./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.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_eea8939b-5eca-42b7-b3c5-574cf436b15b/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_eea8939b-5eca-42b7-b3c5-574cf436b15b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_eea8939b-5eca-42b7-b3c5-574cf436b15b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_eea8939b-5eca-42b7-b3c5-574cf436b15b/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_eea8939b-5eca-42b7-b3c5-574cf436b15b/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_eea8939b-5eca-42b7-b3c5-574cf436b15b/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 b6943849e6f46346ed71c5d8e09de50318fefe6a .................................................................................................................................. 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_eea8939b-5eca-42b7-b3c5-574cf436b15b/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_eea8939b-5eca-42b7-b3c5-574cf436b15b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_eea8939b-5eca-42b7-b3c5-574cf436b15b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_eea8939b-5eca-42b7-b3c5-574cf436b15b/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_eea8939b-5eca-42b7-b3c5-574cf436b15b/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_eea8939b-5eca-42b7-b3c5-574cf436b15b/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 b6943849e6f46346ed71c5d8e09de50318fefe6a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 22:37:09,866 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:37:09,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:37:09,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:37:09,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:37:09,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:37:09,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:37:09,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:37:09,952 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:37:09,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:37:09,959 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:37:09,961 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:37:09,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:37:09,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:37:09,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:37:09,971 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:37:09,972 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:37:09,974 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:37:09,980 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:37:09,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:37:09,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:37:09,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:37:09,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:37:09,997 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:37:10,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:37:10,002 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:37:10,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:37:10,003 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:37:10,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:37:10,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:37:10,005 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:37:10,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:37:10,007 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:37:10,008 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:37:10,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:37:10,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:37:10,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:37:10,011 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:37:10,011 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:37:10,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:37:10,013 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:37:10,014 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_eea8939b-5eca-42b7-b3c5-574cf436b15b/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-11-29 22:37:10,039 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:37:10,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:37:10,041 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:37:10,041 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:37:10,041 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 22:37:10,041 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:37:10,042 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:37:10,042 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 22:37:10,042 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 22:37:10,042 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:37:10,042 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:37:10,043 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-29 22:37:10,043 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-29 22:37:10,043 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-29 22:37:10,043 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:37:10,043 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-29 22:37:10,044 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:37:10,044 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:37:10,044 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:37:10,044 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 22:37:10,044 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:37:10,045 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 22:37:10,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:37:10,045 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:37:10,045 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:37:10,046 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 22:37:10,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 22:37:10,046 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 22:37:10,046 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_eea8939b-5eca-42b7-b3c5-574cf436b15b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_eea8939b-5eca-42b7-b3c5-574cf436b15b/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6943849e6f46346ed71c5d8e09de50318fefe6a [2020-11-29 22:37:10,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:37:10,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:37:10,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:37:10,317 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:37:10,318 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:37:10,319 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_eea8939b-5eca-42b7-b3c5-574cf436b15b/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.i [2020-11-29 22:37:10,394 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eea8939b-5eca-42b7-b3c5-574cf436b15b/bin/uautomizer/data/e19b54810/b2066131c99c441e8d8e1201fbda37da/FLAGa7879dcc8 [2020-11-29 22:37:10,917 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:37:10,917 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_eea8939b-5eca-42b7-b3c5-574cf436b15b/sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.i [2020-11-29 22:37:10,939 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eea8939b-5eca-42b7-b3c5-574cf436b15b/bin/uautomizer/data/e19b54810/b2066131c99c441e8d8e1201fbda37da/FLAGa7879dcc8 [2020-11-29 22:37:11,210 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_eea8939b-5eca-42b7-b3c5-574cf436b15b/bin/uautomizer/data/e19b54810/b2066131c99c441e8d8e1201fbda37da [2020-11-29 22:37:11,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:37:11,214 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-29 22:37:11,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:37:11,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:37:11,219 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:37:11,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:37:11" (1/1) ... [2020-11-29 22:37:11,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f037d30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:37:11, skipping insertion in model container [2020-11-29 22:37:11,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:37:11" (1/1) ... [2020-11-29 22:37:11,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:37:11,276 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:37:11,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:37:11,758 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) [2020-11-29 22:37:11,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@66179ddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:37:11, skipping insertion in model container [2020-11-29 22:37:11,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:37:11,760 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-11-29 22:37:11,763 INFO L168 Benchmark]: Toolchain (without parser) took 547.03 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 44.5 MB in the beginning and 70.8 MB in the end (delta: -26.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 22:37:11,765 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 79.7 MB. Free memory was 53.4 MB in the beginning and 53.4 MB in the end (delta: 26.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:37:11,767 INFO L168 Benchmark]: CACSL2BoogieTranslator took 544.47 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 44.3 MB in the beginning and 70.8 MB in the end (delta: -26.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 22:37:11,772 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 79.7 MB. Free memory was 53.4 MB in the beginning and 53.4 MB in the end (delta: 26.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 544.47 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 44.3 MB in the beginning and 70.8 MB in the end (delta: -26.5 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 [2020-11-29 22:37:14,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:37:14,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:37:14,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:37:14,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:37:14,188 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:37:14,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:37:14,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:37:14,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:37:14,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:37:14,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:37:14,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:37:14,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:37:14,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:37:14,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:37:14,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:37:14,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:37:14,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:37:14,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:37:14,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:37:14,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:37:14,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:37:14,249 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:37:14,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:37:14,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:37:14,254 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:37:14,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:37:14,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:37:14,256 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:37:14,257 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:37:14,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:37:14,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:37:14,259 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:37:14,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:37:14,262 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:37:14,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:37:14,263 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:37:14,263 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:37:14,264 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:37:14,265 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:37:14,266 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:37:14,267 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_eea8939b-5eca-42b7-b3c5-574cf436b15b/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-11-29 22:37:14,296 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:37:14,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:37:14,298 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:37:14,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:37:14,298 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 22:37:14,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:37:14,299 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:37:14,299 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 22:37:14,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 22:37:14,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:37:14,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:37:14,300 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-29 22:37:14,300 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-29 22:37:14,300 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-29 22:37:14,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:37:14,300 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-29 22:37:14,301 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 22:37:14,301 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 22:37:14,301 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:37:14,301 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:37:14,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:37:14,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 22:37:14,302 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:37:14,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 22:37:14,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:37:14,302 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:37:14,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:37:14,303 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 22:37:14,303 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 22:37:14,303 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 22:37:14,303 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 22:37:14,304 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_eea8939b-5eca-42b7-b3c5-574cf436b15b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_eea8939b-5eca-42b7-b3c5-574cf436b15b/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6943849e6f46346ed71c5d8e09de50318fefe6a [2020-11-29 22:37:14,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:37:14,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:37:14,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:37:14,716 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:37:14,717 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:37:14,718 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_eea8939b-5eca-42b7-b3c5-574cf436b15b/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.i [2020-11-29 22:37:14,787 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eea8939b-5eca-42b7-b3c5-574cf436b15b/bin/uautomizer/data/146edbca9/850a749c5e854f6fb947e5af7bde8923/FLAG4ad2748ad [2020-11-29 22:37:15,494 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:37:15,495 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_eea8939b-5eca-42b7-b3c5-574cf436b15b/sv-benchmarks/c/ldv-memsafety/memleaks_test20-2.i [2020-11-29 22:37:15,514 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eea8939b-5eca-42b7-b3c5-574cf436b15b/bin/uautomizer/data/146edbca9/850a749c5e854f6fb947e5af7bde8923/FLAG4ad2748ad [2020-11-29 22:37:15,780 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_eea8939b-5eca-42b7-b3c5-574cf436b15b/bin/uautomizer/data/146edbca9/850a749c5e854f6fb947e5af7bde8923 [2020-11-29 22:37:15,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:37:15,783 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-29 22:37:15,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:37:15,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:37:15,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:37:15,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:37:15" (1/1) ... [2020-11-29 22:37:15,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6669c169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:37:15, skipping insertion in model container [2020-11-29 22:37:15,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:37:15" (1/1) ... [2020-11-29 22:37:15,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:37:15,886 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:37:16,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:37:16,347 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-29 22:37:16,354 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:37:16,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:37:16,414 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:37:16,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:37:16,593 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:37:16,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:37:16 WrapperNode [2020-11-29 22:37:16,594 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:37:16,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:37:16,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:37:16,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:37:16,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:37:16" (1/1) ... [2020-11-29 22:37:16,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:37:16" (1/1) ... [2020-11-29 22:37:16,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:37:16" (1/1) ... [2020-11-29 22:37:16,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:37:16" (1/1) ... [2020-11-29 22:37:16,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:37:16" (1/1) ... [2020-11-29 22:37:16,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:37:16" (1/1) ... [2020-11-29 22:37:16,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:37:16" (1/1) ... [2020-11-29 22:37:16,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:37:16,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:37:16,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:37:16,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:37:16,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:37:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eea8939b-5eca-42b7-b3c5-574cf436b15b/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 [2020-11-29 22:37:16,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-29 22:37:16,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:37:16,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-11-29 22:37:16,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-11-29 22:37:16,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-11-29 22:37:16,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-11-29 22:37:16,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-11-29 22:37:16,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-11-29 22:37:16,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-11-29 22:37:16,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-11-29 22:37:16,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-11-29 22:37:16,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-11-29 22:37:16,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-11-29 22:37:16,838 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-11-29 22:37:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-11-29 22:37:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-11-29 22:37:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-11-29 22:37:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-11-29 22:37:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-11-29 22:37:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-11-29 22:37:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-11-29 22:37:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-11-29 22:37:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-11-29 22:37:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-11-29 22:37:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-11-29 22:37:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-11-29 22:37:16,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-11-29 22:37:16,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-11-29 22:37:16,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-11-29 22:37:16,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-11-29 22:37:16,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-11-29 22:37:16,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-11-29 22:37:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-11-29 22:37:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-11-29 22:37:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-11-29 22:37:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-11-29 22:37:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-11-29 22:37:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-11-29 22:37:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-11-29 22:37:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-11-29 22:37:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-11-29 22:37:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-11-29 22:37:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_device [2020-11-29 22:37:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_device [2020-11-29 22:37:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_deregister_device [2020-11-29 22:37:16,844 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_20 [2020-11-29 22:37:16,844 INFO L138 BoogieDeclarations]: Found implementation of procedure free_20 [2020-11-29 22:37:16,845 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-11-29 22:37:16,845 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-29 22:37:16,845 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-11-29 22:37:16,845 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-11-29 22:37:16,846 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-11-29 22:37:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-11-29 22:37:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-11-29 22:37:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-11-29 22:37:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-11-29 22:37:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-11-29 22:37:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-11-29 22:37:16,848 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-11-29 22:37:16,848 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-11-29 22:37:16,848 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-11-29 22:37:16,848 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-11-29 22:37:16,849 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-11-29 22:37:16,849 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-11-29 22:37:16,849 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-11-29 22:37:16,850 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-11-29 22:37:16,851 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-11-29 22:37:16,851 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-11-29 22:37:16,851 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-11-29 22:37:16,852 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-11-29 22:37:16,852 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-11-29 22:37:16,852 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-11-29 22:37:16,852 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-11-29 22:37:16,852 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-11-29 22:37:16,852 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-11-29 22:37:16,853 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-11-29 22:37:16,853 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-11-29 22:37:16,853 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-11-29 22:37:16,853 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-11-29 22:37:16,854 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-11-29 22:37:16,854 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-11-29 22:37:16,854 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-11-29 22:37:16,855 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-11-29 22:37:16,855 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-11-29 22:37:16,855 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-11-29 22:37:16,855 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-11-29 22:37:16,855 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-11-29 22:37:16,855 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-11-29 22:37:16,855 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-11-29 22:37:16,856 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-11-29 22:37:16,856 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-11-29 22:37:16,856 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-11-29 22:37:16,856 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-11-29 22:37:16,857 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-11-29 22:37:16,857 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-11-29 22:37:16,857 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-11-29 22:37:16,857 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-11-29 22:37:16,857 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-11-29 22:37:16,857 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-11-29 22:37:16,857 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-11-29 22:37:16,858 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-11-29 22:37:16,858 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-11-29 22:37:16,858 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-11-29 22:37:16,858 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-11-29 22:37:16,858 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-11-29 22:37:16,858 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-11-29 22:37:16,858 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-11-29 22:37:16,859 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-29 22:37:16,859 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-11-29 22:37:16,859 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-11-29 22:37:16,860 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-29 22:37:16,860 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-11-29 22:37:16,861 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-11-29 22:37:16,861 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-11-29 22:37:16,861 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-11-29 22:37:16,861 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-29 22:37:16,861 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-11-29 22:37:16,862 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-11-29 22:37:16,862 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-11-29 22:37:16,862 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-29 22:37:16,862 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-11-29 22:37:16,862 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-11-29 22:37:16,862 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-11-29 22:37:16,863 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-11-29 22:37:16,864 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-11-29 22:37:16,864 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-11-29 22:37:16,867 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-11-29 22:37:16,867 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-11-29 22:37:16,867 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-11-29 22:37:16,868 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-11-29 22:37:16,868 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-11-29 22:37:16,868 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-11-29 22:37:16,869 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-11-29 22:37:16,869 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-11-29 22:37:16,869 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-11-29 22:37:16,871 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-11-29 22:37:16,871 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-11-29 22:37:16,871 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-11-29 22:37:16,877 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-11-29 22:37:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-11-29 22:37:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-11-29 22:37:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-11-29 22:37:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-11-29 22:37:16,878 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-11-29 22:37:16,879 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-11-29 22:37:16,879 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-11-29 22:37:16,879 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-11-29 22:37:16,879 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-11-29 22:37:16,879 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-11-29 22:37:16,879 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-11-29 22:37:16,879 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-11-29 22:37:16,880 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-11-29 22:37:16,880 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-11-29 22:37:16,880 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-11-29 22:37:16,880 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-11-29 22:37:16,880 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-11-29 22:37:16,880 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-11-29 22:37:16,880 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-11-29 22:37:16,880 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-11-29 22:37:16,881 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-11-29 22:37:16,881 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-29 22:37:16,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-11-29 22:37:16,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-11-29 22:37:16,881 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-11-29 22:37:16,881 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-11-29 22:37:16,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-11-29 22:37:16,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-29 22:37:16,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-11-29 22:37:16,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-11-29 22:37:16,882 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-11-29 22:37:16,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-29 22:37:16,882 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-11-29 22:37:16,882 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-11-29 22:37:16,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-11-29 22:37:16,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-29 22:37:16,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-11-29 22:37:16,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-11-29 22:37:16,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-11-29 22:37:16,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-11-29 22:37:16,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-11-29 22:37:16,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-11-29 22:37:16,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 22:37:16,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-11-29 22:37:16,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-11-29 22:37:16,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-11-29 22:37:16,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-11-29 22:37:16,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-11-29 22:37:16,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-29 22:37:16,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-29 22:37:16,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-11-29 22:37:16,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-11-29 22:37:16,885 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-11-29 22:37:16,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-11-29 22:37:16,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-11-29 22:37:16,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-11-29 22:37:16,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-11-29 22:37:16,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-11-29 22:37:16,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-11-29 22:37:16,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-11-29 22:37:16,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-11-29 22:37:16,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-11-29 22:37:16,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-11-29 22:37:16,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-11-29 22:37:16,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-11-29 22:37:16,887 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-11-29 22:37:16,887 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-11-29 22:37:16,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_device [2020-11-29 22:37:16,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_device [2020-11-29 22:37:16,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_deregister_device [2020-11-29 22:37:16,887 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_20 [2020-11-29 22:37:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure free_20 [2020-11-29 22:37:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-11-29 22:37:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-29 22:37:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-29 22:37:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:37:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-29 22:37:16,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:37:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-11-29 22:37:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-11-29 22:37:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-11-29 22:37:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-11-29 22:37:16,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-11-29 22:37:17,732 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-29 22:37:18,204 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-29 22:37:18,662 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:37:18,662 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-29 22:37:18,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:37:18 BoogieIcfgContainer [2020-11-29 22:37:18,667 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:37:18,670 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 22:37:18,670 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 22:37:18,673 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 22:37:18,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 10:37:15" (1/3) ... [2020-11-29 22:37:18,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8b096c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:37:18, skipping insertion in model container [2020-11-29 22:37:18,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:37:16" (2/3) ... [2020-11-29 22:37:18,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8b096c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:37:18, skipping insertion in model container [2020-11-29 22:37:18,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:37:18" (3/3) ... [2020-11-29 22:37:18,677 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test20-2.i [2020-11-29 22:37:18,688 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 22:37:18,693 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2020-11-29 22:37:18,704 INFO L253 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2020-11-29 22:37:18,731 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 22:37:18,731 INFO L378 AbstractCegarLoop]: Hoare is false [2020-11-29 22:37:18,731 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 22:37:18,731 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 22:37:18,731 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 22:37:18,732 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 22:37:18,732 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 22:37:18,732 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 22:37:18,756 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2020-11-29 22:37:18,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 22:37:18,765 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:37:18,765 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] [2020-11-29 22:37:18,767 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 22:37:18,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:37:18,778 INFO L82 PathProgramCache]: Analyzing trace with hash -2108151956, now seen corresponding path program 1 times [2020-11-29 22:37:18,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 22:37:18,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1387026580] [2020-11-29 22:37:18,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eea8939b-5eca-42b7-b3c5-574cf436b15b/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 [2020-11-29 22:37:19,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:37:19,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 22:37:19,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:37:19,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:37:19,111 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 22:37:19,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:37:19,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1387026580] [2020-11-29 22:37:19,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:37:19,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-29 22:37:19,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889977238] [2020-11-29 22:37:19,257 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 22:37:19,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 22:37:19,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 22:37:19,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:37:19,274 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 5 states. [2020-11-29 22:37:19,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:37:19,314 INFO L93 Difference]: Finished difference Result 50 states and 53 transitions. [2020-11-29 22:37:19,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 22:37:19,316 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-29 22:37:19,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:37:19,326 INFO L225 Difference]: With dead ends: 50 [2020-11-29 22:37:19,326 INFO L226 Difference]: Without dead ends: 47 [2020-11-29 22:37:19,328 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:37:19,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-11-29 22:37:19,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 44. [2020-11-29 22:37:19,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-11-29 22:37:19,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 46 transitions. [2020-11-29 22:37:19,374 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 46 transitions. Word has length 24 [2020-11-29 22:37:19,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:37:19,375 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 46 transitions. [2020-11-29 22:37:19,375 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 22:37:19,375 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2020-11-29 22:37:19,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 22:37:19,376 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:37:19,377 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] [2020-11-29 22:37:19,596 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 22:37:19,596 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 22:37:19,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:37:19,597 INFO L82 PathProgramCache]: Analyzing trace with hash -600600147, now seen corresponding path program 1 times [2020-11-29 22:37:19,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 22:37:19,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1191622746] [2020-11-29 22:37:19,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eea8939b-5eca-42b7-b3c5-574cf436b15b/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 [2020-11-29 22:37:19,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:37:19,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 21 conjunts are in the unsatisfiable core [2020-11-29 22:37:19,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:37:19,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:37:19,963 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 22:37:20,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:37:20,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1191622746] [2020-11-29 22:37:20,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:37:20,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2020-11-29 22:37:20,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539795293] [2020-11-29 22:37:20,183 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-29 22:37:20,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 22:37:20,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-29 22:37:20,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-11-29 22:37:20,186 INFO L87 Difference]: Start difference. First operand 44 states and 46 transitions. Second operand 9 states. [2020-11-29 22:37:20,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:37:20,680 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2020-11-29 22:37:20,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-29 22:37:20,680 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2020-11-29 22:37:20,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:37:20,682 INFO L225 Difference]: With dead ends: 60 [2020-11-29 22:37:20,682 INFO L226 Difference]: Without dead ends: 60 [2020-11-29 22:37:20,683 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-11-29 22:37:20,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-11-29 22:37:20,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 55. [2020-11-29 22:37:20,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-29 22:37:20,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 57 transitions. [2020-11-29 22:37:20,692 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 57 transitions. Word has length 24 [2020-11-29 22:37:20,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:37:20,692 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 57 transitions. [2020-11-29 22:37:20,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-29 22:37:20,693 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2020-11-29 22:37:20,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 22:37:20,694 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:37:20,694 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:37:20,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-29 22:37:20,907 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 22:37:20,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:37:20,908 INFO L82 PathProgramCache]: Analyzing trace with hash 976042921, now seen corresponding path program 1 times [2020-11-29 22:37:20,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 22:37:20,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1148095141] [2020-11-29 22:37:20,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eea8939b-5eca-42b7-b3c5-574cf436b15b/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 [2020-11-29 22:37:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:37:21,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 13 conjunts are in the unsatisfiable core [2020-11-29 22:37:21,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:37:21,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:37:21,250 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 22:37:21,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:37:21,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1148095141] [2020-11-29 22:37:21,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:37:21,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 12 [2020-11-29 22:37:21,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078352702] [2020-11-29 22:37:21,566 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-29 22:37:21,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 22:37:21,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-29 22:37:21,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-11-29 22:37:21,567 INFO L87 Difference]: Start difference. First operand 55 states and 57 transitions. Second operand 13 states. [2020-11-29 22:37:21,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:37:21,812 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2020-11-29 22:37:21,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-29 22:37:21,813 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 28 [2020-11-29 22:37:21,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:37:21,814 INFO L225 Difference]: With dead ends: 55 [2020-11-29 22:37:21,814 INFO L226 Difference]: Without dead ends: 55 [2020-11-29 22:37:21,815 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-11-29 22:37:21,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-29 22:37:21,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 54. [2020-11-29 22:37:21,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-11-29 22:37:21,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 55 transitions. [2020-11-29 22:37:21,822 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 55 transitions. Word has length 28 [2020-11-29 22:37:21,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:37:21,823 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 55 transitions. [2020-11-29 22:37:21,823 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-29 22:37:21,823 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 55 transitions. [2020-11-29 22:37:21,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 22:37:21,824 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:37:21,824 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] [2020-11-29 22:37:22,032 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-29 22:37:22,034 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 22:37:22,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:37:22,034 INFO L82 PathProgramCache]: Analyzing trace with hash 192559894, now seen corresponding path program 1 times [2020-11-29 22:37:22,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 22:37:22,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [361284710] [2020-11-29 22:37:22,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eea8939b-5eca-42b7-b3c5-574cf436b15b/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 [2020-11-29 22:37:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:37:22,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-29 22:37:22,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:37:22,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:37:22,694 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 22:37:23,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:37:23,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [361284710] [2020-11-29 22:37:23,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:37:23,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 10] imperfect sequences [] total 21 [2020-11-29 22:37:23,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993378299] [2020-11-29 22:37:23,314 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-11-29 22:37:23,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 22:37:23,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-11-29 22:37:23,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2020-11-29 22:37:23,315 INFO L87 Difference]: Start difference. First operand 54 states and 55 transitions. Second operand 22 states. [2020-11-29 22:37:24,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:37:24,736 INFO L93 Difference]: Finished difference Result 77 states and 77 transitions. [2020-11-29 22:37:24,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-11-29 22:37:24,736 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 29 [2020-11-29 22:37:24,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:37:24,738 INFO L225 Difference]: With dead ends: 77 [2020-11-29 22:37:24,738 INFO L226 Difference]: Without dead ends: 77 [2020-11-29 22:37:24,739 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=250, Invalid=1232, Unknown=0, NotChecked=0, Total=1482 [2020-11-29 22:37:24,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-11-29 22:37:24,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 53. [2020-11-29 22:37:24,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-11-29 22:37:24,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 54 transitions. [2020-11-29 22:37:24,746 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 54 transitions. Word has length 29 [2020-11-29 22:37:24,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:37:24,746 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 54 transitions. [2020-11-29 22:37:24,746 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-11-29 22:37:24,746 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2020-11-29 22:37:24,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 22:37:24,747 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:37:24,747 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] [2020-11-29 22:37:24,948 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-29 22:37:24,948 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 22:37:24,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:37:24,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1674389835, now seen corresponding path program 1 times [2020-11-29 22:37:24,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 22:37:24,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1993621040] [2020-11-29 22:37:24,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eea8939b-5eca-42b7-b3c5-574cf436b15b/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 [2020-11-29 22:37:25,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:37:25,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-29 22:37:25,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:37:25,230 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 [2020-11-29 22:37:25,230 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 22:37:25,245 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 22:37:25,246 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 22:37:25,246 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-11-29 22:37:25,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:37:25,455 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 22:37:25,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:37:25,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1993621040] [2020-11-29 22:37:25,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:37:25,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 10] imperfect sequences [] total 13 [2020-11-29 22:37:25,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560749145] [2020-11-29 22:37:25,765 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-29 22:37:25,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 22:37:25,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-29 22:37:25,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2020-11-29 22:37:25,766 INFO L87 Difference]: Start difference. First operand 53 states and 54 transitions. Second operand 14 states. [2020-11-29 22:37:26,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:37:26,300 INFO L93 Difference]: Finished difference Result 71 states and 73 transitions. [2020-11-29 22:37:26,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-11-29 22:37:26,301 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 30 [2020-11-29 22:37:26,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:37:26,302 INFO L225 Difference]: With dead ends: 71 [2020-11-29 22:37:26,303 INFO L226 Difference]: Without dead ends: 71 [2020-11-29 22:37:26,303 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 45 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2020-11-29 22:37:26,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-11-29 22:37:26,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 66. [2020-11-29 22:37:26,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-11-29 22:37:26,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 69 transitions. [2020-11-29 22:37:26,316 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 69 transitions. Word has length 30 [2020-11-29 22:37:26,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:37:26,318 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 69 transitions. [2020-11-29 22:37:26,318 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-29 22:37:26,318 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 69 transitions. [2020-11-29 22:37:26,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 22:37:26,321 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:37:26,321 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] [2020-11-29 22:37:26,538 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-29 22:37:26,538 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 22:37:26,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:37:26,539 INFO L82 PathProgramCache]: Analyzing trace with hash 1885740748, now seen corresponding path program 1 times [2020-11-29 22:37:26,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 22:37:26,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [739147202] [2020-11-29 22:37:26,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eea8939b-5eca-42b7-b3c5-574cf436b15b/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 [2020-11-29 22:37:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:37:26,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 22:37:26,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:37:26,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:37:26,809 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 22:37:26,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:37:26,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [739147202] [2020-11-29 22:37:26,910 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:37:26,910 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-29 22:37:26,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684331134] [2020-11-29 22:37:26,911 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 22:37:26,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 22:37:26,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 22:37:26,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:37:26,911 INFO L87 Difference]: Start difference. First operand 66 states and 69 transitions. Second operand 5 states. [2020-11-29 22:37:26,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:37:26,930 INFO L93 Difference]: Finished difference Result 52 states and 52 transitions. [2020-11-29 22:37:26,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 22:37:26,930 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-11-29 22:37:26,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:37:26,932 INFO L225 Difference]: With dead ends: 52 [2020-11-29 22:37:26,932 INFO L226 Difference]: Without dead ends: 52 [2020-11-29 22:37:26,932 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:37:26,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-11-29 22:37:26,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-11-29 22:37:26,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-11-29 22:37:26,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2020-11-29 22:37:26,938 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 52 transitions. Word has length 30 [2020-11-29 22:37:26,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:37:26,938 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 52 transitions. [2020-11-29 22:37:26,938 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 22:37:26,938 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2020-11-29 22:37:26,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 22:37:26,939 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:37:26,939 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] [2020-11-29 22:37:27,155 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-29 22:37:27,156 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 22:37:27,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:37:27,156 INFO L82 PathProgramCache]: Analyzing trace with hash 844909557, now seen corresponding path program 1 times [2020-11-29 22:37:27,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 22:37:27,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [574855227] [2020-11-29 22:37:27,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eea8939b-5eca-42b7-b3c5-574cf436b15b/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 [2020-11-29 22:37:27,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:37:27,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-29 22:37:27,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:37:27,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:37:27,335 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 22:37:27,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:37:27,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [574855227] [2020-11-29 22:37:27,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:37:27,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-29 22:37:27,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949150162] [2020-11-29 22:37:27,537 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:37:27,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 22:37:27,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:37:27,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:37:27,538 INFO L87 Difference]: Start difference. First operand 52 states and 52 transitions. Second operand 3 states. [2020-11-29 22:37:27,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:37:27,630 INFO L93 Difference]: Finished difference Result 56 states and 55 transitions. [2020-11-29 22:37:27,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:37:27,631 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2020-11-29 22:37:27,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:37:27,632 INFO L225 Difference]: With dead ends: 56 [2020-11-29 22:37:27,632 INFO L226 Difference]: Without dead ends: 37 [2020-11-29 22:37:27,632 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:37:27,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-11-29 22:37:27,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-11-29 22:37:27,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-11-29 22:37:27,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 36 transitions. [2020-11-29 22:37:27,635 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 36 transitions. Word has length 29 [2020-11-29 22:37:27,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:37:27,636 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 36 transitions. [2020-11-29 22:37:27,636 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:37:27,636 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 36 transitions. [2020-11-29 22:37:27,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-29 22:37:27,637 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:37:27,637 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, 1, 1, 1, 1, 1, 1] [2020-11-29 22:37:27,837 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-11-29 22:37:27,838 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_20Err0ASSERT_VIOLATIONMEMORY_FREE, free_20Err1ASSERT_VIOLATIONMEMORY_FREE, free_20Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 22:37:27,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:37:27,838 INFO L82 PathProgramCache]: Analyzing trace with hash -548127480, now seen corresponding path program 1 times [2020-11-29 22:37:27,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 22:37:27,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [290436353] [2020-11-29 22:37:27,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eea8939b-5eca-42b7-b3c5-574cf436b15b/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 [2020-11-29 22:37:28,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:37:28,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 25 conjunts are in the unsatisfiable core [2020-11-29 22:37:28,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:37:28,127 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2020-11-29 22:37:28,129 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 22:37:28,131 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 22:37:28,131 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. [2020-11-29 22:37:28,132 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2020-11-29 22:37:28,225 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2020-11-29 22:37:28,226 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 22:37:28,241 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 22:37:28,241 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 22:37:28,241 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:3 [2020-11-29 22:37:36,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:37:36,494 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 22:37:58,994 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_18|]} [2020-11-29 22:37:59,008 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_18| v_~saved_device_20~0.base_121))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_1))))) (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1)))))) (= |v_old(#valid)_BEFORE_CALL_17| |c_#valid|))) is different from false [2020-11-29 22:37:59,034 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_18|]} [2020-11-29 22:37:59,055 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_18|]} [2020-11-29 22:37:59,065 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_18| v_~saved_device_20~0.base_121))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_1))))) (= (store |c_#valid| c_free_20_~p~1.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1)))))))) is different from false [2020-11-29 22:37:59,072 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_18| v_~saved_device_20~0.base_121))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_1))))) (= (store |c_#valid| c_free_20_~p~1.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1)))))))) is different from true [2020-11-29 22:37:59,096 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_18|]} [2020-11-29 22:37:59,116 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_18|]} [2020-11-29 22:37:59,142 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_18|]} [2020-11-29 22:37:59,150 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_18| v_~saved_device_20~0.base_121))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_1))))) (= (store |c_#valid| c_free_20_~dev~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1)))))))) is different from false [2020-11-29 22:37:59,155 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_18| v_~saved_device_20~0.base_121))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_1))))) (= (store |c_#valid| c_free_20_~dev~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1)))))))) is different from true [2020-11-29 22:37:59,169 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_18|]} [2020-11-29 22:37:59,183 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_18| v_~saved_device_20~0.base_121))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_1))))) (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1)))))) (= |v_old(#valid)_BEFORE_CALL_17| (store |c_#valid| |c_free_20_#t~ret39.base| (_ bv0 1))))) is different from false [2020-11-29 22:37:59,220 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_18|]} [2020-11-29 22:37:59,228 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_18| v_~saved_device_20~0.base_121))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_1))))) (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1)))))) (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|))) is different from false [2020-11-29 22:37:59,234 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_18| v_~saved_device_20~0.base_121))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_1))))) (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1)))))) (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|))) is different from true [2020-11-29 22:37:59,263 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-11-29 22:37:59,284 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-11-29 22:37:59,293 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_5, v_prenex_4], 5=[v_prenex_3]} [2020-11-29 22:37:59,298 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|, |v_old(#valid)_BEFORE_CALL_19|], 5=[|v_old(#valid)_BEFORE_CALL_18|]} [2020-11-29 22:37:59,317 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_19| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_4 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_2 (_ BitVec 32))) (or (not (= (_ bv0 1) (select v_prenex_3 v_prenex_2))) (= (store v_prenex_3 v_prenex_2 (_ bv0 1)) v_prenex_4))) (forall ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |v_old(#valid)_BEFORE_CALL_19| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1) (exists ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (and (not (= (store v_prenex_3 v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_1)) (= (_ bv0 1) (select v_prenex_3 v_~saved_device_20~0.base_121)))))) (not (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_4)))) (= (store |c_#valid| |c_ldv_get_device_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_6 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_6 (_ bv0 1)) v_prenex_5) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_6))))) (not (= (store |v_old(#valid)_BEFORE_CALL_19| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_5)))) (exists ((v_prenex_7 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_7 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_7)))))) is different from false [2020-11-29 22:37:59,332 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_19| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_4 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_2 (_ BitVec 32))) (or (not (= (_ bv0 1) (select v_prenex_3 v_prenex_2))) (= (store v_prenex_3 v_prenex_2 (_ bv0 1)) v_prenex_4))) (forall ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |v_old(#valid)_BEFORE_CALL_19| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1) (exists ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (and (not (= (store v_prenex_3 v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_1)) (= (_ bv0 1) (select v_prenex_3 v_~saved_device_20~0.base_121)))))) (not (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_4)))) (= (store |c_#valid| |c_ldv_get_device_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_6 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_6 (_ bv0 1)) v_prenex_5) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_6))))) (not (= (store |v_old(#valid)_BEFORE_CALL_19| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_5)))) (exists ((v_prenex_7 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_7 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_7)))))) is different from true [2020-11-29 22:37:59,356 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-11-29 22:37:59,367 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-11-29 22:37:59,375 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_5, v_prenex_4], 5=[v_prenex_3]} [2020-11-29 22:37:59,381 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|, |v_old(#valid)_BEFORE_CALL_19|], 5=[|v_old(#valid)_BEFORE_CALL_18|]} [2020-11-29 22:37:59,423 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-11-29 22:37:59,429 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-11-29 22:37:59,432 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_5, v_prenex_4], 5=[v_prenex_3]} [2020-11-29 22:37:59,436 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|, |v_old(#valid)_BEFORE_CALL_19|], 5=[|v_old(#valid)_BEFORE_CALL_18|]} [2020-11-29 22:37:59,453 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_19| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_4 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_2 (_ BitVec 32))) (or (not (= (_ bv0 1) (select v_prenex_3 v_prenex_2))) (= (store v_prenex_3 v_prenex_2 (_ bv0 1)) v_prenex_4))) (forall ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |v_old(#valid)_BEFORE_CALL_19| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1) (exists ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (and (not (= (store v_prenex_3 v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_1)) (= (_ bv0 1) (select v_prenex_3 v_~saved_device_20~0.base_121)))))) (not (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_4)))) (exists ((v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_6 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_6 (_ bv0 1)) v_prenex_5) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_6))))) (not (= (store |v_old(#valid)_BEFORE_CALL_19| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_5)))) (exists ((v_prenex_7 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_7 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_7)))) (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|))) is different from false [2020-11-29 22:37:59,459 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_19| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_4 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_2 (_ BitVec 32))) (or (not (= (_ bv0 1) (select v_prenex_3 v_prenex_2))) (= (store v_prenex_3 v_prenex_2 (_ bv0 1)) v_prenex_4))) (forall ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |v_old(#valid)_BEFORE_CALL_19| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1) (exists ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (and (not (= (store v_prenex_3 v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_1)) (= (_ bv0 1) (select v_prenex_3 v_~saved_device_20~0.base_121)))))) (not (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_4)))) (exists ((v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_6 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_6 (_ bv0 1)) v_prenex_5) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_6))))) (not (= (store |v_old(#valid)_BEFORE_CALL_19| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_5)))) (exists ((v_prenex_7 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_7 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_7)))) (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|))) is different from true [2020-11-29 22:38:01,764 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-11-29 22:38:01,769 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_20|]} [2020-11-29 22:38:01,779 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_136 (_ BitVec 32))) (and (forall ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_20| v_~saved_device_20~0.base_121) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_20| v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_8))) (not (= (store |c_old(#valid)| v_~saved_device_20~0.base_136 (_ bv0 1)) v_prenex_8)) (= (select |c_old(#valid)| v_~saved_device_20~0.base_136) (_ bv0 1)))) (exists ((v_prenex_9 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_9) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_9 (_ bv0 1)))))) (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|))) is different from false [2020-11-29 22:38:01,786 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_136 (_ BitVec 32))) (and (forall ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_20| v_~saved_device_20~0.base_121) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_20| v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_8))) (not (= (store |c_old(#valid)| v_~saved_device_20~0.base_136 (_ bv0 1)) v_prenex_8)) (= (select |c_old(#valid)| v_~saved_device_20~0.base_136) (_ bv0 1)))) (exists ((v_prenex_9 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_9) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_9 (_ bv0 1)))))) (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|))) is different from true [2020-11-29 22:38:01,795 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-11-29 22:38:01,802 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_20|]} [2020-11-29 22:38:01,852 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-11-29 22:38:01,857 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_20|]} [2020-11-29 22:38:01,868 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_136 (_ BitVec 32))) (and (forall ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_20| v_~saved_device_20~0.base_121) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_20| v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_8))) (not (= (store |c_old(#valid)| v_~saved_device_20~0.base_136 (_ bv0 1)) v_prenex_8)) (= (select |c_old(#valid)| v_~saved_device_20~0.base_136) (_ bv0 1)))) (exists ((v_prenex_9 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_9) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_9 (_ bv0 1)))))) (= |v_old(#valid)_BEFORE_CALL_17| (store |c_#valid| c_alloc_20_~p~0.base (_ bv0 1))))) is different from false [2020-11-29 22:38:01,873 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_136 (_ BitVec 32))) (and (forall ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_20| v_~saved_device_20~0.base_121) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_20| v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_8))) (not (= (store |c_old(#valid)| v_~saved_device_20~0.base_136 (_ bv0 1)) v_prenex_8)) (= (select |c_old(#valid)| v_~saved_device_20~0.base_136) (_ bv0 1)))) (exists ((v_prenex_9 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_9) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_9 (_ bv0 1)))))) (= |v_old(#valid)_BEFORE_CALL_17| (store |c_#valid| c_alloc_20_~p~0.base (_ bv0 1))))) is different from true [2020-11-29 22:38:01,960 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-11-29 22:38:01,967 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2020-11-29 22:38:01,973 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_11, v_prenex_12], 5=[v_prenex_10]} [2020-11-29 22:38:01,980 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_21|, |v_old(#valid)_BEFORE_CALL_20|]} [2020-11-29 22:38:02,026 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_21| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_12 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_13 (_ BitVec 32))) (and (not (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_21| v_prenex_13 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_21| v_prenex_13) (_ bv0 1)) (forall ((v_prenex_14 (_ BitVec 32))) (or (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_14 (_ bv0 1))) (not (= (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_14) (_ bv0 1))))))) (exists ((v_prenex_10 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_11 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_136 (_ BitVec 32))) (or (exists ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (and (= (select v_prenex_10 v_~saved_device_20~0.base_121) (_ bv0 1)) (not (= (store v_prenex_10 v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_8)))) (not (= (select |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_136) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_136 (_ bv0 1)) v_prenex_8))) (forall ((v_prenex_9 (_ BitVec 32))) (or (= v_prenex_11 (store v_prenex_10 v_prenex_9 (_ bv0 1))) (not (= (select v_prenex_10 v_prenex_9) (_ bv0 1))))) (not (= (store |c_#valid| |c_ldv_register_device_#in~dev.base| (_ bv0 1)) v_prenex_11)))) (exists ((v_prenex_15 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_15) (_ bv0 1)) (not (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_15 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|)))) (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|))) is different from false [2020-11-29 22:38:02,043 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_21| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_12 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_13 (_ BitVec 32))) (and (not (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_21| v_prenex_13 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_21| v_prenex_13) (_ bv0 1)) (forall ((v_prenex_14 (_ BitVec 32))) (or (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_14 (_ bv0 1))) (not (= (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_14) (_ bv0 1))))))) (exists ((v_prenex_10 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_11 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_136 (_ BitVec 32))) (or (exists ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (and (= (select v_prenex_10 v_~saved_device_20~0.base_121) (_ bv0 1)) (not (= (store v_prenex_10 v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_8)))) (not (= (select |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_136) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_136 (_ bv0 1)) v_prenex_8))) (forall ((v_prenex_9 (_ BitVec 32))) (or (= v_prenex_11 (store v_prenex_10 v_prenex_9 (_ bv0 1))) (not (= (select v_prenex_10 v_prenex_9) (_ bv0 1))))) (not (= (store |c_#valid| |c_ldv_register_device_#in~dev.base| (_ bv0 1)) v_prenex_11)))) (exists ((v_prenex_15 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_15) (_ bv0 1)) (not (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_15 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|)))) (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|))) is different from true [2020-11-29 22:38:02,116 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-11-29 22:38:02,124 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2020-11-29 22:38:02,130 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_11, v_prenex_12], 5=[v_prenex_10]} [2020-11-29 22:38:02,137 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_21|, |v_old(#valid)_BEFORE_CALL_20|]} [2020-11-29 22:38:02,265 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-11-29 22:38:02,271 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2020-11-29 22:38:02,274 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_11, v_prenex_12], 5=[v_prenex_10]} [2020-11-29 22:38:02,282 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_21|, |v_old(#valid)_BEFORE_CALL_20|]} [2020-11-29 22:38:02,325 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_21| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_12 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_13 (_ BitVec 32))) (and (not (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_21| v_prenex_13 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_21| v_prenex_13) (_ bv0 1)) (forall ((v_prenex_14 (_ BitVec 32))) (or (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_14 (_ bv0 1))) (not (= (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_14) (_ bv0 1))))))) (exists ((v_prenex_10 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_11 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_136 (_ BitVec 32))) (or (exists ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (and (= (select v_prenex_10 v_~saved_device_20~0.base_121) (_ bv0 1)) (not (= (store v_prenex_10 v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_8)))) (not (= (select |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_136) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_136 (_ bv0 1)) v_prenex_8))) (forall ((v_prenex_9 (_ BitVec 32))) (or (= v_prenex_11 (store v_prenex_10 v_prenex_9 (_ bv0 1))) (not (= (select v_prenex_10 v_prenex_9) (_ bv0 1))))) (not (= (store |c_#valid| |c_ldv_register_device_#in~dev.base| (_ bv0 1)) v_prenex_11)))) (exists ((v_prenex_15 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_15) (_ bv0 1)) (not (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_15 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|)))) (= (store |c_#valid| |c_ldv_register_device_#in~dev.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|))) is different from false [2020-11-29 22:38:02,340 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_21| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_12 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_13 (_ BitVec 32))) (and (not (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_21| v_prenex_13 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_21| v_prenex_13) (_ bv0 1)) (forall ((v_prenex_14 (_ BitVec 32))) (or (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_14 (_ bv0 1))) (not (= (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_14) (_ bv0 1))))))) (exists ((v_prenex_10 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_11 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_136 (_ BitVec 32))) (or (exists ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (and (= (select v_prenex_10 v_~saved_device_20~0.base_121) (_ bv0 1)) (not (= (store v_prenex_10 v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_8)))) (not (= (select |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_136) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_136 (_ bv0 1)) v_prenex_8))) (forall ((v_prenex_9 (_ BitVec 32))) (or (= v_prenex_11 (store v_prenex_10 v_prenex_9 (_ bv0 1))) (not (= (select v_prenex_10 v_prenex_9) (_ bv0 1))))) (not (= (store |c_#valid| |c_ldv_register_device_#in~dev.base| (_ bv0 1)) v_prenex_11)))) (exists ((v_prenex_15 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_15) (_ bv0 1)) (not (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_15 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|)))) (= (store |c_#valid| |c_ldv_register_device_#in~dev.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|))) is different from true [2020-11-29 22:38:02,348 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-11-29 22:38:02,353 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_20|]} [2020-11-29 22:38:02,366 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-11-29 22:38:02,372 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_20|]} [2020-11-29 22:38:02,382 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_17| (store |c_#valid| |c_alloc_20_#t~ret38.base| (_ bv0 1))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_136 (_ BitVec 32))) (and (forall ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_20| v_~saved_device_20~0.base_121) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_20| v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_8))) (not (= (store |c_old(#valid)| v_~saved_device_20~0.base_136 (_ bv0 1)) v_prenex_8)) (= (select |c_old(#valid)| v_~saved_device_20~0.base_136) (_ bv0 1)))) (exists ((v_prenex_9 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_9) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_9 (_ bv0 1)))))))) is different from false [2020-11-29 22:38:02,387 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_17| (store |c_#valid| |c_alloc_20_#t~ret38.base| (_ bv0 1))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_136 (_ BitVec 32))) (and (forall ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_20| v_~saved_device_20~0.base_121) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_20| v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_8))) (not (= (store |c_old(#valid)| v_~saved_device_20~0.base_136 (_ bv0 1)) v_prenex_8)) (= (select |c_old(#valid)| v_~saved_device_20~0.base_136) (_ bv0 1)))) (exists ((v_prenex_9 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_9) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_9 (_ bv0 1)))))))) is different from true [2020-11-29 22:38:02,462 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-11-29 22:38:02,467 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_20|]} [2020-11-29 22:38:02,478 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_alloc_20_#t~ret38.base_83| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_136 (_ BitVec 32))) (and (forall ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_20| v_~saved_device_20~0.base_121) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_20| v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_8))) (not (= (store |c_old(#valid)| v_~saved_device_20~0.base_136 (_ bv0 1)) v_prenex_8)) (= (select |c_old(#valid)| v_~saved_device_20~0.base_136) (_ bv0 1)))) (exists ((v_prenex_9 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_9) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_9 (_ bv0 1)))))) (= |v_old(#valid)_BEFORE_CALL_17| (store |c_#valid| |v_alloc_20_#t~ret38.base_83| (_ bv0 1))) (not (= (_ bv0 1) (select |c_#valid| |v_alloc_20_#t~ret38.base_83|))))) is different from true [2020-11-29 22:38:02,532 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-11-29 22:38:02,539 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-11-29 22:38:02,543 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_17, v_prenex_18], 5=[v_prenex_16]} [2020-11-29 22:38:02,548 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_20|, |v_old(#valid)_BEFORE_CALL_22|]} [2020-11-29 22:38:02,574 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_22| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_21 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_21) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_21 (_ bv0 1)))))) (exists ((v_prenex_19 (_ BitVec 32)) (v_prenex_18 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_22| v_prenex_19 (_ bv0 1)) v_prenex_18)) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_22| v_prenex_19)) (forall ((v_prenex_20 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_20) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_20 (_ bv0 1)) v_prenex_18))))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((|v_alloc_20_#t~ret38.base_83| (_ BitVec 32)) (v_prenex_17 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_16 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_20_#t~ret38.base_83|)) (forall ((v_prenex_9 (_ BitVec 32))) (or (= v_prenex_17 (store v_prenex_16 v_prenex_9 (_ bv0 1))) (not (= (select v_prenex_16 v_prenex_9) (_ bv0 1))))) (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_136 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_22| v_~saved_device_20~0.base_136))) (= (store |v_old(#valid)_BEFORE_CALL_22| v_~saved_device_20~0.base_136 (_ bv0 1)) v_prenex_8) (exists ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (and (not (= (store v_prenex_16 v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_8)) (= (select v_prenex_16 v_~saved_device_20~0.base_121) (_ bv0 1)))))) (not (= (store |c_old(#valid)| |v_alloc_20_#t~ret38.base_83| (_ bv0 1)) v_prenex_17)))))) is different from false [2020-11-29 22:38:02,587 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_22| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_21 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_21) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_21 (_ bv0 1)))))) (exists ((v_prenex_19 (_ BitVec 32)) (v_prenex_18 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_22| v_prenex_19 (_ bv0 1)) v_prenex_18)) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_22| v_prenex_19)) (forall ((v_prenex_20 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_20) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_20 (_ bv0 1)) v_prenex_18))))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((|v_alloc_20_#t~ret38.base_83| (_ BitVec 32)) (v_prenex_17 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_16 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_20_#t~ret38.base_83|)) (forall ((v_prenex_9 (_ BitVec 32))) (or (= v_prenex_17 (store v_prenex_16 v_prenex_9 (_ bv0 1))) (not (= (select v_prenex_16 v_prenex_9) (_ bv0 1))))) (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_136 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_22| v_~saved_device_20~0.base_136))) (= (store |v_old(#valid)_BEFORE_CALL_22| v_~saved_device_20~0.base_136 (_ bv0 1)) v_prenex_8) (exists ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (and (not (= (store v_prenex_16 v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_8)) (= (select v_prenex_16 v_~saved_device_20~0.base_121) (_ bv0 1)))))) (not (= (store |c_old(#valid)| |v_alloc_20_#t~ret38.base_83| (_ bv0 1)) v_prenex_17)))))) is different from true [2020-11-29 22:38:02,616 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-11-29 22:38:02,624 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-11-29 22:38:02,628 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_17, v_prenex_18], 5=[v_prenex_16]} [2020-11-29 22:38:02,633 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_20|, |v_old(#valid)_BEFORE_CALL_22|]} [2020-11-29 22:38:02,686 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-11-29 22:38:02,693 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-11-29 22:38:02,698 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_17, v_prenex_18], 5=[v_prenex_16]} [2020-11-29 22:38:02,704 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_20|, |v_old(#valid)_BEFORE_CALL_22|]} [2020-11-29 22:38:02,736 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#res.base_69| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_22| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (not (= (select |c_#valid| |v_ldv_malloc_#res.base_69|) (_ bv0 1))) (exists ((v_prenex_21 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_21) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_21 (_ bv0 1)))))) (= |v_old(#valid)_BEFORE_CALL_17| (store |c_#valid| |v_ldv_malloc_#res.base_69| (_ bv0 1))) (exists ((v_prenex_19 (_ BitVec 32)) (v_prenex_18 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_22| v_prenex_19 (_ bv0 1)) v_prenex_18)) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_22| v_prenex_19)) (forall ((v_prenex_20 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_20) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_20 (_ bv0 1)) v_prenex_18))))) (exists ((|v_alloc_20_#t~ret38.base_83| (_ BitVec 32)) (v_prenex_17 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_16 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_20_#t~ret38.base_83|)) (forall ((v_prenex_9 (_ BitVec 32))) (or (= v_prenex_17 (store v_prenex_16 v_prenex_9 (_ bv0 1))) (not (= (select v_prenex_16 v_prenex_9) (_ bv0 1))))) (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_136 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_22| v_~saved_device_20~0.base_136))) (= (store |v_old(#valid)_BEFORE_CALL_22| v_~saved_device_20~0.base_136 (_ bv0 1)) v_prenex_8) (exists ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (and (not (= (store v_prenex_16 v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_8)) (= (select v_prenex_16 v_~saved_device_20~0.base_121) (_ bv0 1)))))) (not (= (store |c_old(#valid)| |v_alloc_20_#t~ret38.base_83| (_ bv0 1)) v_prenex_17)))))) is different from false [2020-11-29 22:38:02,744 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#res.base_69| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_22| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (not (= (select |c_#valid| |v_ldv_malloc_#res.base_69|) (_ bv0 1))) (exists ((v_prenex_21 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_21) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_21 (_ bv0 1)))))) (= |v_old(#valid)_BEFORE_CALL_17| (store |c_#valid| |v_ldv_malloc_#res.base_69| (_ bv0 1))) (exists ((v_prenex_19 (_ BitVec 32)) (v_prenex_18 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_22| v_prenex_19 (_ bv0 1)) v_prenex_18)) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_22| v_prenex_19)) (forall ((v_prenex_20 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_20) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_20 (_ bv0 1)) v_prenex_18))))) (exists ((|v_alloc_20_#t~ret38.base_83| (_ BitVec 32)) (v_prenex_17 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_16 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_20_#t~ret38.base_83|)) (forall ((v_prenex_9 (_ BitVec 32))) (or (= v_prenex_17 (store v_prenex_16 v_prenex_9 (_ bv0 1))) (not (= (select v_prenex_16 v_prenex_9) (_ bv0 1))))) (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_136 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_22| v_~saved_device_20~0.base_136))) (= (store |v_old(#valid)_BEFORE_CALL_22| v_~saved_device_20~0.base_136 (_ bv0 1)) v_prenex_8) (exists ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (and (not (= (store v_prenex_16 v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_8)) (= (select v_prenex_16 v_~saved_device_20~0.base_121) (_ bv0 1)))))) (not (= (store |c_old(#valid)| |v_alloc_20_#t~ret38.base_83| (_ bv0 1)) v_prenex_17)))))) is different from true [2020-11-29 22:38:02,781 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-11-29 22:38:02,791 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-11-29 22:38:02,796 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_17, v_prenex_18], 5=[v_prenex_16]} [2020-11-29 22:38:02,801 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_17|], 5=[|v_old(#valid)_BEFORE_CALL_20|, |v_old(#valid)_BEFORE_CALL_22|]} [2020-11-29 22:38:02,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:38:02,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [290436353] [2020-11-29 22:38:02,850 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:38:02,850 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14, 21] imperfect sequences [] total 33 [2020-11-29 22:38:02,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493077256] [2020-11-29 22:38:02,851 INFO L461 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-11-29 22:38:02,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 22:38:02,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-11-29 22:38:02,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=248, Unknown=67, NotChecked=720, Total=1122 [2020-11-29 22:38:02,853 INFO L87 Difference]: Start difference. First operand 37 states and 36 transitions. Second operand 34 states. [2020-11-29 22:38:15,458 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((|v_alloc_20_#t~ret38.base_83| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_136 (_ BitVec 32))) (and (forall ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_20| v_~saved_device_20~0.base_121) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_20| v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_8))) (not (= (store |c_old(#valid)| v_~saved_device_20~0.base_136 (_ bv0 1)) v_prenex_8)) (= (select |c_old(#valid)| v_~saved_device_20~0.base_136) (_ bv0 1)))) (exists ((v_prenex_9 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_9) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_9 (_ bv0 1)))))) (= |v_old(#valid)_BEFORE_CALL_17| (store |c_#valid| |v_alloc_20_#t~ret38.base_83| (_ bv0 1))) (not (= (_ bv0 1) (select |c_#valid| |v_alloc_20_#t~ret38.base_83|))))) (exists ((v_alloc_20_~p~0.base_BEFORE_CALL_5 (_ BitVec 32))) (= (_ bv1 1) (select |c_#valid| v_alloc_20_~p~0.base_BEFORE_CALL_5))) (= |c_old(#valid)| |c_#valid|)) is different from true [2020-11-29 22:38:15,739 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_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_22| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_21 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_21) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_21 (_ bv0 1)))))) (exists ((v_prenex_19 (_ BitVec 32)) (v_prenex_18 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_22| v_prenex_19 (_ bv0 1)) v_prenex_18)) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_22| v_prenex_19)) (forall ((v_prenex_20 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_20) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_20 (_ bv0 1)) v_prenex_18))))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((|v_alloc_20_#t~ret38.base_83| (_ BitVec 32)) (v_prenex_17 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_16 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_20_#t~ret38.base_83|)) (forall ((v_prenex_9 (_ BitVec 32))) (or (= v_prenex_17 (store v_prenex_16 v_prenex_9 (_ bv0 1))) (not (= (select v_prenex_16 v_prenex_9) (_ bv0 1))))) (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_136 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_22| v_~saved_device_20~0.base_136))) (= (store |v_old(#valid)_BEFORE_CALL_22| v_~saved_device_20~0.base_136 (_ bv0 1)) v_prenex_8) (exists ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (and (not (= (store v_prenex_16 v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_8)) (= (select v_prenex_16 v_~saved_device_20~0.base_121) (_ bv0 1)))))) (not (= (store |c_old(#valid)| |v_alloc_20_#t~ret38.base_83| (_ bv0 1)) v_prenex_17)))))) (= (select |c_old(#valid)| |c_ldv_malloc_#res.base|) (_ bv0 1))) is different from false [2020-11-29 22:38:15,759 WARN L838 $PredicateComparison]: unable to prove that (and (= (_ bv0 1) (select |c_old(#valid)| |c_alloc_20_#t~ret38.base|)) (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_17| (store |c_#valid| |c_alloc_20_#t~ret38.base| (_ bv0 1))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_136 (_ BitVec 32))) (and (forall ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_20| v_~saved_device_20~0.base_121) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_20| v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_8))) (not (= (store |c_old(#valid)| v_~saved_device_20~0.base_136 (_ bv0 1)) v_prenex_8)) (= (select |c_old(#valid)| v_~saved_device_20~0.base_136) (_ bv0 1)))) (exists ((v_prenex_9 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_9) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_9 (_ bv0 1)))))))) (= |c_#valid| (store |c_old(#valid)| |c_alloc_20_#t~ret38.base| (_ bv1 1)))) is different from false [2020-11-29 22:38:15,769 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_#valid| (store |c_old(#valid)| c_alloc_20_~p~0.base (_ bv1 1))) (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_136 (_ BitVec 32))) (and (forall ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_20| v_~saved_device_20~0.base_121) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_20| v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_8))) (not (= (store |c_old(#valid)| v_~saved_device_20~0.base_136 (_ bv0 1)) v_prenex_8)) (= (select |c_old(#valid)| v_~saved_device_20~0.base_136) (_ bv0 1)))) (exists ((v_prenex_9 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_9) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_9 (_ bv0 1)))))) (= |v_old(#valid)_BEFORE_CALL_17| (store |c_#valid| c_alloc_20_~p~0.base (_ bv0 1))))) (= (_ bv0 1) (select |c_old(#valid)| c_alloc_20_~p~0.base))) is different from false [2020-11-29 22:38:15,772 WARN L860 $PredicateComparison]: unable to prove that (and (= |c_#valid| (store |c_old(#valid)| c_alloc_20_~p~0.base (_ bv1 1))) (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_136 (_ BitVec 32))) (and (forall ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_20| v_~saved_device_20~0.base_121) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_20| v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_8))) (not (= (store |c_old(#valid)| v_~saved_device_20~0.base_136 (_ bv0 1)) v_prenex_8)) (= (select |c_old(#valid)| v_~saved_device_20~0.base_136) (_ bv0 1)))) (exists ((v_prenex_9 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_9) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_9 (_ bv0 1)))))) (= |v_old(#valid)_BEFORE_CALL_17| (store |c_#valid| c_alloc_20_~p~0.base (_ bv0 1))))) (= (_ bv0 1) (select |c_old(#valid)| c_alloc_20_~p~0.base))) is different from true [2020-11-29 22:38:15,780 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((v_alloc_20_~p~0.base_BEFORE_CALL_5 (_ BitVec 32))) (= (_ bv1 1) (select |c_#valid| v_alloc_20_~p~0.base_BEFORE_CALL_5))) (forall ((|v_old(#valid)_BEFORE_CALL_21| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_12 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_13 (_ BitVec 32))) (and (not (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_21| v_prenex_13 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_21| v_prenex_13) (_ bv0 1)) (forall ((v_prenex_14 (_ BitVec 32))) (or (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_14 (_ bv0 1))) (not (= (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_14) (_ bv0 1))))))) (exists ((v_prenex_10 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_11 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_136 (_ BitVec 32))) (or (exists ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (and (= (select v_prenex_10 v_~saved_device_20~0.base_121) (_ bv0 1)) (not (= (store v_prenex_10 v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_8)))) (not (= (select |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_136) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_136 (_ bv0 1)) v_prenex_8))) (forall ((v_prenex_9 (_ BitVec 32))) (or (= v_prenex_11 (store v_prenex_10 v_prenex_9 (_ bv0 1))) (not (= (select v_prenex_10 v_prenex_9) (_ bv0 1))))) (not (= (store |c_#valid| |c_ldv_register_device_#in~dev.base| (_ bv0 1)) v_prenex_11)))) (exists ((v_prenex_15 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_15) (_ bv0 1)) (not (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_15 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|)))) (= (store |c_#valid| |c_ldv_register_device_#in~dev.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|)))) is different from false [2020-11-29 22:38:15,786 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((v_alloc_20_~p~0.base_BEFORE_CALL_5 (_ BitVec 32))) (= (_ bv1 1) (select |c_#valid| v_alloc_20_~p~0.base_BEFORE_CALL_5))) (forall ((|v_old(#valid)_BEFORE_CALL_21| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_12 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_13 (_ BitVec 32))) (and (not (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_21| v_prenex_13 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_21| v_prenex_13) (_ bv0 1)) (forall ((v_prenex_14 (_ BitVec 32))) (or (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_14 (_ bv0 1))) (not (= (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_14) (_ bv0 1))))))) (exists ((v_prenex_10 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_11 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_136 (_ BitVec 32))) (or (exists ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (and (= (select v_prenex_10 v_~saved_device_20~0.base_121) (_ bv0 1)) (not (= (store v_prenex_10 v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_8)))) (not (= (select |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_136) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_136 (_ bv0 1)) v_prenex_8))) (forall ((v_prenex_9 (_ BitVec 32))) (or (= v_prenex_11 (store v_prenex_10 v_prenex_9 (_ bv0 1))) (not (= (select v_prenex_10 v_prenex_9) (_ bv0 1))))) (not (= (store |c_#valid| |c_ldv_register_device_#in~dev.base| (_ bv0 1)) v_prenex_11)))) (exists ((v_prenex_15 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_15) (_ bv0 1)) (not (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_15 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|)))) (= (store |c_#valid| |c_ldv_register_device_#in~dev.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|)))) is different from true [2020-11-29 22:38:15,795 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_21| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_12 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_13 (_ BitVec 32))) (and (not (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_21| v_prenex_13 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_21| v_prenex_13) (_ bv0 1)) (forall ((v_prenex_14 (_ BitVec 32))) (or (= v_prenex_12 (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_14 (_ bv0 1))) (not (= (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_14) (_ bv0 1))))))) (exists ((v_prenex_10 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_11 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_136 (_ BitVec 32))) (or (exists ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (and (= (select v_prenex_10 v_~saved_device_20~0.base_121) (_ bv0 1)) (not (= (store v_prenex_10 v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_8)))) (not (= (select |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_136) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_21| v_~saved_device_20~0.base_136 (_ bv0 1)) v_prenex_8))) (forall ((v_prenex_9 (_ BitVec 32))) (or (= v_prenex_11 (store v_prenex_10 v_prenex_9 (_ bv0 1))) (not (= (select v_prenex_10 v_prenex_9) (_ bv0 1))))) (not (= (store |c_#valid| |c_ldv_register_device_#in~dev.base| (_ bv0 1)) v_prenex_11)))) (exists ((v_prenex_15 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_15) (_ bv0 1)) (not (= (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_15 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|)))) (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|))) (exists ((v_alloc_20_~p~0.base_BEFORE_CALL_5 (_ BitVec 32))) (= (_ bv1 1) (select |c_#valid| v_alloc_20_~p~0.base_BEFORE_CALL_5))) (= c_~saved_device_20~0.base |c_ldv_register_device_#in~dev.base|)) is different from false [2020-11-29 22:38:15,810 WARN L838 $PredicateComparison]: unable to prove that (and (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv1 1)) |c_#valid|) (= (select |c_old(#valid)| c_~saved_device_20~0.base) (_ bv0 1)) (forall ((|v_old(#valid)_BEFORE_CALL_20| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_~saved_device_20~0.base_136 (_ BitVec 32))) (and (forall ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_20| v_~saved_device_20~0.base_121) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_20| v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_8))) (not (= (store |c_old(#valid)| v_~saved_device_20~0.base_136 (_ bv0 1)) v_prenex_8)) (= (select |c_old(#valid)| v_~saved_device_20~0.base_136) (_ bv0 1)))) (exists ((v_prenex_9 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_20| v_prenex_9) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_20| v_prenex_9 (_ bv0 1)))))) (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|)))) is different from false [2020-11-29 22:38:17,855 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((v_alloc_20_~p~0.base_BEFORE_CALL_5 (_ BitVec 32))) (= (_ bv1 1) (select |c_#valid| v_alloc_20_~p~0.base_BEFORE_CALL_5))) (= |c_old(#valid)| |c_#valid|) (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_18| v_~saved_device_20~0.base_121))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_1))))) (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1)))))) (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|)))) is different from false [2020-11-29 22:38:17,861 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_19| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_4 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_2 (_ BitVec 32))) (or (not (= (_ bv0 1) (select v_prenex_3 v_prenex_2))) (= (store v_prenex_3 v_prenex_2 (_ bv0 1)) v_prenex_4))) (forall ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |v_old(#valid)_BEFORE_CALL_19| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1) (exists ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (and (not (= (store v_prenex_3 v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_1)) (= (_ bv0 1) (select v_prenex_3 v_~saved_device_20~0.base_121)))))) (not (= (store |c_#valid| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_4)))) (= (store |c_#valid| |c_ldv_get_device_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_6 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_6 (_ bv0 1)) v_prenex_5) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_6))))) (not (= (store |v_old(#valid)_BEFORE_CALL_19| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_5)))) (exists ((v_prenex_7 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_7 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_7)))))) (= c_~saved_device_20~0.base |c_ldv_get_device_#res.base|)) is different from false [2020-11-29 22:38:17,867 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_18| v_~saved_device_20~0.base_121))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_1))))) (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1)))))) (= |v_old(#valid)_BEFORE_CALL_17| (store |c_#valid| |c_free_20_#t~ret39.base| (_ bv0 1))))) (= |c_free_20_#t~ret39.base| c_~saved_device_20~0.base) (= |c_old(#valid)| |c_#valid|)) is different from false [2020-11-29 22:38:17,874 WARN L838 $PredicateComparison]: unable to prove that (and (= c_~saved_device_20~0.base c_free_20_~dev~0.base) (= |c_old(#valid)| |c_#valid|) (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_18| v_~saved_device_20~0.base_121))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_1))))) (= (store |c_#valid| c_free_20_~dev~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1))))))))) is different from false [2020-11-29 22:38:17,881 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_old(#valid)| |c_#valid|) (= c_~saved_device_20~0.base c_free_20_~p~1.base) (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_18| v_~saved_device_20~0.base_121))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_1))))) (= (store |c_#valid| c_free_20_~p~1.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_17|) (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1))))))))) is different from false [2020-11-29 22:38:17,886 WARN L838 $PredicateComparison]: unable to prove that (and (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) |c_#valid|) (forall ((|v_old(#valid)_BEFORE_CALL_18| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_17| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~saved_device_20~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_~saved_device_20~0.base_121 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_18| v_~saved_device_20~0.base_121))) (= (store |v_old(#valid)_BEFORE_CALL_18| v_~saved_device_20~0.base_121 (_ bv0 1)) v_prenex_1))))) (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_18| v_prenex_2)) (not (= |v_old(#valid)_BEFORE_CALL_17| (store |v_old(#valid)_BEFORE_CALL_18| v_prenex_2 (_ bv0 1)))))) (= |v_old(#valid)_BEFORE_CALL_17| |c_#valid|)))) is different from false [2020-11-29 22:38:19,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:38:19,955 INFO L93 Difference]: Finished difference Result 36 states and 35 transitions. [2020-11-29 22:38:19,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-11-29 22:38:19,955 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 36 [2020-11-29 22:38:19,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:38:19,955 INFO L225 Difference]: With dead ends: 36 [2020-11-29 22:38:19,955 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 22:38:19,957 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 28 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 39.6s TimeCoverageRelationStatistics Valid=133, Invalid=334, Unknown=107, NotChecked=1876, Total=2450 [2020-11-29 22:38:19,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 22:38:19,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 22:38:19,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 22:38:19,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 22:38:19,957 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2020-11-29 22:38:19,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:38:19,958 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 22:38:19,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-11-29 22:38:19,958 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 22:38:19,958 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 22:38:20,158 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2020-11-29 22:38:20,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 10:38:20 BoogieIcfgContainer [2020-11-29 22:38:20,162 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 22:38:20,163 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:38:20,163 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:38:20,163 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:38:20,164 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:37:18" (3/4) ... [2020-11-29 22:38:20,167 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 22:38:20,174 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_submit_msg [2020-11-29 22:38:20,174 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure alloc_20 [2020-11-29 22:38:20,175 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.setCurrentRoundingMode [2020-11-29 22:38:20,175 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_positive [2020-11-29 22:38:20,175 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_register_device [2020-11-29 22:38:20,175 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2020-11-29 22:38:20,175 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2020-11-29 22:38:20,175 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2020-11-29 22:38:20,175 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_deregister_device [2020-11-29 22:38:20,175 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2020-11-29 22:38:20,176 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_nonpositive [2020-11-29 22:38:20,176 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2020-11-29 22:38:20,176 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_alloc [2020-11-29 22:38:20,176 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init_internal [2020-11-29 22:38:20,176 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_init [2020-11-29 22:38:20,176 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_fill [2020-11-29 22:38:20,176 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_sub [2020-11-29 22:38:20,176 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_add_return [2020-11-29 22:38:20,176 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2020-11-29 22:38:20,177 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_cleanup [2020-11-29 22:38:20,177 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2020-11-29 22:38:20,177 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2020-11-29 22:38:20,177 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2020-11-29 22:38:20,177 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_get_device [2020-11-29 22:38:20,177 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2020-11-29 22:38:20,177 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_set_drvdata [2020-11-29 22:38:20,177 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_create [2020-11-29 22:38:20,178 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_del [2020-11-29 22:38:20,178 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_del [2020-11-29 22:38:20,178 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2020-11-29 22:38:20,178 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_del [2020-11-29 22:38:20,178 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_get [2020-11-29 22:38:20,178 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2020-11-29 22:38:20,178 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2020-11-29 22:38:20,178 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init [2020-11-29 22:38:20,179 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_sub_return [2020-11-29 22:38:20,179 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add_tail [2020-11-29 22:38:20,179 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2020-11-29 22:38:20,179 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure entry_point [2020-11-29 22:38:20,179 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2020-11-29 22:38:20,179 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_destroy_msgs [2020-11-29 22:38:20,179 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2020-11-29 22:38:20,179 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2020-11-29 22:38:20,179 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_release [2020-11-29 22:38:20,180 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2020-11-29 22:38:20,180 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2020-11-29 22:38:20,180 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure free_20 [2020-11-29 22:38:20,181 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2020-11-29 22:38:20,181 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_put [2020-11-29 22:38:20,181 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_get [2020-11-29 22:38:20,182 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_get_drvdata [2020-11-29 22:38:20,188 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2020-11-29 22:38:20,188 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-29 22:38:20,189 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 22:38:20,189 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 22:38:20,189 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:38:20,260 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_eea8939b-5eca-42b7-b3c5-574cf436b15b/bin/uautomizer/witness.graphml [2020-11-29 22:38:20,264 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:38:20,265 INFO L168 Benchmark]: Toolchain (without parser) took 64481.69 ms. Allocated memory was 54.5 MB in the beginning and 146.8 MB in the end (delta: 92.3 MB). Free memory was 31.5 MB in the beginning and 47.0 MB in the end (delta: -15.5 MB). Peak memory consumption was 79.9 MB. Max. memory is 16.1 GB. [2020-11-29 22:38:20,267 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 54.5 MB. Free memory was 36.4 MB in the beginning and 36.3 MB in the end (delta: 42.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:38:20,267 INFO L168 Benchmark]: CACSL2BoogieTranslator took 808.82 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.2 MB in the beginning and 33.6 MB in the end (delta: -2.4 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2020-11-29 22:38:20,267 INFO L168 Benchmark]: Boogie Preprocessor took 159.86 ms. Allocated memory is still 67.1 MB. Free memory was 33.6 MB in the beginning and 47.5 MB in the end (delta: -13.8 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2020-11-29 22:38:20,268 INFO L168 Benchmark]: RCFGBuilder took 1910.95 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 47.5 MB in the beginning and 43.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB. [2020-11-29 22:38:20,268 INFO L168 Benchmark]: TraceAbstraction took 61492.44 ms. Allocated memory was 81.8 MB in the beginning and 146.8 MB in the end (delta: 65.0 MB). Free memory was 42.7 MB in the beginning and 53.0 MB in the end (delta: -10.3 MB). Peak memory consumption was 54.0 MB. Max. memory is 16.1 GB. [2020-11-29 22:38:20,269 INFO L168 Benchmark]: Witness Printer took 101.06 ms. Allocated memory is still 146.8 MB. Free memory was 53.0 MB in the beginning and 47.0 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 22:38:20,271 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 54.5 MB. Free memory was 36.4 MB in the beginning and 36.3 MB in the end (delta: 42.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 808.82 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.2 MB in the beginning and 33.6 MB in the end (delta: -2.4 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 159.86 ms. Allocated memory is still 67.1 MB. Free memory was 33.6 MB in the beginning and 47.5 MB in the end (delta: -13.8 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1910.95 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 47.5 MB in the beginning and 43.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 61492.44 ms. Allocated memory was 81.8 MB in the beginning and 146.8 MB in the end (delta: 65.0 MB). Free memory was 42.7 MB in the beginning and 53.0 MB in the end (delta: -10.3 MB). Peak memory consumption was 54.0 MB. Max. memory is 16.1 GB. * Witness Printer took 101.06 ms. Allocated memory is still 146.8 MB. Free memory was 53.0 MB in the beginning and 47.0 MB in the end (delta: 6.1 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: 789]: 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: 781]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 781]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 781]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 74 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 52 procedures, 356 locations, 74 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 61.4s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 19.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 290 SDtfs, 272 SDslu, 1079 SDs, 0 SdLazy, 1110 SolverSat, 132 SolverUnsat, 13 SolverUnknown, 0 SolverNotchecked, 11.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 504 GetRequests, 361 SyntacticMatches, 6 SemanticMatches, 137 ConstructedPredicates, 28 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 41.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 38 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 37.8s InterpolantComputationTime, 230 NumberOfCodeBlocks, 230 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 444 ConstructedInterpolants, 43 QuantifiedInterpolants, 108537 SizeOfPredicates, 38 NumberOfNonLiveVariables, 929 ConjunctsInSsa, 111 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...