./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i -s /tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/bin/uautomizer --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 fa0c2a1ec4e9d87c009cc3e8aa4349638d4af33a .................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i -s /tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/bin/uautomizer --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 fa0c2a1ec4e9d87c009cc3e8aa4349638d4af33a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:19:41,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:19:41,615 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:19:41,705 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:19:41,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:19:41,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:19:41,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:19:41,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:19:41,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:19:41,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:19:41,742 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:19:41,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:19:41,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:19:41,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:19:41,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:19:41,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:19:41,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:19:41,762 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:19:41,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:19:41,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:19:41,770 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:19:41,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:19:41,773 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:19:41,774 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:19:41,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:19:41,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:19:41,780 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:19:41,781 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:19:41,782 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:19:41,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:19:41,784 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:19:41,785 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:19:41,786 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:19:41,788 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:19:41,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:19:41,790 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:19:41,791 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:19:41,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:19:41,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:19:41,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:19:41,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:19:41,797 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-11-30 00:19:41,825 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:19:41,826 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:19:41,827 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:19:41,828 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:19:41,828 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:19:41,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:19:41,829 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:19:41,829 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:19:41,829 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:19:41,829 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:19:41,830 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:19:41,830 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-30 00:19:41,830 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-30 00:19:41,830 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-30 00:19:41,831 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:19:41,831 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 00:19:41,831 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:19:41,831 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:19:41,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:19:41,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:19:41,832 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:19:41,833 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:19:41,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:19:41,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:19:41,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:19:41,834 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:19:41,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:19:41,834 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:19:41,834 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa0c2a1ec4e9d87c009cc3e8aa4349638d4af33a [2020-11-30 00:19:42,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:19:42,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:19:42,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:19:42,169 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:19:42,171 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:19:42,172 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2020-11-30 00:19:42,280 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/bin/uautomizer/data/d8867c97c/02be856046234b5586edbbca0d10940a/FLAGc017794a1 [2020-11-30 00:19:42,872 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:19:42,880 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2020-11-30 00:19:42,899 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/bin/uautomizer/data/d8867c97c/02be856046234b5586edbbca0d10940a/FLAGc017794a1 [2020-11-30 00:19:43,132 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/bin/uautomizer/data/d8867c97c/02be856046234b5586edbbca0d10940a [2020-11-30 00:19:43,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:19:43,137 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-30 00:19:43,139 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:19:43,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:19:43,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:19:43,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:19:43" (1/1) ... [2020-11-30 00:19:43,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c130761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:43, skipping insertion in model container [2020-11-30 00:19:43,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:19:43" (1/1) ... [2020-11-30 00:19:43,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:19:43,245 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:19:43,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:19:43,880 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) [2020-11-30 00:19:43,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2028a10c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:43, skipping insertion in model container [2020-11-30 00:19:43,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:19:43,883 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-11-30 00:19:43,888 INFO L168 Benchmark]: Toolchain (without parser) took 748.94 ms. Allocated memory is still 100.7 MB. Free memory was 64.3 MB in the beginning and 74.3 MB in the end (delta: -10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:19:43,890 INFO L168 Benchmark]: CDTParser took 0.97 ms. Allocated memory is still 100.7 MB. Free memory was 72.3 MB in the beginning and 72.3 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:19:43,891 INFO L168 Benchmark]: CACSL2BoogieTranslator took 744.37 ms. Allocated memory is still 100.7 MB. Free memory was 64.2 MB in the beginning and 74.3 MB in the end (delta: -10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:19:43,895 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.97 ms. Allocated memory is still 100.7 MB. Free memory was 72.3 MB in the beginning and 72.3 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 744.37 ms. Allocated memory is still 100.7 MB. Free memory was 64.2 MB in the beginning and 74.3 MB in the end (delta: -10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 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 0.2.0-a4ecdab [2020-11-30 00:19:46,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:19:46,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:19:46,684 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:19:46,685 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:19:46,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:19:46,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:19:46,691 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:19:46,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:19:46,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:19:46,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:19:46,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:19:46,705 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:19:46,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:19:46,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:19:46,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:19:46,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:19:46,721 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:19:46,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:19:46,730 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:19:46,739 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:19:46,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:19:46,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:19:46,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:19:46,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:19:46,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:19:46,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:19:46,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:19:46,763 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:19:46,764 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:19:46,765 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:19:46,766 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:19:46,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:19:46,769 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:19:46,770 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:19:46,771 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:19:46,772 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:19:46,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:19:46,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:19:46,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:19:46,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:19:46,780 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-11-30 00:19:46,841 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:19:46,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:19:46,846 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:19:46,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:19:46,848 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:19:46,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:19:46,849 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:19:46,849 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:19:46,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:19:46,849 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:19:46,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:19:46,851 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-30 00:19:46,852 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-30 00:19:46,852 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-30 00:19:46,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:19:46,852 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 00:19:46,853 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 00:19:46,853 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 00:19:46,853 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:19:46,853 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:19:46,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:19:46,854 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:19:46,854 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:19:46,854 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:19:46,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:19:46,855 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:19:46,855 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:19:46,856 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-30 00:19:46,856 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 00:19:46,856 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:19:46,856 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 00:19:46,857 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa0c2a1ec4e9d87c009cc3e8aa4349638d4af33a [2020-11-30 00:19:47,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:19:47,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:19:47,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:19:47,393 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:19:47,394 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:19:47,395 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2020-11-30 00:19:47,487 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/bin/uautomizer/data/abd5c161a/bf9f9f1386e84853876d6800643dcee2/FLAG3c3a88ed1 [2020-11-30 00:19:48,245 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:19:48,247 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2020-11-30 00:19:48,273 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/bin/uautomizer/data/abd5c161a/bf9f9f1386e84853876d6800643dcee2/FLAG3c3a88ed1 [2020-11-30 00:19:48,402 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/bin/uautomizer/data/abd5c161a/bf9f9f1386e84853876d6800643dcee2 [2020-11-30 00:19:48,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:19:48,408 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-30 00:19:48,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:19:48,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:19:48,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:19:48,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:19:48" (1/1) ... [2020-11-30 00:19:48,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27a039fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:48, skipping insertion in model container [2020-11-30 00:19:48,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:19:48" (1/1) ... [2020-11-30 00:19:48,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:19:48,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:19:49,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:19:49,063 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-30 00:19:49,085 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:19:49,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:19:49,221 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:19:49,302 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:19:49,418 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:19:49,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:49 WrapperNode [2020-11-30 00:19:49,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:19:49,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:19:49,420 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:19:49,420 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:19:49,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:49" (1/1) ... [2020-11-30 00:19:49,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:49" (1/1) ... [2020-11-30 00:19:49,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:49" (1/1) ... [2020-11-30 00:19:49,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:49" (1/1) ... [2020-11-30 00:19:49,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:49" (1/1) ... [2020-11-30 00:19:49,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:49" (1/1) ... [2020-11-30 00:19:49,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:49" (1/1) ... [2020-11-30 00:19:49,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:19:49,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:19:49,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:19:49,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:19:49,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/bin/uautomizer/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 [2020-11-30 00:19:49,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-30 00:19:49,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:19:49,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-11-30 00:19:49,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-11-30 00:19:49,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-11-30 00:19:49,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-11-30 00:19:49,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-11-30 00:19:49,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-11-30 00:19:49,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-11-30 00:19:49,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-11-30 00:19:49,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-11-30 00:19:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-11-30 00:19:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-11-30 00:19:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-11-30 00:19:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-11-30 00:19:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-11-30 00:19:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-11-30 00:19:49,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-11-30 00:19:49,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-11-30 00:19:49,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-11-30 00:19:49,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-11-30 00:19:49,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-11-30 00:19:49,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-11-30 00:19:49,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-11-30 00:19:49,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-11-30 00:19:49,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-11-30 00:19:49,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-11-30 00:19:49,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-11-30 00:19:49,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-11-30 00:19:49,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-11-30 00:19:49,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-11-30 00:19:49,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-11-30 00:19:49,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-11-30 00:19:49,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-11-30 00:19:49,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-11-30 00:19:49,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-11-30 00:19:49,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-11-30 00:19:49,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-11-30 00:19:49,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-11-30 00:19:49,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-11-30 00:19:49,662 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-11-30 00:19:49,662 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-11-30 00:19:49,662 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_16 [2020-11-30 00:19:49,662 INFO L138 BoogieDeclarations]: Found implementation of procedure free_16 [2020-11-30 00:19:49,662 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-11-30 00:19:49,662 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-30 00:19:49,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-11-30 00:19:49,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-11-30 00:19:49,663 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-11-30 00:19:49,663 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-11-30 00:19:49,663 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-11-30 00:19:49,663 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-11-30 00:19:49,664 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-11-30 00:19:49,664 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-11-30 00:19:49,664 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-11-30 00:19:49,664 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-11-30 00:19:49,664 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-11-30 00:19:49,665 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-11-30 00:19:49,665 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-11-30 00:19:49,665 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-11-30 00:19:49,665 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-11-30 00:19:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-11-30 00:19:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-11-30 00:19:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-11-30 00:19:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-11-30 00:19:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-11-30 00:19:49,670 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-11-30 00:19:49,670 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-11-30 00:19:49,670 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-11-30 00:19:49,671 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-11-30 00:19:49,671 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-11-30 00:19:49,671 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-11-30 00:19:49,671 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-11-30 00:19:49,672 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-11-30 00:19:49,672 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-11-30 00:19:49,672 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-11-30 00:19:49,672 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-11-30 00:19:49,672 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-11-30 00:19:49,673 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-11-30 00:19:49,673 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-11-30 00:19:49,674 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-11-30 00:19:49,674 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-11-30 00:19:49,675 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-11-30 00:19:49,675 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-11-30 00:19:49,675 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-11-30 00:19:49,675 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-11-30 00:19:49,675 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-11-30 00:19:49,676 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-11-30 00:19:49,676 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-11-30 00:19:49,676 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-11-30 00:19:49,676 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-11-30 00:19:49,676 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-11-30 00:19:49,677 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-11-30 00:19:49,677 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-11-30 00:19:49,677 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-11-30 00:19:49,677 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-11-30 00:19:49,677 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-11-30 00:19:49,678 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-11-30 00:19:49,678 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-11-30 00:19:49,679 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-11-30 00:19:49,679 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-11-30 00:19:49,679 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-11-30 00:19:49,679 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-11-30 00:19:49,679 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-11-30 00:19:49,680 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-30 00:19:49,680 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-11-30 00:19:49,680 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-11-30 00:19:49,680 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-30 00:19:49,680 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-11-30 00:19:49,681 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-11-30 00:19:49,682 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-11-30 00:19:49,683 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-11-30 00:19:49,683 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-30 00:19:49,684 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-11-30 00:19:49,684 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-11-30 00:19:49,684 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-11-30 00:19:49,684 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-30 00:19:49,684 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-11-30 00:19:49,685 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-11-30 00:19:49,685 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-11-30 00:19:49,685 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-11-30 00:19:49,685 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-11-30 00:19:49,685 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-11-30 00:19:49,686 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-11-30 00:19:49,687 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-11-30 00:19:49,688 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-11-30 00:19:49,691 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-11-30 00:19:49,692 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-11-30 00:19:49,692 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-11-30 00:19:49,692 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-11-30 00:19:49,692 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-11-30 00:19:49,693 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-11-30 00:19:49,694 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-11-30 00:19:49,694 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-11-30 00:19:49,695 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-11-30 00:19:49,695 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-11-30 00:19:49,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-11-30 00:19:49,695 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-11-30 00:19:49,701 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-11-30 00:19:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-11-30 00:19:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-11-30 00:19:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-11-30 00:19:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-11-30 00:19:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-11-30 00:19:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-11-30 00:19:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-11-30 00:19:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-11-30 00:19:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-11-30 00:19:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-11-30 00:19:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-11-30 00:19:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-11-30 00:19:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-11-30 00:19:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-11-30 00:19:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-11-30 00:19:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-11-30 00:19:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-11-30 00:19:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-11-30 00:19:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-30 00:19:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-11-30 00:19:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-11-30 00:19:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-11-30 00:19:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-11-30 00:19:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-11-30 00:19:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-30 00:19:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-11-30 00:19:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-11-30 00:19:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-11-30 00:19:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-30 00:19:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-11-30 00:19:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-11-30 00:19:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-11-30 00:19:49,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-30 00:19:49,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-11-30 00:19:49,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-11-30 00:19:49,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-11-30 00:19:49,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-11-30 00:19:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-11-30 00:19:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-11-30 00:19:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 00:19:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-11-30 00:19:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-11-30 00:19:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-11-30 00:19:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-11-30 00:19:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-11-30 00:19:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-30 00:19:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-30 00:19:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-11-30 00:19:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-11-30 00:19:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-11-30 00:19:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-11-30 00:19:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-11-30 00:19:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-11-30 00:19:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-11-30 00:19:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-11-30 00:19:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-11-30 00:19:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-11-30 00:19:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-11-30 00:19:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-11-30 00:19:49,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-11-30 00:19:49,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-11-30 00:19:49,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-11-30 00:19:49,713 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-11-30 00:19:49,713 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-11-30 00:19:49,714 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_16 [2020-11-30 00:19:49,714 INFO L130 BoogieDeclarations]: Found specification of procedure free_16 [2020-11-30 00:19:49,714 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-11-30 00:19:49,714 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-30 00:19:49,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-30 00:19:49,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:19:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-30 00:19:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:19:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-11-30 00:19:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-11-30 00:19:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-11-30 00:19:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-11-30 00:19:49,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-11-30 00:19:50,620 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 00:19:51,160 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 00:19:51,641 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:19:51,641 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-30 00:19:51,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:19:51 BoogieIcfgContainer [2020-11-30 00:19:51,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:19:51,645 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:19:51,645 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:19:51,648 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:19:51,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:19:48" (1/3) ... [2020-11-30 00:19:51,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5971441d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:19:51, skipping insertion in model container [2020-11-30 00:19:51,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:49" (2/3) ... [2020-11-30 00:19:51,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5971441d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:19:51, skipping insertion in model container [2020-11-30 00:19:51,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:19:51" (3/3) ... [2020-11-30 00:19:51,651 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test16.i [2020-11-30 00:19:51,661 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:19:51,666 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2020-11-30 00:19:51,678 INFO L253 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2020-11-30 00:19:51,702 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:19:51,702 INFO L378 AbstractCegarLoop]: Hoare is false [2020-11-30 00:19:51,702 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:19:51,703 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:19:51,703 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:19:51,703 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:19:51,703 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:19:51,704 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:19:51,732 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2020-11-30 00:19:51,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 00:19:51,753 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:19:51,754 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:19:51,755 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-30 00:19:51,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:19:51,771 INFO L82 PathProgramCache]: Analyzing trace with hash 997159282, now seen corresponding path program 1 times [2020-11-30 00:19:51,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:19:51,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [795308478] [2020-11-30 00:19:51,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/bin/uautomizer/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 [2020-11-30 00:19:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:52,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-30 00:19:52,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:19:52,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:52,229 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:19:52,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:52,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [795308478] [2020-11-30 00:19:52,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:19:52,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 8 [2020-11-30 00:19:52,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858888983] [2020-11-30 00:19:52,339 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-30 00:19:52,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:19:52,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-30 00:19:52,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-11-30 00:19:52,369 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 8 states. [2020-11-30 00:19:52,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:19:52,517 INFO L93 Difference]: Finished difference Result 49 states and 51 transitions. [2020-11-30 00:19:52,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 00:19:52,519 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2020-11-30 00:19:52,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:19:52,530 INFO L225 Difference]: With dead ends: 49 [2020-11-30 00:19:52,531 INFO L226 Difference]: Without dead ends: 46 [2020-11-30 00:19:52,533 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-11-30 00:19:52,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-11-30 00:19:52,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2020-11-30 00:19:52,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-11-30 00:19:52,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2020-11-30 00:19:52,575 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 17 [2020-11-30 00:19:52,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:19:52,576 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2020-11-30 00:19:52,576 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-30 00:19:52,576 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2020-11-30 00:19:52,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-30 00:19:52,578 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:19:52,578 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] [2020-11-30 00:19:52,793 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 00:19:52,794 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-30 00:19:52,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:19:52,795 INFO L82 PathProgramCache]: Analyzing trace with hash 965683329, now seen corresponding path program 1 times [2020-11-30 00:19:52,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:19:52,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [686944598] [2020-11-30 00:19:52,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/bin/uautomizer/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 [2020-11-30 00:19:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:53,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-30 00:19:53,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:19:53,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:53,211 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:19:53,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:53,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [686944598] [2020-11-30 00:19:53,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:19:53,350 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 00:19:53,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508197104] [2020-11-30 00:19:53,352 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:19:53,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:19:53,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:19:53,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:19:53,353 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand 3 states. [2020-11-30 00:19:53,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:19:53,439 INFO L93 Difference]: Finished difference Result 54 states and 57 transitions. [2020-11-30 00:19:53,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:19:53,440 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2020-11-30 00:19:53,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:19:53,442 INFO L225 Difference]: With dead ends: 54 [2020-11-30 00:19:53,443 INFO L226 Difference]: Without dead ends: 43 [2020-11-30 00:19:53,443 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:19:53,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-11-30 00:19:53,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-11-30 00:19:53,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-11-30 00:19:53,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2020-11-30 00:19:53,468 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 21 [2020-11-30 00:19:53,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:19:53,469 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2020-11-30 00:19:53,469 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:19:53,469 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2020-11-30 00:19:53,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 00:19:53,471 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:19:53,471 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] [2020-11-30 00:19:53,687 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 00:19:53,688 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-30 00:19:53,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:19:53,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1103285257, now seen corresponding path program 1 times [2020-11-30 00:19:53,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:19:53,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2109647697] [2020-11-30 00:19:53,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/bin/uautomizer/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 [2020-11-30 00:19:53,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:53,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-30 00:19:53,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:19:54,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:54,081 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:19:54,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:54,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2109647697] [2020-11-30 00:19:54,233 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:19:54,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2020-11-30 00:19:54,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377242314] [2020-11-30 00:19:54,234 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-30 00:19:54,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:19:54,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-30 00:19:54,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-11-30 00:19:54,235 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand 9 states. [2020-11-30 00:19:54,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:19:54,320 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2020-11-30 00:19:54,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-30 00:19:54,322 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-11-30 00:19:54,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:19:54,323 INFO L225 Difference]: With dead ends: 42 [2020-11-30 00:19:54,323 INFO L226 Difference]: Without dead ends: 42 [2020-11-30 00:19:54,324 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-30 00:19:54,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-11-30 00:19:54,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-11-30 00:19:54,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-11-30 00:19:54,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2020-11-30 00:19:54,333 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 23 [2020-11-30 00:19:54,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:19:54,334 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2020-11-30 00:19:54,334 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-30 00:19:54,334 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2020-11-30 00:19:54,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 00:19:54,335 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:19:54,335 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] [2020-11-30 00:19:54,550 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-30 00:19:54,551 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-30 00:19:54,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:19:54,552 INFO L82 PathProgramCache]: Analyzing trace with hash 157895800, now seen corresponding path program 1 times [2020-11-30 00:19:54,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:19:54,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1216983055] [2020-11-30 00:19:54,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/bin/uautomizer/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 [2020-11-30 00:19:54,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:54,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-30 00:19:54,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:19:55,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:55,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:19:55,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:55,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1216983055] [2020-11-30 00:19:55,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:19:55,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 16 [2020-11-30 00:19:55,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059484146] [2020-11-30 00:19:55,757 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-11-30 00:19:55,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:19:55,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-11-30 00:19:55,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2020-11-30 00:19:55,758 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand 17 states. [2020-11-30 00:19:56,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:19:56,480 INFO L93 Difference]: Finished difference Result 53 states and 54 transitions. [2020-11-30 00:19:56,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-11-30 00:19:56,481 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 24 [2020-11-30 00:19:56,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:19:56,483 INFO L225 Difference]: With dead ends: 53 [2020-11-30 00:19:56,483 INFO L226 Difference]: Without dead ends: 51 [2020-11-30 00:19:56,484 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2020-11-30 00:19:56,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-11-30 00:19:56,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 46. [2020-11-30 00:19:56,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-11-30 00:19:56,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 48 transitions. [2020-11-30 00:19:56,492 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 48 transitions. Word has length 24 [2020-11-30 00:19:56,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:19:56,493 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 48 transitions. [2020-11-30 00:19:56,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-11-30 00:19:56,493 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2020-11-30 00:19:56,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-30 00:19:56,495 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:19:56,495 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] [2020-11-30 00:19:56,708 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-30 00:19:56,712 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-30 00:19:56,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:19:56,713 INFO L82 PathProgramCache]: Analyzing trace with hash 599802905, now seen corresponding path program 1 times [2020-11-30 00:19:56,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:19:56,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2026398945] [2020-11-30 00:19:56,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/bin/uautomizer/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 [2020-11-30 00:19:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:56,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-30 00:19:56,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:19:57,044 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 [2020-11-30 00:19:57,045 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 00:19:57,051 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:19:57,052 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-30 00:19:57,052 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-11-30 00:19:57,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:57,162 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:19:57,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:57,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2026398945] [2020-11-30 00:19:57,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:19:57,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2020-11-30 00:19:57,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422074245] [2020-11-30 00:19:57,353 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-30 00:19:57,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:19:57,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-30 00:19:57,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-11-30 00:19:57,354 INFO L87 Difference]: Start difference. First operand 46 states and 48 transitions. Second operand 9 states. [2020-11-30 00:19:57,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:19:57,584 INFO L93 Difference]: Finished difference Result 50 states and 51 transitions. [2020-11-30 00:19:57,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-30 00:19:57,586 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-11-30 00:19:57,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:19:57,587 INFO L225 Difference]: With dead ends: 50 [2020-11-30 00:19:57,588 INFO L226 Difference]: Without dead ends: 50 [2020-11-30 00:19:57,588 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-30 00:19:57,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-11-30 00:19:57,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 46. [2020-11-30 00:19:57,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-11-30 00:19:57,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 47 transitions. [2020-11-30 00:19:57,595 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 47 transitions. Word has length 25 [2020-11-30 00:19:57,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:19:57,595 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 47 transitions. [2020-11-30 00:19:57,595 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-30 00:19:57,595 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2020-11-30 00:19:57,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-30 00:19:57,596 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:19:57,597 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] [2020-11-30 00:19:57,797 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-30 00:19:57,797 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-30 00:19:57,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:19:57,798 INFO L82 PathProgramCache]: Analyzing trace with hash 306399898, now seen corresponding path program 1 times [2020-11-30 00:19:57,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:19:57,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1416345604] [2020-11-30 00:19:57,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/bin/uautomizer/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 [2020-11-30 00:19:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:58,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 9 conjunts are in the unsatisfiable core [2020-11-30 00:19:58,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:19:58,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:58,126 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:19:58,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:58,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1416345604] [2020-11-30 00:19:58,242 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:19:58,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2020-11-30 00:19:58,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500199668] [2020-11-30 00:19:58,243 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-30 00:19:58,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:19:58,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-30 00:19:58,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-11-30 00:19:58,244 INFO L87 Difference]: Start difference. First operand 46 states and 47 transitions. Second operand 9 states. [2020-11-30 00:19:58,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:19:58,360 INFO L93 Difference]: Finished difference Result 47 states and 48 transitions. [2020-11-30 00:19:58,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-30 00:19:58,362 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-11-30 00:19:58,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:19:58,364 INFO L225 Difference]: With dead ends: 47 [2020-11-30 00:19:58,364 INFO L226 Difference]: Without dead ends: 47 [2020-11-30 00:19:58,364 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-30 00:19:58,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-11-30 00:19:58,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2020-11-30 00:19:58,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-11-30 00:19:58,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2020-11-30 00:19:58,376 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 25 [2020-11-30 00:19:58,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:19:58,379 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2020-11-30 00:19:58,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-30 00:19:58,380 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2020-11-30 00:19:58,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 00:19:58,382 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:19:58,382 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] [2020-11-30 00:19:58,583 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-30 00:19:58,583 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, 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, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-30 00:19:58,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:19:58,584 INFO L82 PathProgramCache]: Analyzing trace with hash 1123950726, now seen corresponding path program 1 times [2020-11-30 00:19:58,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:19:58,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1880277258] [2020-11-30 00:19:58,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/bin/uautomizer/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 [2020-11-30 00:19:58,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:58,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-30 00:19:58,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:19:58,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:58,895 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:19:59,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:59,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1880277258] [2020-11-30 00:19:59,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:19:59,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2020-11-30 00:19:59,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221971476] [2020-11-30 00:19:59,172 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-30 00:19:59,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:19:59,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-30 00:19:59,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-11-30 00:19:59,173 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand 9 states. [2020-11-30 00:19:59,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:19:59,281 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2020-11-30 00:19:59,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 00:19:59,282 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2020-11-30 00:19:59,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:19:59,283 INFO L225 Difference]: With dead ends: 47 [2020-11-30 00:19:59,284 INFO L226 Difference]: Without dead ends: 45 [2020-11-30 00:19:59,284 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-11-30 00:19:59,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-11-30 00:19:59,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 31. [2020-11-30 00:19:59,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-11-30 00:19:59,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2020-11-30 00:19:59,290 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 27 [2020-11-30 00:19:59,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:19:59,290 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2020-11-30 00:19:59,291 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-30 00:19:59,291 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2020-11-30 00:19:59,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-30 00:19:59,292 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:19:59,292 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, 1, 1] [2020-11-30 00:19:59,500 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-11-30 00:19:59,500 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, 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, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-30 00:19:59,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:19:59,501 INFO L82 PathProgramCache]: Analyzing trace with hash 2141245867, now seen corresponding path program 1 times [2020-11-30 00:19:59,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:19:59,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [955313238] [2020-11-30 00:19:59,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/bin/uautomizer/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 [2020-11-30 00:19:59,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:59,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 23 conjunts are in the unsatisfiable core [2020-11-30 00:19:59,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:19:59,702 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:19:59,702 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 25 [2020-11-30 00:19:59,703 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 00:19:59,718 INFO L625 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2020-11-30 00:19:59,721 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:19:59,724 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-30 00:19:59,729 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:15 [2020-11-30 00:19:59,730 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:19:59,754 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:19:59,776 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:19:59,793 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:20:08,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:20:08,196 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:20:23,430 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_12|]} [2020-11-30 00:20:23,447 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_entry_point_~p~1.base_20 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_12| v_entry_point_~p~1.base_20))) (= (store |v_old(#valid)_BEFORE_CALL_12| v_entry_point_~p~1.base_20 (_ bv0 1)) v_prenex_1))) (not (= (store |c_old(#valid)| |c_free_16_#in~p.base| (_ bv0 1)) v_prenex_1)))) (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_12| v_prenex_2)) (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_12| v_prenex_2 (_ bv0 1)))))) (= |v_old(#valid)_BEFORE_CALL_11| |c_#valid|))) is different from false [2020-11-30 00:20:23,450 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_entry_point_~p~1.base_20 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_12| v_entry_point_~p~1.base_20))) (= (store |v_old(#valid)_BEFORE_CALL_12| v_entry_point_~p~1.base_20 (_ bv0 1)) v_prenex_1))) (not (= (store |c_old(#valid)| |c_free_16_#in~p.base| (_ bv0 1)) v_prenex_1)))) (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_12| v_prenex_2)) (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_12| v_prenex_2 (_ bv0 1)))))) (= |v_old(#valid)_BEFORE_CALL_11| |c_#valid|))) is different from true [2020-11-30 00:20:23,479 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_12|]} [2020-11-30 00:20:23,513 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_12|]} [2020-11-30 00:20:23,525 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_entry_point_~p~1.base_20 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_12| v_entry_point_~p~1.base_20))) (= (store |v_old(#valid)_BEFORE_CALL_12| v_entry_point_~p~1.base_20 (_ bv0 1)) v_prenex_1))) (not (= (store |c_old(#valid)| |c_free_16_#in~p.base| (_ bv0 1)) v_prenex_1)))) (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_12| v_prenex_2)) (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_12| v_prenex_2 (_ bv0 1)))))) (= |v_old(#valid)_BEFORE_CALL_11| (store |c_#valid| c_free_16_~p.base (_ bv0 1))))) is different from false [2020-11-30 00:20:23,534 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_entry_point_~p~1.base_20 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_12| v_entry_point_~p~1.base_20))) (= (store |v_old(#valid)_BEFORE_CALL_12| v_entry_point_~p~1.base_20 (_ bv0 1)) v_prenex_1))) (not (= (store |c_old(#valid)| |c_free_16_#in~p.base| (_ bv0 1)) v_prenex_1)))) (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_12| v_prenex_2)) (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_12| v_prenex_2 (_ bv0 1)))))) (= |v_old(#valid)_BEFORE_CALL_11| (store |c_#valid| c_free_16_~p.base (_ bv0 1))))) is different from true [2020-11-30 00:20:23,549 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_12|]} [2020-11-30 00:20:23,572 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_12|]} [2020-11-30 00:20:23,601 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_12|]} [2020-11-30 00:20:23,636 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_12|]} [2020-11-30 00:20:23,653 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_entry_point_~p~1.base_20 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_12| v_entry_point_~p~1.base_20))) (= (store |v_old(#valid)_BEFORE_CALL_12| v_entry_point_~p~1.base_20 (_ bv0 1)) v_prenex_1))) (not (= (store |c_old(#valid)| |c_free_16_#in~p.base| (_ bv0 1)) v_prenex_1)))) (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_12| v_prenex_2)) (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_12| v_prenex_2 (_ bv0 1)))))) (= (store |c_#valid| |c_free_16_#in~p.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|))) is different from false [2020-11-30 00:20:25,902 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret40.base_47| (_ BitVec 32))) (or (= (store |c_#valid| |v_entry_point_#t~ret40.base_47| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (not (= (select |c_#valid| |v_entry_point_#t~ret40.base_47|) (_ bv0 1))) (exists ((v_entry_point_~p~1.base_20 (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| v_entry_point_~p~1.base_20)) (not (= |v_old(#valid)_BEFORE_CALL_11| (store |c_old(#valid)| v_entry_point_~p~1.base_20 (_ bv0 1)))))))) is different from false [2020-11-30 00:20:25,925 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-11-30 00:20:25,932 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_13|]} [2020-11-30 00:20:25,943 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret40.base_47| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_entry_point_#t~ret40.base_47|)) (forall ((v_entry_point_~p~1.base_20 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_entry_point_~p~1.base_20 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_13| v_entry_point_~p~1.base_20))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret40.base_47| (_ bv0 1)) v_prenex_3)))) (= |v_old(#valid)_BEFORE_CALL_11| (store |c_#valid| |c_alloc_16_#res.base| (_ bv0 1))) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_4)))))) is different from false [2020-11-30 00:20:25,953 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret40.base_47| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_entry_point_#t~ret40.base_47|)) (forall ((v_entry_point_~p~1.base_20 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_entry_point_~p~1.base_20 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_13| v_entry_point_~p~1.base_20))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret40.base_47| (_ bv0 1)) v_prenex_3)))) (= |v_old(#valid)_BEFORE_CALL_11| (store |c_#valid| |c_alloc_16_#res.base| (_ bv0 1))) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_4)))))) is different from true [2020-11-30 00:20:25,964 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-11-30 00:20:25,972 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_13|]} [2020-11-30 00:20:25,992 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-11-30 00:20:26,004 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_13|]} [2020-11-30 00:20:26,012 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| |c_alloc_16_#t~ret38.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret40.base_47| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_entry_point_#t~ret40.base_47|)) (forall ((v_entry_point_~p~1.base_20 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_entry_point_~p~1.base_20 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_13| v_entry_point_~p~1.base_20))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret40.base_47| (_ bv0 1)) v_prenex_3)))) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_4)))))) is different from false [2020-11-30 00:20:26,094 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-11-30 00:20:26,099 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_13|]} [2020-11-30 00:20:26,110 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_alloc_16_#t~ret38.base_66| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| |v_alloc_16_#t~ret38.base_66| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret40.base_47| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_entry_point_#t~ret40.base_47|)) (forall ((v_entry_point_~p~1.base_20 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_entry_point_~p~1.base_20 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_13| v_entry_point_~p~1.base_20))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret40.base_47| (_ bv0 1)) v_prenex_3)))) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_4)))) (not (= (_ bv0 1) (select |c_#valid| |v_alloc_16_#t~ret38.base_66|))))) is different from false [2020-11-30 00:20:26,119 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_alloc_16_#t~ret38.base_66| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| |v_alloc_16_#t~ret38.base_66| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret40.base_47| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_entry_point_#t~ret40.base_47|)) (forall ((v_entry_point_~p~1.base_20 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_entry_point_~p~1.base_20 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_13| v_entry_point_~p~1.base_20))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret40.base_47| (_ bv0 1)) v_prenex_3)))) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_4)))) (not (= (_ bv0 1) (select |c_#valid| |v_alloc_16_#t~ret38.base_66|))))) is different from true [2020-11-30 00:20:26,158 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-11-30 00:20:26,173 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-11-30 00:20:26,179 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_5, v_prenex_7], 5=[v_prenex_6]} [2020-11-30 00:20:26,186 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_14|, |v_old(#valid)_BEFORE_CALL_13|]} [2020-11-30 00:20:26,216 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|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_8 (_ BitVec 32)) (v_prenex_7 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_9))) (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_9 (_ bv0 1)) v_prenex_7))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_8)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_8 (_ bv0 1)) v_prenex_7)))) (exists ((v_prenex_10 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_10)) (not (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_10 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|)))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((|v_alloc_16_#t~ret38.base_66| (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (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~ret40.base_47| (_ BitVec 32))) (or (exists ((v_entry_point_~p~1.base_20 (_ BitVec 32))) (and (not (= (store v_prenex_6 v_entry_point_~p~1.base_20 (_ bv0 1)) v_prenex_3)) (= (_ bv0 1) (select v_prenex_6 v_entry_point_~p~1.base_20)))) (= (store |v_old(#valid)_BEFORE_CALL_14| |v_entry_point_#t~ret40.base_47| (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| |v_entry_point_#t~ret40.base_47|))))) (= (select |c_old(#valid)| |v_alloc_16_#t~ret38.base_66|) (_ bv0 1)) (not (= (store |c_old(#valid)| |v_alloc_16_#t~ret38.base_66| (_ bv0 1)) v_prenex_5)))))) is different from false [2020-11-30 00:20:26,223 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|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_8 (_ BitVec 32)) (v_prenex_7 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_9))) (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_9 (_ bv0 1)) v_prenex_7))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_8)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_8 (_ bv0 1)) v_prenex_7)))) (exists ((v_prenex_10 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_10)) (not (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_10 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|)))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((|v_alloc_16_#t~ret38.base_66| (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (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~ret40.base_47| (_ BitVec 32))) (or (exists ((v_entry_point_~p~1.base_20 (_ BitVec 32))) (and (not (= (store v_prenex_6 v_entry_point_~p~1.base_20 (_ bv0 1)) v_prenex_3)) (= (_ bv0 1) (select v_prenex_6 v_entry_point_~p~1.base_20)))) (= (store |v_old(#valid)_BEFORE_CALL_14| |v_entry_point_#t~ret40.base_47| (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| |v_entry_point_#t~ret40.base_47|))))) (= (select |c_old(#valid)| |v_alloc_16_#t~ret38.base_66|) (_ bv0 1)) (not (= (store |c_old(#valid)| |v_alloc_16_#t~ret38.base_66| (_ bv0 1)) v_prenex_5)))))) is different from true [2020-11-30 00:20:26,262 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-11-30 00:20:26,276 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-11-30 00:20:26,284 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_5, v_prenex_7], 5=[v_prenex_6]} [2020-11-30 00:20:26,292 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_14|, |v_old(#valid)_BEFORE_CALL_13|]} [2020-11-30 00:20:26,379 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-11-30 00:20:26,388 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-11-30 00:20:26,392 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_5, v_prenex_7], 5=[v_prenex_6]} [2020-11-30 00:20:26,399 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_14|, |v_old(#valid)_BEFORE_CALL_13|]} [2020-11-30 00:20:26,455 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#res.base_54| (_ BitVec 32))) (or (exists ((v_prenex_8 (_ BitVec 32)) (v_prenex_7 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_9))) (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_9 (_ bv0 1)) v_prenex_7))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_8)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_8 (_ bv0 1)) v_prenex_7)))) (exists ((v_prenex_10 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_10)) (not (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_10 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|)))) (not (= (select |c_#valid| |v_ldv_malloc_#res.base_54|) (_ bv0 1))) (= |v_old(#valid)_BEFORE_CALL_11| (store |c_#valid| |v_ldv_malloc_#res.base_54| (_ bv0 1))) (exists ((|v_alloc_16_#t~ret38.base_66| (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (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~ret40.base_47| (_ BitVec 32))) (or (exists ((v_entry_point_~p~1.base_20 (_ BitVec 32))) (and (not (= (store v_prenex_6 v_entry_point_~p~1.base_20 (_ bv0 1)) v_prenex_3)) (= (_ bv0 1) (select v_prenex_6 v_entry_point_~p~1.base_20)))) (= (store |v_old(#valid)_BEFORE_CALL_14| |v_entry_point_#t~ret40.base_47| (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| |v_entry_point_#t~ret40.base_47|))))) (= (select |c_old(#valid)| |v_alloc_16_#t~ret38.base_66|) (_ bv0 1)) (not (= (store |c_old(#valid)| |v_alloc_16_#t~ret38.base_66| (_ bv0 1)) v_prenex_5)))))) is different from true [2020-11-30 00:20:26,513 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-11-30 00:20:26,521 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-11-30 00:20:26,526 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_5, v_prenex_7], 5=[v_prenex_6]} [2020-11-30 00:20:26,532 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_14|, |v_old(#valid)_BEFORE_CALL_13|]} [2020-11-30 00:20:26,577 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-11-30 00:20:26,585 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_13|]} [2020-11-30 00:20:26,598 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-11-30 00:20:26,605 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_13|]} [2020-11-30 00:20:26,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:20:26,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [955313238] [2020-11-30 00:20:26,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:20:26,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13, 15] imperfect sequences [] total 26 [2020-11-30 00:20:26,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309195567] [2020-11-30 00:20:26,646 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-11-30 00:20:26,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:20:26,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-11-30 00:20:26,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=228, Unknown=41, NotChecked=360, Total=702 [2020-11-30 00:20:26,651 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand 27 states. [2020-11-30 00:20:52,698 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_11| (Array (_ BitVec 32) (_ BitVec 1))) (|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_8 (_ BitVec 32)) (v_prenex_7 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_9))) (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_9 (_ bv0 1)) v_prenex_7))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_8)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_8 (_ bv0 1)) v_prenex_7)))) (exists ((v_prenex_10 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_10)) (not (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_10 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|)))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((|v_alloc_16_#t~ret38.base_66| (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (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~ret40.base_47| (_ BitVec 32))) (or (exists ((v_entry_point_~p~1.base_20 (_ BitVec 32))) (and (not (= (store v_prenex_6 v_entry_point_~p~1.base_20 (_ bv0 1)) v_prenex_3)) (= (_ bv0 1) (select v_prenex_6 v_entry_point_~p~1.base_20)))) (= (store |v_old(#valid)_BEFORE_CALL_14| |v_entry_point_#t~ret40.base_47| (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| |v_entry_point_#t~ret40.base_47|))))) (= (select |c_old(#valid)| |v_alloc_16_#t~ret38.base_66|) (_ bv0 1)) (not (= (store |c_old(#valid)| |v_alloc_16_#t~ret38.base_66| (_ bv0 1)) v_prenex_5)))))) (= (select |c_old(#valid)| |c_ldv_malloc_#res.base|) (_ bv0 1))) is different from false [2020-11-30 00:20:52,704 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_11| (Array (_ BitVec 32) (_ BitVec 1))) (|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_8 (_ BitVec 32)) (v_prenex_7 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_9))) (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_9 (_ bv0 1)) v_prenex_7))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_8)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_8 (_ bv0 1)) v_prenex_7)))) (exists ((v_prenex_10 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_10)) (not (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_10 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|)))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((|v_alloc_16_#t~ret38.base_66| (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (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~ret40.base_47| (_ BitVec 32))) (or (exists ((v_entry_point_~p~1.base_20 (_ BitVec 32))) (and (not (= (store v_prenex_6 v_entry_point_~p~1.base_20 (_ bv0 1)) v_prenex_3)) (= (_ bv0 1) (select v_prenex_6 v_entry_point_~p~1.base_20)))) (= (store |v_old(#valid)_BEFORE_CALL_14| |v_entry_point_#t~ret40.base_47| (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| |v_entry_point_#t~ret40.base_47|))))) (= (select |c_old(#valid)| |v_alloc_16_#t~ret38.base_66|) (_ bv0 1)) (not (= (store |c_old(#valid)| |v_alloc_16_#t~ret38.base_66| (_ bv0 1)) v_prenex_5)))))) (= (select |c_old(#valid)| |c_ldv_malloc_#res.base|) (_ bv0 1))) is different from true [2020-11-30 00:20:56,812 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| |c_alloc_16_#t~ret38.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret40.base_47| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_entry_point_#t~ret40.base_47|)) (forall ((v_entry_point_~p~1.base_20 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_entry_point_~p~1.base_20 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_13| v_entry_point_~p~1.base_20))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret40.base_47| (_ bv0 1)) v_prenex_3)))) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_4)))))) (= (_ bv0 1) (select |c_old(#valid)| |c_alloc_16_#t~ret38.base|)) (= (store |c_old(#valid)| |c_alloc_16_#t~ret38.base| (_ bv1 1)) |c_#valid|)) is different from false [2020-11-30 00:20:56,817 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| |c_alloc_16_#t~ret38.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret40.base_47| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_entry_point_#t~ret40.base_47|)) (forall ((v_entry_point_~p~1.base_20 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_entry_point_~p~1.base_20 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_13| v_entry_point_~p~1.base_20))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret40.base_47| (_ bv0 1)) v_prenex_3)))) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_4)))))) (= (_ bv0 1) (select |c_old(#valid)| |c_alloc_16_#t~ret38.base|)) (= (store |c_old(#valid)| |c_alloc_16_#t~ret38.base| (_ bv1 1)) |c_#valid|)) is different from true [2020-11-30 00:20:56,880 WARN L838 $PredicateComparison]: unable to prove that (and (= (store |c_old(#valid)| |c_alloc_16_#res.base| (_ bv1 1)) |c_#valid|) (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret40.base_47| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_entry_point_#t~ret40.base_47|)) (forall ((v_entry_point_~p~1.base_20 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_entry_point_~p~1.base_20 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_13| v_entry_point_~p~1.base_20))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret40.base_47| (_ bv0 1)) v_prenex_3)))) (= |v_old(#valid)_BEFORE_CALL_11| (store |c_#valid| |c_alloc_16_#res.base| (_ bv0 1))) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_4)))))) (= (_ bv0 1) (select |c_old(#valid)| |c_alloc_16_#res.base|))) is different from false [2020-11-30 00:20:56,883 WARN L860 $PredicateComparison]: unable to prove that (and (= (store |c_old(#valid)| |c_alloc_16_#res.base| (_ bv1 1)) |c_#valid|) (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret40.base_47| (_ BitVec 32))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_entry_point_#t~ret40.base_47|)) (forall ((v_entry_point_~p~1.base_20 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_entry_point_~p~1.base_20 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_13| v_entry_point_~p~1.base_20))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret40.base_47| (_ bv0 1)) v_prenex_3)))) (= |v_old(#valid)_BEFORE_CALL_11| (store |c_#valid| |c_alloc_16_#res.base| (_ bv0 1))) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_4)))))) (= (_ bv0 1) (select |c_old(#valid)| |c_alloc_16_#res.base|))) is different from true [2020-11-30 00:21:18,452 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_entry_point_~p~1.base_20 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_12| v_entry_point_~p~1.base_20))) (= (store |v_old(#valid)_BEFORE_CALL_12| v_entry_point_~p~1.base_20 (_ bv0 1)) v_prenex_1))) (not (= (store |c_old(#valid)| |c_free_16_#in~p.base| (_ bv0 1)) v_prenex_1)))) (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_12| v_prenex_2)) (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_12| v_prenex_2 (_ bv0 1)))))) (= (store |c_#valid| |c_free_16_#in~p.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|))) (= |c_old(#valid)| |c_#valid|) (exists ((|~#ldv_global_msg_list~0.base| (_ BitVec 32))) (= (_ bv1 1) (select |c_old(#valid)| |~#ldv_global_msg_list~0.base|)))) is different from false [2020-11-30 00:21:23,315 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_entry_point_~p~1.base_20 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_12| v_entry_point_~p~1.base_20))) (= (store |v_old(#valid)_BEFORE_CALL_12| v_entry_point_~p~1.base_20 (_ bv0 1)) v_prenex_1))) (not (= (store |c_old(#valid)| |c_free_16_#in~p.base| (_ bv0 1)) v_prenex_1)))) (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_12| v_prenex_2)) (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_12| v_prenex_2 (_ bv0 1)))))) (= |v_old(#valid)_BEFORE_CALL_11| (store |c_#valid| c_free_16_~p.base (_ bv0 1))))) (= |c_old(#valid)| |c_#valid|) (= c_free_16_~p.base |c_free_16_#in~p.base|)) is different from false [2020-11-30 00:21:45,462 WARN L838 $PredicateComparison]: unable to prove that (and (= (store |c_old(#valid)| |c_free_16_#in~p.base| (_ bv0 1)) |c_#valid|) (forall ((|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_entry_point_~p~1.base_20 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_12| v_entry_point_~p~1.base_20))) (= (store |v_old(#valid)_BEFORE_CALL_12| v_entry_point_~p~1.base_20 (_ bv0 1)) v_prenex_1))) (not (= (store |c_old(#valid)| |c_free_16_#in~p.base| (_ bv0 1)) v_prenex_1)))) (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_12| v_prenex_2)) (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_12| v_prenex_2 (_ bv0 1)))))) (= |v_old(#valid)_BEFORE_CALL_11| |c_#valid|)))) is different from false [2020-11-30 00:21:48,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:21:48,853 INFO L93 Difference]: Finished difference Result 48 states and 47 transitions. [2020-11-30 00:21:48,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-11-30 00:21:48,853 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 30 [2020-11-30 00:21:48,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:21:48,854 INFO L225 Difference]: With dead ends: 48 [2020-11-30 00:21:48,854 INFO L226 Difference]: Without dead ends: 31 [2020-11-30 00:21:48,855 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 32 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 15 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 32.1s TimeCoverageRelationStatistics Valid=104, Invalid=293, Unknown=83, NotChecked=780, Total=1260 [2020-11-30 00:21:48,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-11-30 00:21:48,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-11-30 00:21:48,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-11-30 00:21:48,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 30 transitions. [2020-11-30 00:21:48,859 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 30 transitions. Word has length 30 [2020-11-30 00:21:48,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:21:48,859 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 30 transitions. [2020-11-30 00:21:48,859 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-11-30 00:21:48,859 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 30 transitions. [2020-11-30 00:21:48,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-30 00:21:48,860 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:21:48,860 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, 1, 1] [2020-11-30 00:21:49,064 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2020-11-30 00:21:49,068 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_16Err0ASSERT_VIOLATIONMEMORY_FREE, free_16Err1ASSERT_VIOLATIONMEMORY_FREE, free_16Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-30 00:21:49,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:21:49,069 INFO L82 PathProgramCache]: Analyzing trace with hash 1144173514, now seen corresponding path program 1 times [2020-11-30 00:21:49,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:21:49,069 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [956272651] [2020-11-30 00:21:49,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/bin/uautomizer/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2020-11-30 00:21:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:49,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 22 conjunts are in the unsatisfiable core [2020-11-30 00:21:49,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:21:49,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 00:21:49,250 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2020-11-30 00:21:49,250 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 00:21:49,293 INFO L625 ElimStorePlain]: treesize reduction 4, result has 73.3 percent of original size [2020-11-30 00:21:49,293 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-30 00:21:49,293 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:11 [2020-11-30 00:21:49,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:21:49,530 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:21:49,808 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:21:49,808 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 1 case distinctions, treesize of input 17 treesize of output 16 [2020-11-30 00:21:49,809 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 00:21:49,814 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:21:49,815 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-30 00:21:49,815 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2020-11-30 00:21:50,066 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 20 treesize of output 9 [2020-11-30 00:21:50,066 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 00:21:50,069 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:21:50,069 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-30 00:21:50,069 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:9 [2020-11-30 00:21:50,156 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 20 treesize of output 9 [2020-11-30 00:21:50,156 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 00:21:50,159 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:21:50,159 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-30 00:21:50,159 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:9 [2020-11-30 00:21:50,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:21:50,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [956272651] [2020-11-30 00:21:50,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:21:50,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 14] imperfect sequences [] total 23 [2020-11-30 00:21:50,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055889992] [2020-11-30 00:21:50,245 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-11-30 00:21:50,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:21:50,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-11-30 00:21:50,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=466, Unknown=0, NotChecked=0, Total=552 [2020-11-30 00:21:50,246 INFO L87 Difference]: Start difference. First operand 31 states and 30 transitions. Second operand 24 states. [2020-11-30 00:21:50,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:21:50,858 INFO L93 Difference]: Finished difference Result 30 states and 29 transitions. [2020-11-30 00:21:50,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-30 00:21:50,859 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 30 [2020-11-30 00:21:50,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:21:50,859 INFO L225 Difference]: With dead ends: 30 [2020-11-30 00:21:50,859 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:21:50,860 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=173, Invalid=757, Unknown=0, NotChecked=0, Total=930 [2020-11-30 00:21:50,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:21:50,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:21:50,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:21:50,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:21:50,861 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2020-11-30 00:21:50,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:21:50,861 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:21:50,861 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-11-30 00:21:50,861 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:21:50,862 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:21:51,062 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2020-11-30 00:21:51,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:21:51 BoogieIcfgContainer [2020-11-30 00:21:51,068 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:21:51,069 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:21:51,069 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:21:51,069 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:21:51,070 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:19:51" (3/4) ... [2020-11-30 00:21:51,074 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:21:51,081 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_submit_msg [2020-11-30 00:21:51,081 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.setCurrentRoundingMode [2020-11-30 00:21:51,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_positive [2020-11-30 00:21:51,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2020-11-30 00:21:51,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2020-11-30 00:21:51,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2020-11-30 00:21:51,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2020-11-30 00:21:51,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_nonpositive [2020-11-30 00:21:51,082 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2020-11-30 00:21:51,083 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_alloc [2020-11-30 00:21:51,083 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init_internal [2020-11-30 00:21:51,083 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_init [2020-11-30 00:21:51,083 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_fill [2020-11-30 00:21:51,083 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_sub [2020-11-30 00:21:51,083 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_add_return [2020-11-30 00:21:51,083 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2020-11-30 00:21:51,084 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_cleanup [2020-11-30 00:21:51,084 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2020-11-30 00:21:51,084 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2020-11-30 00:21:51,084 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2020-11-30 00:21:51,084 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2020-11-30 00:21:51,084 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_set_drvdata [2020-11-30 00:21:51,085 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_create [2020-11-30 00:21:51,085 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_del [2020-11-30 00:21:51,085 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_del [2020-11-30 00:21:51,085 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2020-11-30 00:21:51,085 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_del [2020-11-30 00:21:51,085 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_get [2020-11-30 00:21:51,085 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2020-11-30 00:21:51,086 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2020-11-30 00:21:51,086 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init [2020-11-30 00:21:51,086 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_sub_return [2020-11-30 00:21:51,086 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add_tail [2020-11-30 00:21:51,086 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2020-11-30 00:21:51,086 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure free_16 [2020-11-30 00:21:51,086 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure entry_point [2020-11-30 00:21:51,087 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2020-11-30 00:21:51,087 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_destroy_msgs [2020-11-30 00:21:51,087 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2020-11-30 00:21:51,087 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2020-11-30 00:21:51,087 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_release [2020-11-30 00:21:51,087 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2020-11-30 00:21:51,087 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure alloc_16 [2020-11-30 00:21:51,088 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2020-11-30 00:21:51,088 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2020-11-30 00:21:51,088 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_put [2020-11-30 00:21:51,088 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_get [2020-11-30 00:21:51,089 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_get_drvdata [2020-11-30 00:21:51,099 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2020-11-30 00:21:51,100 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-30 00:21:51,100 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 00:21:51,101 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 00:21:51,101 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:21:51,187 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_dab17123-4802-4f82-9984-818bee020709/bin/uautomizer/witness.graphml [2020-11-30 00:21:51,187 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:21:51,188 INFO L168 Benchmark]: Toolchain (without parser) took 122782.24 ms. Allocated memory was 71.3 MB in the beginning and 142.6 MB in the end (delta: 71.3 MB). Free memory was 55.0 MB in the beginning and 52.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 74.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:21:51,189 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 71.3 MB. Free memory is still 54.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:21:51,190 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1009.53 ms. Allocated memory is still 71.3 MB. Free memory was 54.8 MB in the beginning and 49.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:21:51,190 INFO L168 Benchmark]: Boogie Preprocessor took 128.69 ms. Allocated memory is still 71.3 MB. Free memory was 49.0 MB in the beginning and 44.2 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:21:51,190 INFO L168 Benchmark]: RCFGBuilder took 2094.17 ms. Allocated memory was 71.3 MB in the beginning and 96.5 MB in the end (delta: 25.2 MB). Free memory was 44.2 MB in the beginning and 67.5 MB in the end (delta: -23.3 MB). Peak memory consumption was 39.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:21:51,191 INFO L168 Benchmark]: TraceAbstraction took 119422.95 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 67.5 MB in the beginning and 58.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 55.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:21:51,191 INFO L168 Benchmark]: Witness Printer took 118.55 ms. Allocated memory is still 142.6 MB. Free memory was 58.4 MB in the beginning and 52.4 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:21:51,193 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 71.3 MB. Free memory is still 54.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1009.53 ms. Allocated memory is still 71.3 MB. Free memory was 54.8 MB in the beginning and 49.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 128.69 ms. Allocated memory is still 71.3 MB. Free memory was 49.0 MB in the beginning and 44.2 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2094.17 ms. Allocated memory was 71.3 MB in the beginning and 96.5 MB in the end (delta: 25.2 MB). Free memory was 44.2 MB in the beginning and 67.5 MB in the end (delta: -23.3 MB). Peak memory consumption was 39.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 119422.95 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 67.5 MB in the beginning and 58.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 55.5 MB. Max. memory is 16.1 GB. * Witness Printer took 118.55 ms. Allocated memory is still 142.6 MB. Free memory was 58.4 MB in the beginning and 52.4 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 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: 777]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 769]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 769]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 769]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 74 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 347 locations, 74 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 119.3s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 84.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 260 SDtfs, 205 SDslu, 1254 SDs, 0 SdLazy, 814 SolverSat, 94 SolverUnsat, 83 SolverUnknown, 0 SolverNotchecked, 76.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 462 GetRequests, 334 SyntacticMatches, 5 SemanticMatches, 123 ConstructedPredicates, 15 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 34.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=107occurred 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, 9 MinimizatonAttempts, 29 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 30.5s InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 426 ConstructedInterpolants, 36 QuantifiedInterpolants, 74382 SizeOfPredicates, 29 NumberOfNonLiveVariables, 771 ConjunctsInSsa, 108 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 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...