./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7fae8f34-9ca9-47de-99fd-9ca7f05a7d9f/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7fae8f34-9ca9-47de-99fd-9ca7f05a7d9f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7fae8f34-9ca9-47de-99fd-9ca7f05a7d9f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7fae8f34-9ca9-47de-99fd-9ca7f05a7d9f/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i -s /tmp/vcloud-vcloud-master/worker/run_dir_7fae8f34-9ca9-47de-99fd-9ca7f05a7d9f/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7fae8f34-9ca9-47de-99fd-9ca7f05a7d9f/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 ea76204732189107ea57f186f34feef6f7f76c1e .................................................................................................................................. 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_7fae8f34-9ca9-47de-99fd-9ca7f05a7d9f/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7fae8f34-9ca9-47de-99fd-9ca7f05a7d9f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7fae8f34-9ca9-47de-99fd-9ca7f05a7d9f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7fae8f34-9ca9-47de-99fd-9ca7f05a7d9f/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i -s /tmp/vcloud-vcloud-master/worker/run_dir_7fae8f34-9ca9-47de-99fd-9ca7f05a7d9f/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7fae8f34-9ca9-47de-99fd-9ca7f05a7d9f/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 ea76204732189107ea57f186f34feef6f7f76c1e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 20:08:10,542 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:08:10,546 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:08:10,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:08:10,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:08:10,650 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:08:10,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:08:10,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:08:10,675 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:08:10,677 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:08:10,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:08:10,681 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:08:10,682 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:08:10,684 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:08:10,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:08:10,689 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:08:10,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:08:10,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:08:10,696 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:08:10,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:08:10,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:08:10,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:08:10,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:08:10,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:08:10,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:08:10,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:08:10,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:08:10,736 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:08:10,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:08:10,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:08:10,741 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:08:10,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:08:10,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:08:10,749 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:08:10,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:08:10,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:08:10,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:08:10,755 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:08:10,755 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:08:10,757 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:08:10,758 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:08:10,762 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7fae8f34-9ca9-47de-99fd-9ca7f05a7d9f/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-11-29 20:08:10,812 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:08:10,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:08:10,815 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:08:10,815 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:08:10,815 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 20:08:10,816 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:08:10,816 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:08:10,817 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 20:08:10,817 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:08:10,817 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:08:10,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:08:10,818 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-29 20:08:10,818 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-29 20:08:10,819 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-29 20:08:10,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:08:10,819 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-29 20:08:10,820 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:08:10,820 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:08:10,820 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:08:10,821 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 20:08:10,821 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:08:10,821 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 20:08:10,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 20:08:10,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:08:10,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:08:10,823 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 20:08:10,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 20:08:10,824 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 20:08:10,824 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_7fae8f34-9ca9-47de-99fd-9ca7f05a7d9f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7fae8f34-9ca9-47de-99fd-9ca7f05a7d9f/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea76204732189107ea57f186f34feef6f7f76c1e [2020-11-29 20:08:11,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:08:11,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:08:11,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:08:11,283 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:08:11,287 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:08:11,288 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7fae8f34-9ca9-47de-99fd-9ca7f05a7d9f/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i [2020-11-29 20:08:11,392 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7fae8f34-9ca9-47de-99fd-9ca7f05a7d9f/bin/uautomizer/data/3bed8e596/4391ab7d691440649635b6e9a785648f/FLAG7b907bd9e [2020-11-29 20:08:12,281 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:08:12,282 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7fae8f34-9ca9-47de-99fd-9ca7f05a7d9f/sv-benchmarks/c/ldv-memsafety/memleaks_test8.i [2020-11-29 20:08:12,311 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7fae8f34-9ca9-47de-99fd-9ca7f05a7d9f/bin/uautomizer/data/3bed8e596/4391ab7d691440649635b6e9a785648f/FLAG7b907bd9e [2020-11-29 20:08:12,456 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7fae8f34-9ca9-47de-99fd-9ca7f05a7d9f/bin/uautomizer/data/3bed8e596/4391ab7d691440649635b6e9a785648f [2020-11-29 20:08:12,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:08:12,462 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-29 20:08:12,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:08:12,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:08:12,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:08:12,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:08:12" (1/1) ... [2020-11-29 20:08:12,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f3f3248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:08:12, skipping insertion in model container [2020-11-29 20:08:12,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:08:12" (1/1) ... [2020-11-29 20:08:12,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:08:12,537 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:08:13,146 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:08:13,187 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-11-29 20:08:13,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5ad27b0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:08:13, skipping insertion in model container [2020-11-29 20:08:13,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:08:13,190 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-11-29 20:08:13,194 INFO L168 Benchmark]: Toolchain (without parser) took 729.14 ms. Allocated memory is still 109.1 MB. Free memory was 80.6 MB in the beginning and 82.7 MB in the end (delta: -2.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 20:08:13,195 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 109.1 MB. Free memory is still 67.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:08:13,198 INFO L168 Benchmark]: CACSL2BoogieTranslator took 725.68 ms. Allocated memory is still 109.1 MB. Free memory was 80.4 MB in the beginning and 83.0 MB in the end (delta: -2.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 20:08:13,202 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 109.1 MB. Free memory is still 67.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 725.68 ms. Allocated memory is still 109.1 MB. Free memory was 80.4 MB in the beginning and 83.0 MB in the end (delta: -2.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-29 20:08:16,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:08:16,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:08:16,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:08:16,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:08:16,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:08:16,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:08:16,415 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:08:16,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:08:16,419 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:08:16,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:08:16,423 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:08:16,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:08:16,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:08:16,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:08:16,439 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:08:16,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:08:16,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:08:16,449 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:08:16,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:08:16,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:08:16,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:08:16,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:08:16,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:08:16,487 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:08:16,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:08:16,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:08:16,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:08:16,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:08:16,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:08:16,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:08:16,496 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:08:16,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:08:16,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:08:16,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:08:16,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:08:16,503 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:08:16,503 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:08:16,504 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:08:16,506 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:08:16,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:08:16,508 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7fae8f34-9ca9-47de-99fd-9ca7f05a7d9f/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-11-29 20:08:16,553 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:08:16,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:08:16,555 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:08:16,555 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:08:16,556 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 20:08:16,556 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:08:16,556 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:08:16,557 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 20:08:16,557 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:08:16,557 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:08:16,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:08:16,561 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-29 20:08:16,562 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-29 20:08:16,562 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-29 20:08:16,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:08:16,563 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-29 20:08:16,563 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 20:08:16,564 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 20:08:16,564 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:08:16,564 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:08:16,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:08:16,565 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 20:08:16,566 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:08:16,567 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 20:08:16,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 20:08:16,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:08:16,568 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:08:16,568 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 20:08:16,569 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 20:08:16,570 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 20:08:16,570 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 20:08:16,570 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_7fae8f34-9ca9-47de-99fd-9ca7f05a7d9f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7fae8f34-9ca9-47de-99fd-9ca7f05a7d9f/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea76204732189107ea57f186f34feef6f7f76c1e [2020-11-29 20:08:17,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:08:17,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:08:17,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:08:17,241 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:08:17,245 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:08:17,247 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7fae8f34-9ca9-47de-99fd-9ca7f05a7d9f/bin/uautomizer/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i [2020-11-29 20:08:17,362 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7fae8f34-9ca9-47de-99fd-9ca7f05a7d9f/bin/uautomizer/data/14de0b580/8f0e4005388e4938be0b831e67f50266/FLAG96834f94c [2020-11-29 20:08:18,283 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:08:18,284 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7fae8f34-9ca9-47de-99fd-9ca7f05a7d9f/sv-benchmarks/c/ldv-memsafety/memleaks_test8.i [2020-11-29 20:08:18,319 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7fae8f34-9ca9-47de-99fd-9ca7f05a7d9f/bin/uautomizer/data/14de0b580/8f0e4005388e4938be0b831e67f50266/FLAG96834f94c [2020-11-29 20:08:18,405 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7fae8f34-9ca9-47de-99fd-9ca7f05a7d9f/bin/uautomizer/data/14de0b580/8f0e4005388e4938be0b831e67f50266 [2020-11-29 20:08:18,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:08:18,413 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-29 20:08:18,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:08:18,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:08:18,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:08:18,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:08:18" (1/1) ... [2020-11-29 20:08:18,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6761646a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:08:18, skipping insertion in model container [2020-11-29 20:08:18,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:08:18" (1/1) ... [2020-11-29 20:08:18,439 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:08:18,544 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:08:19,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:08:19,232 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-11-29 20:08:19,246 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:08:19,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:08:19,319 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:08:19,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:08:19,634 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:08:19,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:08:19 WrapperNode [2020-11-29 20:08:19,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:08:19,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:08:19,637 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:08:19,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:08:19,649 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:08:19" (1/1) ... [2020-11-29 20:08:19,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:08:19" (1/1) ... [2020-11-29 20:08:19,695 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:08:19" (1/1) ... [2020-11-29 20:08:19,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:08:19" (1/1) ... [2020-11-29 20:08:19,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:08:19" (1/1) ... [2020-11-29 20:08:19,748 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:08:19" (1/1) ... [2020-11-29 20:08:19,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:08:19" (1/1) ... [2020-11-29 20:08:19,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:08:19,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:08:19,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:08:19,774 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:08:19,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:08:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fae8f34-9ca9-47de-99fd-9ca7f05a7d9f/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 20:08:19,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-29 20:08:19,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:08:19,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-11-29 20:08:19,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-11-29 20:08:19,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-11-29 20:08:19,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-11-29 20:08:19,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-11-29 20:08:19,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-11-29 20:08:19,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-11-29 20:08:19,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-11-29 20:08:19,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-11-29 20:08:19,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-11-29 20:08:19,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-11-29 20:08:19,866 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-11-29 20:08:19,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-11-29 20:08:19,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-11-29 20:08:19,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-11-29 20:08:19,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-11-29 20:08:19,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-11-29 20:08:19,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-11-29 20:08:19,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-11-29 20:08:19,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-11-29 20:08:19,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-11-29 20:08:19,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-11-29 20:08:19,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-11-29 20:08:19,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-11-29 20:08:19,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-11-29 20:08:19,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-11-29 20:08:19,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-11-29 20:08:19,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-11-29 20:08:19,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-11-29 20:08:19,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-11-29 20:08:19,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-11-29 20:08:19,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-11-29 20:08:19,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-11-29 20:08:19,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-11-29 20:08:19,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-11-29 20:08:19,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-11-29 20:08:19,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-11-29 20:08:19,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-11-29 20:08:19,872 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-11-29 20:08:19,872 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-11-29 20:08:19,872 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_8 [2020-11-29 20:08:19,873 INFO L138 BoogieDeclarations]: Found implementation of procedure free_8 [2020-11-29 20:08:19,873 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-11-29 20:08:19,873 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-29 20:08:19,873 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-11-29 20:08:19,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-11-29 20:08:19,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-11-29 20:08:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-11-29 20:08:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-11-29 20:08:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-11-29 20:08:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-11-29 20:08:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-11-29 20:08:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-11-29 20:08:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-11-29 20:08:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-11-29 20:08:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-11-29 20:08:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-11-29 20:08:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-11-29 20:08:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-11-29 20:08:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-11-29 20:08:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-11-29 20:08:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-11-29 20:08:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-11-29 20:08:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-11-29 20:08:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-11-29 20:08:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-11-29 20:08:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-11-29 20:08:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-11-29 20:08:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-11-29 20:08:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-11-29 20:08:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-11-29 20:08:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-11-29 20:08:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-11-29 20:08:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-11-29 20:08:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-11-29 20:08:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-11-29 20:08:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-11-29 20:08:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-11-29 20:08:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-11-29 20:08:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-11-29 20:08:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-11-29 20:08:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-11-29 20:08:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-11-29 20:08:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-11-29 20:08:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-11-29 20:08:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-11-29 20:08:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-11-29 20:08:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-11-29 20:08:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-11-29 20:08:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-11-29 20:08:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-11-29 20:08:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-11-29 20:08:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-11-29 20:08:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-11-29 20:08:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-11-29 20:08:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-11-29 20:08:19,885 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-11-29 20:08:19,885 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-11-29 20:08:19,885 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-11-29 20:08:19,885 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-11-29 20:08:19,885 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-11-29 20:08:19,886 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-11-29 20:08:19,886 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-29 20:08:19,886 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-11-29 20:08:19,886 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-11-29 20:08:19,886 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-29 20:08:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-11-29 20:08:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-11-29 20:08:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-11-29 20:08:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-11-29 20:08:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-29 20:08:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-11-29 20:08:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-11-29 20:08:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-11-29 20:08:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-29 20:08:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-11-29 20:08:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-11-29 20:08:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-11-29 20:08:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-11-29 20:08:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-11-29 20:08:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-11-29 20:08:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-11-29 20:08:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-11-29 20:08:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-11-29 20:08:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-11-29 20:08:19,891 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-11-29 20:08:19,891 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-11-29 20:08:19,891 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-11-29 20:08:19,891 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-11-29 20:08:19,891 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-11-29 20:08:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-11-29 20:08:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-11-29 20:08:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-11-29 20:08:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-11-29 20:08:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-11-29 20:08:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-11-29 20:08:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-11-29 20:08:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-11-29 20:08:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-11-29 20:08:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-11-29 20:08:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-11-29 20:08:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-11-29 20:08:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-11-29 20:08:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-11-29 20:08:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-11-29 20:08:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-11-29 20:08:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-11-29 20:08:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-11-29 20:08:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-11-29 20:08:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-11-29 20:08:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-11-29 20:08:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-11-29 20:08:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-11-29 20:08:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-11-29 20:08:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-11-29 20:08:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-29 20:08:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-11-29 20:08:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-11-29 20:08:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-11-29 20:08:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-11-29 20:08:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-11-29 20:08:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-29 20:08:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-11-29 20:08:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-11-29 20:08:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-11-29 20:08:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-29 20:08:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-11-29 20:08:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-11-29 20:08:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-11-29 20:08:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-29 20:08:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-11-29 20:08:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-11-29 20:08:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-11-29 20:08:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-11-29 20:08:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-11-29 20:08:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-11-29 20:08:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 20:08:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-11-29 20:08:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-11-29 20:08:19,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-11-29 20:08:19,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-11-29 20:08:19,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-11-29 20:08:19,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-29 20:08:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-29 20:08:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-11-29 20:08:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-11-29 20:08:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-11-29 20:08:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-11-29 20:08:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-11-29 20:08:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-11-29 20:08:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-11-29 20:08:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-11-29 20:08:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-11-29 20:08:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-11-29 20:08:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-11-29 20:08:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-11-29 20:08:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-11-29 20:08:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-11-29 20:08:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-11-29 20:08:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-11-29 20:08:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-11-29 20:08:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_8 [2020-11-29 20:08:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure free_8 [2020-11-29 20:08:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-11-29 20:08:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-29 20:08:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-29 20:08:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:08:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-29 20:08:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:08:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-11-29 20:08:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-11-29 20:08:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-11-29 20:08:19,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-11-29 20:08:19,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-11-29 20:08:20,904 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-29 20:08:21,593 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-29 20:08:22,192 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:08:22,192 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-29 20:08:22,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:08:22 BoogieIcfgContainer [2020-11-29 20:08:22,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:08:22,199 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 20:08:22,199 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 20:08:22,204 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 20:08:22,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 08:08:18" (1/3) ... [2020-11-29 20:08:22,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68a67f87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 08:08:22, skipping insertion in model container [2020-11-29 20:08:22,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:08:19" (2/3) ... [2020-11-29 20:08:22,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68a67f87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 08:08:22, skipping insertion in model container [2020-11-29 20:08:22,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:08:22" (3/3) ... [2020-11-29 20:08:22,209 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test8.i [2020-11-29 20:08:22,226 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 20:08:22,236 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2020-11-29 20:08:22,254 INFO L253 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2020-11-29 20:08:22,296 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 20:08:22,297 INFO L378 AbstractCegarLoop]: Hoare is false [2020-11-29 20:08:22,297 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 20:08:22,298 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 20:08:22,298 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 20:08:22,299 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 20:08:22,299 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 20:08:22,300 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 20:08:22,326 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2020-11-29 20:08:22,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 20:08:22,345 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:08:22,345 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:08:22,347 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, 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]=== [2020-11-29 20:08:22,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:08:22,357 INFO L82 PathProgramCache]: Analyzing trace with hash 12717103, now seen corresponding path program 1 times [2020-11-29 20:08:22,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 20:08:22,375 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [738781532] [2020-11-29 20:08:22,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fae8f34-9ca9-47de-99fd-9ca7f05a7d9f/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-29 20:08:22,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:08:22,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-29 20:08:22,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:08:22,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:08:22,872 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 20:08:23,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:08:23,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [738781532] [2020-11-29 20:08:23,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:08:23,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-29 20:08:23,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173207141] [2020-11-29 20:08:23,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 20:08:23,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 20:08:23,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 20:08:23,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:08:23,114 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 5 states. [2020-11-29 20:08:23,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:08:23,214 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2020-11-29 20:08:23,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 20:08:23,217 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-11-29 20:08:23,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:08:23,229 INFO L225 Difference]: With dead ends: 32 [2020-11-29 20:08:23,230 INFO L226 Difference]: Without dead ends: 29 [2020-11-29 20:08:23,232 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-29 20:08:23,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-29 20:08:23,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-11-29 20:08:23,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-29 20:08:23,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2020-11-29 20:08:23,288 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 18 [2020-11-29 20:08:23,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:08:23,289 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2020-11-29 20:08:23,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 20:08:23,290 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2020-11-29 20:08:23,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 20:08:23,292 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:08:23,292 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:08:23,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 20:08:23,509 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, 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]=== [2020-11-29 20:08:23,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:08:23,511 INFO L82 PathProgramCache]: Analyzing trace with hash 394230500, now seen corresponding path program 1 times [2020-11-29 20:08:23,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 20:08:23,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1752169628] [2020-11-29 20:08:23,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fae8f34-9ca9-47de-99fd-9ca7f05a7d9f/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-29 20:08:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:08:23,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 20:08:23,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:08:24,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:08:24,080 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 20:08:24,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:08:24,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1752169628] [2020-11-29 20:08:24,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:08:24,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2020-11-29 20:08:24,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612864726] [2020-11-29 20:08:24,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-29 20:08:24,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 20:08:24,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-29 20:08:24,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-11-29 20:08:24,427 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 9 states. [2020-11-29 20:08:24,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:08:24,891 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2020-11-29 20:08:24,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 20:08:24,892 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2020-11-29 20:08:24,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:08:24,894 INFO L225 Difference]: With dead ends: 41 [2020-11-29 20:08:24,894 INFO L226 Difference]: Without dead ends: 41 [2020-11-29 20:08:24,895 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-11-29 20:08:24,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-11-29 20:08:24,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2020-11-29 20:08:24,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-11-29 20:08:24,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 42 transitions. [2020-11-29 20:08:24,914 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 42 transitions. Word has length 19 [2020-11-29 20:08:24,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:08:24,914 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 42 transitions. [2020-11-29 20:08:24,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-29 20:08:24,915 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 42 transitions. [2020-11-29 20:08:24,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 20:08:24,916 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:08:24,917 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] [2020-11-29 20:08:25,130 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-29 20:08:25,132 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, 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]=== [2020-11-29 20:08:25,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:08:25,132 INFO L82 PathProgramCache]: Analyzing trace with hash -663756079, now seen corresponding path program 1 times [2020-11-29 20:08:25,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 20:08:25,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [131380121] [2020-11-29 20:08:25,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fae8f34-9ca9-47de-99fd-9ca7f05a7d9f/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-29 20:08:25,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:08:25,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 20:08:25,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:08:25,536 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-11-29 20:08:25,537 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 20:08:25,542 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:08:25,543 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 20:08:25,543 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-11-29 20:08:25,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:08:25,602 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 20:08:25,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:08:25,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [131380121] [2020-11-29 20:08:25,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:08:25,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-11-29 20:08:25,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398663063] [2020-11-29 20:08:25,804 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 20:08:25,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 20:08:25,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 20:08:25,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:08:25,805 INFO L87 Difference]: Start difference. First operand 40 states and 42 transitions. Second operand 5 states. [2020-11-29 20:08:25,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:08:25,933 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2020-11-29 20:08:25,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 20:08:25,934 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-11-29 20:08:25,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:08:25,939 INFO L225 Difference]: With dead ends: 40 [2020-11-29 20:08:25,941 INFO L226 Difference]: Without dead ends: 40 [2020-11-29 20:08:25,941 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:08:25,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-11-29 20:08:25,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-11-29 20:08:25,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-11-29 20:08:25,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 41 transitions. [2020-11-29 20:08:25,960 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 41 transitions. Word has length 20 [2020-11-29 20:08:25,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:08:25,962 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 41 transitions. [2020-11-29 20:08:25,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 20:08:25,962 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2020-11-29 20:08:25,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 20:08:25,970 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:08:25,970 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] [2020-11-29 20:08:26,185 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-29 20:08:26,190 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, 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]=== [2020-11-29 20:08:26,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:08:26,191 INFO L82 PathProgramCache]: Analyzing trace with hash 1834259858, now seen corresponding path program 1 times [2020-11-29 20:08:26,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 20:08:26,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1568141717] [2020-11-29 20:08:26,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fae8f34-9ca9-47de-99fd-9ca7f05a7d9f/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-29 20:08:26,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:08:26,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 20:08:26,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:08:26,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:08:26,569 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 20:08:26,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:08:26,720 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1568141717] [2020-11-29 20:08:26,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:08:26,721 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2020-11-29 20:08:26,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567321307] [2020-11-29 20:08:26,722 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 20:08:26,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 20:08:26,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 20:08:26,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:08:26,723 INFO L87 Difference]: Start difference. First operand 40 states and 41 transitions. Second operand 5 states. [2020-11-29 20:08:26,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:08:26,807 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2020-11-29 20:08:26,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 20:08:26,808 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-11-29 20:08:26,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:08:26,810 INFO L225 Difference]: With dead ends: 37 [2020-11-29 20:08:26,810 INFO L226 Difference]: Without dead ends: 37 [2020-11-29 20:08:26,811 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 [2020-11-29 20:08:26,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-11-29 20:08:26,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2020-11-29 20:08:26,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-11-29 20:08:26,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2020-11-29 20:08:26,819 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 36 transitions. Word has length 20 [2020-11-29 20:08:26,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:08:26,820 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 36 transitions. [2020-11-29 20:08:26,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 20:08:26,820 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2020-11-29 20:08:26,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 20:08:26,822 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:08:26,822 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:08:27,037 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-29 20:08:27,042 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, 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]=== [2020-11-29 20:08:27,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:08:27,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1534178647, now seen corresponding path program 1 times [2020-11-29 20:08:27,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 20:08:27,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1984082330] [2020-11-29 20:08:27,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fae8f34-9ca9-47de-99fd-9ca7f05a7d9f/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-29 20:08:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:08:27,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-29 20:08:27,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:08:27,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:08:27,345 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 20:08:27,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:08:27,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1984082330] [2020-11-29 20:08:27,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:08:27,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-29 20:08:27,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068717706] [2020-11-29 20:08:27,599 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:08:27,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 20:08:27,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:08:27,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:08:27,601 INFO L87 Difference]: Start difference. First operand 36 states and 36 transitions. Second operand 3 states. [2020-11-29 20:08:27,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:08:27,670 INFO L93 Difference]: Finished difference Result 40 states and 39 transitions. [2020-11-29 20:08:27,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:08:27,671 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-11-29 20:08:27,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:08:27,672 INFO L225 Difference]: With dead ends: 40 [2020-11-29 20:08:27,672 INFO L226 Difference]: Without dead ends: 27 [2020-11-29 20:08:27,673 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:08:27,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-11-29 20:08:27,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-11-29 20:08:27,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-11-29 20:08:27,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2020-11-29 20:08:27,677 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 23 [2020-11-29 20:08:27,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:08:27,678 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2020-11-29 20:08:27,678 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:08:27,678 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2020-11-29 20:08:27,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 20:08:27,679 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:08:27,679 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] [2020-11-29 20:08:27,893 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-29 20:08:27,895 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, free_8Err1ASSERT_VIOLATIONMEMORY_FREE, free_8Err0ASSERT_VIOLATIONMEMORY_FREE, free_8Err2ASSERT_VIOLATIONMEMORY_FREE, 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]=== [2020-11-29 20:08:27,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:08:27,896 INFO L82 PathProgramCache]: Analyzing trace with hash 714098001, now seen corresponding path program 1 times [2020-11-29 20:08:27,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 20:08:27,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [509510431] [2020-11-29 20:08:27,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7fae8f34-9ca9-47de-99fd-9ca7f05a7d9f/bin/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-11-29 20:08:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:08:28,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 18 conjunts are in the unsatisfiable core [2020-11-29 20:08:28,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:08:28,255 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:08:28,256 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 25 [2020-11-29 20:08:28,256 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 20:08:28,278 INFO L625 ElimStorePlain]: treesize reduction 10, result has 60.0 percent of original size [2020-11-29 20:08:28,281 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 20:08:28,285 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-29 20:08:28,285 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:15 [2020-11-29 20:08:28,286 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 20:08:28,307 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 20:08:28,327 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 20:08:28,344 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 20:08:28,533 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2020-11-29 20:08:28,536 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-29 20:08:28,545 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-29 20:08:28,545 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-29 20:08:28,546 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:3 [2020-11-29 20:08:34,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:08:34,839 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 20:08:49,539 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-11-29 20:08:49,570 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2) (_ bv0 1)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (= |v_old(#valid)_BEFORE_CALL_13| |c_#valid|) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_~a8~0.base_77 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77 (_ bv0 1)) v_prenex_1))) (not (= (store |c_old(#valid)| c_~a8~0.base (_ bv0 1)) v_prenex_1)))))) is different from false [2020-11-29 20:08:49,575 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2) (_ bv0 1)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (= |v_old(#valid)_BEFORE_CALL_13| |c_#valid|) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_~a8~0.base_77 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77 (_ bv0 1)) v_prenex_1))) (not (= (store |c_old(#valid)| c_~a8~0.base (_ bv0 1)) v_prenex_1)))))) is different from true [2020-11-29 20:08:49,612 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-11-29 20:08:49,665 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-11-29 20:08:49,680 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2) (_ bv0 1)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_~a8~0.base_77 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77 (_ bv0 1)) v_prenex_1))) (not (= (store |c_old(#valid)| c_~a8~0.base (_ bv0 1)) v_prenex_1)))) (= (store |c_#valid| c_~a8~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) is different from false [2020-11-29 20:08:49,688 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2) (_ bv0 1)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_~a8~0.base_77 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77 (_ bv0 1)) v_prenex_1))) (not (= (store |c_old(#valid)| c_~a8~0.base (_ bv0 1)) v_prenex_1)))) (= (store |c_#valid| c_~a8~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) is different from true [2020-11-29 20:08:49,722 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-11-29 20:08:49,760 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-11-29 20:08:49,789 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_14|]} [2020-11-29 20:08:52,131 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-11-29 20:08:52,155 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_15|]} [2020-11-29 20:08:52,169 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))))) (= (store |c_#valid| c_~a8~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (and (forall ((v_~a8~0.base_77 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77 (_ bv0 1)) v_prenex_3))) (not (= (store |c_old(#valid)| v_~a8~0.base_85 (_ bv0 1)) v_prenex_3)) (= (_ bv0 1) (select |c_old(#valid)| v_~a8~0.base_85)))))) is different from false [2020-11-29 20:08:52,180 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))))) (= (store |c_#valid| c_~a8~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (and (forall ((v_~a8~0.base_77 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77 (_ bv0 1)) v_prenex_3))) (not (= (store |c_old(#valid)| v_~a8~0.base_85 (_ bv0 1)) v_prenex_3)) (= (_ bv0 1) (select |c_old(#valid)| v_~a8~0.base_85)))))) is different from true [2020-11-29 20:08:52,192 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-11-29 20:08:52,200 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_15|]} [2020-11-29 20:08:52,221 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-11-29 20:08:52,230 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_15|]} [2020-11-29 20:08:52,244 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (and (forall ((v_~a8~0.base_77 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77 (_ bv0 1)) v_prenex_3))) (not (= (store |c_old(#valid)| v_~a8~0.base_85 (_ bv0 1)) v_prenex_3)) (= (_ bv0 1) (select |c_old(#valid)| v_~a8~0.base_85)))) (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |c_alloc_8_#t~ret38.base| (_ bv0 1))))) is different from false [2020-11-29 20:08:52,328 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2020-11-29 20:08:52,355 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_15|]} [2020-11-29 20:08:52,366 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_alloc_8_#t~ret38.base_66| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| |v_alloc_8_#t~ret38.base_66| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (exists ((v_prenex_4 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))))) (not (= (_ bv0 1) (select |c_#valid| |v_alloc_8_#t~ret38.base_66|))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (and (forall ((v_~a8~0.base_77 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77 (_ bv0 1)) v_prenex_3))) (not (= (store |c_old(#valid)| v_~a8~0.base_85 (_ bv0 1)) v_prenex_3)) (= (_ bv0 1) (select |c_old(#valid)| v_~a8~0.base_85)))))) is different from false [2020-11-29 20:08:52,379 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_alloc_8_#t~ret38.base_66| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| |v_alloc_8_#t~ret38.base_66| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (exists ((v_prenex_4 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))))) (not (= (_ bv0 1) (select |c_#valid| |v_alloc_8_#t~ret38.base_66|))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (and (forall ((v_~a8~0.base_77 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77 (_ bv0 1)) v_prenex_3))) (not (= (store |c_old(#valid)| v_~a8~0.base_85 (_ bv0 1)) v_prenex_3)) (= (_ bv0 1) (select |c_old(#valid)| v_~a8~0.base_85)))))) is different from true [2020-11-29 20:08:52,420 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-11-29 20:08:52,431 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-11-29 20:08:52,437 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_8, v_prenex_5], 5=[v_prenex_6]} [2020-11-29 20:08:52,447 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_16|, |v_old(#valid)_BEFORE_CALL_15|]} [2020-11-29 20:08:52,479 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_16| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_9) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_9 (_ bv0 1)) v_prenex_8))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| v_prenex_7)) (not (= (store |v_old(#valid)_BEFORE_CALL_16| v_prenex_7 (_ bv0 1)) v_prenex_8)))) (exists ((|v_alloc_8_#t~ret38.base_66| (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (or (exists ((v_~a8~0.base_77 (_ BitVec 32))) (and (= (select v_prenex_6 v_~a8~0.base_77) (_ bv0 1)) (not (= (store v_prenex_6 v_~a8~0.base_77 (_ bv0 1)) v_prenex_3)))) (= (store |v_old(#valid)_BEFORE_CALL_16| v_~a8~0.base_85 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| v_~a8~0.base_85))))) (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_8_#t~ret38.base_66|)) (not (= (store |c_old(#valid)| |v_alloc_8_#t~ret38.base_66| (_ bv0 1)) v_prenex_5)) (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))))))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_10 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_10) (_ bv0 1)))))) is different from false [2020-11-29 20:08:52,491 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_16| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_9) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_9 (_ bv0 1)) v_prenex_8))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| v_prenex_7)) (not (= (store |v_old(#valid)_BEFORE_CALL_16| v_prenex_7 (_ bv0 1)) v_prenex_8)))) (exists ((|v_alloc_8_#t~ret38.base_66| (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (or (exists ((v_~a8~0.base_77 (_ BitVec 32))) (and (= (select v_prenex_6 v_~a8~0.base_77) (_ bv0 1)) (not (= (store v_prenex_6 v_~a8~0.base_77 (_ bv0 1)) v_prenex_3)))) (= (store |v_old(#valid)_BEFORE_CALL_16| v_~a8~0.base_85 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| v_~a8~0.base_85))))) (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_8_#t~ret38.base_66|)) (not (= (store |c_old(#valid)| |v_alloc_8_#t~ret38.base_66| (_ bv0 1)) v_prenex_5)) (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))))))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_10 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_10) (_ bv0 1)))))) is different from true [2020-11-29 20:08:52,538 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-11-29 20:08:52,552 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-11-29 20:08:52,558 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_8, v_prenex_5], 5=[v_prenex_6]} [2020-11-29 20:08:52,567 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_16|, |v_old(#valid)_BEFORE_CALL_15|]} [2020-11-29 20:08:52,654 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-11-29 20:08:52,669 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-11-29 20:08:52,675 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_8, v_prenex_5], 5=[v_prenex_6]} [2020-11-29 20:08:52,684 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_16|, |v_old(#valid)_BEFORE_CALL_15|]} [2020-11-29 20:08:52,717 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ldv_malloc_#res.base_55| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_16| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |v_ldv_malloc_#res.base_55| (_ bv0 1))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_9) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_9 (_ bv0 1)) v_prenex_8))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| v_prenex_7)) (not (= (store |v_old(#valid)_BEFORE_CALL_16| v_prenex_7 (_ bv0 1)) v_prenex_8)))) (not (= (_ bv0 1) (select |c_#valid| |v_ldv_malloc_#res.base_55|))) (exists ((|v_alloc_8_#t~ret38.base_66| (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (or (exists ((v_~a8~0.base_77 (_ BitVec 32))) (and (= (select v_prenex_6 v_~a8~0.base_77) (_ bv0 1)) (not (= (store v_prenex_6 v_~a8~0.base_77 (_ bv0 1)) v_prenex_3)))) (= (store |v_old(#valid)_BEFORE_CALL_16| v_~a8~0.base_85 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| v_~a8~0.base_85))))) (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_8_#t~ret38.base_66|)) (not (= (store |c_old(#valid)| |v_alloc_8_#t~ret38.base_66| (_ bv0 1)) v_prenex_5)) (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))))))) (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_10 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_10) (_ bv0 1)))))) is different from false [2020-11-29 20:08:52,750 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ldv_malloc_#res.base_55| (_ BitVec 32)) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_16| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |v_ldv_malloc_#res.base_55| (_ bv0 1))) (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_9) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_9 (_ bv0 1)) v_prenex_8))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| v_prenex_7)) (not (= (store |v_old(#valid)_BEFORE_CALL_16| v_prenex_7 (_ bv0 1)) v_prenex_8)))) (not (= (_ bv0 1) (select |c_#valid| |v_ldv_malloc_#res.base_55|))) (exists ((|v_alloc_8_#t~ret38.base_66| (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (or (exists ((v_~a8~0.base_77 (_ BitVec 32))) (and (= (select v_prenex_6 v_~a8~0.base_77) (_ bv0 1)) (not (= (store v_prenex_6 v_~a8~0.base_77 (_ bv0 1)) v_prenex_3)))) (= (store |v_old(#valid)_BEFORE_CALL_16| v_~a8~0.base_85 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| v_~a8~0.base_85))))) (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_8_#t~ret38.base_66|)) (not (= (store |c_old(#valid)| |v_alloc_8_#t~ret38.base_66| (_ bv0 1)) v_prenex_5)) (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))))))) (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_10 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_10) (_ bv0 1)))))) is different from true [2020-11-29 20:08:52,796 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-11-29 20:08:52,806 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2020-11-29 20:08:52,811 INFO L441 ElimStorePlain]: Different costs {0=[v_prenex_8, v_prenex_5], 5=[v_prenex_6]} [2020-11-29 20:08:52,819 INFO L441 ElimStorePlain]: Different costs {0=[|v_old(#valid)_BEFORE_CALL_13|], 5=[|v_old(#valid)_BEFORE_CALL_16|, |v_old(#valid)_BEFORE_CALL_15|]} [2020-11-29 20:08:52,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:08:52,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [509510431] [2020-11-29 20:08:52,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:08:52,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 13] imperfect sequences [] total 21 [2020-11-29 20:08:52,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506498758] [2020-11-29 20:08:52,870 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-11-29 20:08:52,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 20:08:52,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-11-29 20:08:52,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=133, Unknown=42, NotChecked=224, Total=462 [2020-11-29 20:08:52,872 INFO L87 Difference]: Start difference. First operand 27 states and 26 transitions. Second operand 22 states. [2020-11-29 20:09:16,597 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_#valid| (store |c_old(#valid)| |c_ldv_malloc_#res.base| (_ bv1 1))) (= (select |c_old(#valid)| |c_ldv_malloc_#res.base|) (_ bv0 1)) (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_16| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_8 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_7 (_ BitVec 32))) (and (forall ((v_prenex_9 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_9) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_9 (_ bv0 1)) v_prenex_8))) (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| v_prenex_7)) (not (= (store |v_old(#valid)_BEFORE_CALL_16| v_prenex_7 (_ bv0 1)) v_prenex_8)))) (exists ((|v_alloc_8_#t~ret38.base_66| (_ BitVec 32)) (v_prenex_5 (Array (_ BitVec 32) (_ BitVec 1))) (v_prenex_6 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (or (exists ((v_~a8~0.base_77 (_ BitVec 32))) (and (= (select v_prenex_6 v_~a8~0.base_77) (_ bv0 1)) (not (= (store v_prenex_6 v_~a8~0.base_77 (_ bv0 1)) v_prenex_3)))) (= (store |v_old(#valid)_BEFORE_CALL_16| v_~a8~0.base_85 (_ bv0 1)) v_prenex_3) (not (= (_ bv0 1) (select |v_old(#valid)_BEFORE_CALL_16| v_~a8~0.base_85))))) (= (_ bv0 1) (select |c_old(#valid)| |v_alloc_8_#t~ret38.base_66|)) (not (= (store |c_old(#valid)| |v_alloc_8_#t~ret38.base_66| (_ bv0 1)) v_prenex_5)) (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))))))) (= (store |c_#valid| |c_ldv_malloc_#res.base| (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (exists ((v_prenex_10 (_ BitVec 32))) (and (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_10 (_ bv0 1)))) (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_10) (_ bv0 1))))))) is different from false [2020-11-29 20:09:16,610 WARN L838 $PredicateComparison]: unable to prove that (and (= (select |c_old(#valid)| |c_alloc_8_#t~ret38.base|) (_ bv0 1)) (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (and (forall ((v_~a8~0.base_77 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77 (_ bv0 1)) v_prenex_3))) (not (= (store |c_old(#valid)| v_~a8~0.base_85 (_ bv0 1)) v_prenex_3)) (= (_ bv0 1) (select |c_old(#valid)| v_~a8~0.base_85)))) (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |c_alloc_8_#t~ret38.base| (_ bv0 1))))) (= (store |c_old(#valid)| |c_alloc_8_#t~ret38.base| (_ bv1 1)) |c_#valid|)) is different from false [2020-11-29 20:09:16,615 WARN L860 $PredicateComparison]: unable to prove that (and (= (select |c_old(#valid)| |c_alloc_8_#t~ret38.base|) (_ bv0 1)) (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))))) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (and (forall ((v_~a8~0.base_77 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77 (_ bv0 1)) v_prenex_3))) (not (= (store |c_old(#valid)| v_~a8~0.base_85 (_ bv0 1)) v_prenex_3)) (= (_ bv0 1) (select |c_old(#valid)| v_~a8~0.base_85)))) (= |v_old(#valid)_BEFORE_CALL_13| (store |c_#valid| |c_alloc_8_#t~ret38.base| (_ bv0 1))))) (= (store |c_old(#valid)| |c_alloc_8_#t~ret38.base| (_ bv1 1)) |c_#valid|)) is different from true [2020-11-29 20:09:16,623 WARN L838 $PredicateComparison]: unable to prove that (and (= (select |c_old(#valid)| c_~a8~0.base) (_ bv0 1)) (= (store |c_old(#valid)| c_~a8~0.base (_ bv1 1)) |c_#valid|) (forall ((|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_15| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_4 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_15| v_prenex_4) (_ bv0 1)) (not (= |v_old(#valid)_BEFORE_CALL_13| (store |v_old(#valid)_BEFORE_CALL_15| v_prenex_4 (_ bv0 1)))))) (= (store |c_#valid| c_~a8~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|) (exists ((v_prenex_3 (Array (_ BitVec 32) (_ BitVec 1))) (v_~a8~0.base_85 (_ BitVec 32))) (and (forall ((v_~a8~0.base_77 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_15| v_~a8~0.base_77 (_ bv0 1)) v_prenex_3))) (not (= (store |c_old(#valid)| v_~a8~0.base_85 (_ bv0 1)) v_prenex_3)) (= (_ bv0 1) (select |c_old(#valid)| v_~a8~0.base_85))))))) is different from false [2020-11-29 20:09:24,675 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2) (_ bv0 1)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_~a8~0.base_77 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77 (_ bv0 1)) v_prenex_1))) (not (= (store |c_old(#valid)| c_~a8~0.base (_ bv0 1)) v_prenex_1)))) (= (store |c_#valid| c_~a8~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) (= |c_old(#valid)| |c_#valid|) (exists ((|~#ldv_global_msg_list~0.base| (_ BitVec 32))) (= (_ bv1 1) (select |c_old(#valid)| |~#ldv_global_msg_list~0.base|)))) is different from false [2020-11-29 20:09:24,682 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2) (_ bv0 1)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_~a8~0.base_77 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77 (_ bv0 1)) v_prenex_1))) (not (= (store |c_old(#valid)| c_~a8~0.base (_ bv0 1)) v_prenex_1)))) (= (store |c_#valid| c_~a8~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|))) (= |c_old(#valid)| |c_#valid|)) is different from false [2020-11-29 20:09:24,693 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_old(#valid)_BEFORE_CALL_14| (Array (_ BitVec 32) (_ BitVec 1))) (|v_old(#valid)_BEFORE_CALL_13| (Array (_ BitVec 32) (_ BitVec 1)))) (or (exists ((v_prenex_2 (_ BitVec 32))) (and (= (select |v_old(#valid)_BEFORE_CALL_14| v_prenex_2) (_ bv0 1)) (not (= (store |v_old(#valid)_BEFORE_CALL_14| v_prenex_2 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_13|)))) (= |v_old(#valid)_BEFORE_CALL_13| |c_#valid|) (exists ((v_prenex_1 (Array (_ BitVec 32) (_ BitVec 1)))) (and (forall ((v_~a8~0.base_77 (_ BitVec 32))) (or (not (= (select |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77) (_ bv0 1))) (= (store |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77 (_ bv0 1)) v_prenex_1))) (not (= (store |c_old(#valid)| c_~a8~0.base (_ bv0 1)) v_prenex_1)))))) (= (store |c_old(#valid)| c_~a8~0.base (_ bv0 1)) |c_#valid|)) is different from false [2020-11-29 20:09:24,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:09:24,728 INFO L93 Difference]: Finished difference Result 26 states and 25 transitions. [2020-11-29 20:09:24,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-29 20:09:24,729 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 26 [2020-11-29 20:09:24,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:09:24,730 INFO L225 Difference]: With dead ends: 26 [2020-11-29 20:09:24,730 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 20:09:24,731 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 29 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 13 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 23.6s TimeCoverageRelationStatistics Valid=89, Invalid=162, Unknown=73, NotChecked=546, Total=870 [2020-11-29 20:09:24,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 20:09:24,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 20:09:24,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 20:09:24,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 20:09:24,732 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-11-29 20:09:24,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:09:24,732 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:09:24,732 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-11-29 20:09:24,732 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 20:09:24,732 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 20:09:24,938 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-29 20:09:24,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 08:09:24 BoogieIcfgContainer [2020-11-29 20:09:24,943 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 20:09:24,944 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:09:24,944 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:09:24,945 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:09:24,945 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:08:22" (3/4) ... [2020-11-29 20:09:24,949 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 20:09:24,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_submit_msg [2020-11-29 20:09:24,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.setCurrentRoundingMode [2020-11-29 20:09:24,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_positive [2020-11-29 20:09:24,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure alloc_8 [2020-11-29 20:09:24,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2020-11-29 20:09:24,956 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2020-11-29 20:09:24,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2020-11-29 20:09:24,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2020-11-29 20:09:24,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_nonpositive [2020-11-29 20:09:24,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2020-11-29 20:09:24,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_alloc [2020-11-29 20:09:24,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init_internal [2020-11-29 20:09:24,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_init [2020-11-29 20:09:24,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure free_8 [2020-11-29 20:09:24,958 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_fill [2020-11-29 20:09:24,958 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_sub [2020-11-29 20:09:24,958 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_add_return [2020-11-29 20:09:24,958 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2020-11-29 20:09:24,958 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_cleanup [2020-11-29 20:09:24,958 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2020-11-29 20:09:24,959 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2020-11-29 20:09:24,959 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2020-11-29 20:09:24,959 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2020-11-29 20:09:24,959 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_set_drvdata [2020-11-29 20:09:24,959 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_create [2020-11-29 20:09:24,960 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_del [2020-11-29 20:09:24,960 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_del [2020-11-29 20:09:24,960 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2020-11-29 20:09:24,960 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_del [2020-11-29 20:09:24,960 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_get [2020-11-29 20:09:24,961 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2020-11-29 20:09:24,961 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2020-11-29 20:09:24,961 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_init [2020-11-29 20:09:24,961 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_atomic_sub_return [2020-11-29 20:09:24,961 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add_tail [2020-11-29 20:09:24,961 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2020-11-29 20:09:24,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure entry_point [2020-11-29 20:09:24,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_list_add [2020-11-29 20:09:24,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_destroy_msgs [2020-11-29 20:09:24,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2020-11-29 20:09:24,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2020-11-29 20:09:24,963 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_release [2020-11-29 20:09:24,963 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2020-11-29 20:09:24,963 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2020-11-29 20:09:24,963 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2020-11-29 20:09:24,963 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kref_put [2020-11-29 20:09:24,964 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_get [2020-11-29 20:09:24,964 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_dev_get_drvdata [2020-11-29 20:09:24,973 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2020-11-29 20:09:24,974 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-29 20:09:24,974 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 20:09:24,975 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 20:09:24,975 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:09:25,060 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7fae8f34-9ca9-47de-99fd-9ca7f05a7d9f/bin/uautomizer/witness.graphml [2020-11-29 20:09:25,064 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:09:25,066 INFO L168 Benchmark]: Toolchain (without parser) took 66652.75 ms. Allocated memory was 60.8 MB in the beginning and 151.0 MB in the end (delta: 90.2 MB). Free memory was 39.7 MB in the beginning and 66.9 MB in the end (delta: -27.2 MB). Peak memory consumption was 64.0 MB. Max. memory is 16.1 GB. [2020-11-29 20:09:25,067 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 60.8 MB. Free memory is still 42.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:09:25,068 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1220.15 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 39.5 MB in the beginning and 50.4 MB in the end (delta: -10.9 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2020-11-29 20:09:25,069 INFO L168 Benchmark]: Boogie Preprocessor took 135.47 ms. Allocated memory is still 79.7 MB. Free memory was 50.4 MB in the beginning and 45.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 20:09:25,069 INFO L168 Benchmark]: RCFGBuilder took 2423.06 ms. Allocated memory was 79.7 MB in the beginning and 100.7 MB in the end (delta: 21.0 MB). Free memory was 45.8 MB in the beginning and 69.0 MB in the end (delta: -23.2 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. [2020-11-29 20:09:25,070 INFO L168 Benchmark]: TraceAbstraction took 62744.73 ms. Allocated memory was 100.7 MB in the beginning and 151.0 MB in the end (delta: 50.3 MB). Free memory was 68.3 MB in the beginning and 72.0 MB in the end (delta: -3.6 MB). Peak memory consumption was 48.5 MB. Max. memory is 16.1 GB. [2020-11-29 20:09:25,070 INFO L168 Benchmark]: Witness Printer took 120.29 ms. Allocated memory is still 151.0 MB. Free memory was 72.0 MB in the beginning and 66.9 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 20:09:25,073 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 60.8 MB. Free memory is still 42.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1220.15 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 39.5 MB in the beginning and 50.4 MB in the end (delta: -10.9 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 135.47 ms. Allocated memory is still 79.7 MB. Free memory was 50.4 MB in the beginning and 45.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2423.06 ms. Allocated memory was 79.7 MB in the beginning and 100.7 MB in the end (delta: 21.0 MB). Free memory was 45.8 MB in the beginning and 69.0 MB in the end (delta: -23.2 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 62744.73 ms. Allocated memory was 100.7 MB in the beginning and 151.0 MB in the end (delta: 50.3 MB). Free memory was 68.3 MB in the beginning and 72.0 MB in the end (delta: -3.6 MB). Peak memory consumption was 48.5 MB. Max. memory is 16.1 GB. * Witness Printer took 120.29 ms. Allocated memory is still 151.0 MB. Free memory was 72.0 MB in the beginning and 66.9 MB in the end (delta: 5.1 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: 762]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 762]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 762]: free always succeeds For all program executions holds that free 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: 769]: 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 - AllSpecificationsHoldResult: All specifications hold 74 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 343 locations, 74 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 62.6s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 32.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 152 SDtfs, 96 SDslu, 246 SDs, 0 SdLazy, 197 SolverSat, 43 SolverUnsat, 28 SolverUnknown, 0 SolverNotchecked, 31.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 262 GetRequests, 204 SyntacticMatches, 5 SemanticMatches, 53 ConstructedPredicates, 13 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 24.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred 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, 6 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 26.3s InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 240 ConstructedInterpolants, 28 QuantifiedInterpolants, 42660 SizeOfPredicates, 10 NumberOfNonLiveVariables, 570 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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...