./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_93ec9ecc-e323-4ab0-a7e0-55ebf905d47a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_93ec9ecc-e323-4ab0-a7e0-55ebf905d47a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_93ec9ecc-e323-4ab0-a7e0-55ebf905d47a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_93ec9ecc-e323-4ab0-a7e0-55ebf905d47a/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9.i -s /tmp/vcloud-vcloud-master/worker/run_dir_93ec9ecc-e323-4ab0-a7e0-55ebf905d47a/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_93ec9ecc-e323-4ab0-a7e0-55ebf905d47a/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 4e0e1098f21fb27be4a1372259b2e0fa3db81f74 .................................................................................................................................. 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_93ec9ecc-e323-4ab0-a7e0-55ebf905d47a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_93ec9ecc-e323-4ab0-a7e0-55ebf905d47a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_93ec9ecc-e323-4ab0-a7e0-55ebf905d47a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_93ec9ecc-e323-4ab0-a7e0-55ebf905d47a/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9.i -s /tmp/vcloud-vcloud-master/worker/run_dir_93ec9ecc-e323-4ab0-a7e0-55ebf905d47a/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_93ec9ecc-e323-4ab0-a7e0-55ebf905d47a/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 4e0e1098f21fb27be4a1372259b2e0fa3db81f74 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:03:51,360 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:03:51,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:03:51,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:03:51,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:03:51,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:03:51,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:03:51,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:03:51,474 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:03:51,476 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:03:51,478 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:03:51,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:03:51,480 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:03:51,482 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:03:51,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:03:51,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:03:51,487 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:03:51,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:03:51,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:03:51,495 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:03:51,498 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:03:51,500 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:03:51,502 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:03:51,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:03:51,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:03:51,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:03:51,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:03:51,510 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:03:51,511 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:03:51,513 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:03:51,513 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:03:51,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:03:51,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:03:51,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:03:51,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:03:51,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:03:51,521 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:03:51,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:03:51,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:03:51,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:03:51,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:03:51,529 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_93ec9ecc-e323-4ab0-a7e0-55ebf905d47a/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-12-01 16:03:51,577 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:03:51,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:03:51,591 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:03:51,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:03:51,592 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 16:03:51,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:03:51,593 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:03:51,593 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 16:03:51,593 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:03:51,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:03:51,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:03:51,595 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-01 16:03:51,596 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-01 16:03:51,596 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-01 16:03:51,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:03:51,596 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 16:03:51,596 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:03:51,597 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:03:51,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:03:51,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 16:03:51,597 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:03:51,598 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 16:03:51,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 16:03:51,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:03:51,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:03:51,599 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 16:03:51,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:03:51,599 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 16:03:51,599 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_93ec9ecc-e323-4ab0-a7e0-55ebf905d47a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_93ec9ecc-e323-4ab0-a7e0-55ebf905d47a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e0e1098f21fb27be4a1372259b2e0fa3db81f74 [2020-12-01 16:03:51,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:03:51,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:03:51,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:03:51,894 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:03:51,895 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:03:51,896 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_93ec9ecc-e323-4ab0-a7e0-55ebf905d47a/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9.i [2020-12-01 16:03:51,972 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_93ec9ecc-e323-4ab0-a7e0-55ebf905d47a/bin/uautomizer/data/8b385d63d/598c4a77250947ca8b24672eab40634c/FLAG8cb2fd2c7 [2020-12-01 16:03:52,595 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:03:52,596 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_93ec9ecc-e323-4ab0-a7e0-55ebf905d47a/sv-benchmarks/c/ldv-memsafety/memleaks_test9.i [2020-12-01 16:03:52,634 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_93ec9ecc-e323-4ab0-a7e0-55ebf905d47a/bin/uautomizer/data/8b385d63d/598c4a77250947ca8b24672eab40634c/FLAG8cb2fd2c7 [2020-12-01 16:03:52,855 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_93ec9ecc-e323-4ab0-a7e0-55ebf905d47a/bin/uautomizer/data/8b385d63d/598c4a77250947ca8b24672eab40634c [2020-12-01 16:03:52,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:03:52,859 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-12-01 16:03:52,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:03:52,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:03:52,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:03:52,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:03:52" (1/1) ... [2020-12-01 16:03:52,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c88e3bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:03:52, skipping insertion in model container [2020-12-01 16:03:52,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:03:52" (1/1) ... [2020-12-01 16:03:52,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:03:52,965 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:03:53,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:03:53,679 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) [2020-12-01 16:03:53,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@324ff07f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:03:53, skipping insertion in model container [2020-12-01 16:03:53,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:03:53,682 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-12-01 16:03:53,687 INFO L168 Benchmark]: Toolchain (without parser) took 824.43 ms. Allocated memory is still 130.0 MB. Free memory was 101.1 MB in the beginning and 101.6 MB in the end (delta: -526.4 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:03:53,687 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 88.1 MB. Free memory is still 51.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:03:53,690 INFO L168 Benchmark]: CACSL2BoogieTranslator took 820.68 ms. Allocated memory is still 130.0 MB. Free memory was 100.8 MB in the beginning and 101.6 MB in the end (delta: -792.7 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:03:53,693 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 88.1 MB. Free memory is still 51.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 820.68 ms. Allocated memory is still 130.0 MB. Free memory was 100.8 MB in the beginning and 101.6 MB in the end (delta: -792.7 kB). 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 0.2.0-69874e2 [2020-12-01 16:03:56,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:03:56,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:03:56,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:03:56,170 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:03:56,177 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:03:56,180 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:03:56,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:03:56,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:03:56,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:03:56,198 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:03:56,207 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:03:56,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:03:56,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:03:56,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:03:56,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:03:56,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:03:56,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:03:56,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:03:56,217 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:03:56,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:03:56,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:03:56,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:03:56,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:03:56,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:03:56,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:03:56,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:03:56,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:03:56,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:03:56,251 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:03:56,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:03:56,252 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:03:56,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:03:56,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:03:56,256 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:03:56,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:03:56,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:03:56,258 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:03:56,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:03:56,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:03:56,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:03:56,262 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_93ec9ecc-e323-4ab0-a7e0-55ebf905d47a/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-12-01 16:03:56,302 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:03:56,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:03:56,304 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:03:56,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:03:56,304 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 16:03:56,304 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:03:56,304 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:03:56,305 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 16:03:56,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:03:56,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:03:56,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:03:56,305 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-01 16:03:56,306 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-01 16:03:56,306 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-01 16:03:56,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:03:56,306 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 16:03:56,306 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 16:03:56,307 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 16:03:56,307 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:03:56,307 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:03:56,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:03:56,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 16:03:56,308 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:03:56,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 16:03:56,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 16:03:56,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:03:56,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:03:56,309 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-01 16:03:56,309 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 16:03:56,309 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 16:03:56,309 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 16:03:56,309 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_93ec9ecc-e323-4ab0-a7e0-55ebf905d47a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_93ec9ecc-e323-4ab0-a7e0-55ebf905d47a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e0e1098f21fb27be4a1372259b2e0fa3db81f74 [2020-12-01 16:03:56,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:03:56,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:03:56,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:03:56,795 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:03:56,796 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:03:56,797 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_93ec9ecc-e323-4ab0-a7e0-55ebf905d47a/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9.i [2020-12-01 16:03:56,872 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_93ec9ecc-e323-4ab0-a7e0-55ebf905d47a/bin/uautomizer/data/c3a0e3e4f/b84a3c184672403a8ffc84975414a238/FLAG561eba8e0 [2020-12-01 16:03:57,621 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:03:57,622 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_93ec9ecc-e323-4ab0-a7e0-55ebf905d47a/sv-benchmarks/c/ldv-memsafety/memleaks_test9.i [2020-12-01 16:03:57,638 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_93ec9ecc-e323-4ab0-a7e0-55ebf905d47a/bin/uautomizer/data/c3a0e3e4f/b84a3c184672403a8ffc84975414a238/FLAG561eba8e0 [2020-12-01 16:03:57,792 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_93ec9ecc-e323-4ab0-a7e0-55ebf905d47a/bin/uautomizer/data/c3a0e3e4f/b84a3c184672403a8ffc84975414a238 [2020-12-01 16:03:57,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:03:57,796 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-12-01 16:03:57,797 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:03:57,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:03:57,801 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:03:57,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:03:57" (1/1) ... [2020-12-01 16:03:57,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1015bcee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:03:57, skipping insertion in model container [2020-12-01 16:03:57,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:03:57" (1/1) ... [2020-12-01 16:03:57,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:03:57,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:03:58,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:03:58,343 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-12-01 16:03:58,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:03:58,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:03:58,475 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:03:58,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:03:58,663 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:03:58,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:03:58 WrapperNode [2020-12-01 16:03:58,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:03:58,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:03:58,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:03:58,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:03:58,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:03:58" (1/1) ... [2020-12-01 16:03:58,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:03:58" (1/1) ... [2020-12-01 16:03:58,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:03:58" (1/1) ... [2020-12-01 16:03:58,703 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:03:58" (1/1) ... [2020-12-01 16:03:58,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:03:58" (1/1) ... [2020-12-01 16:03:58,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:03:58" (1/1) ... [2020-12-01 16:03:58,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:03:58" (1/1) ... [2020-12-01 16:03:58,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:03:58,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:03:58,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:03:58,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:03:58,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:03:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93ec9ecc-e323-4ab0-a7e0-55ebf905d47a/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 [2020-12-01 16:03:58,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-12-01 16:03:58,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:03:58,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-12-01 16:03:58,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-12-01 16:03:58,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-12-01 16:03:58,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-12-01 16:03:58,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-12-01 16:03:58,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-12-01 16:03:58,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-12-01 16:03:58,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-12-01 16:03:58,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-12-01 16:03:58,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-12-01 16:03:58,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-12-01 16:03:58,855 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-12-01 16:03:58,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-12-01 16:03:58,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-12-01 16:03:58,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-12-01 16:03:58,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-12-01 16:03:58,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-12-01 16:03:58,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-12-01 16:03:58,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-12-01 16:03:58,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-12-01 16:03:58,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-12-01 16:03:58,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-12-01 16:03:58,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-12-01 16:03:58,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-12-01 16:03:58,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-12-01 16:03:58,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-12-01 16:03:58,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-12-01 16:03:58,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-12-01 16:03:58,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-12-01 16:03:58,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-12-01 16:03:58,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-12-01 16:03:58,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-12-01 16:03:58,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-12-01 16:03:58,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-12-01 16:03:58,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-12-01 16:03:58,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-12-01 16:03:58,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-12-01 16:03:58,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-12-01 16:03:58,859 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-12-01 16:03:58,860 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-12-01 16:03:58,860 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_9 [2020-12-01 16:03:58,860 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_9 [2020-12-01 16:03:58,860 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-12-01 16:03:58,860 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-12-01 16:03:58,861 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-12-01 16:03:58,861 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-12-01 16:03:58,861 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-12-01 16:03:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-12-01 16:03:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-12-01 16:03:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-12-01 16:03:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-12-01 16:03:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-12-01 16:03:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-12-01 16:03:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-12-01 16:03:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-12-01 16:03:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-12-01 16:03:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-12-01 16:03:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-12-01 16:03:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-12-01 16:03:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-12-01 16:03:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-12-01 16:03:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-12-01 16:03:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-12-01 16:03:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-12-01 16:03:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-12-01 16:03:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-12-01 16:03:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-12-01 16:03:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-12-01 16:03:58,868 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-12-01 16:03:58,869 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-12-01 16:03:58,869 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-12-01 16:03:58,869 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-12-01 16:03:58,869 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-12-01 16:03:58,869 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-12-01 16:03:58,869 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-12-01 16:03:58,869 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-12-01 16:03:58,870 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-12-01 16:03:58,870 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-12-01 16:03:58,871 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-12-01 16:03:58,871 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-12-01 16:03:58,871 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-12-01 16:03:58,871 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-12-01 16:03:58,871 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-12-01 16:03:58,871 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-12-01 16:03:58,871 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-12-01 16:03:58,872 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-12-01 16:03:58,872 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-12-01 16:03:58,872 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-12-01 16:03:58,872 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-12-01 16:03:58,872 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-12-01 16:03:58,872 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-12-01 16:03:58,872 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-12-01 16:03:58,873 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-12-01 16:03:58,873 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-12-01 16:03:58,873 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-12-01 16:03:58,873 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-12-01 16:03:58,873 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-12-01 16:03:58,873 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-12-01 16:03:58,873 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-12-01 16:03:58,873 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-12-01 16:03:58,874 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-12-01 16:03:58,874 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-12-01 16:03:58,874 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-12-01 16:03:58,874 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-12-01 16:03:58,874 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-12-01 16:03:58,874 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-12-01 16:03:58,874 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-12-01 16:03:58,875 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-12-01 16:03:58,875 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-12-01 16:03:58,876 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-12-01 16:03:58,876 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-12-01 16:03:58,877 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-12-01 16:03:58,877 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-12-01 16:03:58,877 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-12-01 16:03:58,877 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-12-01 16:03:58,877 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-12-01 16:03:58,877 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-12-01 16:03:58,877 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-12-01 16:03:58,877 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-12-01 16:03:58,878 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-12-01 16:03:58,878 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-12-01 16:03:58,878 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-12-01 16:03:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-12-01 16:03:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-12-01 16:03:58,882 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-12-01 16:03:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-12-01 16:03:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-12-01 16:03:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-12-01 16:03:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-12-01 16:03:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-12-01 16:03:58,885 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-12-01 16:03:58,885 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-12-01 16:03:58,886 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-12-01 16:03:58,886 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-12-01 16:03:58,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-12-01 16:03:58,886 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-12-01 16:03:58,892 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-12-01 16:03:58,892 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-12-01 16:03:58,892 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-12-01 16:03:58,892 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-12-01 16:03:58,892 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-12-01 16:03:58,892 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-12-01 16:03:58,893 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-12-01 16:03:58,893 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-12-01 16:03:58,893 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-12-01 16:03:58,893 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-12-01 16:03:58,893 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-12-01 16:03:58,893 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-12-01 16:03:58,893 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-12-01 16:03:58,893 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-12-01 16:03:58,894 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-12-01 16:03:58,894 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-12-01 16:03:58,894 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-12-01 16:03:58,894 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-12-01 16:03:58,894 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-12-01 16:03:58,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-12-01 16:03:58,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-12-01 16:03:58,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-12-01 16:03:58,895 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-12-01 16:03:58,895 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-12-01 16:03:58,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-12-01 16:03:58,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 16:03:58,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-12-01 16:03:58,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-12-01 16:03:58,895 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-12-01 16:03:58,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-01 16:03:58,896 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-12-01 16:03:58,896 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-12-01 16:03:58,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-12-01 16:03:58,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-01 16:03:58,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-12-01 16:03:58,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-12-01 16:03:58,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-12-01 16:03:58,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-12-01 16:03:58,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-12-01 16:03:58,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-12-01 16:03:58,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 16:03:58,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-12-01 16:03:58,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-12-01 16:03:58,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-12-01 16:03:58,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-12-01 16:03:58,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-12-01 16:03:58,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-01 16:03:58,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-01 16:03:58,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-12-01 16:03:58,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-12-01 16:03:58,898 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-12-01 16:03:58,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-12-01 16:03:58,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-12-01 16:03:58,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-12-01 16:03:58,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-12-01 16:03:58,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-12-01 16:03:58,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-12-01 16:03:58,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-12-01 16:03:58,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-12-01 16:03:58,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-12-01 16:03:58,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-12-01 16:03:58,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-12-01 16:03:58,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-12-01 16:03:58,900 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-12-01 16:03:58,900 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-12-01 16:03:58,900 INFO L130 BoogieDeclarations]: Found specification of procedure probe_9 [2020-12-01 16:03:58,900 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_9 [2020-12-01 16:03:58,901 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-12-01 16:03:58,901 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-12-01 16:03:58,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-12-01 16:03:58,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:03:58,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-01 16:03:58,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:03:58,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-12-01 16:03:58,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-12-01 16:03:58,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-12-01 16:03:58,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-01 16:03:58,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-01 16:03:59,641 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 16:04:00,134 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 16:04:00,477 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:04:00,477 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-12-01 16:04:00,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:04:00 BoogieIcfgContainer [2020-12-01 16:04:00,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:04:00,482 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 16:04:00,482 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 16:04:00,485 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 16:04:00,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 04:03:57" (1/3) ... [2020-12-01 16:04:00,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2efdd847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 04:04:00, skipping insertion in model container [2020-12-01 16:04:00,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:03:58" (2/3) ... [2020-12-01 16:04:00,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2efdd847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 04:04:00, skipping insertion in model container [2020-12-01 16:04:00,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:04:00" (3/3) ... [2020-12-01 16:04:00,489 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test9.i [2020-12-01 16:04:00,505 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 16:04:00,509 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2020-12-01 16:04:00,522 INFO L253 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2020-12-01 16:04:00,569 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 16:04:00,569 INFO L378 AbstractCegarLoop]: Hoare is false [2020-12-01 16:04:00,569 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 16:04:00,570 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 16:04:00,570 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 16:04:00,570 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 16:04:00,570 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 16:04:00,570 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 16:04:00,589 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2020-12-01 16:04:00,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 16:04:00,599 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:04:00,600 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:04:00,601 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-01 16:04:00,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:04:00,607 INFO L82 PathProgramCache]: Analyzing trace with hash 426051374, now seen corresponding path program 1 times [2020-12-01 16:04:00,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 16:04:00,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [731194802] [2020-12-01 16:04:00,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93ec9ecc-e323-4ab0-a7e0-55ebf905d47a/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 [2020-12-01 16:04:00,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:04:00,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-01 16:04:00,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:04:01,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:04:01,111 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 16:04:01,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:04:01,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [731194802] [2020-12-01 16:04:01,294 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:04:01,294 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-12-01 16:04:01,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740860379] [2020-12-01 16:04:01,300 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-01 16:04:01,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 16:04:01,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 16:04:01,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 16:04:01,324 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 5 states. [2020-12-01 16:04:01,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:04:01,404 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2020-12-01 16:04:01,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-01 16:04:01,406 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-12-01 16:04:01,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:04:01,418 INFO L225 Difference]: With dead ends: 34 [2020-12-01 16:04:01,418 INFO L226 Difference]: Without dead ends: 31 [2020-12-01 16:04:01,420 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-01 16:04:01,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-12-01 16:04:01,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-12-01 16:04:01,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-12-01 16:04:01,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2020-12-01 16:04:01,465 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 20 [2020-12-01 16:04:01,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:04:01,466 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2020-12-01 16:04:01,466 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-01 16:04:01,466 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2020-12-01 16:04:01,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:04:01,467 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:04:01,467 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:04:01,692 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-01 16:04:01,693 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-01 16:04:01,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:04:01,694 INFO L82 PathProgramCache]: Analyzing trace with hash 322691135, now seen corresponding path program 1 times [2020-12-01 16:04:01,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 16:04:01,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1107581486] [2020-12-01 16:04:01,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93ec9ecc-e323-4ab0-a7e0-55ebf905d47a/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 [2020-12-01 16:04:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:04:01,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-01 16:04:01,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:04:02,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:04:02,134 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 16:04:02,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:04:02,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1107581486] [2020-12-01 16:04:02,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:04:02,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2020-12-01 16:04:02,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256768310] [2020-12-01 16:04:02,431 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-01 16:04:02,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 16:04:02,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-01 16:04:02,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-12-01 16:04:02,435 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand 9 states. [2020-12-01 16:04:02,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:04:02,732 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2020-12-01 16:04:02,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-01 16:04:02,733 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-12-01 16:04:02,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:04:02,735 INFO L225 Difference]: With dead ends: 45 [2020-12-01 16:04:02,735 INFO L226 Difference]: Without dead ends: 45 [2020-12-01 16:04:02,736 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-12-01 16:04:02,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-12-01 16:04:02,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 34. [2020-12-01 16:04:02,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-12-01 16:04:02,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions. [2020-12-01 16:04:02,744 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 21 [2020-12-01 16:04:02,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:04:02,744 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions. [2020-12-01 16:04:02,744 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-01 16:04:02,745 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2020-12-01 16:04:02,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 16:04:02,746 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:04:02,746 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:04:02,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-01 16:04:02,966 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-01 16:04:02,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:04:02,967 INFO L82 PathProgramCache]: Analyzing trace with hash 1413491024, now seen corresponding path program 1 times [2020-12-01 16:04:02,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 16:04:02,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2030745660] [2020-12-01 16:04:02,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93ec9ecc-e323-4ab0-a7e0-55ebf905d47a/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 [2020-12-01 16:04:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:04:03,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-01 16:04:03,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:04:03,312 INFO L382 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 [2020-12-01 16:04:03,314 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 16:04:03,318 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 16:04:03,318 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-01 16:04:03,319 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-12-01 16:04:03,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:04:03,385 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 16:04:03,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:04:03,580 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2030745660] [2020-12-01 16:04:03,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:04:03,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-12-01 16:04:03,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115354229] [2020-12-01 16:04:03,581 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-01 16:04:03,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 16:04:03,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 16:04:03,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 16:04:03,582 INFO L87 Difference]: Start difference. First operand 34 states and 36 transitions. Second operand 5 states. [2020-12-01 16:04:03,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:04:03,659 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2020-12-01 16:04:03,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-01 16:04:03,660 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-12-01 16:04:03,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:04:03,664 INFO L225 Difference]: With dead ends: 43 [2020-12-01 16:04:03,664 INFO L226 Difference]: Without dead ends: 43 [2020-12-01 16:04:03,664 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 16:04:03,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-12-01 16:04:03,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2020-12-01 16:04:03,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-12-01 16:04:03,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2020-12-01 16:04:03,674 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 22 [2020-12-01 16:04:03,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:04:03,675 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2020-12-01 16:04:03,675 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-01 16:04:03,675 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2020-12-01 16:04:03,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 16:04:03,676 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:04:03,676 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:04:03,897 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-01 16:04:03,898 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-01 16:04:03,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:04:03,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1120088017, now seen corresponding path program 1 times [2020-12-01 16:04:03,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 16:04:03,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1736899819] [2020-12-01 16:04:03,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93ec9ecc-e323-4ab0-a7e0-55ebf905d47a/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 [2020-12-01 16:04:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:04:04,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-01 16:04:04,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:04:04,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:04:04,195 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 16:04:04,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:04:04,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1736899819] [2020-12-01 16:04:04,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:04:04,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-12-01 16:04:04,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748468928] [2020-12-01 16:04:04,314 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-01 16:04:04,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 16:04:04,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 16:04:04,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 16:04:04,315 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 5 states. [2020-12-01 16:04:04,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:04:04,401 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions. [2020-12-01 16:04:04,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-01 16:04:04,402 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-12-01 16:04:04,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:04:04,405 INFO L225 Difference]: With dead ends: 44 [2020-12-01 16:04:04,405 INFO L226 Difference]: Without dead ends: 44 [2020-12-01 16:04:04,406 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-01 16:04:04,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-12-01 16:04:04,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 33. [2020-12-01 16:04:04,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-12-01 16:04:04,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2020-12-01 16:04:04,420 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 22 [2020-12-01 16:04:04,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:04:04,421 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2020-12-01 16:04:04,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-01 16:04:04,421 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2020-12-01 16:04:04,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 16:04:04,423 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:04:04,423 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:04:04,642 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-01 16:04:04,643 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-01 16:04:04,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:04:04,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1413668411, now seen corresponding path program 1 times [2020-12-01 16:04:04,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 16:04:04,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [765676077] [2020-12-01 16:04:04,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93ec9ecc-e323-4ab0-a7e0-55ebf905d47a/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 [2020-12-01 16:04:04,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:04:04,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-01 16:04:04,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:04:04,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:04:04,890 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 16:04:04,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:04:05,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [765676077] [2020-12-01 16:04:05,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:04:05,003 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-12-01 16:04:05,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975709862] [2020-12-01 16:04:05,004 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-01 16:04:05,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 16:04:05,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 16:04:05,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 16:04:05,006 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 5 states. [2020-12-01 16:04:05,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:04:05,023 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2020-12-01 16:04:05,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-01 16:04:05,023 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-12-01 16:04:05,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:04:05,026 INFO L225 Difference]: With dead ends: 40 [2020-12-01 16:04:05,026 INFO L226 Difference]: Without dead ends: 40 [2020-12-01 16:04:05,026 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 16:04:05,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-12-01 16:04:05,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 37. [2020-12-01 16:04:05,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-12-01 16:04:05,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2020-12-01 16:04:05,039 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 22 [2020-12-01 16:04:05,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:04:05,039 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2020-12-01 16:04:05,039 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-01 16:04:05,039 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2020-12-01 16:04:05,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 16:04:05,040 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:04:05,040 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:04:05,256 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-01 16:04:05,257 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-01 16:04:05,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:04:05,257 INFO L82 PathProgramCache]: Analyzing trace with hash -687189059, now seen corresponding path program 1 times [2020-12-01 16:04:05,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 16:04:05,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [673835219] [2020-12-01 16:04:05,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93ec9ecc-e323-4ab0-a7e0-55ebf905d47a/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 [2020-12-01 16:04:05,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:04:05,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-01 16:04:05,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:04:05,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:04:05,496 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 16:04:05,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:04:05,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [673835219] [2020-12-01 16:04:05,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:04:05,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-01 16:04:05,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697312171] [2020-12-01 16:04:05,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:04:05,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 16:04:05,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:04:05,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:04:05,663 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand 3 states. [2020-12-01 16:04:05,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:04:05,703 INFO L93 Difference]: Finished difference Result 42 states and 43 transitions. [2020-12-01 16:04:05,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:04:05,703 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-12-01 16:04:05,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:04:05,705 INFO L225 Difference]: With dead ends: 42 [2020-12-01 16:04:05,705 INFO L226 Difference]: Without dead ends: 38 [2020-12-01 16:04:05,705 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:04:05,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-12-01 16:04:05,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 33. [2020-12-01 16:04:05,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-12-01 16:04:05,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2020-12-01 16:04:05,712 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 22 [2020-12-01 16:04:05,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:04:05,712 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2020-12-01 16:04:05,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:04:05,712 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2020-12-01 16:04:05,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:04:05,713 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:04:05,714 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:04:05,927 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-12-01 16:04:05,927 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-01 16:04:05,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:04:05,927 INFO L82 PathProgramCache]: Analyzing trace with hash -2013122506, now seen corresponding path program 1 times [2020-12-01 16:04:05,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 16:04:05,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1529250056] [2020-12-01 16:04:05,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93ec9ecc-e323-4ab0-a7e0-55ebf905d47a/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 [2020-12-01 16:04:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:04:06,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 16:04:06,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:04:06,275 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2020-12-01 16:04:06,276 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-01 16:04:06,279 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 16:04:06,280 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-01 16:04:06,280 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:3 [2020-12-01 16:04:06,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:04:06,379 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 16:04:20,886 INFO L443 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_12|]} [2020-12-01 16:04:20,902 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_12| v_prenex_2) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_12| v_prenex_2 (_ bv0 1)))))) (= |v_old(#valid)_BEFORE_CALL_11| |c_#valid|) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~a9~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_12| v_~a9~0.base_93) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_12| v_~a9~0.base_93 (_ bv0 1)) v_prenex_1))))))) is different from false [2020-12-01 16:04:20,910 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_12| v_prenex_2) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_12| v_prenex_2 (_ bv0 1)))))) (= |v_old(#valid)_BEFORE_CALL_11| |c_#valid|) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~a9~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_12| v_~a9~0.base_93) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_12| v_~a9~0.base_93 (_ bv0 1)) v_prenex_1))))))) is different from true [2020-12-01 16:04:20,932 INFO L443 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_12|]} [2020-12-01 16:04:20,961 INFO L443 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_12|]} [2020-12-01 16:04:20,977 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| c_~a9~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((v_prenex_2 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_12| v_prenex_2) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_12| v_prenex_2 (_ bv0 1)))))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~a9~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_12| v_~a9~0.base_93) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_12| v_~a9~0.base_93 (_ bv0 1)) v_prenex_1))))))) is different from false [2020-12-01 16:04:21,001 INFO L443 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_12|]} [2020-12-01 16:04:21,058 INFO L443 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_12|]} [2020-12-01 16:04:21,351 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-12-01 16:04:21,360 INFO L443 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_13|]} [2020-12-01 16:04:21,379 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| c_~a9~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_4 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_4) (_ bv0 1)))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93 (_ bv0 1)) v_prenex_3) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93) (_ bv0 1))))) (= (select |c_old(#valid)| v_~a9~0.base_101) (_ bv0 1)))))) is different from false [2020-12-01 16:04:21,387 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| c_~a9~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_4 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_4) (_ bv0 1)))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93 (_ bv0 1)) v_prenex_3) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93) (_ bv0 1))))) (= (select |c_old(#valid)| v_~a9~0.base_101) (_ bv0 1)))))) is different from true [2020-12-01 16:04:21,408 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-12-01 16:04:21,416 INFO L443 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_13|]} [2020-12-01 16:04:21,443 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-12-01 16:04:21,450 INFO L443 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_13|]} [2020-12-01 16:04:21,478 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-12-01 16:04:21,486 INFO L443 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_13|]} [2020-12-01 16:04:21,501 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_4 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_4) (_ bv0 1)))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93 (_ bv0 1)) v_prenex_3) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93) (_ bv0 1))))) (= (select |c_old(#valid)| v_~a9~0.base_101) (_ bv0 1)))) (= |v_old(#valid)_BEFORE_CALL_11| (store |c_#valid| |c_probe_9_#t~ret38.base| (_ bv0 1))))) is different from false [2020-12-01 16:04:21,507 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_4 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_4) (_ bv0 1)))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93 (_ bv0 1)) v_prenex_3) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93) (_ bv0 1))))) (= (select |c_old(#valid)| v_~a9~0.base_101) (_ bv0 1)))) (= |v_old(#valid)_BEFORE_CALL_11| (store |c_#valid| |c_probe_9_#t~ret38.base| (_ bv0 1))))) is different from true [2020-12-01 16:04:21,605 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-12-01 16:04:21,614 INFO L443 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_13|]} [2020-12-01 16:04:21,633 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_probe_9_#t~ret38.base_77| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_11| (store |c_#valid| |v_probe_9_#t~ret38.base_77| (_ bv0 1))) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_4 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_4) (_ bv0 1)))) (not (= (select |c_#valid| |v_probe_9_#t~ret38.base_77|) (_ bv0 1))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93 (_ bv0 1)) v_prenex_3) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93) (_ bv0 1))))) (= (select |c_old(#valid)| v_~a9~0.base_101) (_ bv0 1)))))) is different from false [2020-12-01 16:04:21,639 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_probe_9_#t~ret38.base_77| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_11| (store |c_#valid| |v_probe_9_#t~ret38.base_77| (_ bv0 1))) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_4 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_4) (_ bv0 1)))) (not (= (select |c_#valid| |v_probe_9_#t~ret38.base_77|) (_ bv0 1))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93 (_ bv0 1)) v_prenex_3) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93) (_ bv0 1))))) (= (select |c_old(#valid)| v_~a9~0.base_101) (_ bv0 1)))))) is different from true [2020-12-01 16:04:21,715 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-12-01 16:04:21,743 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-12-01 16:04:21,749 INFO L443 ElimStorePlain]: Different costs {0=[v_prenex_8, v_prenex_5], 5=[v_prenex_6]} [2020-12-01 16:04:21,766 INFO L443 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_14|, |v_old(#valid)_BEFORE_CALL_13|]} [2020-12-01 16:04:21,836 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_10 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|)) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_10) (_ bv0 1)))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_7 (_ bv0 1)) v_prenex_8)) (= (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_7) (_ bv0 1)) (forall ((v_prenex_9 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_9 (_ bv0 1)) v_prenex_8) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_9) (_ bv0 1))))))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((|v_probe_9_#t~ret38.base_77| (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= v_prenex_5 (store |c_old(#valid)| |v_probe_9_#t~ret38.base_77| (_ bv0 1)))) (= (select |c_old(#valid)| |v_probe_9_#t~ret38.base_77|) (_ bv0 1)) (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (select v_prenex_6 v_prenex_4) (_ bv0 1))))) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (or (exists ((v_~a9~0.base_93 (_ BitVec 32))) (and (not (= (store v_prenex_6 v_~a9~0.base_93 (_ bv0 1)) v_prenex_3)) (= (_ bv0 1) (select v_prenex_6 v_~a9~0.base_93)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_~a9~0.base_101))) (= (store |v_old(#valid)_BEFORE_CALL_14| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3))))))) is different from false [2020-12-01 16:04:21,851 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_10 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|)) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_10) (_ bv0 1)))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_7 (_ bv0 1)) v_prenex_8)) (= (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_7) (_ bv0 1)) (forall ((v_prenex_9 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_9 (_ bv0 1)) v_prenex_8) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_9) (_ bv0 1))))))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((|v_probe_9_#t~ret38.base_77| (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= v_prenex_5 (store |c_old(#valid)| |v_probe_9_#t~ret38.base_77| (_ bv0 1)))) (= (select |c_old(#valid)| |v_probe_9_#t~ret38.base_77|) (_ bv0 1)) (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (select v_prenex_6 v_prenex_4) (_ bv0 1))))) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (or (exists ((v_~a9~0.base_93 (_ BitVec 32))) (and (not (= (store v_prenex_6 v_~a9~0.base_93 (_ bv0 1)) v_prenex_3)) (= (_ bv0 1) (select v_prenex_6 v_~a9~0.base_93)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_~a9~0.base_101))) (= (store |v_old(#valid)_BEFORE_CALL_14| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3))))))) is different from true [2020-12-01 16:04:21,926 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-12-01 16:04:21,947 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-12-01 16:04:21,955 INFO L443 ElimStorePlain]: Different costs {0=[v_prenex_8, v_prenex_5], 5=[v_prenex_6]} [2020-12-01 16:04:21,966 INFO L443 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_14|, |v_old(#valid)_BEFORE_CALL_13|]} [2020-12-01 16:04:22,095 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-12-01 16:04:22,111 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-12-01 16:04:22,117 INFO L443 ElimStorePlain]: Different costs {0=[v_prenex_8, v_prenex_5], 5=[v_prenex_6]} [2020-12-01 16:04:22,134 INFO L443 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_14|, |v_old(#valid)_BEFORE_CALL_13|]} [2020-12-01 16:04:22,183 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#res.base_64| (_ BitVec 32))) (or (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_10 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|)) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_10) (_ bv0 1)))) (not (= (select |c_#valid| |v_ldv_malloc_#res.base_64|) (_ bv0 1))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_7 (_ bv0 1)) v_prenex_8)) (= (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_7) (_ bv0 1)) (forall ((v_prenex_9 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_9 (_ bv0 1)) v_prenex_8) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_9) (_ bv0 1))))))) (exists ((|v_probe_9_#t~ret38.base_77| (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= v_prenex_5 (store |c_old(#valid)| |v_probe_9_#t~ret38.base_77| (_ bv0 1)))) (= (select |c_old(#valid)| |v_probe_9_#t~ret38.base_77|) (_ bv0 1)) (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (select v_prenex_6 v_prenex_4) (_ bv0 1))))) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (or (exists ((v_~a9~0.base_93 (_ BitVec 32))) (and (not (= (store v_prenex_6 v_~a9~0.base_93 (_ bv0 1)) v_prenex_3)) (= (_ bv0 1) (select v_prenex_6 v_~a9~0.base_93)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_~a9~0.base_101))) (= (store |v_old(#valid)_BEFORE_CALL_14| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3))))) (= (store |c_#valid| |v_ldv_malloc_#res.base_64| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|))) is different from false [2020-12-01 16:04:22,193 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_ldv_malloc_#res.base_64| (_ BitVec 32))) (or (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_10 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|)) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_10) (_ bv0 1)))) (not (= (select |c_#valid| |v_ldv_malloc_#res.base_64|) (_ bv0 1))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_7 (_ bv0 1)) v_prenex_8)) (= (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_7) (_ bv0 1)) (forall ((v_prenex_9 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_9 (_ bv0 1)) v_prenex_8) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_9) (_ bv0 1))))))) (exists ((|v_probe_9_#t~ret38.base_77| (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= v_prenex_5 (store |c_old(#valid)| |v_probe_9_#t~ret38.base_77| (_ bv0 1)))) (= (select |c_old(#valid)| |v_probe_9_#t~ret38.base_77|) (_ bv0 1)) (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (select v_prenex_6 v_prenex_4) (_ bv0 1))))) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (or (exists ((v_~a9~0.base_93 (_ BitVec 32))) (and (not (= (store v_prenex_6 v_~a9~0.base_93 (_ bv0 1)) v_prenex_3)) (= (_ bv0 1) (select v_prenex_6 v_~a9~0.base_93)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_~a9~0.base_101))) (= (store |v_old(#valid)_BEFORE_CALL_14| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3))))) (= (store |c_#valid| |v_ldv_malloc_#res.base_64| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|))) is different from true [2020-12-01 16:04:22,262 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-12-01 16:04:22,278 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-12-01 16:04:22,283 INFO L443 ElimStorePlain]: Different costs {0=[v_prenex_8, v_prenex_5], 5=[v_prenex_6]} [2020-12-01 16:04:22,293 INFO L443 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_11|], 5=[|v_old(#valid)_BEFORE_CALL_14|, |v_old(#valid)_BEFORE_CALL_13|]} [2020-12-01 16:04:22,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:04:22,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1529250056] [2020-12-01 16:04:22,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:04:22,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 13] imperfect sequences [] total 18 [2020-12-01 16:04:22,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257194018] [2020-12-01 16:04:22,353 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-12-01 16:04:22,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 16:04:22,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-12-01 16:04:22,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=82, Unknown=35, NotChecked=182, Total=342 [2020-12-01 16:04:22,354 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand 19 states. [2020-12-01 16:04:36,496 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_old(#valid)| |c_#valid|) (forall ((|v_probe_9_#t~ret38.base_77| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_11| (store |c_#valid| |v_probe_9_#t~ret38.base_77| (_ bv0 1))) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_4 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_4) (_ bv0 1)))) (not (= (select |c_#valid| |v_probe_9_#t~ret38.base_77|) (_ bv0 1))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93 (_ bv0 1)) v_prenex_3) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93) (_ bv0 1))))) (= (select |c_old(#valid)| v_~a9~0.base_101) (_ bv0 1))))))) is different from false [2020-12-01 16:04:38,786 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_#valid| (store |c_old(#valid)| |c_ldv_malloc_#res.base| (_ bv1 1))) (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_10 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|)) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_10) (_ bv0 1)))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_7 (_ bv0 1)) v_prenex_8)) (= (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_7) (_ bv0 1)) (forall ((v_prenex_9 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_9 (_ bv0 1)) v_prenex_8) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_9) (_ bv0 1))))))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((|v_probe_9_#t~ret38.base_77| (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= v_prenex_5 (store |c_old(#valid)| |v_probe_9_#t~ret38.base_77| (_ bv0 1)))) (= (select |c_old(#valid)| |v_probe_9_#t~ret38.base_77|) (_ bv0 1)) (forall ((v_prenex_4 (_ BitVec 32))) (or (= (store v_prenex_6 v_prenex_4 (_ bv0 1)) v_prenex_5) (not (= (select v_prenex_6 v_prenex_4) (_ bv0 1))))) (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (or (exists ((v_~a9~0.base_93 (_ BitVec 32))) (and (not (= (store v_prenex_6 v_~a9~0.base_93 (_ bv0 1)) v_prenex_3)) (= (_ bv0 1) (select v_prenex_6 v_~a9~0.base_93)))) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_14| v_~a9~0.base_101))) (= (store |v_old(#valid)_BEFORE_CALL_14| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3))))))) (= (select |c_old(#valid)| |c_ldv_malloc_#res.base|) (_ bv0 1))) is different from false [2020-12-01 16:04:40,880 WARN L838 $PredicateComparison]: unable to prove that (and (= (store |c_old(#valid)| |c_probe_9_#t~ret38.base| (_ bv1 1)) |c_#valid|) (= (_ bv0 1) (select |c_old(#valid)| |c_probe_9_#t~ret38.base|)) (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_4 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_4) (_ bv0 1)))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93 (_ bv0 1)) v_prenex_3) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93) (_ bv0 1))))) (= (select |c_old(#valid)| v_~a9~0.base_101) (_ bv0 1)))) (= |v_old(#valid)_BEFORE_CALL_11| (store |c_#valid| |c_probe_9_#t~ret38.base| (_ bv0 1)))))) is different from false [2020-12-01 16:04:40,889 WARN L838 $PredicateComparison]: unable to prove that (and (= (store |c_old(#valid)| c_~a9~0.base (_ bv1 1)) |c_#valid|) (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| c_~a9~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_4 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_4) (_ bv0 1)))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93 (_ bv0 1)) v_prenex_3) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93) (_ bv0 1))))) (= (select |c_old(#valid)| v_~a9~0.base_101) (_ bv0 1)))))) (= (select |c_old(#valid)| c_~a9~0.base) (_ bv0 1))) is different from false [2020-12-01 16:04:40,895 WARN L860 $PredicateComparison]: unable to prove that (and (= (store |c_old(#valid)| c_~a9~0.base (_ bv1 1)) |c_#valid|) (forall ((|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| c_~a9~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((v_prenex_4 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_13| v_prenex_4 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_13| v_prenex_4) (_ bv0 1)))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a9~0.base_101 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_~a9~0.base_101 (_ bv0 1)) v_prenex_3)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (= (store |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93 (_ bv0 1)) v_prenex_3) (not (= (select |v_old(#valid)_BEFORE_CALL_13| v_~a9~0.base_93) (_ bv0 1))))) (= (select |c_old(#valid)| v_~a9~0.base_101) (_ bv0 1)))))) (= (select |c_old(#valid)| c_~a9~0.base) (_ bv0 1))) is different from true [2020-12-01 16:04:44,975 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| c_~a9~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_11|) (exists ((v_prenex_2 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_12| v_prenex_2) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_12| v_prenex_2 (_ bv0 1)))))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~a9~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_12| v_~a9~0.base_93) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_12| v_~a9~0.base_93 (_ bv0 1)) v_prenex_1))))))) (= |c_old(#valid)| |c_#valid|)) is different from false [2020-12-01 16:04:55,023 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_12| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_11| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_12| v_prenex_2) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_11| (store |v_old(#valid)_BEFORE_CALL_12| v_prenex_2 (_ bv0 1)))))) (= |v_old(#valid)_BEFORE_CALL_11| |c_#valid|) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (not (= (store |c_old(#valid)| c_~a9~0.base (_ bv0 1)) v_prenex_1)) (forall ((v_~a9~0.base_93 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_12| v_~a9~0.base_93) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_12| v_~a9~0.base_93 (_ bv0 1)) v_prenex_1))))))) (= (store |c_old(#valid)| c_~a9~0.base (_ bv0 1)) |c_#valid|)) is different from false [2020-12-01 16:04:57,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:04:57,161 INFO L93 Difference]: Finished difference Result 47 states and 46 transitions. [2020-12-01 16:04:57,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-01 16:04:57,161 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 28 [2020-12-01 16:04:57,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:04:57,162 INFO L225 Difference]: With dead ends: 47 [2020-12-01 16:04:57,163 INFO L226 Difference]: Without dead ends: 29 [2020-12-01 16:04:57,164 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 13 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 16.7s TimeCoverageRelationStatistics Valid=60, Invalid=94, Unknown=54, NotChecked=442, Total=650 [2020-12-01 16:04:57,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-12-01 16:04:57,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-12-01 16:04:57,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-12-01 16:04:57,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 28 transitions. [2020-12-01 16:04:57,168 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 28 transitions. Word has length 28 [2020-12-01 16:04:57,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:04:57,169 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 28 transitions. [2020-12-01 16:04:57,169 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-12-01 16:04:57,169 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 28 transitions. [2020-12-01 16:04:57,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:04:57,170 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:04:57,170 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:04:57,381 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-12-01 16:04:57,382 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE, disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE]=== [2020-12-01 16:04:57,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:04:57,382 INFO L82 PathProgramCache]: Analyzing trace with hash -1350042568, now seen corresponding path program 1 times [2020-12-01 16:04:57,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 16:04:57,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [534409956] [2020-12-01 16:04:57,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_93ec9ecc-e323-4ab0-a7e0-55ebf905d47a/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 [2020-12-01 16:04:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:04:57,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-01 16:04:57,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:04:57,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:04:57,635 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 16:04:57,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:04:57,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [534409956] [2020-12-01 16:04:57,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:04:57,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-12-01 16:04:57,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720883398] [2020-12-01 16:04:57,791 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-01 16:04:57,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 16:04:57,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-01 16:04:57,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-01 16:04:57,796 INFO L87 Difference]: Start difference. First operand 29 states and 28 transitions. Second operand 8 states. [2020-12-01 16:04:57,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:04:57,803 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2020-12-01 16:04:57,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-01 16:04:57,804 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2020-12-01 16:04:57,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:04:57,805 INFO L225 Difference]: With dead ends: 18 [2020-12-01 16:04:57,805 INFO L226 Difference]: Without dead ends: 0 [2020-12-01 16:04:57,805 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-01 16:04:57,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-01 16:04:57,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-01 16:04:57,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-01 16:04:57,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 16:04:57,806 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2020-12-01 16:04:57,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:04:57,807 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 16:04:57,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-01 16:04:57,807 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-01 16:04:57,807 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:04:58,023 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2020-12-01 16:04:58,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 04:04:58 BoogieIcfgContainer [2020-12-01 16:04:58,028 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 16:04:58,029 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:04:58,029 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:04:58,029 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:04:58,030 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:04:00" (3/4) ... [2020-12-01 16:04:58,033 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:04:58,041 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_submit_msg [2020-12-01 16:04:58,041 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.setCurrentRoundingMode [2020-12-01 16:04:58,041 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_positive [2020-12-01 16:04:58,042 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2020-12-01 16:04:58,042 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2020-12-01 16:04:58,042 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2020-12-01 16:04:58,042 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2020-12-01 16:04:58,042 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_nonpositive [2020-12-01 16:04:58,042 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2020-12-01 16:04:58,043 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_alloc [2020-12-01 16:04:58,043 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init_internal [2020-12-01 16:04:58,043 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_init [2020-12-01 16:04:58,043 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_fill [2020-12-01 16:04:58,043 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_sub [2020-12-01 16:04:58,043 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_add_return [2020-12-01 16:04:58,043 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2020-12-01 16:04:58,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_cleanup [2020-12-01 16:04:58,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2020-12-01 16:04:58,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2020-12-01 16:04:58,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2020-12-01 16:04:58,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2020-12-01 16:04:58,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_set_drvdata [2020-12-01 16:04:58,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_create [2020-12-01 16:04:58,044 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_del [2020-12-01 16:04:58,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_del [2020-12-01 16:04:58,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2020-12-01 16:04:58,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_del [2020-12-01 16:04:58,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_get [2020-12-01 16:04:58,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2020-12-01 16:04:58,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2020-12-01 16:04:58,045 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init [2020-12-01 16:04:58,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_sub_return [2020-12-01 16:04:58,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add_tail [2020-12-01 16:04:58,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2020-12-01 16:04:58,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure entry_point [2020-12-01 16:04:58,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2020-12-01 16:04:58,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_destroy_msgs [2020-12-01 16:04:58,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2020-12-01 16:04:58,047 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2020-12-01 16:04:58,047 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure probe_9 [2020-12-01 16:04:58,047 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_release [2020-12-01 16:04:58,047 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2020-12-01 16:04:58,047 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2020-12-01 16:04:58,047 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2020-12-01 16:04:58,047 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_put [2020-12-01 16:04:58,048 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_get [2020-12-01 16:04:58,048 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_get_drvdata [2020-12-01 16:04:58,048 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure disconnect_9 [2020-12-01 16:04:58,055 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2020-12-01 16:04:58,056 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-12-01 16:04:58,056 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 16:04:58,056 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 16:04:58,057 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:04:58,121 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_93ec9ecc-e323-4ab0-a7e0-55ebf905d47a/bin/uautomizer/witness.graphml [2020-12-01 16:04:58,122 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:04:58,123 INFO L168 Benchmark]: Toolchain (without parser) took 60326.96 ms. Allocated memory was 69.2 MB in the beginning and 186.6 MB in the end (delta: 117.4 MB). Free memory was 51.5 MB in the beginning and 141.6 MB in the end (delta: -90.2 MB). Peak memory consumption was 26.9 MB. Max. memory is 16.1 GB. [2020-12-01 16:04:58,124 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 69.2 MB. Free memory is still 52.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:04:58,125 INFO L168 Benchmark]: CACSL2BoogieTranslator took 867.57 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 51.3 MB in the beginning and 57.9 MB in the end (delta: -6.7 MB). Peak memory consumption was 25.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:04:58,125 INFO L168 Benchmark]: Boogie Preprocessor took 101.06 ms. Allocated memory is still 83.9 MB. Free memory was 57.9 MB in the beginning and 53.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:04:58,126 INFO L168 Benchmark]: RCFGBuilder took 1713.09 ms. Allocated memory is still 83.9 MB. Free memory was 53.3 MB in the beginning and 36.4 MB in the end (delta: 16.9 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:04:58,126 INFO L168 Benchmark]: TraceAbstraction took 57546.64 ms. Allocated memory was 83.9 MB in the beginning and 186.6 MB in the end (delta: 102.8 MB). Free memory was 35.9 MB in the beginning and 146.5 MB in the end (delta: -110.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:04:58,127 INFO L168 Benchmark]: Witness Printer took 93.27 ms. Allocated memory is still 186.6 MB. Free memory was 146.5 MB in the beginning and 141.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:04:58,129 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 69.2 MB. Free memory is still 52.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 867.57 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 51.3 MB in the beginning and 57.9 MB in the end (delta: -6.7 MB). Peak memory consumption was 25.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 101.06 ms. Allocated memory is still 83.9 MB. Free memory was 57.9 MB in the beginning and 53.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1713.09 ms. Allocated memory is still 83.9 MB. Free memory was 53.3 MB in the beginning and 36.4 MB in the end (delta: 16.9 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 57546.64 ms. Allocated memory was 83.9 MB in the beginning and 186.6 MB in the end (delta: 102.8 MB). Free memory was 35.9 MB in the beginning and 146.5 MB in the end (delta: -110.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 93.27 ms. Allocated memory is still 186.6 MB. Free memory was 146.5 MB in the beginning and 141.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 682]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 682]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 744]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 744]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 607]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 588]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 587]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 658]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 658]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 660]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 660]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 702]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 699]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 699]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 700]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 593]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 594]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 593]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 775]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 541]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 623]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 666]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 668]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 578]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 766]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 766]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 766]: free always succeeds For all program executions holds that free always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 74 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 345 locations, 74 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 57.4s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 35.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 233 SDtfs, 114 SDslu, 522 SDs, 0 SdLazy, 262 SolverSat, 35 SolverUnsat, 29 SolverUnknown, 0 SolverNotchecked, 32.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 379 GetRequests, 317 SyntacticMatches, 4 SemanticMatches, 58 ConstructedPredicates, 13 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 17.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 31 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 18.0s InterpolantComputationTime, 185 NumberOfCodeBlocks, 185 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 354 ConstructedInterpolants, 26 QuantifiedInterpolants, 49699 SizeOfPredicates, 7 NumberOfNonLiveVariables, 781 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...