./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-2.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_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/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 5be2e30df948ebd6000c3afde848283ab7f83dcc .................................................................................................................................. 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_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/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 5be2e30df948ebd6000c3afde848283ab7f83dcc ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 18:29:06,356 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:29:06,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:29:06,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:29:06,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:29:06,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:29:06,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:29:06,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:29:06,467 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:29:06,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:29:06,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:29:06,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:29:06,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:29:06,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:29:06,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:29:06,488 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:29:06,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:29:06,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:29:06,498 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:29:06,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:29:06,510 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:29:06,512 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:29:06,515 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:29:06,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:29:06,520 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:29:06,521 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:29:06,521 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:29:06,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:29:06,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:29:06,527 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:29:06,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:29:06,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:29:06,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:29:06,533 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:29:06,535 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:29:06,535 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:29:06,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:29:06,536 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:29:06,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:29:06,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:29:06,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:29:06,544 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-11-29 18:29:06,593 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:29:06,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:29:06,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:29:06,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:29:06,596 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:29:06,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:29:06,597 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:29:06,597 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 18:29:06,598 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:29:06,598 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:29:06,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:29:06,600 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-29 18:29:06,600 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-29 18:29:06,600 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-29 18:29:06,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:29:06,601 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-29 18:29:06,601 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:29:06,601 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:29:06,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:29:06,602 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:29:06,602 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:29:06,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 18:29:06,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:29:06,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:29:06,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:29:06,604 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:29:06,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:29:06,604 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:29:06,605 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_0c01a309-4c99-470f-88a5-754c20f4fd70/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5be2e30df948ebd6000c3afde848283ab7f83dcc [2020-11-29 18:29:06,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:29:07,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:29:07,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:29:07,022 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:29:07,025 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:29:07,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-2.i [2020-11-29 18:29:07,120 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/data/b71827177/20f9bb4a15e14759a531bf3eccc919ca/FLAGe25e2e66c [2020-11-29 18:29:07,990 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:29:07,991 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-2.i [2020-11-29 18:29:08,029 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/data/b71827177/20f9bb4a15e14759a531bf3eccc919ca/FLAGe25e2e66c [2020-11-29 18:29:08,174 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/data/b71827177/20f9bb4a15e14759a531bf3eccc919ca [2020-11-29 18:29:08,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:29:08,182 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-29 18:29:08,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:29:08,187 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:29:08,192 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:29:08,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:29:08" (1/1) ... [2020-11-29 18:29:08,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@101700cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:29:08, skipping insertion in model container [2020-11-29 18:29:08,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:29:08" (1/1) ... [2020-11-29 18:29:08,207 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:29:08,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:29:08,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:29:08,944 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-11-29 18:29:08,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4820a010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:29:08, skipping insertion in model container [2020-11-29 18:29:08,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:29:08,945 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-11-29 18:29:08,948 INFO L168 Benchmark]: Toolchain (without parser) took 765.18 ms. Allocated memory is still 111.1 MB. Free memory was 79.1 MB in the beginning and 83.0 MB in the end (delta: -3.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 18:29:08,949 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 79.7 MB. Free memory was 37.9 MB in the beginning and 37.8 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:29:08,951 INFO L168 Benchmark]: CACSL2BoogieTranslator took 758.40 ms. Allocated memory is still 111.1 MB. Free memory was 78.8 MB in the beginning and 83.6 MB in the end (delta: -4.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 18:29:08,953 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 79.7 MB. Free memory was 37.9 MB in the beginning and 37.8 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 758.40 ms. Allocated memory is still 111.1 MB. Free memory was 78.8 MB in the beginning and 83.6 MB in the end (delta: -4.9 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 [2020-11-29 18:29:11,803 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:29:11,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:29:11,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:29:11,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:29:11,894 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:29:11,898 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:29:11,902 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:29:11,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:29:11,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:29:11,919 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:29:11,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:29:11,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:29:11,931 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:29:11,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:29:11,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:29:11,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:29:11,944 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:29:11,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:29:11,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:29:11,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:29:11,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:29:11,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:29:11,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:29:11,962 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:29:11,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:29:11,964 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:29:11,965 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:29:11,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:29:11,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:29:11,968 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:29:11,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:29:11,974 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:29:11,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:29:11,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:29:11,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:29:11,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:29:11,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:29:11,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:29:11,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:29:11,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:29:11,986 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-11-29 18:29:12,028 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:29:12,029 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:29:12,031 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:29:12,031 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:29:12,032 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:29:12,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:29:12,032 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:29:12,033 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 18:29:12,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:29:12,033 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:29:12,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:29:12,034 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-29 18:29:12,034 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-29 18:29:12,034 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-29 18:29:12,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:29:12,035 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-29 18:29:12,035 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 18:29:12,035 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 18:29:12,036 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:29:12,036 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:29:12,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:29:12,037 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:29:12,037 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:29:12,037 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 18:29:12,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:29:12,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:29:12,038 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:29:12,038 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 18:29:12,039 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 18:29:12,039 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:29:12,039 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 18:29:12,040 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_0c01a309-4c99-470f-88a5-754c20f4fd70/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5be2e30df948ebd6000c3afde848283ab7f83dcc [2020-11-29 18:29:12,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:29:12,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:29:12,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:29:12,586 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:29:12,586 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:29:12,588 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-2.i [2020-11-29 18:29:12,672 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/data/9cb45abd3/75ebe4ae063b478d957fdc3f83134596/FLAG5a7a7846b [2020-11-29 18:29:13,470 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:29:13,471 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/sv-benchmarks/c/ldv-memsafety/memleaks_test17_1-2.i [2020-11-29 18:29:13,497 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/data/9cb45abd3/75ebe4ae063b478d957fdc3f83134596/FLAG5a7a7846b [2020-11-29 18:29:13,655 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/data/9cb45abd3/75ebe4ae063b478d957fdc3f83134596 [2020-11-29 18:29:13,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:29:13,660 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-29 18:29:13,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:29:13,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:29:13,667 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:29:13,668 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:29:13" (1/1) ... [2020-11-29 18:29:13,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60e9e5c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:29:13, skipping insertion in model container [2020-11-29 18:29:13,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:29:13" (1/1) ... [2020-11-29 18:29:13,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:29:13,737 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:29:14,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:29:14,334 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-29 18:29:14,351 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:29:14,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:29:14,426 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:29:14,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:29:14,732 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:29:14,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:29:14 WrapperNode [2020-11-29 18:29:14,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:29:14,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:29:14,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:29:14,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:29:14,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:29:14" (1/1) ... [2020-11-29 18:29:14,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:29:14" (1/1) ... [2020-11-29 18:29:14,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:29:14" (1/1) ... [2020-11-29 18:29:14,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:29:14" (1/1) ... [2020-11-29 18:29:14,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:29:14" (1/1) ... [2020-11-29 18:29:14,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:29:14" (1/1) ... [2020-11-29 18:29:14,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:29:14" (1/1) ... [2020-11-29 18:29:14,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:29:14,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:29:14,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:29:14,916 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:29:14,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:29:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:29:14,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-29 18:29:14,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:29:14,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-11-29 18:29:14,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-11-29 18:29:14,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-11-29 18:29:14,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-11-29 18:29:14,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-11-29 18:29:14,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-11-29 18:29:14,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-11-29 18:29:14,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-11-29 18:29:14,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-11-29 18:29:14,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-11-29 18:29:14,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-11-29 18:29:14,999 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-11-29 18:29:14,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-11-29 18:29:14,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-11-29 18:29:14,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-11-29 18:29:14,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-11-29 18:29:15,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-11-29 18:29:15,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-11-29 18:29:15,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-11-29 18:29:15,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-11-29 18:29:15,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-11-29 18:29:15,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-11-29 18:29:15,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-11-29 18:29:15,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-11-29 18:29:15,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-11-29 18:29:15,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-11-29 18:29:15,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-11-29 18:29:15,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-11-29 18:29:15,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-11-29 18:29:15,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-11-29 18:29:15,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-11-29 18:29:15,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-11-29 18:29:15,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-11-29 18:29:15,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-11-29 18:29:15,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-11-29 18:29:15,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-11-29 18:29:15,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-11-29 18:29:15,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-11-29 18:29:15,004 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-11-29 18:29:15,004 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-11-29 18:29:15,004 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_17 [2020-11-29 18:29:15,004 INFO L138 BoogieDeclarations]: Found implementation of procedure free_17 [2020-11-29 18:29:15,004 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-11-29 18:29:15,005 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-29 18:29:15,006 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-11-29 18:29:15,006 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-11-29 18:29:15,010 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-11-29 18:29:15,010 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-11-29 18:29:15,011 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-11-29 18:29:15,011 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-11-29 18:29:15,012 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-11-29 18:29:15,012 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-11-29 18:29:15,013 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-11-29 18:29:15,013 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-11-29 18:29:15,013 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-11-29 18:29:15,013 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-11-29 18:29:15,013 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-11-29 18:29:15,014 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-11-29 18:29:15,015 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-11-29 18:29:15,015 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-11-29 18:29:15,015 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-11-29 18:29:15,015 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-11-29 18:29:15,016 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-11-29 18:29:15,017 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-11-29 18:29:15,018 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-11-29 18:29:15,018 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-11-29 18:29:15,019 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-11-29 18:29:15,019 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-11-29 18:29:15,019 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-11-29 18:29:15,019 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-11-29 18:29:15,020 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-11-29 18:29:15,020 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-11-29 18:29:15,020 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-11-29 18:29:15,020 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-11-29 18:29:15,020 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-11-29 18:29:15,020 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-11-29 18:29:15,021 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-11-29 18:29:15,021 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-11-29 18:29:15,021 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-11-29 18:29:15,021 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-11-29 18:29:15,021 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-11-29 18:29:15,022 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-11-29 18:29:15,023 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-11-29 18:29:15,023 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-11-29 18:29:15,023 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-11-29 18:29:15,023 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-11-29 18:29:15,024 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-11-29 18:29:15,024 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-11-29 18:29:15,024 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-11-29 18:29:15,024 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-11-29 18:29:15,024 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-11-29 18:29:15,024 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-11-29 18:29:15,025 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-11-29 18:29:15,025 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-11-29 18:29:15,025 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-11-29 18:29:15,025 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-11-29 18:29:15,025 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-11-29 18:29:15,026 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-11-29 18:29:15,026 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-11-29 18:29:15,026 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-11-29 18:29:15,026 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-11-29 18:29:15,026 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-11-29 18:29:15,026 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-29 18:29:15,027 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-11-29 18:29:15,027 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-11-29 18:29:15,027 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-29 18:29:15,028 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-11-29 18:29:15,028 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-11-29 18:29:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-11-29 18:29:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-11-29 18:29:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-29 18:29:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-11-29 18:29:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-11-29 18:29:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-11-29 18:29:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-29 18:29:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-11-29 18:29:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-11-29 18:29:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-11-29 18:29:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-11-29 18:29:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-11-29 18:29:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-11-29 18:29:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-11-29 18:29:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-11-29 18:29:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-11-29 18:29:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-11-29 18:29:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-11-29 18:29:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-11-29 18:29:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-11-29 18:29:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-11-29 18:29:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-11-29 18:29:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-11-29 18:29:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-11-29 18:29:15,043 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-11-29 18:29:15,043 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-11-29 18:29:15,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-11-29 18:29:15,043 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-11-29 18:29:15,049 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-11-29 18:29:15,049 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-11-29 18:29:15,049 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-11-29 18:29:15,049 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-11-29 18:29:15,049 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-11-29 18:29:15,049 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-11-29 18:29:15,050 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-11-29 18:29:15,050 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-11-29 18:29:15,050 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-11-29 18:29:15,050 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-11-29 18:29:15,050 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-11-29 18:29:15,050 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-11-29 18:29:15,051 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-11-29 18:29:15,051 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-11-29 18:29:15,051 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-11-29 18:29:15,051 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-11-29 18:29:15,051 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-11-29 18:29:15,051 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-11-29 18:29:15,051 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-11-29 18:29:15,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-29 18:29:15,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-11-29 18:29:15,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-11-29 18:29:15,052 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-11-29 18:29:15,052 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-11-29 18:29:15,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-11-29 18:29:15,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-29 18:29:15,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-11-29 18:29:15,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-11-29 18:29:15,053 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-11-29 18:29:15,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-29 18:29:15,053 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-11-29 18:29:15,053 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-11-29 18:29:15,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-11-29 18:29:15,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-29 18:29:15,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-11-29 18:29:15,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-11-29 18:29:15,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-11-29 18:29:15,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-11-29 18:29:15,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-11-29 18:29:15,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-11-29 18:29:15,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 18:29:15,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-11-29 18:29:15,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-11-29 18:29:15,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-11-29 18:29:15,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-11-29 18:29:15,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-11-29 18:29:15,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-29 18:29:15,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-29 18:29:15,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-11-29 18:29:15,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-11-29 18:29:15,056 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-11-29 18:29:15,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-11-29 18:29:15,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-11-29 18:29:15,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-11-29 18:29:15,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-11-29 18:29:15,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-11-29 18:29:15,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-11-29 18:29:15,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-11-29 18:29:15,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-11-29 18:29:15,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-11-29 18:29:15,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-11-29 18:29:15,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-11-29 18:29:15,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-11-29 18:29:15,069 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-11-29 18:29:15,069 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-11-29 18:29:15,069 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_17 [2020-11-29 18:29:15,069 INFO L130 BoogieDeclarations]: Found specification of procedure free_17 [2020-11-29 18:29:15,070 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-11-29 18:29:15,070 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-29 18:29:15,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-29 18:29:15,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:29:15,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-29 18:29:15,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:29:15,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-11-29 18:29:15,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-11-29 18:29:15,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-11-29 18:29:15,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-11-29 18:29:15,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-11-29 18:29:15,948 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-29 18:29:16,464 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-29 18:29:17,140 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:29:17,141 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-29 18:29:17,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:29:17 BoogieIcfgContainer [2020-11-29 18:29:17,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:29:17,144 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 18:29:17,144 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 18:29:17,147 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 18:29:17,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:29:13" (1/3) ... [2020-11-29 18:29:17,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@191f9068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:29:17, skipping insertion in model container [2020-11-29 18:29:17,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:29:14" (2/3) ... [2020-11-29 18:29:17,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@191f9068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:29:17, skipping insertion in model container [2020-11-29 18:29:17,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:29:17" (3/3) ... [2020-11-29 18:29:17,150 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test17_1-2.i [2020-11-29 18:29:17,163 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 18:29:17,168 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 90 error locations. [2020-11-29 18:29:17,181 INFO L253 AbstractCegarLoop]: Starting to check reachability of 90 error locations. [2020-11-29 18:29:17,201 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 18:29:17,201 INFO L378 AbstractCegarLoop]: Hoare is false [2020-11-29 18:29:17,201 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 18:29:17,201 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:29:17,202 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:29:17,202 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 18:29:17,202 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:29:17,202 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 18:29:17,220 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2020-11-29 18:29:17,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 18:29:17,229 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:29:17,230 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:29:17,231 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 18:29:17,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:29:17,237 INFO L82 PathProgramCache]: Analyzing trace with hash -67233649, now seen corresponding path program 1 times [2020-11-29 18:29:17,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:29:17,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2101276875] [2020-11-29 18:29:17,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-29 18:29:17,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:29:17,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 18:29:17,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:29:17,624 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-29 18:29:17,624 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:29:17,632 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:29:17,632 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 18:29:17,632 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-11-29 18:29:17,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:29:17,661 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:29:17,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:29:17,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2101276875] [2020-11-29 18:29:17,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:29:17,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-29 18:29:17,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667755879] [2020-11-29 18:29:17,735 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 18:29:17,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:29:17,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 18:29:17,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:29:17,754 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 5 states. [2020-11-29 18:29:18,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:29:18,048 INFO L93 Difference]: Finished difference Result 87 states and 98 transitions. [2020-11-29 18:29:18,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 18:29:18,050 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-11-29 18:29:18,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:29:18,061 INFO L225 Difference]: With dead ends: 87 [2020-11-29 18:29:18,061 INFO L226 Difference]: Without dead ends: 84 [2020-11-29 18:29:18,062 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:29:18,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-11-29 18:29:18,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 80. [2020-11-29 18:29:18,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-11-29 18:29:18,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 91 transitions. [2020-11-29 18:29:18,121 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 91 transitions. Word has length 16 [2020-11-29 18:29:18,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:29:18,121 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 91 transitions. [2020-11-29 18:29:18,122 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 18:29:18,122 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 91 transitions. [2020-11-29 18:29:18,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 18:29:18,124 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:29:18,124 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:29:18,337 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 18:29:18,337 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 18:29:18,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:29:18,338 INFO L82 PathProgramCache]: Analyzing trace with hash -67233648, now seen corresponding path program 1 times [2020-11-29 18:29:18,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:29:18,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1588248669] [2020-11-29 18:29:18,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-29 18:29:18,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:29:18,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 13 conjunts are in the unsatisfiable core [2020-11-29 18:29:18,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:29:18,657 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-29 18:29:18,658 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:29:18,680 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:29:18,680 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 18:29:18,680 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-11-29 18:29:18,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:29:18,772 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:29:19,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:29:19,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1588248669] [2020-11-29 18:29:19,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:29:19,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2020-11-29 18:29:19,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173721847] [2020-11-29 18:29:19,714 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-29 18:29:19,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:29:19,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-29 18:29:19,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-11-29 18:29:19,716 INFO L87 Difference]: Start difference. First operand 80 states and 91 transitions. Second operand 14 states. [2020-11-29 18:29:20,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:29:20,977 INFO L93 Difference]: Finished difference Result 93 states and 108 transitions. [2020-11-29 18:29:20,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-29 18:29:20,979 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 16 [2020-11-29 18:29:20,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:29:20,981 INFO L225 Difference]: With dead ends: 93 [2020-11-29 18:29:20,981 INFO L226 Difference]: Without dead ends: 93 [2020-11-29 18:29:20,982 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 17 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2020-11-29 18:29:20,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-11-29 18:29:20,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 85. [2020-11-29 18:29:20,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-11-29 18:29:20,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 97 transitions. [2020-11-29 18:29:20,993 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 97 transitions. Word has length 16 [2020-11-29 18:29:20,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:29:20,993 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 97 transitions. [2020-11-29 18:29:20,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-29 18:29:20,994 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 97 transitions. [2020-11-29 18:29:20,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 18:29:20,994 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:29:20,994 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:29:21,195 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-29 18:29:21,195 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 18:29:21,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:29:21,196 INFO L82 PathProgramCache]: Analyzing trace with hash 820270032, now seen corresponding path program 1 times [2020-11-29 18:29:21,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:29:21,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [34039684] [2020-11-29 18:29:21,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-29 18:29:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:29:21,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 18:29:21,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:29:21,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:29:21,472 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:29:21,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:29:21,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [34039684] [2020-11-29 18:29:21,539 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:29:21,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-29 18:29:21,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881604395] [2020-11-29 18:29:21,540 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 18:29:21,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:29:21,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 18:29:21,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:29:21,541 INFO L87 Difference]: Start difference. First operand 85 states and 97 transitions. Second operand 5 states. [2020-11-29 18:29:21,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:29:21,610 INFO L93 Difference]: Finished difference Result 84 states and 93 transitions. [2020-11-29 18:29:21,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 18:29:21,614 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-11-29 18:29:21,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:29:21,615 INFO L225 Difference]: With dead ends: 84 [2020-11-29 18:29:21,615 INFO L226 Difference]: Without dead ends: 84 [2020-11-29 18:29:21,616 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:29:21,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-11-29 18:29:21,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 82. [2020-11-29 18:29:21,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-11-29 18:29:21,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 91 transitions. [2020-11-29 18:29:21,625 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 91 transitions. Word has length 16 [2020-11-29 18:29:21,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:29:21,626 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 91 transitions. [2020-11-29 18:29:21,626 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 18:29:21,626 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2020-11-29 18:29:21,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 18:29:21,627 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:29:21,627 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:29:21,827 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-29 18:29:21,831 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 18:29:21,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:29:21,831 INFO L82 PathProgramCache]: Analyzing trace with hash -2083416263, now seen corresponding path program 1 times [2020-11-29 18:29:21,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:29:21,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1959716690] [2020-11-29 18:29:21,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-29 18:29:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:29:22,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 18:29:22,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:29:22,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:29:22,102 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:29:22,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:29:22,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1959716690] [2020-11-29 18:29:22,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:29:22,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-29 18:29:22,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689721513] [2020-11-29 18:29:22,214 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 18:29:22,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:29:22,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 18:29:22,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:29:22,215 INFO L87 Difference]: Start difference. First operand 82 states and 91 transitions. Second operand 5 states. [2020-11-29 18:29:22,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:29:22,290 INFO L93 Difference]: Finished difference Result 84 states and 92 transitions. [2020-11-29 18:29:22,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 18:29:22,292 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-11-29 18:29:22,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:29:22,294 INFO L225 Difference]: With dead ends: 84 [2020-11-29 18:29:22,294 INFO L226 Difference]: Without dead ends: 84 [2020-11-29 18:29:22,294 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:29:22,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-11-29 18:29:22,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 82. [2020-11-29 18:29:22,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-11-29 18:29:22,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 90 transitions. [2020-11-29 18:29:22,310 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 90 transitions. Word has length 17 [2020-11-29 18:29:22,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:29:22,311 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 90 transitions. [2020-11-29 18:29:22,311 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 18:29:22,311 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 90 transitions. [2020-11-29 18:29:22,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 18:29:22,312 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:29:22,312 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:29:22,521 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-29 18:29:22,522 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 18:29:22,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:29:22,522 INFO L82 PathProgramCache]: Analyzing trace with hash -340605928, now seen corresponding path program 1 times [2020-11-29 18:29:22,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:29:22,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2042212373] [2020-11-29 18:29:22,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-29 18:29:22,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:29:22,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-29 18:29:22,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:29:22,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:29:22,740 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:29:22,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:29:22,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2042212373] [2020-11-29 18:29:22,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:29:22,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-29 18:29:22,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264190406] [2020-11-29 18:29:22,802 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 18:29:22,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:29:22,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:29:22,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:29:22,803 INFO L87 Difference]: Start difference. First operand 82 states and 90 transitions. Second operand 3 states. [2020-11-29 18:29:23,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:29:23,006 INFO L93 Difference]: Finished difference Result 120 states and 133 transitions. [2020-11-29 18:29:23,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:29:23,007 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-29 18:29:23,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:29:23,008 INFO L225 Difference]: With dead ends: 120 [2020-11-29 18:29:23,008 INFO L226 Difference]: Without dead ends: 115 [2020-11-29 18:29:23,009 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:29:23,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-11-29 18:29:23,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 80. [2020-11-29 18:29:23,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-11-29 18:29:23,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 87 transitions. [2020-11-29 18:29:23,023 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 87 transitions. Word has length 17 [2020-11-29 18:29:23,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:29:23,025 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 87 transitions. [2020-11-29 18:29:23,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 18:29:23,025 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 87 transitions. [2020-11-29 18:29:23,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 18:29:23,027 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:29:23,027 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:29:23,228 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-29 18:29:23,229 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 18:29:23,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:29:23,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1976385840, now seen corresponding path program 1 times [2020-11-29 18:29:23,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:29:23,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [873515174] [2020-11-29 18:29:23,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-11-29 18:29:23,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:29:23,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-29 18:29:23,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:29:23,499 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-29 18:29:23,499 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:29:23,505 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:29:23,506 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 18:29:23,506 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-11-29 18:29:23,631 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:29:23,631 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:29:23,983 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 18:29:26,152 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:29:26,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [873515174] [2020-11-29 18:29:26,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:29:26,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 18 [2020-11-29 18:29:26,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518556254] [2020-11-29 18:29:26,153 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-29 18:29:26,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:29:26,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-29 18:29:26,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2020-11-29 18:29:26,156 INFO L87 Difference]: Start difference. First operand 80 states and 87 transitions. Second operand 19 states. [2020-11-29 18:29:27,165 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2020-11-29 18:29:27,980 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-11-29 18:29:28,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:29:28,834 INFO L93 Difference]: Finished difference Result 97 states and 110 transitions. [2020-11-29 18:29:28,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-29 18:29:28,835 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 22 [2020-11-29 18:29:28,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:29:28,837 INFO L225 Difference]: With dead ends: 97 [2020-11-29 18:29:28,837 INFO L226 Difference]: Without dead ends: 97 [2020-11-29 18:29:28,837 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=166, Invalid=704, Unknown=0, NotChecked=0, Total=870 [2020-11-29 18:29:28,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-11-29 18:29:28,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 92. [2020-11-29 18:29:28,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-11-29 18:29:28,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 101 transitions. [2020-11-29 18:29:28,848 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 101 transitions. Word has length 22 [2020-11-29 18:29:28,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:29:28,848 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 101 transitions. [2020-11-29 18:29:28,848 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-29 18:29:28,848 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2020-11-29 18:29:28,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-29 18:29:28,849 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:29:28,849 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:29:29,049 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-29 18:29:29,053 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 18:29:29,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:29:29,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1887639459, now seen corresponding path program 1 times [2020-11-29 18:29:29,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:29:29,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [750424791] [2020-11-29 18:29:29,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-11-29 18:29:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:29:29,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-29 18:29:29,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:29:29,407 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:29:29,408 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:29:29,742 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:29:29,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [750424791] [2020-11-29 18:29:29,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:29:29,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 13 [2020-11-29 18:29:29,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078889429] [2020-11-29 18:29:29,743 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-29 18:29:29,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:29:29,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-29 18:29:29,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-11-29 18:29:29,744 INFO L87 Difference]: Start difference. First operand 92 states and 101 transitions. Second operand 13 states. [2020-11-29 18:29:30,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:29:30,386 INFO L93 Difference]: Finished difference Result 98 states and 104 transitions. [2020-11-29 18:29:30,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-29 18:29:30,387 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 35 [2020-11-29 18:29:30,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:29:30,389 INFO L225 Difference]: With dead ends: 98 [2020-11-29 18:29:30,389 INFO L226 Difference]: Without dead ends: 98 [2020-11-29 18:29:30,389 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=105, Invalid=167, Unknown=0, NotChecked=0, Total=272 [2020-11-29 18:29:30,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-11-29 18:29:30,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 97. [2020-11-29 18:29:30,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-11-29 18:29:30,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 104 transitions. [2020-11-29 18:29:30,400 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 104 transitions. Word has length 35 [2020-11-29 18:29:30,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:29:30,400 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 104 transitions. [2020-11-29 18:29:30,400 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-29 18:29:30,400 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 104 transitions. [2020-11-29 18:29:30,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 18:29:30,404 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:29:30,404 INFO L422 BasicCegarLoop]: trace histogram [7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:29:30,604 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-11-29 18:29:30,605 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 18:29:30,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:29:30,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1668351152, now seen corresponding path program 2 times [2020-11-29 18:29:30,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:29:30,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2002445816] [2020-11-29 18:29:30,606 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2020-11-29 18:29:30,864 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-29 18:29:30,865 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-29 18:29:30,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 20 conjunts are in the unsatisfiable core [2020-11-29 18:29:30,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:29:30,900 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-29 18:29:30,900 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:29:30,909 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:29:30,910 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 18:29:30,910 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-11-29 18:29:31,249 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:29:31,249 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:29:31,517 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 18:29:33,826 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 18:29:36,571 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 18:29:36,572 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 18:29:36,572 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-11-29 18:29:37,330 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:29:37,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2002445816] [2020-11-29 18:29:37,331 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:29:37,331 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16] total 29 [2020-11-29 18:29:37,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786916921] [2020-11-29 18:29:37,332 INFO L461 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-11-29 18:29:37,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:29:37,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-11-29 18:29:37,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=693, Unknown=0, NotChecked=0, Total=870 [2020-11-29 18:29:37,334 INFO L87 Difference]: Start difference. First operand 97 states and 104 transitions. Second operand 30 states. [2020-11-29 18:29:39,055 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 28 [2020-11-29 18:29:39,726 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 32 [2020-11-29 18:29:40,457 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 32 [2020-11-29 18:29:41,042 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 28 [2020-11-29 18:29:41,691 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 31 [2020-11-29 18:29:42,153 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 27 [2020-11-29 18:29:43,171 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 32 [2020-11-29 18:29:43,712 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 28 [2020-11-29 18:29:44,262 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 32 [2020-11-29 18:29:44,652 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 28 [2020-11-29 18:29:45,240 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 32 [2020-11-29 18:29:46,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:29:46,862 INFO L93 Difference]: Finished difference Result 118 states and 131 transitions. [2020-11-29 18:29:46,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-11-29 18:29:46,864 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 34 [2020-11-29 18:29:46,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:29:46,865 INFO L225 Difference]: With dead ends: 118 [2020-11-29 18:29:46,865 INFO L226 Difference]: Without dead ends: 118 [2020-11-29 18:29:46,867 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 37 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 478 ImplicationChecksByTransitivity, 13.0s TimeCoverageRelationStatistics Valid=526, Invalid=1636, Unknown=0, NotChecked=0, Total=2162 [2020-11-29 18:29:46,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-11-29 18:29:46,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 116. [2020-11-29 18:29:46,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-11-29 18:29:46,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 128 transitions. [2020-11-29 18:29:46,873 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 128 transitions. Word has length 34 [2020-11-29 18:29:46,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:29:46,873 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 128 transitions. [2020-11-29 18:29:46,874 INFO L482 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-11-29 18:29:46,874 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 128 transitions. [2020-11-29 18:29:46,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 18:29:46,875 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:29:46,875 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:29:47,076 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2020-11-29 18:29:47,076 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 18:29:47,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:29:47,076 INFO L82 PathProgramCache]: Analyzing trace with hash 355937783, now seen corresponding path program 2 times [2020-11-29 18:29:47,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:29:47,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1802355486] [2020-11-29 18:29:47,077 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2020-11-29 18:29:47,255 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-11-29 18:29:47,255 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-29 18:29:47,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 18:29:47,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:29:47,297 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2020-11-29 18:29:47,298 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:29:47,390 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2020-11-29 18:29:47,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1802355486] [2020-11-29 18:29:47,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:29:47,390 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2020-11-29 18:29:47,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311602083] [2020-11-29 18:29:47,391 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 18:29:47,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:29:47,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 18:29:47,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-29 18:29:47,392 INFO L87 Difference]: Start difference. First operand 116 states and 128 transitions. Second operand 7 states. [2020-11-29 18:29:47,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:29:47,530 INFO L93 Difference]: Finished difference Result 147 states and 163 transitions. [2020-11-29 18:29:47,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 18:29:47,532 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2020-11-29 18:29:47,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:29:47,534 INFO L225 Difference]: With dead ends: 147 [2020-11-29 18:29:47,534 INFO L226 Difference]: Without dead ends: 144 [2020-11-29 18:29:47,534 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-11-29 18:29:47,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-11-29 18:29:47,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 117. [2020-11-29 18:29:47,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-11-29 18:29:47,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 129 transitions. [2020-11-29 18:29:47,549 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 129 transitions. Word has length 50 [2020-11-29 18:29:47,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:29:47,552 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 129 transitions. [2020-11-29 18:29:47,553 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 18:29:47,553 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 129 transitions. [2020-11-29 18:29:47,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 18:29:47,556 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:29:47,559 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:29:47,769 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2020-11-29 18:29:47,770 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 18:29:47,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:29:47,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1622715602, now seen corresponding path program 1 times [2020-11-29 18:29:47,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:29:47,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1119134335] [2020-11-29 18:29:47,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2020-11-29 18:29:48,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:29:48,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-29 18:29:48,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:29:48,193 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 4 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:29:48,193 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:29:49,150 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:29:49,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1119134335] [2020-11-29 18:29:49,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:29:49,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 16] total 26 [2020-11-29 18:29:49,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338845788] [2020-11-29 18:29:49,151 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-11-29 18:29:49,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:29:49,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-11-29 18:29:49,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=502, Unknown=0, NotChecked=0, Total=650 [2020-11-29 18:29:49,152 INFO L87 Difference]: Start difference. First operand 117 states and 129 transitions. Second operand 26 states. [2020-11-29 18:29:49,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:29:49,718 INFO L93 Difference]: Finished difference Result 117 states and 127 transitions. [2020-11-29 18:29:49,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-29 18:29:49,719 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 50 [2020-11-29 18:29:49,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:29:49,720 INFO L225 Difference]: With dead ends: 117 [2020-11-29 18:29:49,721 INFO L226 Difference]: Without dead ends: 117 [2020-11-29 18:29:49,721 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 4 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=162, Invalid=540, Unknown=0, NotChecked=0, Total=702 [2020-11-29 18:29:49,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-11-29 18:29:49,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2020-11-29 18:29:49,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-11-29 18:29:49,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 127 transitions. [2020-11-29 18:29:49,725 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 127 transitions. Word has length 50 [2020-11-29 18:29:49,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:29:49,725 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 127 transitions. [2020-11-29 18:29:49,725 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-11-29 18:29:49,726 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 127 transitions. [2020-11-29 18:29:49,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-29 18:29:49,727 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:29:49,727 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:29:49,940 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2020-11-29 18:29:49,941 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 18:29:49,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:29:49,941 INFO L82 PathProgramCache]: Analyzing trace with hash -1535917294, now seen corresponding path program 2 times [2020-11-29 18:29:49,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:29:49,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [252692235] [2020-11-29 18:29:49,942 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2020-11-29 18:29:50,198 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-11-29 18:29:50,198 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-29 18:29:50,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-29 18:29:50,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:29:50,227 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-29 18:29:50,227 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:29:50,229 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:29:50,229 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 18:29:50,229 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-11-29 18:29:50,356 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:29:50,356 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 30 [2020-11-29 18:29:50,356 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:29:50,371 INFO L625 ElimStorePlain]: treesize reduction 14, result has 44.0 percent of original size [2020-11-29 18:29:50,371 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 18:29:50,372 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:11 [2020-11-29 18:29:50,387 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-11-29 18:29:50,387 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:29:50,556 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-11-29 18:29:50,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [252692235] [2020-11-29 18:29:50,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:29:50,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 9 [2020-11-29 18:29:50,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545426072] [2020-11-29 18:29:50,557 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-29 18:29:50,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:29:50,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-29 18:29:50,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-29 18:29:50,558 INFO L87 Difference]: Start difference. First operand 117 states and 127 transitions. Second operand 10 states. [2020-11-29 18:30:55,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:30:55,386 INFO L93 Difference]: Finished difference Result 210 states and 240 transitions. [2020-11-29 18:30:55,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-29 18:30:55,387 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 56 [2020-11-29 18:30:55,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:30:55,389 INFO L225 Difference]: With dead ends: 210 [2020-11-29 18:30:55,389 INFO L226 Difference]: Without dead ends: 210 [2020-11-29 18:30:55,389 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 100 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=74, Invalid=264, Unknown=4, NotChecked=0, Total=342 [2020-11-29 18:30:55,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2020-11-29 18:30:55,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 155. [2020-11-29 18:30:55,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-11-29 18:30:55,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 186 transitions. [2020-11-29 18:30:55,398 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 186 transitions. Word has length 56 [2020-11-29 18:30:55,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:30:55,398 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 186 transitions. [2020-11-29 18:30:55,399 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-29 18:30:55,399 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 186 transitions. [2020-11-29 18:30:55,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-29 18:30:55,400 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:30:55,400 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:30:55,605 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2020-11-29 18:30:55,606 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 18:30:55,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:30:55,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1535917293, now seen corresponding path program 1 times [2020-11-29 18:30:55,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:30:55,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [11228740] [2020-11-29 18:30:55,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2020-11-29 18:30:55,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:30:55,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 28 conjunts are in the unsatisfiable core [2020-11-29 18:30:55,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:30:55,971 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-29 18:30:55,971 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:30:55,982 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:30:55,986 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-29 18:30:55,986 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-29 18:30:55,997 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:30:55,997 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 18:30:55,997 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2020-11-29 18:30:58,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-29 18:30:58,317 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2020-11-29 18:30:58,318 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:30:58,350 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:30:58,366 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:30:58,366 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2020-11-29 18:30:58,367 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-29 18:30:58,386 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:30:58,393 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 18:30:58,393 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:32, output treesize:12 [2020-11-29 18:30:58,450 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-11-29 18:30:58,451 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:30:58,766 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 18:31:05,919 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 24 [2020-11-29 18:31:05,925 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 18:31:05,929 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 18:31:05,931 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 18:31:05,936 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 18:31:05,940 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 18:31:16,715 WARN L193 SmtUtils]: Spent 6.18 s on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2020-11-29 18:31:16,736 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 18:31:18,811 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((ldv_malloc_~size (_ BitVec 32)) (v_alloc_17_~array.offset_BEFORE_CALL_2 (_ BitVec 32)) (v_alloc_17_~i~0_BEFORE_CALL_2 (_ BitVec 32)) (v_alloc_17_~array.base_BEFORE_CALL_4 (_ BitVec 32)) (|v_ldv_malloc_#t~malloc12.base_49| (_ BitVec 32))) (let ((.cse1 (bvmul v_alloc_17_~i~0_BEFORE_CALL_2 (_ bv4 32)))) (let ((.cse0 (bvadd v_alloc_17_~array.offset_BEFORE_CALL_2 .cse1 (_ bv4 32)))) (or (exists ((v_ldv_malloc_~size_55 (_ BitVec 32)) (v_prenex_4 (_ BitVec 32))) (and (not (bvule (bvadd v_alloc_17_~array.offset_BEFORE_CALL_2 (bvmul v_alloc_17_~i~0_BEFORE_CALL_2 (_ bv4 32)) (_ bv4 32)) (select (store |c_old(#length)| v_prenex_4 v_ldv_malloc_~size_55) v_alloc_17_~array.base_BEFORE_CALL_4))) (= (select |c_old(#valid)| v_prenex_4) (_ bv0 1)))) (bvule .cse0 (select (store |c_#length| |v_ldv_malloc_#t~malloc12.base_49| ldv_malloc_~size) v_alloc_17_~array.base_BEFORE_CALL_4)) (not (bvule (bvadd v_alloc_17_~array.offset_BEFORE_CALL_2 .cse1) .cse0)) (not (= (select |c_#valid| |v_ldv_malloc_#t~malloc12.base_49|) (_ bv0 1))))))) (or (exists ((|v_ldv_malloc_#t~malloc12.base_48| (_ BitVec 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_48|))) (forall ((|v_ldv_malloc_#t~malloc12.base_49| (_ BitVec 32))) (not (= (select |c_#valid| |v_ldv_malloc_#t~malloc12.base_49|) (_ bv0 1)))))) is different from true [2020-11-29 18:31:18,827 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-11-29 18:31:20,884 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((ldv_malloc_~size (_ BitVec 32)) (v_alloc_17_~array.offset_BEFORE_CALL_2 (_ BitVec 32)) (v_alloc_17_~i~0_BEFORE_CALL_2 (_ BitVec 32)) (v_alloc_17_~array.base_BEFORE_CALL_4 (_ BitVec 32)) (|v_ldv_malloc_#t~malloc12.base_49| (_ BitVec 32))) (let ((.cse1 (bvmul v_alloc_17_~i~0_BEFORE_CALL_2 (_ bv4 32)))) (let ((.cse0 (bvadd v_alloc_17_~array.offset_BEFORE_CALL_2 .cse1 (_ bv4 32)))) (or (exists ((v_ldv_malloc_~size_55 (_ BitVec 32)) (v_prenex_4 (_ BitVec 32))) (and (not (bvule (bvadd v_alloc_17_~array.offset_BEFORE_CALL_2 (bvmul v_alloc_17_~i~0_BEFORE_CALL_2 (_ bv4 32)) (_ bv4 32)) (select (store |c_old(#length)| v_prenex_4 v_ldv_malloc_~size_55) v_alloc_17_~array.base_BEFORE_CALL_4))) (= (select |c_old(#valid)| v_prenex_4) (_ bv0 1)))) (bvule .cse0 (select (store |c_#length| |v_ldv_malloc_#t~malloc12.base_49| ldv_malloc_~size) v_alloc_17_~array.base_BEFORE_CALL_4)) (not (bvule (bvadd v_alloc_17_~array.offset_BEFORE_CALL_2 .cse1) .cse0)) (not (= (select |c_#valid| |v_ldv_malloc_#t~malloc12.base_49|) (_ bv0 1))))))) (or (exists ((|v_ldv_malloc_#t~malloc12.base_48| (_ BitVec 32))) (= (_ bv0 1) (select |c_old(#valid)| |v_ldv_malloc_#t~malloc12.base_48|))) (forall ((v_prenex_5 (_ BitVec 32))) (not (= (select |c_#valid| v_prenex_5) (_ bv0 1)))))) is different from true [2020-11-29 18:31:28,054 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ldv_malloc_~size_55 (_ BitVec 32)) (|v_ldv_malloc_#t~malloc12.base_48| (_ BitVec 32))) (or (bvule (bvadd |c_alloc_17_#in~array.offset| (_ bv4 32)) (select (store |c_#length| |v_ldv_malloc_#t~malloc12.base_48| v_ldv_malloc_~size_55) |c_alloc_17_#in~array.base|)) (not (= (select |c_#valid| |v_ldv_malloc_#t~malloc12.base_48|) (_ bv0 1))))) (or (forall ((v_prenex_7 (_ BitVec 32))) (not (= (select |c_#valid| v_prenex_7) (_ bv0 1)))) (bvule |c_alloc_17_#in~array.offset| (bvadd |c_alloc_17_#in~array.offset| (_ bv4 32))))) is different from false [2020-11-29 18:31:30,088 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ldv_malloc_~size_55 (_ BitVec 32)) (|v_ldv_malloc_#t~malloc12.base_48| (_ BitVec 32))) (or (bvule (bvadd c_entry_point_~array~0.offset (_ bv4 32)) (select (store |c_#length| |v_ldv_malloc_#t~malloc12.base_48| v_ldv_malloc_~size_55) c_entry_point_~array~0.base)) (not (= (select |c_#valid| |v_ldv_malloc_#t~malloc12.base_48|) (_ bv0 1))))) (or (forall ((v_prenex_7 (_ BitVec 32))) (not (= (_ bv0 1) (select |c_#valid| v_prenex_7)))) (bvule c_entry_point_~array~0.offset (bvadd c_entry_point_~array~0.offset (_ bv4 32))))) is different from false [2020-11-29 18:31:41,758 WARN L193 SmtUtils]: Spent 874.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-11-29 18:31:41,859 INFO L441 ElimStorePlain]: Different costs {1=[|v_#valid_262|], 2=[|v_#length_220|]} [2020-11-29 18:31:41,870 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2020-11-29 18:31:41,871 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:31:41,892 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:31:41,894 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-29 18:31:41,894 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-29 18:31:41,902 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:31:41,903 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 18:31:41,903 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:23, output treesize:5 [2020-11-29 18:31:44,587 INFO L441 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2020-11-29 18:31:44,610 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2020-11-29 18:31:44,611 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:31:44,646 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:31:44,650 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-29 18:31:44,651 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-29 18:31:44,675 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:31:44,677 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 18:31:44,677 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:33, output treesize:16 [2020-11-29 18:31:46,890 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 1 not checked. [2020-11-29 18:31:46,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [11228740] [2020-11-29 18:31:46,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:31:46,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 22 [2020-11-29 18:31:46,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152477786] [2020-11-29 18:31:46,892 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-11-29 18:31:46,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:31:46,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-11-29 18:31:46,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=292, Unknown=14, NotChecked=148, Total=506 [2020-11-29 18:31:46,894 INFO L87 Difference]: Start difference. First operand 155 states and 186 transitions. Second operand 23 states. [2020-11-29 18:32:10,784 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2020-11-29 18:32:53,711 WARN L193 SmtUtils]: Spent 4.22 s on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2020-11-29 18:33:12,941 WARN L193 SmtUtils]: Spent 4.15 s on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2020-11-29 18:33:24,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:33:24,560 INFO L93 Difference]: Finished difference Result 342 states and 392 transitions. [2020-11-29 18:33:24,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-11-29 18:33:24,561 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 56 [2020-11-29 18:33:24,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:33:24,563 INFO L225 Difference]: With dead ends: 342 [2020-11-29 18:33:24,563 INFO L226 Difference]: Without dead ends: 342 [2020-11-29 18:33:24,564 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 88 SyntacticMatches, 5 SemanticMatches, 35 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 74.6s TimeCoverageRelationStatistics Valid=153, Invalid=899, Unknown=20, NotChecked=260, Total=1332 [2020-11-29 18:33:24,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-11-29 18:33:24,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 177. [2020-11-29 18:33:24,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-11-29 18:33:24,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 220 transitions. [2020-11-29 18:33:24,575 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 220 transitions. Word has length 56 [2020-11-29 18:33:24,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:33:24,576 INFO L481 AbstractCegarLoop]: Abstraction has 177 states and 220 transitions. [2020-11-29 18:33:24,576 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-11-29 18:33:24,576 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 220 transitions. [2020-11-29 18:33:24,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-29 18:33:24,577 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:33:24,577 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:33:24,791 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2020-11-29 18:33:24,792 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 18:33:24,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:33:24,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1452186463, now seen corresponding path program 1 times [2020-11-29 18:33:24,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:33:24,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1299487760] [2020-11-29 18:33:24,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2020-11-29 18:33:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:33:25,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 18:33:25,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:33:25,061 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2020-11-29 18:33:25,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:33:25,112 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2020-11-29 18:33:25,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1299487760] [2020-11-29 18:33:25,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:33:25,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-29 18:33:25,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958706193] [2020-11-29 18:33:25,113 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 18:33:25,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:33:25,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 18:33:25,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 18:33:25,115 INFO L87 Difference]: Start difference. First operand 177 states and 220 transitions. Second operand 5 states. [2020-11-29 18:33:25,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:33:25,175 INFO L93 Difference]: Finished difference Result 200 states and 247 transitions. [2020-11-29 18:33:25,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 18:33:25,177 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-11-29 18:33:25,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:33:25,179 INFO L225 Difference]: With dead ends: 200 [2020-11-29 18:33:25,179 INFO L226 Difference]: Without dead ends: 200 [2020-11-29 18:33:25,180 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 18:33:25,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-11-29 18:33:25,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 183. [2020-11-29 18:33:25,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2020-11-29 18:33:25,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 223 transitions. [2020-11-29 18:33:25,190 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 223 transitions. Word has length 58 [2020-11-29 18:33:25,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:33:25,191 INFO L481 AbstractCegarLoop]: Abstraction has 183 states and 223 transitions. [2020-11-29 18:33:25,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 18:33:25,191 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 223 transitions. [2020-11-29 18:33:25,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-29 18:33:25,192 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:33:25,193 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:33:25,411 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3 [2020-11-29 18:33:25,411 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 18:33:25,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:33:25,412 INFO L82 PathProgramCache]: Analyzing trace with hash -1099970498, now seen corresponding path program 1 times [2020-11-29 18:33:25,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:33:25,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1438163998] [2020-11-29 18:33:25,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2020-11-29 18:33:25,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:33:25,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 18:33:25,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:33:25,741 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2020-11-29 18:33:25,741 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:33:25,793 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2020-11-29 18:33:25,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1438163998] [2020-11-29 18:33:25,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:33:25,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-29 18:33:25,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656982381] [2020-11-29 18:33:25,794 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 18:33:25,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:33:25,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 18:33:25,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 18:33:25,795 INFO L87 Difference]: Start difference. First operand 183 states and 223 transitions. Second operand 6 states. [2020-11-29 18:33:25,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:33:25,924 INFO L93 Difference]: Finished difference Result 192 states and 232 transitions. [2020-11-29 18:33:25,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 18:33:25,925 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2020-11-29 18:33:25,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:33:25,927 INFO L225 Difference]: With dead ends: 192 [2020-11-29 18:33:25,927 INFO L226 Difference]: Without dead ends: 192 [2020-11-29 18:33:25,928 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-29 18:33:25,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-11-29 18:33:25,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 185. [2020-11-29 18:33:25,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-11-29 18:33:25,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 225 transitions. [2020-11-29 18:33:25,936 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 225 transitions. Word has length 58 [2020-11-29 18:33:25,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:33:25,937 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 225 transitions. [2020-11-29 18:33:25,937 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 18:33:25,937 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 225 transitions. [2020-11-29 18:33:25,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-29 18:33:25,938 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:33:25,938 INFO L422 BasicCegarLoop]: trace histogram [15, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:33:26,138 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3 [2020-11-29 18:33:26,139 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 18:33:26,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:33:26,139 INFO L82 PathProgramCache]: Analyzing trace with hash 612578384, now seen corresponding path program 3 times [2020-11-29 18:33:26,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:33:26,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [741686682] [2020-11-29 18:33:26,140 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/mathsat Starting monitored process 16 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with mathsat -unsat_core_generation=3 [2020-11-29 18:33:26,729 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2020-11-29 18:33:26,729 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-29 18:33:26,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 29 conjunts are in the unsatisfiable core [2020-11-29 18:33:26,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:33:26,762 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-29 18:33:26,762 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:33:26,770 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:33:26,770 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 18:33:26,771 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-11-29 18:33:27,384 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 41 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:33:27,384 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:33:28,124 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-11-29 18:33:30,542 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 22 [2020-11-29 18:33:30,921 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-11-29 18:33:30,922 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 18:33:33,739 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 18:33:36,333 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-11-29 18:33:36,335 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 18:33:39,226 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-11-29 18:33:39,228 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 18:33:42,262 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 18:33:45,366 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 18:33:49,352 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-11-29 18:33:50,180 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-11-29 18:33:53,576 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 18:33:54,467 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-11-29 18:33:55,672 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:33:55,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [741686682] [2020-11-29 18:33:55,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:33:55,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 29] total 49 [2020-11-29 18:33:55,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242476773] [2020-11-29 18:33:55,673 INFO L461 AbstractCegarLoop]: Interpolant automaton has 49 states [2020-11-29 18:33:55,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:33:55,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2020-11-29 18:33:55,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=436, Invalid=1913, Unknown=3, NotChecked=0, Total=2352 [2020-11-29 18:33:55,675 INFO L87 Difference]: Start difference. First operand 185 states and 225 transitions. Second operand 49 states. [2020-11-29 18:34:05,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:34:05,105 INFO L93 Difference]: Finished difference Result 171 states and 206 transitions. [2020-11-29 18:34:05,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-11-29 18:34:05,108 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 58 [2020-11-29 18:34:05,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:34:05,109 INFO L225 Difference]: With dead ends: 171 [2020-11-29 18:34:05,110 INFO L226 Difference]: Without dead ends: 171 [2020-11-29 18:34:05,111 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 65 SyntacticMatches, 3 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 4 DeprecatedPredicates, 944 ImplicationChecksByTransitivity, 30.0s TimeCoverageRelationStatistics Valid=775, Invalid=3128, Unknown=3, NotChecked=0, Total=3906 [2020-11-29 18:34:05,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-11-29 18:34:05,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2020-11-29 18:34:05,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2020-11-29 18:34:05,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 206 transitions. [2020-11-29 18:34:05,121 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 206 transitions. Word has length 58 [2020-11-29 18:34:05,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:34:05,122 INFO L481 AbstractCegarLoop]: Abstraction has 171 states and 206 transitions. [2020-11-29 18:34:05,122 INFO L482 AbstractCegarLoop]: Interpolant automaton has 49 states. [2020-11-29 18:34:05,122 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 206 transitions. [2020-11-29 18:34:05,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-29 18:34:05,123 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:34:05,124 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:34:05,337 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3 [2020-11-29 18:34:05,337 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 18:34:05,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:34:05,338 INFO L82 PathProgramCache]: Analyzing trace with hash -1452868472, now seen corresponding path program 1 times [2020-11-29 18:34:05,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:34:05,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [168588699] [2020-11-29 18:34:05,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/mathsat Starting monitored process 17 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with mathsat -unsat_core_generation=3 [2020-11-29 18:34:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:34:05,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 13 conjunts are in the unsatisfiable core [2020-11-29 18:34:05,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:34:05,657 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-29 18:34:05,657 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:34:05,659 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:34:05,659 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 18:34:05,659 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-11-29 18:34:05,716 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-11-29 18:34:05,716 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:34:05,825 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_6| (Array (_ BitVec 32) (_ BitVec 1))) (v_entry_point_~array~0.base_BEFORE_CALL_5 (_ BitVec 32))) (or (= (_ bv1 1) (select |c_#valid| v_entry_point_~array~0.base_BEFORE_CALL_5)) (exists ((v_prenex_13 (_ BitVec 32))) (and (= (bvadd (select |v_old(#valid)_BEFORE_CALL_6| v_prenex_13) (_ bv1 1)) (_ bv0 1)) (not (= (bvadd (select |c_old(#valid)| v_prenex_13) (_ bv1 1)) (_ bv0 1))))) (not (= (bvadd (select |v_old(#valid)_BEFORE_CALL_6| v_entry_point_~array~0.base_BEFORE_CALL_5) (_ bv1 1)) (_ bv0 1))))) is different from false [2020-11-29 18:34:05,936 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 2 not checked. [2020-11-29 18:34:05,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [168588699] [2020-11-29 18:34:05,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:34:05,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 9 [2020-11-29 18:34:05,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484980110] [2020-11-29 18:34:05,937 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-29 18:34:05,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:34:05,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-29 18:34:05,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=57, Unknown=1, NotChecked=14, Total=90 [2020-11-29 18:34:05,938 INFO L87 Difference]: Start difference. First operand 171 states and 206 transitions. Second operand 10 states. [2020-11-29 18:34:08,151 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_6| (Array (_ BitVec 32) (_ BitVec 1))) (v_entry_point_~array~0.base_BEFORE_CALL_5 (_ BitVec 32))) (or (= (_ bv1 1) (select |c_#valid| v_entry_point_~array~0.base_BEFORE_CALL_5)) (exists ((v_prenex_13 (_ BitVec 32))) (and (= (bvadd (select |v_old(#valid)_BEFORE_CALL_6| v_prenex_13) (_ bv1 1)) (_ bv0 1)) (not (= (bvadd (select |c_old(#valid)| v_prenex_13) (_ bv1 1)) (_ bv0 1))))) (not (= (bvadd (select |v_old(#valid)_BEFORE_CALL_6| v_entry_point_~array~0.base_BEFORE_CALL_5) (_ bv1 1)) (_ bv0 1))))) (= |c_old(#valid)| |c_#valid|)) is different from false [2020-11-29 18:34:08,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:34:08,455 INFO L93 Difference]: Finished difference Result 204 states and 236 transitions. [2020-11-29 18:34:08,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-29 18:34:08,456 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 65 [2020-11-29 18:34:08,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:34:08,457 INFO L225 Difference]: With dead ends: 204 [2020-11-29 18:34:08,458 INFO L226 Difference]: Without dead ends: 204 [2020-11-29 18:34:08,458 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 121 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=166, Unknown=2, NotChecked=54, Total=272 [2020-11-29 18:34:08,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2020-11-29 18:34:08,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 178. [2020-11-29 18:34:08,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-11-29 18:34:08,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 213 transitions. [2020-11-29 18:34:08,465 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 213 transitions. Word has length 65 [2020-11-29 18:34:08,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:34:08,465 INFO L481 AbstractCegarLoop]: Abstraction has 178 states and 213 transitions. [2020-11-29 18:34:08,465 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-29 18:34:08,466 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 213 transitions. [2020-11-29 18:34:08,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-29 18:34:08,466 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:34:08,467 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:34:08,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 mathsat -unsat_core_generation=3 [2020-11-29 18:34:08,680 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 18:34:08,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:34:08,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1452868471, now seen corresponding path program 1 times [2020-11-29 18:34:08,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:34:08,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1123970626] [2020-11-29 18:34:08,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/mathsat Starting monitored process 18 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with mathsat -unsat_core_generation=3 [2020-11-29 18:34:08,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:34:08,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 21 conjunts are in the unsatisfiable core [2020-11-29 18:34:08,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:34:08,937 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-29 18:34:08,937 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:34:08,943 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:34:08,943 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 18:34:08,943 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-11-29 18:34:09,045 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-11-29 18:34:09,045 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:34:09,375 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 18:34:09,484 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_entry_point_~array~0.base_BEFORE_CALL_8 (_ BitVec 32)) (|v_old(#length)_BEFORE_CALL_2| (Array (_ BitVec 32) (_ BitVec 32))) (v_entry_point_~array~0.offset_BEFORE_CALL_4 (_ BitVec 32))) (let ((.cse0 (bvadd v_entry_point_~array~0.offset_BEFORE_CALL_4 (_ bv4 32)))) (or (not (bvule v_entry_point_~array~0.offset_BEFORE_CALL_4 .cse0)) (not (bvule .cse0 (select |v_old(#length)_BEFORE_CALL_2| v_entry_point_~array~0.base_BEFORE_CALL_8))) (bvule .cse0 (select |c_#length| v_entry_point_~array~0.base_BEFORE_CALL_8)) (exists ((v_prenex_15 (_ BitVec 32)) (v_prenex_14 (_ BitVec 32))) (let ((.cse1 (bvadd v_prenex_15 (_ bv4 32)))) (and (bvule .cse1 (select |v_old(#length)_BEFORE_CALL_2| v_prenex_14)) (not (bvule .cse1 (select |c_old(#length)| v_prenex_14))) (bvule v_prenex_15 .cse1))))))) is different from false [2020-11-29 18:34:10,183 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 3 not checked. [2020-11-29 18:34:10,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1123970626] [2020-11-29 18:34:10,184 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:34:10,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 18 [2020-11-29 18:34:10,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948928115] [2020-11-29 18:34:10,185 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-29 18:34:10,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:34:10,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-29 18:34:10,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=266, Unknown=1, NotChecked=32, Total=342 [2020-11-29 18:34:10,186 INFO L87 Difference]: Start difference. First operand 178 states and 213 transitions. Second operand 19 states. [2020-11-29 18:34:10,791 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_#length| |c_old(#length)|) (forall ((v_entry_point_~array~0.base_BEFORE_CALL_8 (_ BitVec 32)) (|v_old(#length)_BEFORE_CALL_2| (Array (_ BitVec 32) (_ BitVec 32))) (v_entry_point_~array~0.offset_BEFORE_CALL_4 (_ BitVec 32))) (let ((.cse0 (bvadd v_entry_point_~array~0.offset_BEFORE_CALL_4 (_ bv4 32)))) (or (not (bvule v_entry_point_~array~0.offset_BEFORE_CALL_4 .cse0)) (not (bvule .cse0 (select |v_old(#length)_BEFORE_CALL_2| v_entry_point_~array~0.base_BEFORE_CALL_8))) (bvule .cse0 (select |c_#length| v_entry_point_~array~0.base_BEFORE_CALL_8)) (exists ((v_prenex_15 (_ BitVec 32)) (v_prenex_14 (_ BitVec 32))) (let ((.cse1 (bvadd v_prenex_15 (_ bv4 32)))) (and (bvule .cse1 (select |v_old(#length)_BEFORE_CALL_2| v_prenex_14)) (not (bvule .cse1 (select |c_old(#length)| v_prenex_14))) (bvule v_prenex_15 .cse1)))))))) is different from false [2020-11-29 18:34:10,836 WARN L838 $PredicateComparison]: unable to prove that (and (= c_ldv_malloc_~size |c_ldv_malloc_#in~size|) (= |c_#length| |c_old(#length)|) (forall ((v_entry_point_~array~0.base_BEFORE_CALL_8 (_ BitVec 32)) (|v_old(#length)_BEFORE_CALL_2| (Array (_ BitVec 32) (_ BitVec 32))) (v_entry_point_~array~0.offset_BEFORE_CALL_4 (_ BitVec 32))) (let ((.cse0 (bvadd v_entry_point_~array~0.offset_BEFORE_CALL_4 (_ bv4 32)))) (or (not (bvule v_entry_point_~array~0.offset_BEFORE_CALL_4 .cse0)) (not (bvule .cse0 (select |v_old(#length)_BEFORE_CALL_2| v_entry_point_~array~0.base_BEFORE_CALL_8))) (bvule .cse0 (select |c_#length| v_entry_point_~array~0.base_BEFORE_CALL_8)) (exists ((v_prenex_15 (_ BitVec 32)) (v_prenex_14 (_ BitVec 32))) (let ((.cse1 (bvadd v_prenex_15 (_ bv4 32)))) (and (bvule .cse1 (select |v_old(#length)_BEFORE_CALL_2| v_prenex_14)) (not (bvule .cse1 (select |c_old(#length)| v_prenex_14))) (bvule v_prenex_15 .cse1)))))))) is different from false [2020-11-29 18:34:13,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:34:13,357 INFO L93 Difference]: Finished difference Result 235 states and 273 transitions. [2020-11-29 18:34:13,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-29 18:34:13,359 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 65 [2020-11-29 18:34:13,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:34:13,361 INFO L225 Difference]: With dead ends: 235 [2020-11-29 18:34:13,361 INFO L226 Difference]: Without dead ends: 235 [2020-11-29 18:34:13,362 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 111 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=108, Invalid=603, Unknown=3, NotChecked=156, Total=870 [2020-11-29 18:34:13,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2020-11-29 18:34:13,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 207. [2020-11-29 18:34:13,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-11-29 18:34:13,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 260 transitions. [2020-11-29 18:34:13,375 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 260 transitions. Word has length 65 [2020-11-29 18:34:13,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:34:13,375 INFO L481 AbstractCegarLoop]: Abstraction has 207 states and 260 transitions. [2020-11-29 18:34:13,375 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-29 18:34:13,375 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 260 transitions. [2020-11-29 18:34:13,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-29 18:34:13,377 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:34:13,377 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:34:13,595 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 mathsat -unsat_core_generation=3 [2020-11-29 18:34:13,596 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 18:34:13,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:34:13,596 INFO L82 PathProgramCache]: Analyzing trace with hash -1258960697, now seen corresponding path program 1 times [2020-11-29 18:34:13,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:34:13,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1260659958] [2020-11-29 18:34:13,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/mathsat Starting monitored process 19 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with mathsat -unsat_core_generation=3 [2020-11-29 18:34:13,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:34:13,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-29 18:34:13,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:34:13,942 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2020-11-29 18:34:13,943 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:34:14,080 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2020-11-29 18:34:14,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1260659958] [2020-11-29 18:34:14,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:34:14,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2020-11-29 18:34:14,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312455849] [2020-11-29 18:34:14,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-29 18:34:14,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:34:14,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-29 18:34:14,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-29 18:34:14,083 INFO L87 Difference]: Start difference. First operand 207 states and 260 transitions. Second operand 9 states. [2020-11-29 18:34:14,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:34:14,280 INFO L93 Difference]: Finished difference Result 255 states and 315 transitions. [2020-11-29 18:34:14,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 18:34:14,282 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 66 [2020-11-29 18:34:14,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:34:14,284 INFO L225 Difference]: With dead ends: 255 [2020-11-29 18:34:14,284 INFO L226 Difference]: Without dead ends: 249 [2020-11-29 18:34:14,284 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-11-29 18:34:14,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-11-29 18:34:14,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 207. [2020-11-29 18:34:14,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-11-29 18:34:14,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 258 transitions. [2020-11-29 18:34:14,298 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 258 transitions. Word has length 66 [2020-11-29 18:34:14,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:34:14,299 INFO L481 AbstractCegarLoop]: Abstraction has 207 states and 258 transitions. [2020-11-29 18:34:14,299 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-29 18:34:14,299 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 258 transitions. [2020-11-29 18:34:14,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-29 18:34:14,300 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:34:14,300 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:34:14,519 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 mathsat -unsat_core_generation=3 [2020-11-29 18:34:14,520 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 18:34:14,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:34:14,520 INFO L82 PathProgramCache]: Analyzing trace with hash -2089249284, now seen corresponding path program 1 times [2020-11-29 18:34:14,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:34:14,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [658984508] [2020-11-29 18:34:14,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/mathsat Starting monitored process 20 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with mathsat -unsat_core_generation=3 [2020-11-29 18:34:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:34:14,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 29 conjunts are in the unsatisfiable core [2020-11-29 18:34:14,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:34:14,839 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-11-29 18:34:14,839 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:34:14,846 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:34:14,846 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 18:34:14,846 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:15 [2020-11-29 18:34:14,907 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:34:14,907 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 46 [2020-11-29 18:34:14,908 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:34:14,934 INFO L625 ElimStorePlain]: treesize reduction 24, result has 50.0 percent of original size [2020-11-29 18:34:14,935 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 18:34:14,935 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2020-11-29 18:34:27,226 WARN L193 SmtUtils]: Spent 12.24 s on a formula simplification. DAG size of input: 32 DAG size of output: 27 [2020-11-29 18:34:27,227 INFO L350 Elim1Store]: treesize reduction 39, result has 59.4 percent of original size [2020-11-29 18:34:27,227 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 74 [2020-11-29 18:34:27,228 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:34:27,275 INFO L625 ElimStorePlain]: treesize reduction 46, result has 43.9 percent of original size [2020-11-29 18:34:27,275 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 18:34:27,276 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:40, output treesize:36 [2020-11-29 18:34:51,763 WARN L193 SmtUtils]: Spent 24.42 s on a formula simplification. DAG size of input: 50 DAG size of output: 36 [2020-11-29 18:34:51,764 INFO L350 Elim1Store]: treesize reduction 96, result has 46.1 percent of original size [2020-11-29 18:34:51,764 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 102 [2020-11-29 18:34:51,764 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:34:51,823 INFO L625 ElimStorePlain]: treesize reduction 24, result has 66.7 percent of original size [2020-11-29 18:34:51,823 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 18:34:51,823 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:52, output treesize:48 [2020-11-29 18:35:28,561 WARN L193 SmtUtils]: Spent 36.60 s on a formula simplification. DAG size of input: 72 DAG size of output: 45 [2020-11-29 18:35:28,561 INFO L350 Elim1Store]: treesize reduction 171, result has 38.5 percent of original size [2020-11-29 18:35:28,562 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 59 treesize of output 130 [2020-11-29 18:35:28,563 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:35:28,684 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2020-11-29 18:35:28,684 INFO L625 ElimStorePlain]: treesize reduction 90, result has 40.0 percent of original size [2020-11-29 18:35:28,684 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 18:35:28,684 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:64, output treesize:60 [2020-11-29 18:36:17,686 WARN L193 SmtUtils]: Spent 48.78 s on a formula simplification. DAG size of input: 98 DAG size of output: 54 [2020-11-29 18:36:17,687 INFO L350 Elim1Store]: treesize reduction 264, result has 33.3 percent of original size [2020-11-29 18:36:17,695 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 71 treesize of output 158 [2020-11-29 18:36:17,696 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:36:17,817 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2020-11-29 18:36:17,817 INFO L625 ElimStorePlain]: treesize reduction 46, result has 60.3 percent of original size [2020-11-29 18:36:17,817 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 18:36:17,818 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:74, output treesize:70 [2020-11-29 18:37:19,000 WARN L193 SmtUtils]: Spent 1.02 m on a formula simplification. DAG size of input: 128 DAG size of output: 63 [2020-11-29 18:37:19,001 INFO L350 Elim1Store]: treesize reduction 375, result has 29.5 percent of original size [2020-11-29 18:37:19,001 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 83 treesize of output 186 [2020-11-29 18:37:19,002 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:37:19,187 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 36 [2020-11-29 18:37:19,188 INFO L625 ElimStorePlain]: treesize reduction 112, result has 42.3 percent of original size [2020-11-29 18:37:19,188 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 18:37:19,188 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:82 [2020-11-29 18:38:32,804 WARN L193 SmtUtils]: Spent 1.22 m on a formula simplification. DAG size of input: 162 DAG size of output: 72 [2020-11-29 18:38:32,805 INFO L350 Elim1Store]: treesize reduction 504, result has 26.5 percent of original size [2020-11-29 18:38:32,805 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 95 treesize of output 214 [2020-11-29 18:38:32,806 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:38:32,998 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2020-11-29 18:38:32,999 INFO L625 ElimStorePlain]: treesize reduction 90, result has 51.6 percent of original size [2020-11-29 18:38:32,999 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 18:38:32,999 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:96 [2020-11-29 18:39:58,567 WARN L193 SmtUtils]: Spent 1.42 m on a formula simplification. DAG size of input: 200 DAG size of output: 81 [2020-11-29 18:39:58,568 INFO L350 Elim1Store]: treesize reduction 651, result has 24.1 percent of original size [2020-11-29 18:39:58,568 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 107 treesize of output 242 [2020-11-29 18:39:58,570 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:39:58,831 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 44 [2020-11-29 18:39:58,832 INFO L625 ElimStorePlain]: treesize reduction 112, result has 48.6 percent of original size [2020-11-29 18:39:58,832 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 18:39:58,832 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:110, output treesize:106 [2020-11-29 18:39:59,723 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 48 [2020-11-29 18:39:59,723 INFO L350 Elim1Store]: treesize reduction 644, result has 11.0 percent of original size [2020-11-29 18:39:59,724 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 93 treesize of output 116 [2020-11-29 18:39:59,725 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:39:59,790 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:39:59,790 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 18:39:59,790 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:93, output treesize:89 [2020-11-29 18:40:01,188 INFO L350 Elim1Store]: treesize reduction 522, result has 0.2 percent of original size [2020-11-29 18:40:01,188 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 96 treesize of output 34 [2020-11-29 18:40:01,196 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:40:01,198 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:40:01,199 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-29 18:40:01,199 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:96, output treesize:3 [2020-11-29 18:40:01,371 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:40:01,371 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 18:40:03,112 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_entry_point_~i~2_173 (_ BitVec 32))) (or (= (_ bv0 32) (select (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset (bvmul v_entry_point_~i~2_173 (_ bv4 32))) (_ bv0 32)) c_entry_point_~array~0.offset)) (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_173)))) is different from false [2020-11-29 18:40:04,282 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_entry_point_~i~2_174 (_ BitVec 32))) (or (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_174)) (= (select (let ((.cse0 (bvmul v_entry_point_~i~2_174 (_ bv4 32)))) (store (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset .cse0) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse0 (_ bv4 32)) (_ bv0 32))) c_entry_point_~array~0.offset) (_ bv0 32)))) is different from false [2020-11-29 18:40:05,460 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_entry_point_~i~2_175 (_ BitVec 32))) (or (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_175)) (= (select (let ((.cse0 (bvmul v_entry_point_~i~2_175 (_ bv4 32)))) (store (store (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset .cse0) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse0 (_ bv4 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse0 (_ bv8 32)) (_ bv0 32))) c_entry_point_~array~0.offset) (_ bv0 32)))) is different from false [2020-11-29 18:40:07,283 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_entry_point_~i~2_177 (_ BitVec 32))) (or (= (select (let ((.cse0 (bvmul v_entry_point_~i~2_177 (_ bv4 32)))) (store (store (store (store (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset .cse0) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse0 (_ bv4 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse0 (_ bv8 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse0 (_ bv12 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse0 (_ bv16 32)) (_ bv0 32))) c_entry_point_~array~0.offset) (_ bv0 32)) (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_177)))) is different from false [2020-11-29 18:40:37,808 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 36 [2020-11-29 18:40:41,524 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 84 [2020-11-29 18:40:41,549 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 193 treesize of output 191 [2020-11-29 18:40:41,551 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-29 18:40:41,672 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 41 [2020-11-29 18:40:41,673 INFO L625 ElimStorePlain]: treesize reduction 97, result has 45.2 percent of original size [2020-11-29 18:40:41,673 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 18:40:41,707 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:40:41,708 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 18:40:41,708 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:86, output treesize:80 [2020-11-29 18:40:42,265 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 94 proven. 19 refuted. 2 times theorem prover too weak. 4 trivial. 30 not checked. [2020-11-29 18:40:42,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [658984508] [2020-11-29 18:40:42,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 18:40:42,265 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 48 [2020-11-29 18:40:42,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258796141] [2020-11-29 18:40:42,266 INFO L461 AbstractCegarLoop]: Interpolant automaton has 49 states [2020-11-29 18:40:42,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 18:40:42,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2020-11-29 18:40:42,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=472, Invalid=1511, Unknown=13, NotChecked=356, Total=2352 [2020-11-29 18:40:42,267 INFO L87 Difference]: Start difference. First operand 207 states and 258 transitions. Second operand 49 states. [2020-11-29 18:40:44,684 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_entry_point_~i~2_175 (_ BitVec 32))) (or (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_175)) (= (select (let ((.cse0 (bvmul v_entry_point_~i~2_175 (_ bv4 32)))) (store (store (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset .cse0) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse0 (_ bv4 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse0 (_ bv8 32)) (_ bv0 32))) c_entry_point_~array~0.offset) (_ bv0 32)))) (forall ((v_entry_point_~array~0.base_BEFORE_CALL_11 (_ BitVec 32)) (v_entry_point_~array~0.offset_BEFORE_CALL_7 (_ BitVec 32))) (or (= (select (select |c_#memory_$Pointer$.offset| v_entry_point_~array~0.base_BEFORE_CALL_11) v_entry_point_~array~0.offset_BEFORE_CALL_7) (_ bv0 32)) (not (= (select (select |c_old(#memory_$Pointer$.offset)| v_entry_point_~array~0.base_BEFORE_CALL_11) v_entry_point_~array~0.offset_BEFORE_CALL_7) (_ bv0 32))))) (forall ((v_entry_point_~i~2_173 (_ BitVec 32))) (or (= (_ bv0 32) (select (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset (bvmul v_entry_point_~i~2_173 (_ bv4 32))) (_ bv0 32)) c_entry_point_~array~0.offset)) (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_173)))) (forall ((v_entry_point_~i~2_177 (_ BitVec 32))) (or (= (select (let ((.cse1 (bvmul v_entry_point_~i~2_177 (_ bv4 32)))) (store (store (store (store (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset .cse1) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse1 (_ bv4 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse1 (_ bv8 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse1 (_ bv12 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse1 (_ bv16 32)) (_ bv0 32))) c_entry_point_~array~0.offset) (_ bv0 32)) (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_177)))) (= c_entry_point_~i~2 (_ bv0 32)) (forall ((v_entry_point_~i~2_174 (_ BitVec 32))) (or (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_174)) (= (select (let ((.cse2 (bvmul v_entry_point_~i~2_174 (_ bv4 32)))) (store (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset .cse2) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse2 (_ bv4 32)) (_ bv0 32))) c_entry_point_~array~0.offset) (_ bv0 32)))) (= (select (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset (bvmul c_entry_point_~i~2 (_ bv4 32)))) (_ bv0 32))) is different from false [2020-11-29 18:40:46,598 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base))) (and (forall ((v_entry_point_~i~2_175 (_ BitVec 32))) (or (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_175)) (= (select (let ((.cse0 (bvmul v_entry_point_~i~2_175 (_ bv4 32)))) (store (store (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset .cse0) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse0 (_ bv4 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse0 (_ bv8 32)) (_ bv0 32))) c_entry_point_~array~0.offset) (_ bv0 32)))) (forall ((v_entry_point_~i~2_173 (_ BitVec 32))) (or (= (_ bv0 32) (select (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset (bvmul v_entry_point_~i~2_173 (_ bv4 32))) (_ bv0 32)) c_entry_point_~array~0.offset)) (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_173)))) (forall ((v_entry_point_~i~2_177 (_ BitVec 32))) (or (= (select (let ((.cse1 (bvmul v_entry_point_~i~2_177 (_ bv4 32)))) (store (store (store (store (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset .cse1) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse1 (_ bv4 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse1 (_ bv8 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse1 (_ bv12 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse1 (_ bv16 32)) (_ bv0 32))) c_entry_point_~array~0.offset) (_ bv0 32)) (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_177)))) (= (_ bv0 32) (select .cse2 c_entry_point_~array~0.offset)) (forall ((v_entry_point_~i~2_174 (_ BitVec 32))) (or (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_174)) (= (select (let ((.cse3 (bvmul v_entry_point_~i~2_174 (_ bv4 32)))) (store (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset .cse3) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse3 (_ bv4 32)) (_ bv0 32))) c_entry_point_~array~0.offset) (_ bv0 32)))) (= (select .cse2 (bvadd c_entry_point_~array~0.offset (bvmul c_entry_point_~i~2 (_ bv4 32)))) (_ bv0 32)) (= (bvadd c_entry_point_~i~2 (_ bv4294967295 32)) (_ bv0 32)))) is different from false [2020-11-29 18:40:48,623 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base)) (.cse4 (bvmul c_entry_point_~i~2 (_ bv4 32)))) (and (forall ((v_entry_point_~i~2_175 (_ BitVec 32))) (or (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_175)) (= (select (let ((.cse0 (bvmul v_entry_point_~i~2_175 (_ bv4 32)))) (store (store (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset .cse0) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse0 (_ bv4 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse0 (_ bv8 32)) (_ bv0 32))) c_entry_point_~array~0.offset) (_ bv0 32)))) (forall ((v_entry_point_~i~2_173 (_ BitVec 32))) (or (= (_ bv0 32) (select (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset (bvmul v_entry_point_~i~2_173 (_ bv4 32))) (_ bv0 32)) c_entry_point_~array~0.offset)) (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_173)))) (forall ((v_entry_point_~i~2_177 (_ BitVec 32))) (or (= (select (let ((.cse1 (bvmul v_entry_point_~i~2_177 (_ bv4 32)))) (store (store (store (store (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset .cse1) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse1 (_ bv4 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse1 (_ bv8 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse1 (_ bv12 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse1 (_ bv16 32)) (_ bv0 32))) c_entry_point_~array~0.offset) (_ bv0 32)) (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_177)))) (= (bvadd c_entry_point_~i~2 (_ bv4294967294 32)) (_ bv0 32)) (= (_ bv0 32) (select .cse2 c_entry_point_~array~0.offset)) (forall ((v_entry_point_~i~2_174 (_ BitVec 32))) (or (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_174)) (= (select (let ((.cse3 (bvmul v_entry_point_~i~2_174 (_ bv4 32)))) (store (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset .cse3) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse3 (_ bv4 32)) (_ bv0 32))) c_entry_point_~array~0.offset) (_ bv0 32)))) (= (select .cse2 (bvadd c_entry_point_~array~0.offset .cse4)) (_ bv0 32)) (= (select .cse2 (bvadd c_entry_point_~array~0.offset .cse4 (_ bv4294967292 32))) (_ bv0 32)))) is different from false [2020-11-29 18:40:52,867 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base)) (.cse1 (bvmul c_entry_point_~i~2 (_ bv4 32)))) (and (= (_ bv0 32) (select .cse0 (bvadd c_entry_point_~array~0.offset .cse1 (_ bv4294967288 32)))) (= (bvadd c_entry_point_~i~2 (_ bv4294967293 32)) (_ bv0 32)) (forall ((v_entry_point_~i~2_175 (_ BitVec 32))) (or (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_175)) (= (select (let ((.cse2 (bvmul v_entry_point_~i~2_175 (_ bv4 32)))) (store (store (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset .cse2) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse2 (_ bv4 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse2 (_ bv8 32)) (_ bv0 32))) c_entry_point_~array~0.offset) (_ bv0 32)))) (forall ((v_entry_point_~i~2_173 (_ BitVec 32))) (or (= (_ bv0 32) (select (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset (bvmul v_entry_point_~i~2_173 (_ bv4 32))) (_ bv0 32)) c_entry_point_~array~0.offset)) (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_173)))) (forall ((v_entry_point_~i~2_177 (_ BitVec 32))) (or (= (select (let ((.cse3 (bvmul v_entry_point_~i~2_177 (_ bv4 32)))) (store (store (store (store (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset .cse3) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse3 (_ bv4 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse3 (_ bv8 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse3 (_ bv12 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse3 (_ bv16 32)) (_ bv0 32))) c_entry_point_~array~0.offset) (_ bv0 32)) (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_177)))) (= (_ bv0 32) (select .cse0 c_entry_point_~array~0.offset)) (forall ((v_entry_point_~i~2_174 (_ BitVec 32))) (or (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_174)) (= (select (let ((.cse4 (bvmul v_entry_point_~i~2_174 (_ bv4 32)))) (store (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset .cse4) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse4 (_ bv4 32)) (_ bv0 32))) c_entry_point_~array~0.offset) (_ bv0 32)))) (= (select .cse0 (bvadd c_entry_point_~array~0.offset .cse1)) (_ bv0 32)) (= (select .cse0 (bvadd c_entry_point_~array~0.offset .cse1 (_ bv4294967292 32))) (_ bv0 32)))) is different from false [2020-11-29 18:40:57,181 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base)) (.cse1 (bvmul c_entry_point_~i~2 (_ bv4 32)))) (and (= (_ bv0 32) (select .cse0 (bvadd c_entry_point_~array~0.offset .cse1 (_ bv4294967288 32)))) (forall ((v_entry_point_~i~2_175 (_ BitVec 32))) (or (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_175)) (= (select (let ((.cse2 (bvmul v_entry_point_~i~2_175 (_ bv4 32)))) (store (store (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset .cse2) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse2 (_ bv4 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse2 (_ bv8 32)) (_ bv0 32))) c_entry_point_~array~0.offset) (_ bv0 32)))) (= (bvadd c_entry_point_~i~2 (_ bv4294967292 32)) (_ bv0 32)) (= (_ bv0 32) (select .cse0 (bvadd c_entry_point_~array~0.offset .cse1 (_ bv4294967284 32)))) (forall ((v_entry_point_~i~2_173 (_ BitVec 32))) (or (= (_ bv0 32) (select (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset (bvmul v_entry_point_~i~2_173 (_ bv4 32))) (_ bv0 32)) c_entry_point_~array~0.offset)) (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_173)))) (forall ((v_entry_point_~i~2_177 (_ BitVec 32))) (or (= (select (let ((.cse3 (bvmul v_entry_point_~i~2_177 (_ bv4 32)))) (store (store (store (store (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset .cse3) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse3 (_ bv4 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse3 (_ bv8 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse3 (_ bv12 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse3 (_ bv16 32)) (_ bv0 32))) c_entry_point_~array~0.offset) (_ bv0 32)) (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_177)))) (= (_ bv0 32) (select .cse0 c_entry_point_~array~0.offset)) (forall ((v_entry_point_~i~2_174 (_ BitVec 32))) (or (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_174)) (= (select (let ((.cse4 (bvmul v_entry_point_~i~2_174 (_ bv4 32)))) (store (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset .cse4) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse4 (_ bv4 32)) (_ bv0 32))) c_entry_point_~array~0.offset) (_ bv0 32)))) (= (select .cse0 (bvadd c_entry_point_~array~0.offset .cse1)) (_ bv0 32)) (= (select .cse0 (bvadd c_entry_point_~array~0.offset .cse1 (_ bv4294967292 32))) (_ bv0 32)))) is different from false [2020-11-29 18:41:01,478 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base)) (.cse1 (bvmul c_entry_point_~i~2 (_ bv4 32)))) (and (= (_ bv0 32) (select .cse0 (bvadd c_entry_point_~array~0.offset .cse1 (_ bv4294967288 32)))) (forall ((v_entry_point_~i~2_175 (_ BitVec 32))) (or (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_175)) (= (select (let ((.cse2 (bvmul v_entry_point_~i~2_175 (_ bv4 32)))) (store (store (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset .cse2) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse2 (_ bv4 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse2 (_ bv8 32)) (_ bv0 32))) c_entry_point_~array~0.offset) (_ bv0 32)))) (= (_ bv0 32) (select .cse0 (bvadd c_entry_point_~array~0.offset .cse1 (_ bv4294967280 32)))) (= (_ bv0 32) (select .cse0 (bvadd c_entry_point_~array~0.offset .cse1 (_ bv4294967284 32)))) (forall ((v_entry_point_~i~2_173 (_ BitVec 32))) (or (= (_ bv0 32) (select (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset (bvmul v_entry_point_~i~2_173 (_ bv4 32))) (_ bv0 32)) c_entry_point_~array~0.offset)) (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_173)))) (forall ((v_entry_point_~i~2_177 (_ BitVec 32))) (or (= (select (let ((.cse3 (bvmul v_entry_point_~i~2_177 (_ bv4 32)))) (store (store (store (store (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset .cse3) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse3 (_ bv4 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse3 (_ bv8 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse3 (_ bv12 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse3 (_ bv16 32)) (_ bv0 32))) c_entry_point_~array~0.offset) (_ bv0 32)) (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_177)))) (= (_ bv0 32) (select .cse0 c_entry_point_~array~0.offset)) (forall ((v_entry_point_~i~2_174 (_ BitVec 32))) (or (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_174)) (= (select (let ((.cse4 (bvmul v_entry_point_~i~2_174 (_ bv4 32)))) (store (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset .cse4) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse4 (_ bv4 32)) (_ bv0 32))) c_entry_point_~array~0.offset) (_ bv0 32)))) (= (select .cse0 (bvadd c_entry_point_~array~0.offset .cse1)) (_ bv0 32)) (= (bvadd c_entry_point_~i~2 (_ bv4294967291 32)) (_ bv0 32)) (= (select .cse0 (bvadd c_entry_point_~array~0.offset .cse1 (_ bv4294967292 32))) (_ bv0 32)))) is different from false [2020-11-29 18:41:05,818 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base)) (.cse1 (bvmul c_entry_point_~i~2 (_ bv4 32)))) (and (= (_ bv0 32) (select .cse0 (bvadd c_entry_point_~array~0.offset .cse1 (_ bv4294967288 32)))) (forall ((v_entry_point_~i~2_175 (_ BitVec 32))) (or (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_175)) (= (select (let ((.cse2 (bvmul v_entry_point_~i~2_175 (_ bv4 32)))) (store (store (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset .cse2) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse2 (_ bv4 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse2 (_ bv8 32)) (_ bv0 32))) c_entry_point_~array~0.offset) (_ bv0 32)))) (= (_ bv0 32) (select .cse0 (bvadd c_entry_point_~array~0.offset .cse1 (_ bv4294967280 32)))) (= (_ bv0 32) (select .cse0 (bvadd c_entry_point_~array~0.offset .cse1 (_ bv4294967284 32)))) (forall ((v_entry_point_~i~2_173 (_ BitVec 32))) (or (= (_ bv0 32) (select (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset (bvmul v_entry_point_~i~2_173 (_ bv4 32))) (_ bv0 32)) c_entry_point_~array~0.offset)) (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_173)))) (= (bvadd c_entry_point_~i~2 (_ bv4294967290 32)) (_ bv0 32)) (forall ((v_entry_point_~i~2_177 (_ BitVec 32))) (or (= (select (let ((.cse3 (bvmul v_entry_point_~i~2_177 (_ bv4 32)))) (store (store (store (store (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset .cse3) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse3 (_ bv4 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse3 (_ bv8 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse3 (_ bv12 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse3 (_ bv16 32)) (_ bv0 32))) c_entry_point_~array~0.offset) (_ bv0 32)) (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_177)))) (= (_ bv0 32) (select .cse0 c_entry_point_~array~0.offset)) (forall ((v_entry_point_~i~2_174 (_ BitVec 32))) (or (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_174)) (= (select (let ((.cse4 (bvmul v_entry_point_~i~2_174 (_ bv4 32)))) (store (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset .cse4) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse4 (_ bv4 32)) (_ bv0 32))) c_entry_point_~array~0.offset) (_ bv0 32)))) (= (select .cse0 (bvadd c_entry_point_~array~0.offset .cse1)) (_ bv0 32)) (= (_ bv0 32) (select .cse0 (bvadd c_entry_point_~array~0.offset .cse1 (_ bv4294967276 32)))) (= (select .cse0 (bvadd c_entry_point_~array~0.offset .cse1 (_ bv4294967292 32))) (_ bv0 32)))) is different from false [2020-11-29 18:41:10,476 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base)) (.cse1 (bvmul c_entry_point_~i~2 (_ bv4 32)))) (and (= (_ bv0 32) (select .cse0 (bvadd c_entry_point_~array~0.offset .cse1 (_ bv4294967288 32)))) (= (_ bv0 32) (select .cse0 (bvadd c_entry_point_~array~0.offset .cse1 (_ bv4294967284 32)))) (= (_ bv0 32) (select .cse0 c_entry_point_~array~0.offset)) (= (bvadd c_entry_point_~i~2 (_ bv4294967289 32)) (_ bv0 32)) (= (select .cse0 (bvadd c_entry_point_~array~0.offset .cse1 (_ bv4294967292 32))) (_ bv0 32)) (forall ((v_entry_point_~i~2_175 (_ BitVec 32))) (or (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_175)) (= (select (let ((.cse2 (bvmul v_entry_point_~i~2_175 (_ bv4 32)))) (store (store (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset .cse2) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse2 (_ bv4 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse2 (_ bv8 32)) (_ bv0 32))) c_entry_point_~array~0.offset) (_ bv0 32)))) (= (_ bv0 32) (select .cse0 (bvadd c_entry_point_~array~0.offset .cse1 (_ bv4294967280 32)))) (forall ((v_entry_point_~i~2_173 (_ BitVec 32))) (or (= (_ bv0 32) (select (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset (bvmul v_entry_point_~i~2_173 (_ bv4 32))) (_ bv0 32)) c_entry_point_~array~0.offset)) (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_173)))) (forall ((v_entry_point_~i~2_177 (_ BitVec 32))) (or (= (select (let ((.cse3 (bvmul v_entry_point_~i~2_177 (_ bv4 32)))) (store (store (store (store (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset .cse3) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse3 (_ bv4 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse3 (_ bv8 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse3 (_ bv12 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse3 (_ bv16 32)) (_ bv0 32))) c_entry_point_~array~0.offset) (_ bv0 32)) (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_177)))) (= (_ bv0 32) (select .cse0 (bvadd c_entry_point_~array~0.offset .cse1 (_ bv4294967272 32)))) (forall ((v_entry_point_~i~2_174 (_ BitVec 32))) (or (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_174)) (= (select (let ((.cse4 (bvmul v_entry_point_~i~2_174 (_ bv4 32)))) (store (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset .cse4) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse4 (_ bv4 32)) (_ bv0 32))) c_entry_point_~array~0.offset) (_ bv0 32)))) (= (select .cse0 (bvadd c_entry_point_~array~0.offset .cse1)) (_ bv0 32)) (= (_ bv0 32) (select .cse0 (bvadd c_entry_point_~array~0.offset .cse1 (_ bv4294967276 32)))))) is different from false [2020-11-29 18:41:15,007 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base)) (.cse1 (bvmul c_entry_point_~i~2 (_ bv4 32)))) (and (= (_ bv0 32) (select .cse0 (bvadd c_entry_point_~array~0.offset .cse1 (_ bv4294967288 32)))) (= (_ bv0 32) (select .cse0 (bvadd c_entry_point_~array~0.offset .cse1 (_ bv4294967284 32)))) (= (_ bv0 32) (select .cse0 c_entry_point_~array~0.offset)) (= (select .cse0 (bvadd c_entry_point_~array~0.offset .cse1 (_ bv4294967292 32))) (_ bv0 32)) (forall ((v_entry_point_~i~2_175 (_ BitVec 32))) (or (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_175)) (= (select (let ((.cse2 (bvmul v_entry_point_~i~2_175 (_ bv4 32)))) (store (store (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset .cse2) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse2 (_ bv4 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse2 (_ bv8 32)) (_ bv0 32))) c_entry_point_~array~0.offset) (_ bv0 32)))) (= (_ bv0 32) (select .cse0 (bvadd c_entry_point_~array~0.offset .cse1 (_ bv4294967280 32)))) (forall ((v_entry_point_~i~2_173 (_ BitVec 32))) (or (= (_ bv0 32) (select (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset (bvmul v_entry_point_~i~2_173 (_ bv4 32))) (_ bv0 32)) c_entry_point_~array~0.offset)) (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_173)))) (forall ((v_entry_point_~i~2_177 (_ BitVec 32))) (or (= (select (let ((.cse3 (bvmul v_entry_point_~i~2_177 (_ bv4 32)))) (store (store (store (store (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset .cse3) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse3 (_ bv4 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse3 (_ bv8 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse3 (_ bv12 32)) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse3 (_ bv16 32)) (_ bv0 32))) c_entry_point_~array~0.offset) (_ bv0 32)) (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_177)))) (= (_ bv0 32) (select .cse0 (bvadd c_entry_point_~array~0.offset .cse1 (_ bv4294967272 32)))) (= (_ bv0 32) (select .cse0 (bvadd c_entry_point_~array~0.offset .cse1 (_ bv4294967268 32)))) (forall ((v_entry_point_~i~2_174 (_ BitVec 32))) (or (not (= (bvadd c_entry_point_~i~2 (_ bv1 32)) v_entry_point_~i~2_174)) (= (select (let ((.cse4 (bvmul v_entry_point_~i~2_174 (_ bv4 32)))) (store (store (select |c_#memory_$Pointer$.offset| c_entry_point_~array~0.base) (bvadd c_entry_point_~array~0.offset .cse4) (_ bv0 32)) (bvadd c_entry_point_~array~0.offset .cse4 (_ bv4 32)) (_ bv0 32))) c_entry_point_~array~0.offset) (_ bv0 32)))) (= (select .cse0 (bvadd c_entry_point_~array~0.offset .cse1)) (_ bv0 32)) (= (_ bv0 32) (select .cse0 (bvadd c_entry_point_~array~0.offset .cse1 (_ bv4294967276 32)))) (= (bvadd c_entry_point_~i~2 (_ bv4294967288 32)) (_ bv0 32)))) is different from false [2020-11-29 18:42:01,137 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-11-29 18:42:01,960 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-29 18:42:10,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:42:10,628 INFO L93 Difference]: Finished difference Result 248 states and 304 transitions. [2020-11-29 18:42:10,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-11-29 18:42:10,633 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 66 [2020-11-29 18:42:10,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:42:10,636 INFO L225 Difference]: With dead ends: 248 [2020-11-29 18:42:10,636 INFO L226 Difference]: Without dead ends: 248 [2020-11-29 18:42:10,638 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 13 IntricatePredicates, 0 DeprecatedPredicates, 594 ImplicationChecksByTransitivity, 109.0s TimeCoverageRelationStatistics Valid=547, Invalid=2029, Unknown=26, NotChecked=1430, Total=4032 [2020-11-29 18:42:10,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-11-29 18:42:10,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 231. [2020-11-29 18:42:10,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2020-11-29 18:42:10,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 293 transitions. [2020-11-29 18:42:10,651 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 293 transitions. Word has length 66 [2020-11-29 18:42:10,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:42:10,651 INFO L481 AbstractCegarLoop]: Abstraction has 231 states and 293 transitions. [2020-11-29 18:42:10,651 INFO L482 AbstractCegarLoop]: Interpolant automaton has 49 states. [2020-11-29 18:42:10,652 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 293 transitions. [2020-11-29 18:42:10,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-11-29 18:42:10,653 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:42:10,653 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:42:10,857 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 mathsat -unsat_core_generation=3 [2020-11-29 18:42:10,859 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, alloc_17Err0REQUIRES_VIOLATION, alloc_17Err4ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err1REQUIRES_VIOLATION, alloc_17Err5ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err7REQUIRES_VIOLATION, alloc_17Err6ASSERT_VIOLATIONMEMORY_FREE, alloc_17Err2REQUIRES_VIOLATION, alloc_17Err3REQUIRES_VIOLATION, alloc_17Err8REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, free_17Err1REQUIRES_VIOLATION, free_17Err3ASSERT_VIOLATIONMEMORY_FREE, free_17Err0REQUIRES_VIOLATION, free_17Err2ASSERT_VIOLATIONMEMORY_FREE, free_17Err4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-11-29 18:42:10,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:42:10,860 INFO L82 PathProgramCache]: Analyzing trace with hash -342217912, now seen corresponding path program 1 times [2020-11-29 18:42:10,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 18:42:10,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [710720105] [2020-11-29 18:42:10,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/mathsat Starting monitored process 21 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with mathsat -unsat_core_generation=3 [2020-11-29 18:42:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:42:11,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 32 conjunts are in the unsatisfiable core [2020-11-29 18:42:11,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:42:11,263 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-11-29 18:42:11,264 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:42:11,287 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:42:11,288 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 18:42:11,288 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:22 [2020-11-29 18:42:11,389 INFO L350 Elim1Store]: treesize reduction 40, result has 23.1 percent of original size [2020-11-29 18:42:11,389 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2020-11-29 18:42:11,390 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:42:11,413 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:42:11,414 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 18:42:11,414 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:40, output treesize:36 [2020-11-29 18:42:11,670 INFO L350 Elim1Store]: treesize reduction 96, result has 20.7 percent of original size [2020-11-29 18:42:11,670 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 42 [2020-11-29 18:42:11,671 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:42:11,713 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:42:11,714 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 18:42:11,714 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:52, output treesize:48 [2020-11-29 18:42:11,988 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 23 [2020-11-29 18:42:11,989 INFO L350 Elim1Store]: treesize reduction 171, result has 17.8 percent of original size [2020-11-29 18:42:11,989 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 57 [2020-11-29 18:42:11,990 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:42:12,029 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:42:12,030 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 18:42:12,030 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:64, output treesize:60 [2020-11-29 18:42:12,389 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 28 [2020-11-29 18:42:12,390 INFO L350 Elim1Store]: treesize reduction 264, result has 15.7 percent of original size [2020-11-29 18:42:12,390 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 64 treesize of output 72 [2020-11-29 18:42:12,391 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:42:12,437 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:42:12,438 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 18:42:12,438 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:76, output treesize:72 [2020-11-29 18:42:12,909 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 33 [2020-11-29 18:42:12,909 INFO L350 Elim1Store]: treesize reduction 375, result has 14.0 percent of original size [2020-11-29 18:42:12,909 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 76 treesize of output 87 [2020-11-29 18:42:12,910 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:42:12,974 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 18:42:12,974 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 18:42:12,975 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:86, output treesize:82 [2020-11-29 18:42:13,696 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 67 [2020-11-29 18:42:13,696 INFO L350 Elim1Store]: treesize reduction 170, result has 57.2 percent of original size [2020-11-29 18:42:13,697 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 68 treesize of output 256 [2020-11-29 18:42:13,697 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:42:13,909 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 41 [2020-11-29 18:42:13,910 INFO L625 ElimStorePlain]: treesize reduction 174, result has 30.4 percent of original size [2020-11-29 18:42:13,910 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 18:42:13,911 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:80, output treesize:76 [2020-11-29 18:42:14,880 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 77 [2020-11-29 18:42:14,881 INFO L350 Elim1Store]: treesize reduction 240, result has 52.6 percent of original size [2020-11-29 18:42:14,881 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 77 treesize of output 298 [2020-11-29 18:42:14,882 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 18:42:15,151 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 45 [2020-11-29 18:42:15,152 INFO L625 ElimStorePlain]: treesize reduction 204, result has 29.4 percent of original size [2020-11-29 18:42:15,153 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 18:42:15,153 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:89, output treesize:85 [2020-11-29 18:42:54,087 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2020-11-29 18:42:54,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [710720105] [2020-11-29 18:42:54,088 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") [2020-11-29 18:42:54,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [273380339] [2020-11-29 18:42:54,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/cvc4 Starting monitored process 22 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-29 18:42:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:42:55,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 39 conjunts are in the unsatisfiable core [2020-11-29 18:42:55,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:42:55,086 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken [2020-11-29 18:42:55,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507288221] [2020-11-29 18:42:55,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c01a309-4c99-470f-88a5-754c20f4fd70/bin/uautomizer/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:42:55,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:42:55,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 43 conjunts are in the unsatisfiable core [2020-11-29 18:42:55,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:42:55,382 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@658b8905 [2020-11-29 18:42:55,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:42:55,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-11-29 18:42:55,382 ERROR L205 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2020-11-29 18:42:55,382 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 18:42:56,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 mathsat -unsat_core_generation=3,22 cvc4 --incremental --print-success --lang smt --rewrite-divk,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 18:42:56,020 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-11-29 18:42:56,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:42:56 BoogieIcfgContainer [2020-11-29 18:42:56,020 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 18:42:56,021 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:42:56,021 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:42:56,021 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:42:56,022 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:29:17" (3/4) ... [2020-11-29 18:42:56,026 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 18:42:56,026 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:42:56,027 INFO L168 Benchmark]: Toolchain (without parser) took 822366.62 ms. Allocated memory was 67.1 MB in the beginning and 167.8 MB in the end (delta: 100.7 MB). Free memory was 47.1 MB in the beginning and 52.5 MB in the end (delta: -5.4 MB). Peak memory consumption was 95.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:42:56,027 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 67.1 MB. Free memory was 50.0 MB in the beginning and 50.0 MB in the end (delta: 84.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:42:56,028 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1073.15 ms. Allocated memory was 67.1 MB in the beginning and 92.3 MB in the end (delta: 25.2 MB). Free memory was 46.9 MB in the beginning and 61.8 MB in the end (delta: -14.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. [2020-11-29 18:42:56,028 INFO L168 Benchmark]: Boogie Preprocessor took 178.13 ms. Allocated memory is still 92.3 MB. Free memory was 61.8 MB in the beginning and 56.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 18:42:56,029 INFO L168 Benchmark]: RCFGBuilder took 2227.50 ms. Allocated memory is still 92.3 MB. Free memory was 56.8 MB in the beginning and 46.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 28.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:42:56,029 INFO L168 Benchmark]: TraceAbstraction took 818876.26 ms. Allocated memory was 92.3 MB in the beginning and 167.8 MB in the end (delta: 75.5 MB). Free memory was 46.2 MB in the beginning and 52.5 MB in the end (delta: -6.4 MB). Peak memory consumption was 69.3 MB. Max. memory is 16.1 GB. [2020-11-29 18:42:56,029 INFO L168 Benchmark]: Witness Printer took 4.97 ms. Allocated memory is still 167.8 MB. Free memory is still 52.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:42:56,031 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 67.1 MB. Free memory was 50.0 MB in the beginning and 50.0 MB in the end (delta: 84.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1073.15 ms. Allocated memory was 67.1 MB in the beginning and 92.3 MB in the end (delta: 25.2 MB). Free memory was 46.9 MB in the beginning and 61.8 MB in the end (delta: -14.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 178.13 ms. Allocated memory is still 92.3 MB. Free memory was 61.8 MB in the beginning and 56.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2227.50 ms. Allocated memory is still 92.3 MB. Free memory was 56.8 MB in the beginning and 46.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 28.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 818876.26 ms. Allocated memory was 92.3 MB in the beginning and 167.8 MB in the end (delta: 75.5 MB). Free memory was 46.2 MB in the beginning and 52.5 MB in the end (delta: -6.4 MB). Peak memory consumption was 69.3 MB. Max. memory is 16.1 GB. * Witness Printer took 4.97 ms. Allocated memory is still 167.8 MB. Free memory is still 52.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 780]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L797] CALL entry_point() [L784] int i; [L785] int len = 10; [L786] CALL, EXPR ldv_malloc(sizeof(struct A17*)*len) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L786] RET, EXPR ldv_malloc(sizeof(struct A17*)*len) [L786] struct A17 **array = (struct A17 **)ldv_malloc(sizeof(struct A17*)*len); [L787] COND TRUE \read(**array) [L788] i=0 [L788] COND TRUE i=0) [L775] return - -3; [L791] RET alloc_17(array, len) [L792] CALL free_17(array, len) [L778] int i; [L779] i=0 [L779] COND TRUE i