./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b7d4bea4-b16a-4357-b06a-572e369f7776/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b7d4bea4-b16a-4357-b06a-572e369f7776/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b7d4bea4-b16a-4357-b06a-572e369f7776/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b7d4bea4-b16a-4357-b06a-572e369f7776/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b7d4bea4-b16a-4357-b06a-572e369f7776/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b7d4bea4-b16a-4357-b06a-572e369f7776/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 702f633b7e7ff05b6cbb070b8858a8adcd841273 .................................................................................................................................. 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_b7d4bea4-b16a-4357-b06a-572e369f7776/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b7d4bea4-b16a-4357-b06a-572e369f7776/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b7d4bea4-b16a-4357-b06a-572e369f7776/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b7d4bea4-b16a-4357-b06a-572e369f7776/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b7d4bea4-b16a-4357-b06a-572e369f7776/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b7d4bea4-b16a-4357-b06a-572e369f7776/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 702f633b7e7ff05b6cbb070b8858a8adcd841273 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:20:52,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:20:52,736 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:20:52,837 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:20:52,838 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:20:52,839 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:20:52,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:20:52,845 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:20:52,863 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:20:52,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:20:52,866 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:20:52,868 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:20:52,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:20:52,870 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:20:52,872 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:20:52,874 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:20:52,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:20:52,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:20:52,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:20:52,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:20:52,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:20:52,890 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:20:52,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:20:52,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:20:52,906 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:20:52,907 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:20:52,907 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:20:52,910 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:20:52,911 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:20:52,912 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:20:52,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:20:52,914 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:20:52,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:20:52,918 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:20:52,920 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:20:52,921 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:20:52,922 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:20:52,922 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:20:52,922 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:20:52,923 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:20:52,924 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:20:52,925 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b7d4bea4-b16a-4357-b06a-572e369f7776/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-11-30 00:20:52,972 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:20:52,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:20:52,983 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:20:52,983 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:20:52,983 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:20:52,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:20:52,984 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:20:52,984 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:20:52,984 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:20:52,984 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:20:52,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:20:52,986 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-30 00:20:52,986 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-30 00:20:52,986 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-30 00:20:52,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:20:52,987 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 00:20:52,987 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:20:52,987 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:20:52,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:20:52,988 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:20:52,988 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:20:52,988 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:20:52,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:20:52,989 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:20:52,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:20:52,990 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:20:52,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:20:52,990 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:20:52,991 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_b7d4bea4-b16a-4357-b06a-572e369f7776/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b7d4bea4-b16a-4357-b06a-572e369f7776/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 702f633b7e7ff05b6cbb070b8858a8adcd841273 [2020-11-30 00:20:53,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:20:53,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:20:53,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:20:53,415 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:20:53,416 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:20:53,418 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b7d4bea4-b16a-4357-b06a-572e369f7776/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i [2020-11-30 00:20:53,512 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b7d4bea4-b16a-4357-b06a-572e369f7776/bin/uautomizer/data/526b5c5f1/d16321db957047bd82a1f1df9d39691d/FLAGc70896e5f [2020-11-30 00:20:54,175 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:20:54,181 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b7d4bea4-b16a-4357-b06a-572e369f7776/sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i [2020-11-30 00:20:54,210 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b7d4bea4-b16a-4357-b06a-572e369f7776/bin/uautomizer/data/526b5c5f1/d16321db957047bd82a1f1df9d39691d/FLAGc70896e5f [2020-11-30 00:20:54,414 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b7d4bea4-b16a-4357-b06a-572e369f7776/bin/uautomizer/data/526b5c5f1/d16321db957047bd82a1f1df9d39691d [2020-11-30 00:20:54,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:20:54,419 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-30 00:20:54,421 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:20:54,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:20:54,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:20:54,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:20:54" (1/1) ... [2020-11-30 00:20:54,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a7d8007 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:20:54, skipping insertion in model container [2020-11-30 00:20:54,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:20:54" (1/1) ... [2020-11-30 00:20:54,439 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:20:54,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:20:55,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:20:55,248 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-11-30 00:20:55,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@75a16ec9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:20:55, skipping insertion in model container [2020-11-30 00:20:55,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:20:55,249 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-11-30 00:20:55,252 INFO L168 Benchmark]: Toolchain (without parser) took 831.73 ms. Allocated memory is still 94.4 MB. Free memory was 62.5 MB in the beginning and 67.9 MB in the end (delta: -5.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:20:55,253 INFO L168 Benchmark]: CDTParser took 0.73 ms. Allocated memory is still 94.4 MB. Free memory was 54.1 MB in the beginning and 54.1 MB in the end (delta: 38.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:20:55,254 INFO L168 Benchmark]: CACSL2BoogieTranslator took 828.36 ms. Allocated memory is still 94.4 MB. Free memory was 62.2 MB in the beginning and 67.9 MB in the end (delta: -5.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:20:55,256 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73 ms. Allocated memory is still 94.4 MB. Free memory was 54.1 MB in the beginning and 54.1 MB in the end (delta: 38.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 828.36 ms. Allocated memory is still 94.4 MB. Free memory was 62.2 MB in the beginning and 67.9 MB in the end (delta: -5.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:20:58,276 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:20:58,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:20:58,337 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:20:58,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:20:58,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:20:58,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:20:58,346 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:20:58,349 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:20:58,351 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:20:58,352 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:20:58,355 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:20:58,355 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:20:58,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:20:58,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:20:58,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:20:58,363 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:20:58,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:20:58,367 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:20:58,371 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:20:58,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:20:58,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:20:58,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:20:58,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:20:58,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:20:58,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:20:58,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:20:58,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:20:58,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:20:58,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:20:58,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:20:58,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:20:58,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:20:58,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:20:58,397 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:20:58,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:20:58,398 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:20:58,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:20:58,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:20:58,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:20:58,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:20:58,404 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b7d4bea4-b16a-4357-b06a-572e369f7776/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-11-30 00:20:58,440 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:20:58,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:20:58,442 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:20:58,443 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:20:58,444 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:20:58,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:20:58,445 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:20:58,445 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:20:58,446 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:20:58,446 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:20:58,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:20:58,447 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-30 00:20:58,448 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-30 00:20:58,448 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-30 00:20:58,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:20:58,454 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 00:20:58,454 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 00:20:58,455 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 00:20:58,455 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:20:58,455 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:20:58,456 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:20:58,456 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:20:58,456 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:20:58,457 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:20:58,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:20:58,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:20:58,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:20:58,459 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-30 00:20:58,460 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 00:20:58,460 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:20:58,460 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 00:20:58,461 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_b7d4bea4-b16a-4357-b06a-572e369f7776/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b7d4bea4-b16a-4357-b06a-572e369f7776/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 702f633b7e7ff05b6cbb070b8858a8adcd841273 [2020-11-30 00:20:58,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:20:58,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:20:58,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:20:59,000 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:20:59,001 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:20:59,005 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b7d4bea4-b16a-4357-b06a-572e369f7776/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i [2020-11-30 00:20:59,098 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b7d4bea4-b16a-4357-b06a-572e369f7776/bin/uautomizer/data/5ed668a0b/603b7dbf35ee49b984cefbb15a067425/FLAGd50a0ab84 [2020-11-30 00:20:59,875 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:20:59,885 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b7d4bea4-b16a-4357-b06a-572e369f7776/sv-benchmarks/c/ldv-memsafety/memleaks_test21-2.i [2020-11-30 00:20:59,914 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b7d4bea4-b16a-4357-b06a-572e369f7776/bin/uautomizer/data/5ed668a0b/603b7dbf35ee49b984cefbb15a067425/FLAGd50a0ab84 [2020-11-30 00:21:00,072 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b7d4bea4-b16a-4357-b06a-572e369f7776/bin/uautomizer/data/5ed668a0b/603b7dbf35ee49b984cefbb15a067425 [2020-11-30 00:21:00,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:21:00,077 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-30 00:21:00,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:21:00,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:21:00,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:21:00,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:21:00" (1/1) ... [2020-11-30 00:21:00,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60a76c96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:21:00, skipping insertion in model container [2020-11-30 00:21:00,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:21:00" (1/1) ... [2020-11-30 00:21:00,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:21:00,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:21:00,841 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:21:00,864 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-30 00:21:00,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:21:00,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:21:00,967 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:21:01,088 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:21:01,267 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:21:01,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:21:01 WrapperNode [2020-11-30 00:21:01,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:21:01,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:21:01,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:21:01,273 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:21:01,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:21:01" (1/1) ... [2020-11-30 00:21:01,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:21:01" (1/1) ... [2020-11-30 00:21:01,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:21:01" (1/1) ... [2020-11-30 00:21:01,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:21:01" (1/1) ... [2020-11-30 00:21:01,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:21:01" (1/1) ... [2020-11-30 00:21:01,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:21:01" (1/1) ... [2020-11-30 00:21:01,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:21:01" (1/1) ... [2020-11-30 00:21:01,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:21:01,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:21:01,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:21:01,427 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:21:01,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:21:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b7d4bea4-b16a-4357-b06a-572e369f7776/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:21:01,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-30 00:21:01,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:21:01,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-11-30 00:21:01,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-11-30 00:21:01,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-11-30 00:21:01,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-11-30 00:21:01,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-11-30 00:21:01,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-11-30 00:21:01,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-11-30 00:21:01,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-11-30 00:21:01,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-11-30 00:21:01,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-11-30 00:21:01,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-11-30 00:21:01,524 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-11-30 00:21:01,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-11-30 00:21:01,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-11-30 00:21:01,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-11-30 00:21:01,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-11-30 00:21:01,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-11-30 00:21:01,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-11-30 00:21:01,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-11-30 00:21:01,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-11-30 00:21:01,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-11-30 00:21:01,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-11-30 00:21:01,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-11-30 00:21:01,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-11-30 00:21:01,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-11-30 00:21:01,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-11-30 00:21:01,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-11-30 00:21:01,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-11-30 00:21:01,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-11-30 00:21:01,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-11-30 00:21:01,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-11-30 00:21:01,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-11-30 00:21:01,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-11-30 00:21:01,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-11-30 00:21:01,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-11-30 00:21:01,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-11-30 00:21:01,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-11-30 00:21:01,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-11-30 00:21:01,532 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-11-30 00:21:01,532 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-11-30 00:21:01,533 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_21 [2020-11-30 00:21:01,533 INFO L138 BoogieDeclarations]: Found implementation of procedure free_21 [2020-11-30 00:21:01,533 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-11-30 00:21:01,533 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-30 00:21:01,534 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-11-30 00:21:01,534 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-11-30 00:21:01,534 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-11-30 00:21:01,535 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-11-30 00:21:01,535 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-11-30 00:21:01,535 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-11-30 00:21:01,535 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-11-30 00:21:01,536 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-11-30 00:21:01,536 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-11-30 00:21:01,536 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-11-30 00:21:01,537 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-11-30 00:21:01,537 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-11-30 00:21:01,537 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-11-30 00:21:01,538 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-11-30 00:21:01,538 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-11-30 00:21:01,538 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-11-30 00:21:01,538 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-11-30 00:21:01,539 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-11-30 00:21:01,539 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-11-30 00:21:01,539 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-11-30 00:21:01,540 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-11-30 00:21:01,540 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-11-30 00:21:01,540 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-11-30 00:21:01,540 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-11-30 00:21:01,541 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-11-30 00:21:01,541 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-11-30 00:21:01,541 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-11-30 00:21:01,542 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-11-30 00:21:01,542 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-11-30 00:21:01,542 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-11-30 00:21:01,542 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-11-30 00:21:01,543 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-11-30 00:21:01,543 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-11-30 00:21:01,543 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-11-30 00:21:01,543 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-11-30 00:21:01,544 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-11-30 00:21:01,544 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-11-30 00:21:01,544 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-11-30 00:21:01,545 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-11-30 00:21:01,545 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-11-30 00:21:01,545 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-11-30 00:21:01,546 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-11-30 00:21:01,546 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-11-30 00:21:01,546 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-11-30 00:21:01,546 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-11-30 00:21:01,547 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-11-30 00:21:01,547 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-11-30 00:21:01,547 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-11-30 00:21:01,548 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-11-30 00:21:01,548 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-11-30 00:21:01,548 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-11-30 00:21:01,548 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-11-30 00:21:01,549 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-11-30 00:21:01,549 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-11-30 00:21:01,549 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-11-30 00:21:01,550 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-11-30 00:21:01,550 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-11-30 00:21:01,550 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-11-30 00:21:01,550 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-30 00:21:01,551 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-11-30 00:21:01,551 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-11-30 00:21:01,551 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-30 00:21:01,551 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-11-30 00:21:01,552 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-11-30 00:21:01,552 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-11-30 00:21:01,552 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-11-30 00:21:01,552 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-30 00:21:01,553 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-11-30 00:21:01,553 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-11-30 00:21:01,553 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-11-30 00:21:01,554 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-30 00:21:01,554 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-11-30 00:21:01,554 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-11-30 00:21:01,554 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-11-30 00:21:01,555 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-11-30 00:21:01,555 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-11-30 00:21:01,555 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-11-30 00:21:01,556 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-11-30 00:21:01,556 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-11-30 00:21:01,556 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-11-30 00:21:01,557 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-11-30 00:21:01,557 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-11-30 00:21:01,557 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-11-30 00:21:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-11-30 00:21:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-11-30 00:21:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-11-30 00:21:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-11-30 00:21:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-11-30 00:21:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-11-30 00:21:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-11-30 00:21:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-11-30 00:21:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-11-30 00:21:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-11-30 00:21:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-11-30 00:21:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-11-30 00:21:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-11-30 00:21:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-11-30 00:21:01,562 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-11-30 00:21:01,562 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-11-30 00:21:01,562 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-11-30 00:21:01,562 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-11-30 00:21:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-11-30 00:21:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-11-30 00:21:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-11-30 00:21:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-11-30 00:21:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-11-30 00:21:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-11-30 00:21:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-11-30 00:21:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-11-30 00:21:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-11-30 00:21:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-11-30 00:21:01,565 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-30 00:21:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-11-30 00:21:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-11-30 00:21:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-11-30 00:21:01,566 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-11-30 00:21:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-11-30 00:21:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-30 00:21:01,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-11-30 00:21:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-11-30 00:21:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-11-30 00:21:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-30 00:21:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-11-30 00:21:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-11-30 00:21:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-11-30 00:21:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-30 00:21:01,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-11-30 00:21:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-11-30 00:21:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-11-30 00:21:01,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-11-30 00:21:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-11-30 00:21:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-11-30 00:21:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 00:21:01,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-11-30 00:21:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-11-30 00:21:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-11-30 00:21:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-11-30 00:21:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-11-30 00:21:01,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-30 00:21:01,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-30 00:21:01,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-11-30 00:21:01,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-11-30 00:21:01,573 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-11-30 00:21:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-11-30 00:21:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-11-30 00:21:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-11-30 00:21:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-11-30 00:21:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-11-30 00:21:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-11-30 00:21:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-11-30 00:21:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-11-30 00:21:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-11-30 00:21:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-11-30 00:21:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-11-30 00:21:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-11-30 00:21:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-11-30 00:21:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-11-30 00:21:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_21 [2020-11-30 00:21:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure free_21 [2020-11-30 00:21:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-11-30 00:21:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-30 00:21:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-30 00:21:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:21:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-30 00:21:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:21:01,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-11-30 00:21:01,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-11-30 00:21:01,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-11-30 00:21:01,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-11-30 00:21:01,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-11-30 00:21:02,447 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 00:21:02,970 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-30 00:21:03,455 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:21:03,456 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-30 00:21:03,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:21:03 BoogieIcfgContainer [2020-11-30 00:21:03,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:21:03,464 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:21:03,465 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:21:03,469 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:21:03,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:21:00" (1/3) ... [2020-11-30 00:21:03,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e539743 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:21:03, skipping insertion in model container [2020-11-30 00:21:03,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:21:01" (2/3) ... [2020-11-30 00:21:03,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e539743 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:21:03, skipping insertion in model container [2020-11-30 00:21:03,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:21:03" (3/3) ... [2020-11-30 00:21:03,473 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test21-2.i [2020-11-30 00:21:03,487 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:21:03,494 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2020-11-30 00:21:03,509 INFO L253 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2020-11-30 00:21:03,548 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:21:03,550 INFO L378 AbstractCegarLoop]: Hoare is false [2020-11-30 00:21:03,550 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:21:03,550 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:21:03,551 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:21:03,552 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:21:03,552 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:21:03,552 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:21:03,578 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2020-11-30 00:21:03,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-30 00:21:03,587 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:21:03,588 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:21:03,589 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-30 00:21:03,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:21:03,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1560719066, now seen corresponding path program 1 times [2020-11-30 00:21:03,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:21:03,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2008588703] [2020-11-30 00:21:03,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b7d4bea4-b16a-4357-b06a-572e369f7776/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-30 00:21:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:03,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-30 00:21:03,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:21:04,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:21:04,087 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:21:04,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:21:04,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2008588703] [2020-11-30 00:21:04,295 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:21:04,295 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 10 [2020-11-30 00:21:04,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362911232] [2020-11-30 00:21:04,305 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-30 00:21:04,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:21:04,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-30 00:21:04,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-11-30 00:21:04,334 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 11 states. [2020-11-30 00:21:04,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:21:04,584 INFO L93 Difference]: Finished difference Result 52 states and 54 transitions. [2020-11-30 00:21:04,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-30 00:21:04,588 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2020-11-30 00:21:04,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:21:04,600 INFO L225 Difference]: With dead ends: 52 [2020-11-30 00:21:04,600 INFO L226 Difference]: Without dead ends: 49 [2020-11-30 00:21:04,604 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 30 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-11-30 00:21:04,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-11-30 00:21:04,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 43. [2020-11-30 00:21:04,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-11-30 00:21:04,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2020-11-30 00:21:04,657 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 21 [2020-11-30 00:21:04,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:21:04,658 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2020-11-30 00:21:04,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-30 00:21:04,658 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2020-11-30 00:21:04,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-30 00:21:04,660 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:21:04,660 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:21:04,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 00:21:04,874 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-30 00:21:04,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:21:04,875 INFO L82 PathProgramCache]: Analyzing trace with hash 182091269, now seen corresponding path program 1 times [2020-11-30 00:21:04,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:21:04,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1197423473] [2020-11-30 00:21:04,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b7d4bea4-b16a-4357-b06a-572e369f7776/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-30 00:21:05,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:05,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-30 00:21:05,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:21:05,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:21:05,086 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:21:05,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:21:05,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1197423473] [2020-11-30 00:21:05,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:21:05,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-30 00:21:05,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439646828] [2020-11-30 00:21:05,199 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:21:05,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:21:05,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:21:05,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:21:05,201 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand 5 states. [2020-11-30 00:21:05,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:21:05,223 INFO L93 Difference]: Finished difference Result 49 states and 53 transitions. [2020-11-30 00:21:05,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 00:21:05,224 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2020-11-30 00:21:05,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:21:05,226 INFO L225 Difference]: With dead ends: 49 [2020-11-30 00:21:05,226 INFO L226 Difference]: Without dead ends: 49 [2020-11-30 00:21:05,226 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:21:05,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-11-30 00:21:05,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 47. [2020-11-30 00:21:05,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-11-30 00:21:05,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 51 transitions. [2020-11-30 00:21:05,238 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 51 transitions. Word has length 21 [2020-11-30 00:21:05,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:21:05,238 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 51 transitions. [2020-11-30 00:21:05,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:21:05,239 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2020-11-30 00:21:05,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-30 00:21:05,240 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:21:05,240 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:21:05,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 00:21:05,458 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-30 00:21:05,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:21:05,460 INFO L82 PathProgramCache]: Analyzing trace with hash 311173988, now seen corresponding path program 1 times [2020-11-30 00:21:05,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:21:05,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1877156881] [2020-11-30 00:21:05,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b7d4bea4-b16a-4357-b06a-572e369f7776/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-30 00:21:05,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:05,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-30 00:21:05,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:21:05,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:21:05,774 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:21:05,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:21:05,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1877156881] [2020-11-30 00:21:05,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:21:05,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2020-11-30 00:21:05,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640673816] [2020-11-30 00:21:05,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-30 00:21:05,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:21:05,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-30 00:21:05,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:21:05,850 INFO L87 Difference]: Start difference. First operand 47 states and 51 transitions. Second operand 7 states. [2020-11-30 00:21:05,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:21:05,950 INFO L93 Difference]: Finished difference Result 45 states and 46 transitions. [2020-11-30 00:21:05,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 00:21:05,952 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2020-11-30 00:21:05,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:21:05,953 INFO L225 Difference]: With dead ends: 45 [2020-11-30 00:21:05,953 INFO L226 Difference]: Without dead ends: 45 [2020-11-30 00:21:05,954 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-11-30 00:21:05,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-11-30 00:21:05,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 43. [2020-11-30 00:21:05,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-11-30 00:21:05,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 44 transitions. [2020-11-30 00:21:05,962 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 44 transitions. Word has length 21 [2020-11-30 00:21:05,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:21:05,963 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 44 transitions. [2020-11-30 00:21:05,963 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-30 00:21:05,963 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2020-11-30 00:21:05,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 00:21:05,964 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:21:05,964 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:21:06,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-30 00:21:06,182 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-30 00:21:06,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:21:06,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1137650385, now seen corresponding path program 1 times [2020-11-30 00:21:06,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:21:06,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1577938614] [2020-11-30 00:21:06,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b7d4bea4-b16a-4357-b06a-572e369f7776/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-30 00:21:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:06,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-30 00:21:06,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:21:06,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:21:06,748 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:21:07,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:21:07,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1577938614] [2020-11-30 00:21:07,497 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:21:07,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 10] imperfect sequences [] total 20 [2020-11-30 00:21:07,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884341825] [2020-11-30 00:21:07,498 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-11-30 00:21:07,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:21:07,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-11-30 00:21:07,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2020-11-30 00:21:07,500 INFO L87 Difference]: Start difference. First operand 43 states and 44 transitions. Second operand 21 states. [2020-11-30 00:21:08,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:21:08,582 INFO L93 Difference]: Finished difference Result 56 states and 57 transitions. [2020-11-30 00:21:08,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-11-30 00:21:08,587 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 22 [2020-11-30 00:21:08,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:21:08,588 INFO L225 Difference]: With dead ends: 56 [2020-11-30 00:21:08,588 INFO L226 Difference]: Without dead ends: 56 [2020-11-30 00:21:08,589 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=121, Invalid=635, Unknown=0, NotChecked=0, Total=756 [2020-11-30 00:21:08,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-11-30 00:21:08,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 42. [2020-11-30 00:21:08,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-11-30 00:21:08,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2020-11-30 00:21:08,594 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 43 transitions. Word has length 22 [2020-11-30 00:21:08,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:21:08,594 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 43 transitions. [2020-11-30 00:21:08,595 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-11-30 00:21:08,595 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2020-11-30 00:21:08,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 00:21:08,596 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:21:08,596 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:21:08,810 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-30 00:21:08,811 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-30 00:21:08,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:21:08,811 INFO L82 PathProgramCache]: Analyzing trace with hash -907423160, now seen corresponding path program 1 times [2020-11-30 00:21:08,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:21:08,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [865743859] [2020-11-30 00:21:08,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b7d4bea4-b16a-4357-b06a-572e369f7776/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-30 00:21:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:09,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-30 00:21:09,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:21:09,101 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-30 00:21:09,101 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 00:21:09,106 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 00:21:09,106 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-30 00:21:09,106 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-11-30 00:21:09,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:21:09,273 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:21:09,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:21:09,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [865743859] [2020-11-30 00:21:09,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:21:09,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 10 [2020-11-30 00:21:09,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975153699] [2020-11-30 00:21:09,540 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-30 00:21:09,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:21:09,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-30 00:21:09,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-11-30 00:21:09,541 INFO L87 Difference]: Start difference. First operand 42 states and 43 transitions. Second operand 11 states. [2020-11-30 00:21:09,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:21:09,814 INFO L93 Difference]: Finished difference Result 51 states and 53 transitions. [2020-11-30 00:21:09,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-30 00:21:09,815 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 23 [2020-11-30 00:21:09,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:21:09,816 INFO L225 Difference]: With dead ends: 51 [2020-11-30 00:21:09,816 INFO L226 Difference]: Without dead ends: 51 [2020-11-30 00:21:09,817 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-11-30 00:21:09,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-11-30 00:21:09,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-11-30 00:21:09,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-11-30 00:21:09,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 53 transitions. [2020-11-30 00:21:09,826 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 53 transitions. Word has length 23 [2020-11-30 00:21:09,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:21:09,827 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 53 transitions. [2020-11-30 00:21:09,827 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-30 00:21:09,827 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 53 transitions. [2020-11-30 00:21:09,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 00:21:09,828 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:21:09,828 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:21:10,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-30 00:21:10,047 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-30 00:21:10,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:21:10,047 INFO L82 PathProgramCache]: Analyzing trace with hash -1412981785, now seen corresponding path program 1 times [2020-11-30 00:21:10,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:21:10,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1645550901] [2020-11-30 00:21:10,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b7d4bea4-b16a-4357-b06a-572e369f7776/bin/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-11-30 00:21:10,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:10,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-30 00:21:10,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:21:10,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:21:10,302 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:21:10,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:21:10,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1645550901] [2020-11-30 00:21:10,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:21:10,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-30 00:21:10,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058356402] [2020-11-30 00:21:10,464 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:21:10,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:21:10,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:21:10,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:21:10,465 INFO L87 Difference]: Start difference. First operand 51 states and 53 transitions. Second operand 5 states. [2020-11-30 00:21:10,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:21:10,491 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2020-11-30 00:21:10,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 00:21:10,495 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-11-30 00:21:10,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:21:10,496 INFO L225 Difference]: With dead ends: 41 [2020-11-30 00:21:10,496 INFO L226 Difference]: Without dead ends: 41 [2020-11-30 00:21:10,496 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:21:10,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-11-30 00:21:10,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-11-30 00:21:10,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-11-30 00:21:10,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2020-11-30 00:21:10,510 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 23 [2020-11-30 00:21:10,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:21:10,510 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2020-11-30 00:21:10,511 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:21:10,511 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2020-11-30 00:21:10,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-30 00:21:10,512 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:21:10,513 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:21:10,732 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-30 00:21:10,732 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-30 00:21:10,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:21:10,733 INFO L82 PathProgramCache]: Analyzing trace with hash -298029978, now seen corresponding path program 1 times [2020-11-30 00:21:10,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:21:10,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1643582664] [2020-11-30 00:21:10,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b7d4bea4-b16a-4357-b06a-572e369f7776/bin/uautomizer/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-11-30 00:21:10,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:10,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-30 00:21:10,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:21:10,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:21:10,934 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:21:11,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:21:11,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1643582664] [2020-11-30 00:21:11,121 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:21:11,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 00:21:11,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687692595] [2020-11-30 00:21:11,122 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:21:11,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:21:11,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:21:11,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:21:11,123 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand 3 states. [2020-11-30 00:21:11,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:21:11,172 INFO L93 Difference]: Finished difference Result 44 states and 43 transitions. [2020-11-30 00:21:11,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:21:11,173 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-11-30 00:21:11,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:21:11,174 INFO L225 Difference]: With dead ends: 44 [2020-11-30 00:21:11,174 INFO L226 Difference]: Without dead ends: 29 [2020-11-30 00:21:11,174 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:21:11,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-30 00:21:11,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-11-30 00:21:11,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-30 00:21:11,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 28 transitions. [2020-11-30 00:21:11,178 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 28 transitions. Word has length 25 [2020-11-30 00:21:11,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:21:11,178 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 28 transitions. [2020-11-30 00:21:11,179 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:21:11,179 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 28 transitions. [2020-11-30 00:21:11,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-30 00:21:11,180 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:21:11,180 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] [2020-11-30 00:21:11,380 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-11-30 00:21:11,381 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, free_21Err0ASSERT_VIOLATIONMEMORY_FREE, free_21Err1ASSERT_VIOLATIONMEMORY_FREE, free_21Err2ASSERT_VIOLATIONMEMORY_FREE, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-30 00:21:11,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:21:11,381 INFO L82 PathProgramCache]: Analyzing trace with hash -339267371, now seen corresponding path program 1 times [2020-11-30 00:21:11,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:21:11,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [721814740] [2020-11-30 00:21:11,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b7d4bea4-b16a-4357-b06a-572e369f7776/bin/uautomizer/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2020-11-30 00:21:11,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:11,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 24 conjunts are in the unsatisfiable core [2020-11-30 00:21:11,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:21:18,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:21:18,011 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:21:34,631 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| c_entry_point_~dev~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (exists ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_entry_point_~dev~0.base_17 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)) (= (select |c_old(#valid)| v_entry_point_~dev~0.base_17) (_ bv0 1)))))) is different from false [2020-11-30 00:21:34,693 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-11-30 00:21:34,710 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (= |v_old(#valid)_BEFORE_CALL_13| |c_#valid|) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| |c_free_21_#in~dev.base| (_ bv0 1)) v_prenex_1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_1) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17))))))))) is different from false [2020-11-30 00:21:34,717 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (= |v_old(#valid)_BEFORE_CALL_13| |c_#valid|) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| |c_free_21_#in~dev.base| (_ bv0 1)) v_prenex_1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_1) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17))))))))) is different from true [2020-11-30 00:21:34,737 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-11-30 00:21:34,775 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-11-30 00:21:34,791 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| |c_free_21_#in~dev.base| (_ bv0 1)) v_prenex_1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_1) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17))))))) (= (store |c_#valid| c_free_21_~p~1.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) is different from false [2020-11-30 00:21:34,818 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-11-30 00:21:34,857 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-11-30 00:21:34,891 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-11-30 00:21:34,903 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| |c_free_21_#in~dev.base| (_ bv0 1)) v_prenex_1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_1) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17))))))) (= (store |c_#valid| c_free_21_~dev.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) is different from false [2020-11-30 00:21:34,913 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| |c_free_21_#in~dev.base| (_ bv0 1)) v_prenex_1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_1) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17))))))) (= (store |c_#valid| c_free_21_~dev.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) is different from true [2020-11-30 00:21:34,934 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-11-30 00:21:34,944 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |c_free_21_#in~dev.base| (_ bv0 1))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| |c_free_21_#in~dev.base| (_ bv0 1)) v_prenex_1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_1) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17))))))))) is different from false [2020-11-30 00:21:34,957 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_entry_point_~dev~0.base_17 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)) (= (select |c_old(#valid)| v_entry_point_~dev~0.base_17) (_ bv0 1)))) (= (store |c_#valid| |c_entry_point_#t~ret39.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) is different from false [2020-11-30 00:21:35,134 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret39.base_42| (_ BitVec 32))) (or (exists ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_entry_point_~dev~0.base_17 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)) (= (select |c_old(#valid)| v_entry_point_~dev~0.base_17) (_ bv0 1)))) (not (= (select |c_#valid| |v_entry_point_#t~ret39.base_42|) (_ bv0 1))) (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |v_entry_point_#t~ret39.base_42| (_ bv0 1))))) is different from false [2020-11-30 00:21:35,152 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-11-30 00:21:35,161 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_15|]} [2020-11-30 00:21:35,171 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |c_alloc_21_#res.base| (_ bv0 1))) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (exists ((|v_entry_point_#t~ret39.base_42| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_42|) (_ bv0 1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3)))))) is different from false [2020-11-30 00:21:35,178 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |c_alloc_21_#res.base| (_ bv0 1))) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (exists ((|v_entry_point_#t~ret39.base_42| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_42|) (_ bv0 1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3)))))) is different from true [2020-11-30 00:21:35,188 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-11-30 00:21:35,199 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_15|]} [2020-11-30 00:21:35,215 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-11-30 00:21:35,227 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_15|]} [2020-11-30 00:21:35,236 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (= (store |c_#valid| c_alloc_21_~p~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (exists ((|v_entry_point_#t~ret39.base_42| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_42|) (_ bv0 1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3)))))) is different from false [2020-11-30 00:21:35,241 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (= (store |c_#valid| c_alloc_21_~p~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (exists ((|v_entry_point_#t~ret39.base_42| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_42|) (_ bv0 1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3)))))) is different from true [2020-11-30 00:21:35,254 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-11-30 00:21:35,262 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_15|]} [2020-11-30 00:21:35,274 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (= (store |c_#valid| |c_alloc_21_#t~ret38.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (exists ((|v_entry_point_#t~ret39.base_42| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_42|) (_ bv0 1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3)))))) is different from false [2020-11-30 00:21:35,280 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (= (store |c_#valid| |c_alloc_21_#t~ret38.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (exists ((|v_entry_point_#t~ret39.base_42| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_42|) (_ bv0 1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3)))))) is different from true [2020-11-30 00:21:35,375 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-11-30 00:21:35,381 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_15|]} [2020-11-30 00:21:35,400 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1))) (|v_alloc_21_#t~ret38.base_81| (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_alloc_21_#t~ret38.base_81|))) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (exists ((|v_entry_point_#t~ret39.base_42| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_42|) (_ bv0 1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3)))) (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |v_alloc_21_#t~ret38.base_81| (_ bv0 1))))) is different from false [2020-11-30 00:21:35,410 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1))) (|v_alloc_21_#t~ret38.base_81| (_ BitVec 32))) (or (not (= (_ bv0 1) (select |c_#valid| |v_alloc_21_#t~ret38.base_81|))) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (exists ((|v_entry_point_#t~ret39.base_42| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_42|) (_ bv0 1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3)))) (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |v_alloc_21_#t~ret38.base_81| (_ bv0 1))))) is different from true [2020-11-30 00:21:35,483 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-11-30 00:21:35,499 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-11-30 00:21:35,509 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_8, v_prenex_5], 5=[v_prenex_6]} [2020-11-30 00:21:35,518 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_16|, |v_old(#valid)_BEFORE_CALL_15|]} [2020-11-30 00:21:35,577 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_16| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (|v_alloc_21_#t~ret38.base_81| (_ BitVec 32)) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (_ bv0 1) (select v_prenex_6 v_prenex_4))))) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret39.base_42| (_ BitVec 32))) (or (exists ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (and (= (_ bv0 1) (select v_prenex_6 v_entry_point_~dev~0.base_17)) (not (= (store v_prenex_6 v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_42|))) (= (store |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3))) (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_21_#t~ret38.base_81|)) (not (= (store |c_old(#valid)| |v_alloc_21_#t~ret38.base_81| (_ bv0 1)) v_prenex_5)))) (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_10 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_10)))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_9))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_9 (_ bv0 1)) v_prenex_8))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| v_prenex_7)) (not (= (store |v_old(#valid)_BEFORE_CALL_16| v_prenex_7 (_ bv0 1)) v_prenex_8)))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) is different from false [2020-11-30 00:21:35,589 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_16| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (|v_alloc_21_#t~ret38.base_81| (_ BitVec 32)) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (_ bv0 1) (select v_prenex_6 v_prenex_4))))) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret39.base_42| (_ BitVec 32))) (or (exists ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (and (= (_ bv0 1) (select v_prenex_6 v_entry_point_~dev~0.base_17)) (not (= (store v_prenex_6 v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_42|))) (= (store |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3))) (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_21_#t~ret38.base_81|)) (not (= (store |c_old(#valid)| |v_alloc_21_#t~ret38.base_81| (_ bv0 1)) v_prenex_5)))) (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_10 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_10)))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_9))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_9 (_ bv0 1)) v_prenex_8))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| v_prenex_7)) (not (= (store |v_old(#valid)_BEFORE_CALL_16| v_prenex_7 (_ bv0 1)) v_prenex_8)))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) is different from true [2020-11-30 00:21:35,629 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-11-30 00:21:35,645 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-11-30 00:21:35,651 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_8, v_prenex_5], 5=[v_prenex_6]} [2020-11-30 00:21:35,659 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_16|, |v_old(#valid)_BEFORE_CALL_15|]} [2020-11-30 00:21:35,734 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-11-30 00:21:35,748 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-11-30 00:21:35,754 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_8, v_prenex_5], 5=[v_prenex_6]} [2020-11-30 00:21:35,763 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_16|, |v_old(#valid)_BEFORE_CALL_15|]} [2020-11-30 00:21:35,796 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ldv_malloc_#res.base_69| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_16| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (|v_alloc_21_#t~ret38.base_81| (_ BitVec 32)) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (_ bv0 1) (select v_prenex_6 v_prenex_4))))) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret39.base_42| (_ BitVec 32))) (or (exists ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (and (= (_ bv0 1) (select v_prenex_6 v_entry_point_~dev~0.base_17)) (not (= (store v_prenex_6 v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_42|))) (= (store |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3))) (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_21_#t~ret38.base_81|)) (not (= (store |c_old(#valid)| |v_alloc_21_#t~ret38.base_81| (_ bv0 1)) v_prenex_5)))) (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_10 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_10)))) (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |v_ldv_malloc_#res.base_69| (_ bv0 1))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_9))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_9 (_ bv0 1)) v_prenex_8))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| v_prenex_7)) (not (= (store |v_old(#valid)_BEFORE_CALL_16| v_prenex_7 (_ bv0 1)) v_prenex_8)))) (not (= (select |c_#valid| |v_ldv_malloc_#res.base_69|) (_ bv0 1))))) is different from false [2020-11-30 00:21:35,816 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ldv_malloc_#res.base_69| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_16| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (|v_alloc_21_#t~ret38.base_81| (_ BitVec 32)) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (_ bv0 1) (select v_prenex_6 v_prenex_4))))) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret39.base_42| (_ BitVec 32))) (or (exists ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (and (= (_ bv0 1) (select v_prenex_6 v_entry_point_~dev~0.base_17)) (not (= (store v_prenex_6 v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_42|))) (= (store |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3))) (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_21_#t~ret38.base_81|)) (not (= (store |c_old(#valid)| |v_alloc_21_#t~ret38.base_81| (_ bv0 1)) v_prenex_5)))) (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_10 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_10)))) (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |v_ldv_malloc_#res.base_69| (_ bv0 1))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_9))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_9 (_ bv0 1)) v_prenex_8))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| v_prenex_7)) (not (= (store |v_old(#valid)_BEFORE_CALL_16| v_prenex_7 (_ bv0 1)) v_prenex_8)))) (not (= (select |c_#valid| |v_ldv_malloc_#res.base_69|) (_ bv0 1))))) is different from true [2020-11-30 00:21:35,855 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-11-30 00:21:35,871 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-11-30 00:21:35,876 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_8, v_prenex_5], 5=[v_prenex_6]} [2020-11-30 00:21:35,886 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_16|, |v_old(#valid)_BEFORE_CALL_15|]} [2020-11-30 00:21:35,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:21:35,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [721814740] [2020-11-30 00:21:35,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:21:35,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 17] imperfect sequences [] total 27 [2020-11-30 00:21:35,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271969287] [2020-11-30 00:21:35,933 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-11-30 00:21:35,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:21:35,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-11-30 00:21:35,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=162, Unknown=39, NotChecked=494, Total=756 [2020-11-30 00:21:35,935 INFO L87 Difference]: Start difference. First operand 29 states and 28 transitions. Second operand 28 states. [2020-11-30 00:21:44,844 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_#valid| (store |c_old(#valid)| |c_ldv_malloc_#res.base| (_ bv1 1))) (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_16| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (|v_alloc_21_#t~ret38.base_81| (_ BitVec 32)) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (_ bv0 1) (select v_prenex_6 v_prenex_4))))) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (|v_entry_point_#t~ret39.base_42| (_ BitVec 32))) (or (exists ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (and (= (_ bv0 1) (select v_prenex_6 v_entry_point_~dev~0.base_17)) (not (= (store v_prenex_6 v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_42|))) (= (store |v_old(#valid)_BEFORE_CALL_16| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3))) (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_21_#t~ret38.base_81|)) (not (= (store |c_old(#valid)| |v_alloc_21_#t~ret38.base_81| (_ bv0 1)) v_prenex_5)))) (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_10 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_10)))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_9))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_9 (_ bv0 1)) v_prenex_8))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| v_prenex_7)) (not (= (store |v_old(#valid)_BEFORE_CALL_16| v_prenex_7 (_ bv0 1)) v_prenex_8)))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) (= (select |c_old(#valid)| |c_ldv_malloc_#res.base|) (_ bv0 1))) is different from false [2020-11-30 00:21:44,855 WARN L838 $PredicateComparison]: unable to prove that (and (= (select |c_old(#valid)| |c_alloc_21_#t~ret38.base|) (_ bv0 1)) (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (= (store |c_#valid| |c_alloc_21_#t~ret38.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (exists ((|v_entry_point_#t~ret39.base_42| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_42|) (_ bv0 1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3)))))) (= (store |c_old(#valid)| |c_alloc_21_#t~ret38.base| (_ bv1 1)) |c_#valid|)) is different from false [2020-11-30 00:21:44,863 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (= (store |c_#valid| c_alloc_21_~p~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (exists ((|v_entry_point_#t~ret39.base_42| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_42|) (_ bv0 1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3)))))) (= (store |c_old(#valid)| c_alloc_21_~p~0.base (_ bv1 1)) |c_#valid|) (= (_ bv0 1) (select |c_old(#valid)| c_alloc_21_~p~0.base))) is different from false [2020-11-30 00:21:44,879 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |c_alloc_21_#res.base| (_ bv0 1))) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4)))) (exists ((|v_entry_point_#t~ret39.base_42| (_ BitVec 32)) (v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1)))) (and (= (select |c_old(#valid)| |v_entry_point_#t~ret39.base_42|) (_ bv0 1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_15| v_entry_point_~dev~0.base_17))))) (not (= (store |c_old(#valid)| |v_entry_point_#t~ret39.base_42| (_ bv0 1)) v_prenex_3)))))) (= (store |c_old(#valid)| |c_alloc_21_#res.base| (_ bv1 1)) |c_#valid|) (= (select |c_old(#valid)| |c_alloc_21_#res.base|) (_ bv0 1))) is different from false [2020-11-30 00:21:46,956 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_old(#valid)| |c_#valid|) (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |c_free_21_#in~dev.base| (_ bv0 1))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| |c_free_21_#in~dev.base| (_ bv0 1)) v_prenex_1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_1) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17)))))))))) is different from false [2020-11-30 00:21:46,962 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| |c_free_21_#in~dev.base| (_ bv0 1)) v_prenex_1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_1) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17))))))) (= (store |c_#valid| c_free_21_~dev.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) (= |c_old(#valid)| |c_#valid|) (= |c_free_21_#in~dev.base| c_free_21_~dev.base)) is different from false [2020-11-30 00:21:46,969 WARN L838 $PredicateComparison]: unable to prove that (and (= c_free_21_~p~1.base |c_free_21_#in~dev.base|) (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| |c_free_21_#in~dev.base| (_ bv0 1)) v_prenex_1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_1) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17))))))) (= (store |c_#valid| c_free_21_~p~1.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) (= |c_old(#valid)| |c_#valid|)) is different from false [2020-11-30 00:21:46,976 WARN L838 $PredicateComparison]: unable to prove that (and (= (store |c_old(#valid)| |c_free_21_#in~dev.base| (_ bv0 1)) |c_#valid|) (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (= |v_old(#valid)_BEFORE_CALL_13| |c_#valid|) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| |c_free_21_#in~dev.base| (_ bv0 1)) v_prenex_1)) (forall ((v_entry_point_~dev~0.base_17 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17 (_ bv0 1)) v_prenex_1) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_entry_point_~dev~0.base_17)))))))))) is different from false [2020-11-30 00:21:46,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:21:46,995 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2020-11-30 00:21:46,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-30 00:21:46,997 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 28 [2020-11-30 00:21:46,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:21:46,997 INFO L225 Difference]: With dead ends: 28 [2020-11-30 00:21:46,998 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:21:46,999 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 30 SyntacticMatches, 3 SemanticMatches, 36 ConstructedPredicates, 21 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 23.4s TimeCoverageRelationStatistics Valid=85, Invalid=191, Unknown=80, NotChecked=1050, Total=1406 [2020-11-30 00:21:46,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:21:46,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:21:46,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:21:46,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:21:47,000 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2020-11-30 00:21:47,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:21:47,000 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:21:47,000 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-11-30 00:21:47,000 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:21:47,000 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:21:47,201 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2020-11-30 00:21:47,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:21:47 BoogieIcfgContainer [2020-11-30 00:21:47,205 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:21:47,206 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:21:47,206 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:21:47,206 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:21:47,207 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:21:03" (3/4) ... [2020-11-30 00:21:47,210 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:21:47,218 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_submit_msg [2020-11-30 00:21:47,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.setCurrentRoundingMode [2020-11-30 00:21:47,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure alloc_21 [2020-11-30 00:21:47,219 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_positive [2020-11-30 00:21:47,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2020-11-30 00:21:47,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2020-11-30 00:21:47,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2020-11-30 00:21:47,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2020-11-30 00:21:47,220 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_nonpositive [2020-11-30 00:21:47,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2020-11-30 00:21:47,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_alloc [2020-11-30 00:21:47,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init_internal [2020-11-30 00:21:47,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_init [2020-11-30 00:21:47,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_fill [2020-11-30 00:21:47,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_sub [2020-11-30 00:21:47,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_add_return [2020-11-30 00:21:47,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2020-11-30 00:21:47,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_cleanup [2020-11-30 00:21:47,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2020-11-30 00:21:47,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2020-11-30 00:21:47,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2020-11-30 00:21:47,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2020-11-30 00:21:47,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_set_drvdata [2020-11-30 00:21:47,223 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_create [2020-11-30 00:21:47,223 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_del [2020-11-30 00:21:47,223 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_del [2020-11-30 00:21:47,223 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2020-11-30 00:21:47,223 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_del [2020-11-30 00:21:47,223 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_get [2020-11-30 00:21:47,223 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2020-11-30 00:21:47,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2020-11-30 00:21:47,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init [2020-11-30 00:21:47,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_sub_return [2020-11-30 00:21:47,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add_tail [2020-11-30 00:21:47,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2020-11-30 00:21:47,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure entry_point [2020-11-30 00:21:47,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2020-11-30 00:21:47,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_destroy_msgs [2020-11-30 00:21:47,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2020-11-30 00:21:47,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2020-11-30 00:21:47,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_release [2020-11-30 00:21:47,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2020-11-30 00:21:47,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure free_21 [2020-11-30 00:21:47,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2020-11-30 00:21:47,226 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2020-11-30 00:21:47,226 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_put [2020-11-30 00:21:47,226 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_get [2020-11-30 00:21:47,226 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_get_drvdata [2020-11-30 00:21:47,236 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2020-11-30 00:21:47,237 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-30 00:21:47,238 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 00:21:47,238 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 00:21:47,238 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:21:47,325 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b7d4bea4-b16a-4357-b06a-572e369f7776/bin/uautomizer/witness.graphml [2020-11-30 00:21:47,326 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:21:47,331 INFO L168 Benchmark]: Toolchain (without parser) took 47253.44 ms. Allocated memory was 67.1 MB in the beginning and 172.0 MB in the end (delta: 104.9 MB). Free memory was 47.8 MB in the beginning and 126.7 MB in the end (delta: -78.9 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:21:47,331 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 67.1 MB. Free memory is still 50.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:21:47,332 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1189.13 ms. Allocated memory was 67.1 MB in the beginning and 96.5 MB in the end (delta: 29.4 MB). Free memory was 47.5 MB in the beginning and 69.7 MB in the end (delta: -22.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:21:47,333 INFO L168 Benchmark]: Boogie Preprocessor took 153.98 ms. Allocated memory is still 96.5 MB. Free memory was 69.7 MB in the beginning and 64.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:21:47,335 INFO L168 Benchmark]: RCFGBuilder took 2034.60 ms. Allocated memory is still 96.5 MB. Free memory was 64.8 MB in the beginning and 69.5 MB in the end (delta: -4.7 MB). Peak memory consumption was 34.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:21:47,335 INFO L168 Benchmark]: TraceAbstraction took 43740.85 ms. Allocated memory was 96.5 MB in the beginning and 172.0 MB in the end (delta: 75.5 MB). Free memory was 69.5 MB in the beginning and 131.9 MB in the end (delta: -62.4 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:21:47,336 INFO L168 Benchmark]: Witness Printer took 123.38 ms. Allocated memory is still 172.0 MB. Free memory was 131.9 MB in the beginning and 126.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:21:47,341 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 67.1 MB. Free memory is still 50.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1189.13 ms. Allocated memory was 67.1 MB in the beginning and 96.5 MB in the end (delta: 29.4 MB). Free memory was 47.5 MB in the beginning and 69.7 MB in the end (delta: -22.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 153.98 ms. Allocated memory is still 96.5 MB. Free memory was 69.7 MB in the beginning and 64.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2034.60 ms. Allocated memory is still 96.5 MB. Free memory was 64.8 MB in the beginning and 69.5 MB in the end (delta: -4.7 MB). Peak memory consumption was 34.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 43740.85 ms. Allocated memory was 96.5 MB in the beginning and 172.0 MB in the end (delta: 75.5 MB). Free memory was 69.5 MB in the beginning and 131.9 MB in the end (delta: -62.4 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. * Witness Printer took 123.38 ms. Allocated memory is still 172.0 MB. Free memory was 131.9 MB in the beginning and 126.7 MB in the end (delta: 5.2 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: 779]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 772]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 772]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 772]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 74 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 345 locations, 74 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 43.6s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 12.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 226 SDtfs, 119 SDslu, 1011 SDs, 0 SdLazy, 652 SolverSat, 17 SolverUnsat, 23 SolverUnknown, 0 SolverNotchecked, 11.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 388 GetRequests, 283 SyntacticMatches, 6 SemanticMatches, 99 ConstructedPredicates, 21 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 25.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 24 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 27.0s InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 352 ConstructedInterpolants, 25 QuantifiedInterpolants, 53505 SizeOfPredicates, 30 NumberOfNonLiveVariables, 705 ConjunctsInSsa, 97 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...