./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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_test21-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 702f633b7e7ff05b6cbb070b8858a8adcd841273 ............................................................................................................................. 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 -Xmx15G -Xms4m -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_test21-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 702f633b7e7ff05b6cbb070b8858a8adcd841273 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:02:05,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:02:05,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:02:05,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:02:05,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:02:05,947 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:02:05,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:02:05,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:02:05,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:02:05,958 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:02:05,959 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:02:05,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:02:05,961 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:02:05,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:02:05,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:02:05,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:02:05,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:02:05,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:02:05,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:02:05,977 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:02:05,979 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:02:05,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:02:05,982 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:02:05,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:02:05,997 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:02:05,998 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:02:05,998 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:02:05,999 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:02:05,999 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:02:06,000 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:02:06,002 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:02:06,003 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:02:06,005 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:02:06,006 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:02:06,007 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:02:06,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:02:06,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:02:06,010 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:02:06,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:02:06,011 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:02:06,012 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:02:06,015 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-20 06:02:06,060 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:02:06,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:02:06,062 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:02:06,063 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:02:06,063 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:02:06,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:02:06,064 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 06:02:06,064 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:02:06,064 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:02:06,064 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 06:02:06,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:02:06,066 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:02:06,066 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:02:06,066 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:02:06,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:02:06,067 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:02:06,067 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 06:02:06,067 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:02:06,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:02:06,068 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:02:06,068 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:02:06,069 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:02:06,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:02:06,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:02:06,069 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:02:06,070 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:02:06,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:02:06,070 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:02:06,070 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 702f633b7e7ff05b6cbb070b8858a8adcd841273 [2020-10-20 06:02:06,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:02:06,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:02:06,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:02:06,298 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:02:06,298 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:02:06,299 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i [2020-10-20 06:02:06,368 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/deef7dd4b/b67cc205f79248fb8e031810e1705ba9/FLAG49a309e00 [2020-10-20 06:02:06,894 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:02:06,895 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i [2020-10-20 06:02:06,919 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/deef7dd4b/b67cc205f79248fb8e031810e1705ba9/FLAG49a309e00 [2020-10-20 06:02:07,196 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/deef7dd4b/b67cc205f79248fb8e031810e1705ba9 [2020-10-20 06:02:07,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:02:07,204 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:02:07,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:02:07,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:02:07,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:02:07,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:02:07" (1/1) ... [2020-10-20 06:02:07,216 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a73b901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:02:07, skipping insertion in model container [2020-10-20 06:02:07,216 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:02:07" (1/1) ... [2020-10-20 06:02:07,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:02:07,294 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:02:07,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:02:07,817 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-10-20 06:02:07,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@78631822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:02:07, skipping insertion in model container [2020-10-20 06:02:07,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:02:07,818 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:02:07,821 INFO L168 Benchmark]: Toolchain (without parser) took 619.92 ms. Allocated memory was 34.6 MB in the beginning and 44.0 MB in the end (delta: 9.4 MB). Free memory was 7.5 MB in the beginning and 22.5 MB in the end (delta: -15.0 MB). Peak memory consumption was 7.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:02:07,823 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 34.1 MB. Free memory was 14.2 MB in the beginning and 14.2 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. [2020-10-20 06:02:07,824 INFO L168 Benchmark]: CACSL2BoogieTranslator took 612.85 ms. Allocated memory was 34.6 MB in the beginning and 44.0 MB in the end (delta: 9.4 MB). Free memory was 6.6 MB in the beginning and 22.5 MB in the end (delta: -15.9 MB). Peak memory consumption was 6.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:02:07,826 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 34.1 MB. Free memory was 14.2 MB in the beginning and 14.2 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 612.85 ms. Allocated memory was 34.6 MB in the beginning and 44.0 MB in the end (delta: 9.4 MB). Free memory was 6.6 MB in the beginning and 22.5 MB in the end (delta: -15.9 MB). Peak memory consumption was 6.4 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:02:09,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:02:09,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:02:09,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:02:09,740 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:02:09,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:02:09,754 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:02:09,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:02:09,759 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:02:09,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:02:09,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:02:09,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:02:09,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:02:09,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:02:09,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:02:09,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:02:09,773 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:02:09,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:02:09,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:02:09,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:02:09,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:02:09,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:02:09,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:02:09,798 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:02:09,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:02:09,802 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:02:09,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:02:09,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:02:09,804 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:02:09,805 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:02:09,805 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:02:09,806 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:02:09,807 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:02:09,808 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:02:09,809 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:02:09,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:02:09,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:02:09,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:02:09,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:02:09,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:02:09,813 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:02:09,813 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-20 06:02:09,853 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:02:09,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:02:09,856 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:02:09,856 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:02:09,856 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:02:09,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:02:09,857 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 06:02:09,857 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:02:09,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:02:09,858 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 06:02:09,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:02:09,859 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:02:09,859 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:02:09,860 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:02:09,860 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:02:09,860 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:02:09,861 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 06:02:09,861 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 06:02:09,861 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 06:02:09,861 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:02:09,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:02:09,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:02:09,862 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:02:09,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:02:09,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:02:09,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:02:09,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:02:09,863 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 06:02:09,863 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 06:02:09,864 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:02:09,864 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 06:02:09,864 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 702f633b7e7ff05b6cbb070b8858a8adcd841273 [2020-10-20 06:02:10,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:02:10,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:02:10,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:02:10,093 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:02:10,093 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:02:10,094 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i [2020-10-20 06:02:10,159 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/605e5d8cd/a982759884f14d6a998fb73de70c4399/FLAGcadb3561a [2020-10-20 06:02:10,664 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:02:10,665 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i [2020-10-20 06:02:10,681 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/605e5d8cd/a982759884f14d6a998fb73de70c4399/FLAGcadb3561a [2020-10-20 06:02:10,981 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/605e5d8cd/a982759884f14d6a998fb73de70c4399 [2020-10-20 06:02:10,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:02:10,989 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:02:10,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:02:10,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:02:10,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:02:10,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:02:10" (1/1) ... [2020-10-20 06:02:11,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69131aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:02:10, skipping insertion in model container [2020-10-20 06:02:11,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:02:10" (1/1) ... [2020-10-20 06:02:11,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:02:11,076 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:02:11,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:02:11,562 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-10-20 06:02:11,571 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:02:11,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:02:11,658 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:02:11,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:02:11,834 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:02:11,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:02:11 WrapperNode [2020-10-20 06:02:11,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:02:11,838 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:02:11,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:02:11,838 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:02:11,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:02:11" (1/1) ... [2020-10-20 06:02:11,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:02:11" (1/1) ... [2020-10-20 06:02:11,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:02:11" (1/1) ... [2020-10-20 06:02:11,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:02:11" (1/1) ... [2020-10-20 06:02:11,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:02:11" (1/1) ... [2020-10-20 06:02:11,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:02:11" (1/1) ... [2020-10-20 06:02:11,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:02:11" (1/1) ... [2020-10-20 06:02:11,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:02:11,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:02:11,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:02:11,948 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:02:11,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:02:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:02:12,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-20 06:02:12,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:02:12,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-20 06:02:12,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-10-20 06:02:12,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-20 06:02:12,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-20 06:02:12,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-20 06:02:12,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-20 06:02:12,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-20 06:02:12,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-10-20 06:02:12,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-10-20 06:02:12,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-20 06:02:12,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-20 06:02:12,015 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-10-20 06:02:12,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-10-20 06:02:12,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-10-20 06:02:12,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-10-20 06:02:12,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-10-20 06:02:12,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-10-20 06:02:12,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-10-20 06:02:12,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-10-20 06:02:12,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-10-20 06:02:12,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-10-20 06:02:12,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-10-20 06:02:12,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-10-20 06:02:12,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-10-20 06:02:12,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-10-20 06:02:12,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-10-20 06:02:12,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-10-20 06:02:12,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-10-20 06:02:12,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-10-20 06:02:12,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-10-20 06:02:12,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-10-20 06:02:12,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-10-20 06:02:12,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-10-20 06:02:12,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-10-20 06:02:12,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-10-20 06:02:12,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-10-20 06:02:12,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-10-20 06:02:12,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-10-20 06:02:12,031 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-10-20 06:02:12,031 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-10-20 06:02:12,031 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_21 [2020-10-20 06:02:12,031 INFO L138 BoogieDeclarations]: Found implementation of procedure free_21 [2020-10-20 06:02:12,031 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-10-20 06:02:12,032 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-20 06:02:12,032 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-20 06:02:12,032 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-20 06:02:12,032 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-20 06:02:12,032 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-20 06:02:12,032 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-20 06:02:12,032 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-20 06:02:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-20 06:02:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-20 06:02:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-20 06:02:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-20 06:02:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-20 06:02:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-20 06:02:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-20 06:02:12,034 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-20 06:02:12,034 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-20 06:02:12,034 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-20 06:02:12,034 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-20 06:02:12,034 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-20 06:02:12,034 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-20 06:02:12,034 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-20 06:02:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-20 06:02:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-20 06:02:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-20 06:02:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-20 06:02:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-20 06:02:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-20 06:02:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-20 06:02:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-20 06:02:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-20 06:02:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-20 06:02:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-20 06:02:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-20 06:02:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-20 06:02:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-20 06:02:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-20 06:02:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-20 06:02:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-20 06:02:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-20 06:02:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-20 06:02:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-20 06:02:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-20 06:02:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-20 06:02:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-20 06:02:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-20 06:02:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-20 06:02:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-20 06:02:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-20 06:02:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-20 06:02:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-20 06:02:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-20 06:02:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-20 06:02:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-20 06:02:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-20 06:02:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-20 06:02:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-20 06:02:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-20 06:02:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-20 06:02:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-20 06:02:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-20 06:02:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-20 06:02:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-20 06:02:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-20 06:02:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-20 06:02:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-20 06:02:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-20 06:02:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-20 06:02:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-20 06:02:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-20 06:02:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-20 06:02:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-20 06:02:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-20 06:02:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-20 06:02:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-20 06:02:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-20 06:02:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-20 06:02:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-20 06:02:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-20 06:02:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-20 06:02:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-20 06:02:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-20 06:02:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-20 06:02:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-20 06:02:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-20 06:02:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-20 06:02:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-20 06:02:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-20 06:02:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-20 06:02:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-20 06:02:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-20 06:02:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-20 06:02:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-20 06:02:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-20 06:02:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-20 06:02:12,062 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-20 06:02:12,062 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-20 06:02:12,062 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-20 06:02:12,062 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-20 06:02:12,062 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-20 06:02:12,063 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-20 06:02:12,063 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-20 06:02:12,063 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-20 06:02:12,063 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-20 06:02:12,063 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-20 06:02:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-20 06:02:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-20 06:02:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-20 06:02:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-20 06:02:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-20 06:02:12,064 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-20 06:02:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-20 06:02:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-20 06:02:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-20 06:02:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-10-20 06:02:12,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-10-20 06:02:12,066 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-20 06:02:12,066 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-20 06:02:12,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-20 06:02:12,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-20 06:02:12,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-20 06:02:12,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-20 06:02:12,067 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-10-20 06:02:12,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-20 06:02:12,067 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-10-20 06:02:12,067 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-10-20 06:02:12,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-10-20 06:02:12,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-20 06:02:12,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-10-20 06:02:12,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-10-20 06:02:12,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-10-20 06:02:12,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-10-20 06:02:12,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-20 06:02:12,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-10-20 06:02:12,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 06:02:12,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-10-20 06:02:12,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-10-20 06:02:12,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-10-20 06:02:12,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-10-20 06:02:12,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-10-20 06:02:12,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 06:02:12,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 06:02:12,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-10-20 06:02:12,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-10-20 06:02:12,071 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-20 06:02:12,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-10-20 06:02:12,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-10-20 06:02:12,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-10-20 06:02:12,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-10-20 06:02:12,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-10-20 06:02:12,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-10-20 06:02:12,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-10-20 06:02:12,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-10-20 06:02:12,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-10-20 06:02:12,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-10-20 06:02:12,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-10-20 06:02:12,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-20 06:02:12,073 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-10-20 06:02:12,073 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-10-20 06:02:12,073 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_21 [2020-10-20 06:02:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure free_21 [2020-10-20 06:02:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-10-20 06:02:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-20 06:02:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-20 06:02:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:02:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-20 06:02:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:02:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-10-20 06:02:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-10-20 06:02:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-10-20 06:02:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-20 06:02:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-20 06:02:12,696 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:02:13,008 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:02:13,330 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:02:13,331 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-20 06:02:13,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:02:13 BoogieIcfgContainer [2020-10-20 06:02:13,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:02:13,334 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 06:02:13,335 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 06:02:13,338 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 06:02:13,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:02:10" (1/3) ... [2020-10-20 06:02:13,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737e4f4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:02:13, skipping insertion in model container [2020-10-20 06:02:13,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:02:11" (2/3) ... [2020-10-20 06:02:13,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737e4f4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:02:13, skipping insertion in model container [2020-10-20 06:02:13,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:02:13" (3/3) ... [2020-10-20 06:02:13,342 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test21-2.i [2020-10-20 06:02:13,353 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 06:02:13,361 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2020-10-20 06:02:13,374 INFO L253 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2020-10-20 06:02:13,393 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 06:02:13,394 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-20 06:02:13,394 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 06:02:13,394 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:02:13,394 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:02:13,395 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 06:02:13,395 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:02:13,395 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 06:02:13,412 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2020-10-20 06:02:13,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-20 06:02:13,422 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:02:13,423 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:02:13,424 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, 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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:02:13,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:02:13,430 INFO L82 PathProgramCache]: Analyzing trace with hash -1560719066, now seen corresponding path program 1 times [2020-10-20 06:02:13,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:02:13,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1734303117] [2020-10-20 06:02:13,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-20 06:02:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:02:13,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 12 conjunts are in the unsatisfiable core [2020-10-20 06:02:13,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:02:13,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:02:13,804 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:02:13,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:02:13,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1734303117] [2020-10-20 06:02:13,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:02:13,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 10 [2020-10-20 06:02:13,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230292872] [2020-10-20 06:02:13,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-20 06:02:13,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:02:13,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-20 06:02:14,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-10-20 06:02:14,002 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 11 states. [2020-10-20 06:02:14,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:02:14,153 INFO L93 Difference]: Finished difference Result 52 states and 54 transitions. [2020-10-20 06:02:14,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-20 06:02:14,155 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2020-10-20 06:02:14,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:02:14,168 INFO L225 Difference]: With dead ends: 52 [2020-10-20 06:02:14,168 INFO L226 Difference]: Without dead ends: 49 [2020-10-20 06:02:14,170 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 30 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-10-20 06:02:14,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-20 06:02:14,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 43. [2020-10-20 06:02:14,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-20 06:02:14,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2020-10-20 06:02:14,210 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 21 [2020-10-20 06:02:14,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:02:14,211 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2020-10-20 06:02:14,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-20 06:02:14,211 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2020-10-20 06:02:14,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-20 06:02:14,212 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:02:14,212 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:02:14,434 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 06:02:14,435 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, 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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:02:14,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:02:14,435 INFO L82 PathProgramCache]: Analyzing trace with hash 182091269, now seen corresponding path program 1 times [2020-10-20 06:02:14,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:02:14,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1212272484] [2020-10-20 06:02:14,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-20 06:02:14,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:02:14,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 06:02:14,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:02:14,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:02:14,735 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:02:14,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:02:14,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1212272484] [2020-10-20 06:02:14,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:02:14,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-10-20 06:02:14,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706668129] [2020-10-20 06:02:14,815 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 06:02:14,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:02:14,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 06:02:14,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:02:14,816 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand 5 states. [2020-10-20 06:02:14,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:02:14,836 INFO L93 Difference]: Finished difference Result 49 states and 53 transitions. [2020-10-20 06:02:14,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 06:02:14,837 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-10-20 06:02:14,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:02:14,838 INFO L225 Difference]: With dead ends: 49 [2020-10-20 06:02:14,838 INFO L226 Difference]: Without dead ends: 49 [2020-10-20 06:02:14,839 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:02:14,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-20 06:02:14,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 47. [2020-10-20 06:02:14,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-10-20 06:02:14,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 51 transitions. [2020-10-20 06:02:14,850 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 51 transitions. Word has length 21 [2020-10-20 06:02:14,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:02:14,850 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 51 transitions. [2020-10-20 06:02:14,850 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 06:02:14,850 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2020-10-20 06:02:14,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-20 06:02:14,851 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:02:14,851 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:02:15,052 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 06:02:15,053 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, 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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:02:15,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:02:15,054 INFO L82 PathProgramCache]: Analyzing trace with hash 311173988, now seen corresponding path program 1 times [2020-10-20 06:02:15,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:02:15,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1666502052] [2020-10-20 06:02:15,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-20 06:02:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:02:15,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-20 06:02:15,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:02:15,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:02:15,238 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:02:15,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:02:15,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1666502052] [2020-10-20 06:02:15,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:02:15,282 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2020-10-20 06:02:15,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888259639] [2020-10-20 06:02:15,282 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-20 06:02:15,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:02:15,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 06:02:15,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-20 06:02:15,283 INFO L87 Difference]: Start difference. First operand 47 states and 51 transitions. Second operand 7 states. [2020-10-20 06:02:15,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:02:15,333 INFO L93 Difference]: Finished difference Result 45 states and 46 transitions. [2020-10-20 06:02:15,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 06:02:15,333 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2020-10-20 06:02:15,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:02:15,335 INFO L225 Difference]: With dead ends: 45 [2020-10-20 06:02:15,335 INFO L226 Difference]: Without dead ends: 45 [2020-10-20 06:02:15,335 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-20 06:02:15,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-20 06:02:15,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 43. [2020-10-20 06:02:15,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-20 06:02:15,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 44 transitions. [2020-10-20 06:02:15,342 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 44 transitions. Word has length 21 [2020-10-20 06:02:15,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:02:15,342 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 44 transitions. [2020-10-20 06:02:15,342 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-20 06:02:15,342 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2020-10-20 06:02:15,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-20 06:02:15,343 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:02:15,343 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:02:15,563 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-20 06:02:15,563 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, 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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:02:15,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:02:15,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1137650385, now seen corresponding path program 1 times [2020-10-20 06:02:15,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:02:15,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1935922978] [2020-10-20 06:02:15,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-10-20 06:02:15,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:02:15,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-20 06:02:15,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:02:15,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:02:15,922 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:02:16,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:02:16,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1935922978] [2020-10-20 06:02:16,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:02:16,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 10] imperfect sequences [] total 20 [2020-10-20 06:02:16,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307190196] [2020-10-20 06:02:16,381 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-20 06:02:16,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:02:16,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-20 06:02:16,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2020-10-20 06:02:16,382 INFO L87 Difference]: Start difference. First operand 43 states and 44 transitions. Second operand 21 states. [2020-10-20 06:02:17,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:02:17,074 INFO L93 Difference]: Finished difference Result 56 states and 57 transitions. [2020-10-20 06:02:17,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-20 06:02:17,076 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 22 [2020-10-20 06:02:17,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:02:17,077 INFO L225 Difference]: With dead ends: 56 [2020-10-20 06:02:17,078 INFO L226 Difference]: Without dead ends: 56 [2020-10-20 06:02:17,078 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=121, Invalid=635, Unknown=0, NotChecked=0, Total=756 [2020-10-20 06:02:17,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-20 06:02:17,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 42. [2020-10-20 06:02:17,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-20 06:02:17,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2020-10-20 06:02:17,090 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 43 transitions. Word has length 22 [2020-10-20 06:02:17,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:02:17,090 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 43 transitions. [2020-10-20 06:02:17,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-20 06:02:17,090 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2020-10-20 06:02:17,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-20 06:02:17,092 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:02:17,092 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:02:17,304 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-20 06:02:17,305 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, 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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:02:17,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:02:17,306 INFO L82 PathProgramCache]: Analyzing trace with hash -907423160, now seen corresponding path program 1 times [2020-10-20 06:02:17,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:02:17,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1460842122] [2020-10-20 06:02:17,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-10-20 06:02:17,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:02:17,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-20 06:02:17,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:02:17,453 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-10-20 06:02:17,454 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:02:17,457 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:02:17,457 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:02:17,457 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-10-20 06:02:17,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:02:17,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:02:17,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:02:17,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1460842122] [2020-10-20 06:02:17,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:02:17,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 10 [2020-10-20 06:02:17,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320821552] [2020-10-20 06:02:17,674 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-20 06:02:17,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:02:17,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-20 06:02:17,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-10-20 06:02:17,675 INFO L87 Difference]: Start difference. First operand 42 states and 43 transitions. Second operand 11 states. [2020-10-20 06:02:17,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:02:17,873 INFO L93 Difference]: Finished difference Result 51 states and 53 transitions. [2020-10-20 06:02:17,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-20 06:02:17,874 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 23 [2020-10-20 06:02:17,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:02:17,875 INFO L225 Difference]: With dead ends: 51 [2020-10-20 06:02:17,875 INFO L226 Difference]: Without dead ends: 51 [2020-10-20 06:02:17,875 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-10-20 06:02:17,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-20 06:02:17,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-10-20 06:02:17,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-20 06:02:17,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 53 transitions. [2020-10-20 06:02:17,887 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 53 transitions. Word has length 23 [2020-10-20 06:02:17,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:02:17,888 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 53 transitions. [2020-10-20 06:02:17,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-20 06:02:17,888 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 53 transitions. [2020-10-20 06:02:17,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-20 06:02:17,889 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:02:17,889 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:02:18,090 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-10-20 06:02:18,091 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, 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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:02:18,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:02:18,092 INFO L82 PathProgramCache]: Analyzing trace with hash -1412981785, now seen corresponding path program 1 times [2020-10-20 06:02:18,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:02:18,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1336635406] [2020-10-20 06:02:18,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-10-20 06:02:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:02:18,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-20 06:02:18,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:02:18,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:02:18,241 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:02:18,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:02:18,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1336635406] [2020-10-20 06:02:18,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:02:18,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-10-20 06:02:18,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301181202] [2020-10-20 06:02:18,309 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 06:02:18,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:02:18,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 06:02:18,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:02:18,309 INFO L87 Difference]: Start difference. First operand 51 states and 53 transitions. Second operand 5 states. [2020-10-20 06:02:18,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:02:18,324 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2020-10-20 06:02:18,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 06:02:18,325 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-20 06:02:18,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:02:18,326 INFO L225 Difference]: With dead ends: 41 [2020-10-20 06:02:18,326 INFO L226 Difference]: Without dead ends: 41 [2020-10-20 06:02:18,327 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:02:18,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-10-20 06:02:18,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-10-20 06:02:18,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-20 06:02:18,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2020-10-20 06:02:18,332 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 23 [2020-10-20 06:02:18,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:02:18,332 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2020-10-20 06:02:18,332 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 06:02:18,332 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2020-10-20 06:02:18,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-20 06:02:18,333 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:02:18,334 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:02:18,545 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-10-20 06:02:18,545 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, 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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:02:18,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:02:18,546 INFO L82 PathProgramCache]: Analyzing trace with hash -298029978, now seen corresponding path program 1 times [2020-10-20 06:02:18,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:02:18,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1330280308] [2020-10-20 06:02:18,547 INFO L95 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 [2020-10-20 06:02:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:02:18,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-20 06:02:18,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:02:18,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:02:18,679 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:02:18,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:02:18,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1330280308] [2020-10-20 06:02:18,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:02:18,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 06:02:18,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975122275] [2020-10-20 06:02:18,807 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 06:02:18,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:02:18,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:02:18,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:02:18,808 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand 3 states. [2020-10-20 06:02:18,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:02:18,836 INFO L93 Difference]: Finished difference Result 44 states and 43 transitions. [2020-10-20 06:02:18,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:02:18,836 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-10-20 06:02:18,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:02:18,837 INFO L225 Difference]: With dead ends: 44 [2020-10-20 06:02:18,837 INFO L226 Difference]: Without dead ends: 29 [2020-10-20 06:02:18,838 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:02:18,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-20 06:02:18,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-10-20 06:02:18,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-20 06:02:18,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 28 transitions. [2020-10-20 06:02:18,843 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 28 transitions. Word has length 25 [2020-10-20 06:02:18,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:02:18,844 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 28 transitions. [2020-10-20 06:02:18,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 06:02:18,844 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 28 transitions. [2020-10-20 06:02:18,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-20 06:02:18,846 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:02:18,846 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:02:19,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-10-20 06:02:19,048 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, 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, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:02:19,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:02:19,048 INFO L82 PathProgramCache]: Analyzing trace with hash -339267371, now seen corresponding path program 1 times [2020-10-20 06:02:19,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:02:19,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [778688036] [2020-10-20 06:02:19,049 INFO L95 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 [2020-10-20 06:02:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:02:19,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 24 conjunts are in the unsatisfiable core [2020-10-20 06:02:19,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:02:25,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:02:25,442 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:02:31,778 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_entry_point_~dev~0.base_17 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)) (= (select |c_old(#valid)| v_entry_point_~dev~0.base_17) (_ bv0 1)))) (= |v_old(#valid)_BEFORE_CALL_13| |c_#valid|))) is different from false [2020-10-20 06:02:38,010 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-10-20 06:02:38,026 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (= |v_old(#valid)_BEFORE_CALL_13| |c_#valid|) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| |c_free_21_#in~dev.base| (_ bv0 1)) v_prenex_1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_1) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17))))))))) is different from false [2020-10-20 06:02:38,040 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-10-20 06:02:38,062 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-10-20 06:02:38,070 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| |c_free_21_#in~dev.base| (_ bv0 1)) v_prenex_1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_1) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17))))))) (= (store |c_#valid| c_free_21_~p~1.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) is different from false [2020-10-20 06:02:38,083 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-10-20 06:02:38,098 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-10-20 06:02:38,123 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-10-20 06:02:38,132 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| |c_free_21_#in~dev.base| (_ bv0 1)) v_prenex_1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_1) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17))))))) (= (store |c_#valid| c_free_21_~dev.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) is different from false [2020-10-20 06:02:38,137 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| |c_free_21_#in~dev.base| (_ bv0 1)) v_prenex_1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_1) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17))))))) (= (store |c_#valid| c_free_21_~dev.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) is different from true [2020-10-20 06:02:38,150 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-10-20 06:02:38,164 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |c_free_21_#in~dev.base| (_ bv0 1))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| |c_free_21_#in~dev.base| (_ bv0 1)) v_prenex_1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_1) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17))))))))) is different from false [2020-10-20 06:02:38,172 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |c_free_21_#in~dev.base| (_ bv0 1))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| |c_free_21_#in~dev.base| (_ bv0 1)) v_prenex_1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_1) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17))))))))) is different from true [2020-10-20 06:02:38,179 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_entry_point_~dev~0.base_17 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)) (= (select |c_old(#valid)| v_entry_point_~dev~0.base_17) (_ bv0 1)))) (= (store |c_#valid| |c_entry_point_#t~ret39.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) is different from false [2020-10-20 06:02:38,278 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret39.base_42| (_ BitVec 32))) (or (exists ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_entry_point_~dev~0.base_17 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)) (= (select |c_old(#valid)| v_entry_point_~dev~0.base_17) (_ bv0 1)))) (not (= (select |c_#valid| |v_entry_point_#t~ret39.base_42|) (_ bv0 1))) (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |v_entry_point_#t~ret39.base_42| (_ bv0 1))))) is different from false [2020-10-20 06:02:38,292 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-20 06:02:38,296 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_15|]} [2020-10-20 06:02:38,305 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |c_alloc_21_#res.base| (_ bv0 1))) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (exists ((|v_entry_point_#t~ret39.base_42| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_42|) (_ bv0 1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3)))))) is different from false [2020-10-20 06:02:38,311 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |c_alloc_21_#res.base| (_ bv0 1))) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (exists ((|v_entry_point_#t~ret39.base_42| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_42|) (_ bv0 1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3)))))) is different from true [2020-10-20 06:02:38,320 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-20 06:02:38,326 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_15|]} [2020-10-20 06:02:38,337 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-20 06:02:38,341 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_15|]} [2020-10-20 06:02:38,350 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (= (store |c_#valid| c_alloc_21_~p~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (exists ((|v_entry_point_#t~ret39.base_42| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_42|) (_ bv0 1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3)))))) is different from false [2020-10-20 06:02:38,354 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (= (store |c_#valid| c_alloc_21_~p~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (exists ((|v_entry_point_#t~ret39.base_42| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_42|) (_ bv0 1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3)))))) is different from true [2020-10-20 06:02:38,362 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-20 06:02:38,366 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_15|]} [2020-10-20 06:02:38,373 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (= (store |c_#valid| |c_alloc_21_#t~ret38.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (exists ((|v_entry_point_#t~ret39.base_42| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_42|) (_ bv0 1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3)))))) is different from false [2020-10-20 06:02:38,378 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (= (store |c_#valid| |c_alloc_21_#t~ret38.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (exists ((|v_entry_point_#t~ret39.base_42| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_42|) (_ bv0 1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3)))))) is different from true [2020-10-20 06:02:38,431 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-10-20 06:02:38,435 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_15|]} [2020-10-20 06:02:38,447 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1))) (|v_alloc_21_#t~ret38.base_81| (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_alloc_21_#t~ret38.base_81|))) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (exists ((|v_entry_point_#t~ret39.base_42| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_42|) (_ bv0 1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3)))) (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |v_alloc_21_#t~ret38.base_81| (_ bv0 1))))) is different from false [2020-10-20 06:02:38,453 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1))) (|v_alloc_21_#t~ret38.base_81| (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_alloc_21_#t~ret38.base_81|))) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (exists ((|v_entry_point_#t~ret39.base_42| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_42|) (_ bv0 1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3)))) (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |v_alloc_21_#t~ret38.base_81| (_ bv0 1))))) is different from true [2020-10-20 06:02:38,499 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-20 06:02:38,507 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-10-20 06:02:38,510 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_8, v_prenex_5], 5=[v_prenex_6]} [2020-10-20 06:02:38,517 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_16|, |v_old(#valid)_BEFORE_CALL_15|]} [2020-10-20 06:02:38,542 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_16| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (|v_alloc_21_#t~ret38.base_81| (_ BitVec 32)) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (_ bv0 1) (select v_prenex_6 v_prenex_4))))) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret39.base_42| (_ BitVec 32))) (or (exists ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (and (= (_ bv0 1) (select v_prenex_6 v_entry_point_~dev~0.base_17)) (not (= (store v_prenex_6 v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_42|))) (= (store |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3))) (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_21_#t~ret38.base_81|)) (not (= (store |c_old(#valid)| |v_alloc_21_#t~ret38.base_81| (_ bv0 1)) v_prenex_5)))) (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_10 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_10)))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_9))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_9 (_ bv0 1)) v_prenex_8))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| v_prenex_7)) (not (= (store |v_old(#valid)_BEFORE_CALL_16| v_prenex_7 (_ bv0 1)) v_prenex_8)))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) is different from false [2020-10-20 06:02:38,549 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_16| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (|v_alloc_21_#t~ret38.base_81| (_ BitVec 32)) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (_ bv0 1) (select v_prenex_6 v_prenex_4))))) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret39.base_42| (_ BitVec 32))) (or (exists ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (and (= (_ bv0 1) (select v_prenex_6 v_entry_point_~dev~0.base_17)) (not (= (store v_prenex_6 v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_42|))) (= (store |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3))) (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_21_#t~ret38.base_81|)) (not (= (store |c_old(#valid)| |v_alloc_21_#t~ret38.base_81| (_ bv0 1)) v_prenex_5)))) (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_10 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_10)))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_9))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_9 (_ bv0 1)) v_prenex_8))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| v_prenex_7)) (not (= (store |v_old(#valid)_BEFORE_CALL_16| v_prenex_7 (_ bv0 1)) v_prenex_8)))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) is different from true [2020-10-20 06:02:38,579 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-20 06:02:38,587 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-10-20 06:02:38,590 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_8, v_prenex_5], 5=[v_prenex_6]} [2020-10-20 06:02:38,596 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_16|, |v_old(#valid)_BEFORE_CALL_15|]} [2020-10-20 06:02:38,648 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-20 06:02:38,656 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-10-20 06:02:38,659 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_8, v_prenex_5], 5=[v_prenex_6]} [2020-10-20 06:02:38,673 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_16|, |v_old(#valid)_BEFORE_CALL_15|]} [2020-10-20 06:02:38,708 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ldv_malloc_#res.base_69| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_16| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (|v_alloc_21_#t~ret38.base_81| (_ BitVec 32)) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (_ bv0 1) (select v_prenex_6 v_prenex_4))))) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret39.base_42| (_ BitVec 32))) (or (exists ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (and (= (_ bv0 1) (select v_prenex_6 v_entry_point_~dev~0.base_17)) (not (= (store v_prenex_6 v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_42|))) (= (store |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3))) (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_21_#t~ret38.base_81|)) (not (= (store |c_old(#valid)| |v_alloc_21_#t~ret38.base_81| (_ bv0 1)) v_prenex_5)))) (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_10 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_10)))) (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |v_ldv_malloc_#res.base_69| (_ bv0 1))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_9))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_9 (_ bv0 1)) v_prenex_8))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| v_prenex_7)) (not (= (store |v_old(#valid)_BEFORE_CALL_16| v_prenex_7 (_ bv0 1)) v_prenex_8)))) (not (= (select |c_#valid| |v_ldv_malloc_#res.base_69|) (_ bv0 1))))) is different from true [2020-10-20 06:02:38,736 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-10-20 06:02:38,744 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-10-20 06:02:38,748 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_8, v_prenex_5], 5=[v_prenex_6]} [2020-10-20 06:02:38,753 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_16|, |v_old(#valid)_BEFORE_CALL_15|]} [2020-10-20 06:02:38,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:02:38,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [778688036] [2020-10-20 06:02:38,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:02:38,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 17] imperfect sequences [] total 27 [2020-10-20 06:02:38,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993000624] [2020-10-20 06:02:38,785 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-20 06:02:38,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:02:38,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-20 06:02:38,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=166, Unknown=35, NotChecked=494, Total=756 [2020-10-20 06:02:38,787 INFO L87 Difference]: Start difference. First operand 29 states and 28 transitions. Second operand 28 states. [2020-10-20 06:02:47,410 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_#valid| (store |c_old(#valid)| |c_ldv_malloc_#res.base| (_ bv1 1))) (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_16| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (|v_alloc_21_#t~ret38.base_81| (_ BitVec 32)) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (_ bv0 1) (select v_prenex_6 v_prenex_4))))) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret39.base_42| (_ BitVec 32))) (or (exists ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (and (= (_ bv0 1) (select v_prenex_6 v_entry_point_~dev~0.base_17)) (not (= (store v_prenex_6 v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_42|))) (= (store |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3))) (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_21_#t~ret38.base_81|)) (not (= (store |c_old(#valid)| |v_alloc_21_#t~ret38.base_81| (_ bv0 1)) v_prenex_5)))) (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_10 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_10)))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_9))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_9 (_ bv0 1)) v_prenex_8))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| v_prenex_7)) (not (= (store |v_old(#valid)_BEFORE_CALL_16| v_prenex_7 (_ bv0 1)) v_prenex_8)))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) (= (select |c_old(#valid)| |c_ldv_malloc_#res.base|) (_ bv0 1))) is different from false [2020-10-20 06:02:47,416 WARN L860 $PredicateComparison]: unable to prove that (and (= |c_#valid| (store |c_old(#valid)| |c_ldv_malloc_#res.base| (_ bv1 1))) (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_16| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (|v_alloc_21_#t~ret38.base_81| (_ BitVec 32)) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (_ bv0 1) (select v_prenex_6 v_prenex_4))))) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret39.base_42| (_ BitVec 32))) (or (exists ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (and (= (_ bv0 1) (select v_prenex_6 v_entry_point_~dev~0.base_17)) (not (= (store v_prenex_6 v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_42|))) (= (store |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3))) (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_21_#t~ret38.base_81|)) (not (= (store |c_old(#valid)| |v_alloc_21_#t~ret38.base_81| (_ bv0 1)) v_prenex_5)))) (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_10 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_10)))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_9))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_9 (_ bv0 1)) v_prenex_8))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| v_prenex_7)) (not (= (store |v_old(#valid)_BEFORE_CALL_16| v_prenex_7 (_ bv0 1)) v_prenex_8)))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) (= (select |c_old(#valid)| |c_ldv_malloc_#res.base|) (_ bv0 1))) is different from true [2020-10-20 06:02:47,427 WARN L838 $PredicateComparison]: unable to prove that (and (= (select |c_old(#valid)| |c_alloc_21_#t~ret38.base|) (_ bv0 1)) (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (= (store |c_#valid| |c_alloc_21_#t~ret38.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (exists ((|v_entry_point_#t~ret39.base_42| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_42|) (_ bv0 1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3)))))) (= (store |c_old(#valid)| |c_alloc_21_#t~ret38.base| (_ bv1 1)) |c_#valid|)) is different from false [2020-10-20 06:02:47,435 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (= (store |c_#valid| c_alloc_21_~p~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (exists ((|v_entry_point_#t~ret39.base_42| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_42|) (_ bv0 1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3)))))) (= (store |c_old(#valid)| c_alloc_21_~p~0.base (_ bv1 1)) |c_#valid|) (= (_ bv0 1) (select |c_old(#valid)| c_alloc_21_~p~0.base))) is different from false [2020-10-20 06:02:47,443 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |c_alloc_21_#res.base| (_ bv0 1))) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (exists ((|v_entry_point_#t~ret39.base_42| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_42|) (_ bv0 1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3)))))) (= (store |c_old(#valid)| |c_alloc_21_#res.base| (_ bv1 1)) |c_#valid|) (= (select |c_old(#valid)| |c_alloc_21_#res.base|) (_ bv0 1))) is different from false [2020-10-20 06:02:50,045 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_old(#valid)| |c_#valid|) (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |c_free_21_#in~dev.base| (_ bv0 1))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| |c_free_21_#in~dev.base| (_ bv0 1)) v_prenex_1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_1) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17)))))))))) is different from false [2020-10-20 06:02:50,051 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| |c_free_21_#in~dev.base| (_ bv0 1)) v_prenex_1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_1) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17))))))) (= (store |c_#valid| c_free_21_~dev.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) (= |c_old(#valid)| |c_#valid|) (= |c_free_21_#in~dev.base| c_free_21_~dev.base)) is different from false [2020-10-20 06:02:50,058 WARN L838 $PredicateComparison]: unable to prove that (and (= c_free_21_~p~1.base |c_free_21_#in~dev.base|) (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| |c_free_21_#in~dev.base| (_ bv0 1)) v_prenex_1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_1) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17))))))) (= (store |c_#valid| c_free_21_~p~1.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) (= |c_old(#valid)| |c_#valid|)) is different from false [2020-10-20 06:02:50,066 WARN L838 $PredicateComparison]: unable to prove that (and (= (store |c_old(#valid)| |c_free_21_#in~dev.base| (_ bv0 1)) |c_#valid|) (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (= |v_old(#valid)_BEFORE_CALL_13| |c_#valid|) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| |c_free_21_#in~dev.base| (_ bv0 1)) v_prenex_1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_1) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17)))))))))) is different from false [2020-10-20 06:02:54,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:02:54,141 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2020-10-20 06:02:54,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-20 06:02:54,144 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 28 [2020-10-20 06:02:54,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:02:54,145 INFO L225 Difference]: With dead ends: 28 [2020-10-20 06:02:54,145 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 06:02:54,146 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 30 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 21 IntricatePredicates, 1 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 23.2s TimeCoverageRelationStatistics Valid=91, Invalid=217, Unknown=82, NotChecked=1092, Total=1482 [2020-10-20 06:02:54,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 06:02:54,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 06:02:54,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 06:02:54,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 06:02:54,146 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2020-10-20 06:02:54,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:02:54,147 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:02:54,147 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-20 06:02:54,147 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 06:02:54,147 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 06:02:54,347 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2020-10-20 06:02:54,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:02:54 BoogieIcfgContainer [2020-10-20 06:02:54,355 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 06:02:54,355 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:02:54,356 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:02:54,356 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:02:54,356 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:02:13" (3/4) ... [2020-10-20 06:02:54,359 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 06:02:54,366 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_submit_msg [2020-10-20 06:02:54,366 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.setCurrentRoundingMode [2020-10-20 06:02:54,366 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure alloc_21 [2020-10-20 06:02:54,366 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_positive [2020-10-20 06:02:54,366 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2020-10-20 06:02:54,366 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2020-10-20 06:02:54,366 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2020-10-20 06:02:54,367 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2020-10-20 06:02:54,367 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_nonpositive [2020-10-20 06:02:54,367 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2020-10-20 06:02:54,367 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_alloc [2020-10-20 06:02:54,367 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init_internal [2020-10-20 06:02:54,367 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_init [2020-10-20 06:02:54,367 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_fill [2020-10-20 06:02:54,367 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_sub [2020-10-20 06:02:54,367 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_add_return [2020-10-20 06:02:54,367 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2020-10-20 06:02:54,367 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_cleanup [2020-10-20 06:02:54,368 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2020-10-20 06:02:54,368 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2020-10-20 06:02:54,368 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2020-10-20 06:02:54,368 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2020-10-20 06:02:54,368 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_set_drvdata [2020-10-20 06:02:54,368 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_create [2020-10-20 06:02:54,368 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_del [2020-10-20 06:02:54,369 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_del [2020-10-20 06:02:54,369 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2020-10-20 06:02:54,369 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_del [2020-10-20 06:02:54,369 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_get [2020-10-20 06:02:54,369 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2020-10-20 06:02:54,369 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2020-10-20 06:02:54,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init [2020-10-20 06:02:54,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_sub_return [2020-10-20 06:02:54,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add_tail [2020-10-20 06:02:54,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2020-10-20 06:02:54,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure entry_point [2020-10-20 06:02:54,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2020-10-20 06:02:54,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_destroy_msgs [2020-10-20 06:02:54,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2020-10-20 06:02:54,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2020-10-20 06:02:54,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_release [2020-10-20 06:02:54,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2020-10-20 06:02:54,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure free_21 [2020-10-20 06:02:54,372 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2020-10-20 06:02:54,372 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2020-10-20 06:02:54,372 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_put [2020-10-20 06:02:54,372 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_get [2020-10-20 06:02:54,373 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_get_drvdata [2020-10-20 06:02:54,378 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-10-20 06:02:54,378 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-10-20 06:02:54,379 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 06:02:54,379 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 06:02:54,379 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 06:02:54,441 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 06:02:54,442 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:02:54,444 INFO L168 Benchmark]: Toolchain (without parser) took 43458.17 ms. Allocated memory was 35.7 MB in the beginning and 101.2 MB in the end (delta: 65.5 MB). Free memory was 14.2 MB in the beginning and 58.2 MB in the end (delta: -44.0 MB). Peak memory consumption was 21.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:02:54,444 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 34.1 MB. Free memory was 9.9 MB in the beginning and 9.9 MB in the end (delta: 45.5 kB). Peak memory consumption was 45.5 kB. Max. memory is 14.3 GB. [2020-10-20 06:02:54,445 INFO L168 Benchmark]: CACSL2BoogieTranslator took 847.46 ms. Allocated memory was 35.7 MB in the beginning and 46.7 MB in the end (delta: 11.0 MB). Free memory was 13.3 MB in the beginning and 20.1 MB in the end (delta: -6.8 MB). Peak memory consumption was 15.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:02:54,446 INFO L168 Benchmark]: Boogie Preprocessor took 109.40 ms. Allocated memory is still 46.7 MB. Free memory was 20.1 MB in the beginning and 15.0 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:02:54,446 INFO L168 Benchmark]: RCFGBuilder took 1385.61 ms. Allocated memory was 46.7 MB in the beginning and 56.6 MB in the end (delta: 10.0 MB). Free memory was 14.7 MB in the beginning and 32.1 MB in the end (delta: -17.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 14.3 GB. [2020-10-20 06:02:54,447 INFO L168 Benchmark]: TraceAbstraction took 41020.76 ms. Allocated memory was 56.6 MB in the beginning and 101.2 MB in the end (delta: 44.6 MB). Free memory was 31.7 MB in the beginning and 65.6 MB in the end (delta: -33.9 MB). Peak memory consumption was 10.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:02:54,448 INFO L168 Benchmark]: Witness Printer took 86.52 ms. Allocated memory is still 101.2 MB. Free memory was 65.6 MB in the beginning and 58.2 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:02:54,451 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 34.1 MB. Free memory was 9.9 MB in the beginning and 9.9 MB in the end (delta: 45.5 kB). Peak memory consumption was 45.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 847.46 ms. Allocated memory was 35.7 MB in the beginning and 46.7 MB in the end (delta: 11.0 MB). Free memory was 13.3 MB in the beginning and 20.1 MB in the end (delta: -6.8 MB). Peak memory consumption was 15.1 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 109.40 ms. Allocated memory is still 46.7 MB. Free memory was 20.1 MB in the beginning and 15.0 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1385.61 ms. Allocated memory was 46.7 MB in the beginning and 56.6 MB in the end (delta: 10.0 MB). Free memory was 14.7 MB in the beginning and 32.1 MB in the end (delta: -17.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 14.3 GB. * TraceAbstraction took 41020.76 ms. Allocated memory was 56.6 MB in the beginning and 101.2 MB in the end (delta: 44.6 MB). Free memory was 31.7 MB in the beginning and 65.6 MB in the end (delta: -33.9 MB). Peak memory consumption was 10.6 MB. Max. memory is 14.3 GB. * Witness Printer took 86.52 ms. Allocated memory is still 101.2 MB. Free memory was 65.6 MB in the beginning and 58.2 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 682]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 682]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 744]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 744]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 658]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 658]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 660]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 660]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 699]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 699]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 593]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 779]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 772]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 772]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 772]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 74 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 345 locations, 74 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 40.9s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 16.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 226 SDtfs, 119 SDslu, 1009 SDs, 0 SdLazy, 651 SolverSat, 17 SolverUnsat, 21 SolverUnknown, 0 SolverNotchecked, 11.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 388 GetRequests, 283 SyntacticMatches, 5 SemanticMatches, 100 ConstructedPredicates, 21 IntricatePredicates, 1 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 24.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 24 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 21.4s InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 352 ConstructedInterpolants, 25 QuantifiedInterpolants, 53505 SizeOfPredicates, 30 NumberOfNonLiveVariables, 705 ConjunctsInSsa, 97 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...