176, Invalid=805, Unknown=11, NotChecked=0, Total=992 [2019-11-25 13:27:04,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2019-11-25 13:27:04,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 138. [2019-11-25 13:27:04,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-11-25 13:27:04,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 177 transitions. [2019-11-25 13:27:04,871 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 177 transitions. Word has length 19 [2019-11-25 13:27:04,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:27:04,871 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 177 transitions. [2019-11-25 13:27:04,871 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-25 13:27:04,871 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 177 transitions. [2019-11-25 13:27:04,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-25 13:27:04,872 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:27:04,873 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 13:27:05,073 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-25 13:27:05,074 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:27:05,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:27:05,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1293353130, now seen corresponding path program 1 times [2019-11-25 13:27:05,075 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:27:05,076 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1860604724] [2019-11-25 13:27:05,076 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-25 13:27:05,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:27:05,200 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-25 13:27:05,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:27:05,243 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:27:05,243 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:27:05,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-25 13:27:05,287 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1860604724] [2019-11-25 13:27:05,287 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-25 13:27:05,287 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2019-11-25 13:27:05,288 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396015928] [2019-11-25 13:27:05,288 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 13:27:05,288 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:27:05,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 13:27:05,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 13:27:05,290 INFO L87 Difference]: Start difference. First operand 138 states and 177 transitions. Second operand 5 states. [2019-11-25 13:27:05,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:27:05,342 INFO L93 Difference]: Finished difference Result 99 states and 107 transitions. [2019-11-25 13:27:05,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 13:27:05,342 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2019-11-25 13:27:05,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:27:05,345 INFO L225 Difference]: With dead ends: 99 [2019-11-25 13:27:05,346 INFO L226 Difference]: Without dead ends: 97 [2019-11-25 13:27:05,346 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 13:27:05,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2019-11-25 13:27:05,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2019-11-25 13:27:05,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-11-25 13:27:05,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 105 transitions. [2019-11-25 13:27:05,365 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 105 transitions. Word has length 19 [2019-11-25 13:27:05,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:27:05,366 INFO L462 AbstractCegarLoop]: Abstraction has 97 states and 105 transitions. [2019-11-25 13:27:05,366 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 13:27:05,366 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 105 transitions. [2019-11-25 13:27:05,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-25 13:27:05,368 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:27:05,369 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 13:27:05,582 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-25 13:27:05,582 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:27:05,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:27:05,583 INFO L82 PathProgramCache]: Analyzing trace with hash -943570788, now seen corresponding path program 1 times [2019-11-25 13:27:05,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:27:05,583 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [200627917] [2019-11-25 13:27:05,583 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-11-25 13:27:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:27:05,727 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 13:27:05,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:27:05,750 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-25 13:27:05,751 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:27:05,757 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:27:05,758 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:27:05,758 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:8 [2019-11-25 13:27:05,778 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2019-11-25 13:27:05,779 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:27:05,785 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:27:05,785 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:27:05,785 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:16, output treesize:4 [2019-11-25 13:27:05,825 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-25 13:27:05,825 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:27:05,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-25 13:27:05,866 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [200627917] [2019-11-25 13:27:05,866 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 13:27:05,866 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2019-11-25 13:27:05,867 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361199687] [2019-11-25 13:27:05,867 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 13:27:05,868 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:27:05,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 13:27:05,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-25 13:27:05,868 INFO L87 Difference]: Start difference. First operand 97 states and 105 transitions. Second operand 6 states. [2019-11-25 13:27:06,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:27:06,069 INFO L93 Difference]: Finished difference Result 106 states and 116 transitions. [2019-11-25 13:27:06,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 13:27:06,069 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-11-25 13:27:06,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:27:06,070 INFO L225 Difference]: With dead ends: 106 [2019-11-25 13:27:06,070 INFO L226 Difference]: Without dead ends: 106 [2019-11-25 13:27:06,071 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-25 13:27:06,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-11-25 13:27:06,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 101. [2019-11-25 13:27:06,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-11-25 13:27:06,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 109 transitions. [2019-11-25 13:27:06,077 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 109 transitions. Word has length 24 [2019-11-25 13:27:06,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:27:06,077 INFO L462 AbstractCegarLoop]: Abstraction has 101 states and 109 transitions. [2019-11-25 13:27:06,077 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 13:27:06,077 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 109 transitions. [2019-11-25 13:27:06,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-25 13:27:06,078 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:27:06,078 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 13:27:06,287 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-25 13:27:06,288 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:27:06,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:27:06,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1543942045, now seen corresponding path program 1 times [2019-11-25 13:27:06,289 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:27:06,289 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1968383318] [2019-11-25 13:27:06,289 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-11-25 13:27:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:27:06,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-25 13:27:06,415 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:27:06,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 13:27:06,565 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:27:06,677 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-25 13:27:06,677 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1968383318] [2019-11-25 13:27:06,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 13:27:06,678 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 9 [2019-11-25 13:27:06,678 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215944525] [2019-11-25 13:27:06,679 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-25 13:27:06,679 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:27:06,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-25 13:27:06,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2019-11-25 13:27:06,679 INFO L87 Difference]: Start difference. First operand 101 states and 109 transitions. Second operand 10 states. [2019-11-25 13:27:07,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:27:07,012 INFO L93 Difference]: Finished difference Result 104 states and 111 transitions. [2019-11-25 13:27:07,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-25 13:27:07,013 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 24 [2019-11-25 13:27:07,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:27:07,014 INFO L225 Difference]: With dead ends: 104 [2019-11-25 13:27:07,014 INFO L226 Difference]: Without dead ends: 102 [2019-11-25 13:27:07,015 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2019-11-25 13:27:07,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2019-11-25 13:27:07,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2019-11-25 13:27:07,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2019-11-25 13:27:07,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 109 transitions. [2019-11-25 13:27:07,027 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 109 transitions. Word has length 24 [2019-11-25 13:27:07,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:27:07,029 INFO L462 AbstractCegarLoop]: Abstraction has 102 states and 109 transitions. [2019-11-25 13:27:07,030 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-25 13:27:07,030 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 109 transitions. [2019-11-25 13:27:07,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-25 13:27:07,031 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:27:07,032 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 13:27:07,251 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-11-25 13:27:07,251 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:27:07,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:27:07,252 INFO L82 PathProgramCache]: Analyzing trace with hash 304570972, now seen corresponding path program 1 times [2019-11-25 13:27:07,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:27:07,252 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2099660268] [2019-11-25 13:27:07,252 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-11-25 13:27:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:27:07,391 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-25 13:27:07,393 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:27:07,398 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-25 13:27:07,398 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:27:07,399 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:27:07,400 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:27:07,400 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-25 13:27:07,421 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-11-25 13:27:07,422 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:27:07,428 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:27:07,429 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:27:07,429 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:11 [2019-11-25 13:27:07,448 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2019-11-25 13:27:07,449 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:27:07,451 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:27:07,451 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:27:07,451 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:7 [2019-11-25 13:27:07,511 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:27:07,512 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 41 [2019-11-25 13:27:07,513 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:27:07,534 INFO L588 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-11-25 13:27:07,535 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-25 13:27:07,535 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:15 [2019-11-25 13:27:07,560 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-25 13:27:07,560 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:27:09,906 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-25 13:27:09,906 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2099660268] [2019-11-25 13:27:09,907 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 13:27:09,907 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2019-11-25 13:27:09,907 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449449073] [2019-11-25 13:27:09,907 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-25 13:27:09,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:27:09,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-25 13:27:09,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=172, Unknown=1, NotChecked=0, Total=210 [2019-11-25 13:27:09,908 INFO L87 Difference]: Start difference. First operand 102 states and 109 transitions. Second operand 15 states. [2019-11-25 13:27:50,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:27:50,933 INFO L93 Difference]: Finished difference Result 147 states and 164 transitions. [2019-11-25 13:27:50,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-25 13:27:50,934 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 29 [2019-11-25 13:27:50,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:27:50,936 INFO L225 Difference]: With dead ends: 147 [2019-11-25 13:27:50,936 INFO L226 Difference]: Without dead ends: 147 [2019-11-25 13:27:50,937 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=90, Invalid=371, Unknown=1, NotChecked=0, Total=462 [2019-11-25 13:27:50,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2019-11-25 13:27:50,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 105. [2019-11-25 13:27:50,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-11-25 13:27:50,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 115 transitions. [2019-11-25 13:27:50,943 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 115 transitions. Word has length 29 [2019-11-25 13:27:50,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:27:50,944 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 115 transitions. [2019-11-25 13:27:50,944 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-25 13:27:50,944 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 115 transitions. [2019-11-25 13:27:50,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-25 13:27:50,945 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:27:50,945 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 13:27:51,156 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-11-25 13:27:51,156 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:27:51,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:27:51,157 INFO L82 PathProgramCache]: Analyzing trace with hash 304570973, now seen corresponding path program 1 times [2019-11-25 13:27:51,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:27:51,157 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1816761906] [2019-11-25 13:27:51,157 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-11-25 13:27:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:27:51,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 20 conjunts are in the unsatisfiable core [2019-11-25 13:27:51,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:27:51,323 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-25 13:27:51,323 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:27:51,333 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:27:51,337 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-25 13:27:51,338 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 13:27:51,345 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:27:51,345 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:27:51,345 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2019-11-25 13:27:51,382 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-11-25 13:27:51,382 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:27:51,395 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:27:51,400 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-11-25 13:27:51,401 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 13:27:51,411 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:27:51,412 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:27:51,414 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:37, output treesize:28 [2019-11-25 13:27:51,449 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2019-11-25 13:27:51,450 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:27:51,464 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:27:51,466 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-11-25 13:27:51,467 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 13:27:51,474 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:27:51,475 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:27:51,475 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:42, output treesize:16 [2019-11-25 13:27:53,555 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-25 13:27:53,557 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2019-11-25 13:27:53,557 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:27:53,570 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:27:53,586 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:27:53,586 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2019-11-25 13:27:53,587 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 13:27:53,598 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:27:53,599 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:27:53,599 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:27, output treesize:9 [2019-11-25 13:27:53,622 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-25 13:27:53,622 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:27:53,732 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 13:27:53,873 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 13:27:53,873 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 13:27:53,874 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 13:27:56,310 WARN L192 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2019-11-25 13:27:56,314 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 13:27:57,255 INFO L404 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2019-11-25 13:27:57,262 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2019-11-25 13:27:57,263 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:27:57,274 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:27:57,276 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-25 13:27:57,276 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 13:27:57,287 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:27:57,288 INFO L508 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:27:57,288 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:25, output treesize:8 [2019-11-25 13:27:57,427 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-25 13:27:57,428 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1816761906] [2019-11-25 13:27:57,428 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 13:27:57,428 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2019-11-25 13:27:57,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725934861] [2019-11-25 13:27:57,429 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-25 13:27:57,429 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:27:57,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-25 13:27:57,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=262, Unknown=2, NotChecked=0, Total=306 [2019-11-25 13:27:57,430 INFO L87 Difference]: Start difference. First operand 105 states and 115 transitions. Second operand 18 states. [2019-11-25 13:28:14,367 WARN L192 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 51 [2019-11-25 13:28:25,812 WARN L192 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2019-11-25 13:28:47,678 WARN L192 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 37 DAG size of output: 12 [2019-11-25 13:29:09,628 WARN L192 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 40 DAG size of output: 16 [2019-11-25 13:29:37,116 WARN L192 SmtUtils]: Spent 4.11 s on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2019-11-25 13:30:56,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:30:56,719 INFO L93 Difference]: Finished difference Result 154 states and 168 transitions. [2019-11-25 13:30:56,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-25 13:30:56,719 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 29 [2019-11-25 13:30:56,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:30:56,722 INFO L225 Difference]: With dead ends: 154 [2019-11-25 13:30:56,722 INFO L226 Difference]: Without dead ends: 154 [2019-11-25 13:30:56,723 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 40.9s TimeCoverageRelationStatistics Valid=150, Invalid=893, Unknown=13, NotChecked=0, Total=1056 [2019-11-25 13:30:56,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2019-11-25 13:30:56,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 106. [2019-11-25 13:30:56,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-11-25 13:30:56,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 116 transitions. [2019-11-25 13:30:56,728 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 116 transitions. Word has length 29 [2019-11-25 13:30:56,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:30:56,729 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 116 transitions. [2019-11-25 13:30:56,729 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-25 13:30:56,729 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 116 transitions. [2019-11-25 13:30:56,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-25 13:30:56,730 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:30:56,731 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 13:30:56,941 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-11-25 13:30:56,942 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:30:56,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:30:56,943 INFO L82 PathProgramCache]: Analyzing trace with hash 304600764, now seen corresponding path program 1 times [2019-11-25 13:30:56,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:30:56,944 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1121301782] [2019-11-25 13:30:56,944 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2019-11-25 13:30:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:30:57,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-25 13:30:57,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:30:57,093 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-11-25 13:30:57,093 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:30:57,098 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:30:57,099 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:30:57,099 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-11-25 13:30:57,128 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-11-25 13:30:57,129 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:30:57,143 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:30:57,147 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-11-25 13:30:57,148 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 13:30:57,156 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:30:57,157 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:30:57,157 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:28, output treesize:19 [2019-11-25 13:30:57,188 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2019-11-25 13:30:57,189 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 13:30:57,207 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:30:57,210 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-11-25 13:30:57,210 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-25 13:30:57,219 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 13:30:57,219 INFO L508 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-25 13:30:57,219 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:33, output treesize:9 [2019-11-25 13:30:57,258 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-25 13:30:57,258 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:30:57,321 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 13:30:57,721 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-25 13:30:57,721 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1121301782] [2019-11-25 13:30:57,721 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 13:30:57,721 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2019-11-25 13:30:57,721 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187595856] [2019-11-25 13:30:57,722 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-25 13:30:57,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 13:30:57,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-25 13:30:57,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2019-11-25 13:30:57,722 INFO L87 Difference]: Start difference. First operand 106 states and 116 transitions. Second operand 14 states. [2019-11-25 13:30:59,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 13:30:59,577 INFO L93 Difference]: Finished difference Result 115 states and 125 transitions. [2019-11-25 13:30:59,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-25 13:30:59,578 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 29 [2019-11-25 13:30:59,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 13:30:59,579 INFO L225 Difference]: With dead ends: 115 [2019-11-25 13:30:59,579 INFO L226 Difference]: Without dead ends: 115 [2019-11-25 13:30:59,580 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2019-11-25 13:30:59,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-11-25 13:30:59,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 105. [2019-11-25 13:30:59,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-11-25 13:30:59,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 114 transitions. [2019-11-25 13:30:59,584 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 114 transitions. Word has length 29 [2019-11-25 13:30:59,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 13:30:59,584 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 114 transitions. [2019-11-25 13:30:59,584 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-25 13:30:59,584 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 114 transitions. [2019-11-25 13:30:59,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-25 13:30:59,585 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 13:30:59,585 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 13:30:59,792 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2019-11-25 13:30:59,793 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, alloc_10Err2REQUIRES_VIOLATION, alloc_10Err3REQUIRES_VIOLATION, alloc_10Err4REQUIRES_VIOLATION, alloc_10Err5REQUIRES_VIOLATION, alloc_10Err0REQUIRES_VIOLATION, alloc_10Err1REQUIRES_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, free_10Err4REQUIRES_VIOLATION, free_10Err3REQUIRES_VIOLATION, free_10Err2REQUIRES_VIOLATION, free_10Err1REQUIRES_VIOLATION, free_10Err0REQUIRES_VIOLATION, free_10Err8ASSERT_VIOLATIONMEMORY_FREE, free_10Err6ASSERT_VIOLATIONMEMORY_FREE, free_10Err7ASSERT_VIOLATIONMEMORY_FREE, free_10Err5REQUIRES_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_pointErr18ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr11REQUIRES_VIOLATION, entry_pointErr10REQUIRES_VIOLATION, entry_pointErr12REQUIRES_VIOLATION, entry_pointErr25ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr13REQUIRES_VIOLATION, entry_pointErr15REQUIRES_VIOLATION, entry_pointErr14REQUIRES_VIOLATION, entry_pointErr5REQUIRES_VIOLATION, entry_pointErr22ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr7REQUIRES_VIOLATION, entry_pointErr6REQUIRES_VIOLATION, entry_pointErr8REQUIRES_VIOLATION, entry_pointErr16ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr9REQUIRES_VIOLATION, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr26ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr24ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr3REQUIRES_VIOLATION, entry_pointErr2REQUIRES_VIOLATION, entry_pointErr4REQUIRES_VIOLATION, entry_pointErr23ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr19REQUIRES_VIOLATION, entry_pointErr17ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr20REQUIRES_VIOLATION, entry_pointErr21ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-25 13:30:59,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 13:30:59,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1801581997, now seen corresponding path program 1 times [2019-11-25 13:30:59,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 13:30:59,795 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [894664083] [2019-11-25 13:30:59,796 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2019-11-25 13:30:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 13:30:59,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-25 13:30:59,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 13:31:02,004 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-25 13:31:02,004 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 13:31:06,356 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2019-11-25 13:31:06,357 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Alternating quantifiers not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:283) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:264) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:565) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:478) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:351) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-25 13:31:06,364 INFO L168 Benchmark]: Toolchain (without parser) took 657342.80 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 265.3 MB). Free memory was 951.0 MB in the beginning and 1.2 GB in the end (delta: -269.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 13:31:06,364 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 13:31:06,368 INFO L168 Benchmark]: CACSL2BoogieTranslator took 934.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -152.5 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-11-25 13:31:06,369 INFO L168 Benchmark]: Boogie Preprocessor took 116.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-25 13:31:06,369 INFO L168 Benchmark]: RCFGBuilder took 1843.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 973.0 MB in the end (delta: 123.9 MB). Peak memory consumption was 123.9 MB. Max. memory is 11.5 GB. [2019-11-25 13:31:06,369 INFO L168 Benchmark]: TraceAbstraction took 654442.73 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 112.2 MB). Free memory was 973.0 MB in the beginning and 1.2 GB in the end (delta: -247.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 13:31:06,375 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 934.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -152.5 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 116.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1843.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 973.0 MB in the end (delta: 123.9 MB). Peak memory consumption was 123.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 654442.73 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 112.2 MB). Free memory was 973.0 MB in the beginning and 1.2 GB in the end (delta: -247.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Alternating quantifiers not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Alternating quantifiers not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:283) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...