./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 ca8443f02e84c43442a8563176ea0a68cc82ac31 ............................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 ca8443f02e84c43442a8563176ea0a68cc82ac31 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:00:03,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:00:03,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:00:03,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:00:03,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:00:03,636 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:00:03,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:00:03,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:00:03,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:00:03,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:00:03,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:00:03,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:00:03,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:00:03,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:00:03,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:00:03,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:00:03,655 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:00:03,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:00:03,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:00:03,672 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:00:03,674 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:00:03,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:00:03,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:00:03,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:00:03,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:00:03,679 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:00:03,679 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:00:03,680 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:00:03,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:00:03,681 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:00:03,682 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:00:03,682 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:00:03,683 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:00:03,684 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:00:03,685 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:00:03,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:00:03,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:00:03,686 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:00:03,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:00:03,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:00:03,688 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:00:03,689 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-20 06:00:03,710 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:00:03,710 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:00:03,712 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:00:03,712 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:00:03,712 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:00:03,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:00:03,713 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 06:00:03,713 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:00:03,713 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:00:03,714 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 06:00:03,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:00:03,714 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:00:03,714 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:00:03,715 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:00:03,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:00:03,715 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:00:03,715 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 06:00:03,716 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:00:03,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:00:03,716 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:00:03,716 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:00:03,717 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:00:03,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:00:03,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:00:03,718 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:00:03,718 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:00:03,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:00:03,718 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:00:03,719 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> ca8443f02e84c43442a8563176ea0a68cc82ac31 [2020-10-20 06:00:03,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:00:03,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:00:03,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:00:03,973 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:00:03,973 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:00:03,974 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2020-10-20 06:00:04,042 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7160f54d/da70d23db2cf4f30bf8842a3a36cd39b/FLAG65696ebcf [2020-10-20 06:00:04,575 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:00:04,576 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2020-10-20 06:00:04,591 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7160f54d/da70d23db2cf4f30bf8842a3a36cd39b/FLAG65696ebcf [2020-10-20 06:00:04,915 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7160f54d/da70d23db2cf4f30bf8842a3a36cd39b [2020-10-20 06:00:04,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:00:04,924 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:00:04,925 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:00:04,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:00:04,929 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:00:04,930 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:00:04" (1/1) ... [2020-10-20 06:00:04,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78d9716d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:04, skipping insertion in model container [2020-10-20 06:00:04,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:00:04" (1/1) ... [2020-10-20 06:00:04,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:00:05,008 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:00:05,517 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:00:05,545 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) [2020-10-20 06:00:05,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5eeec29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:05, skipping insertion in model container [2020-10-20 06:00:05,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:00:05,547 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:00:05,550 INFO L168 Benchmark]: Toolchain (without parser) took 628.88 ms. Allocated memory was 35.7 MB in the beginning and 45.6 MB in the end (delta: 10.0 MB). Free memory was 13.3 MB in the beginning and 22.5 MB in the end (delta: -9.2 MB). Peak memory consumption was 12.8 MB. Max. memory is 14.3 GB. [2020-10-20 06:00:05,552 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 34.1 MB. Free memory was 9.7 MB in the beginning and 9.7 MB in the end (delta: 42.1 kB). Peak memory consumption was 42.1 kB. Max. memory is 14.3 GB. [2020-10-20 06:00:05,554 INFO L168 Benchmark]: CACSL2BoogieTranslator took 621.90 ms. Allocated memory was 35.7 MB in the beginning and 45.6 MB in the end (delta: 10.0 MB). Free memory was 12.4 MB in the beginning and 22.6 MB in the end (delta: -10.2 MB). Peak memory consumption was 11.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:00:05,557 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 34.1 MB. Free memory was 9.7 MB in the beginning and 9.7 MB in the end (delta: 42.1 kB). Peak memory consumption was 42.1 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 621.90 ms. Allocated memory was 35.7 MB in the beginning and 45.6 MB in the end (delta: 10.0 MB). Free memory was 12.4 MB in the beginning and 22.6 MB in the end (delta: -10.2 MB). Peak memory consumption was 11.9 MB. Max. memory is 14.3 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 0.1.25-9a8b2e8 [2020-10-20 06:00:07,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:00:07,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:00:07,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:00:07,433 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:00:07,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:00:07,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:00:07,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:00:07,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:00:07,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:00:07,440 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:00:07,441 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:00:07,441 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:00:07,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:00:07,443 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:00:07,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:00:07,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:00:07,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:00:07,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:00:07,449 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:00:07,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:00:07,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:00:07,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:00:07,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:00:07,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:00:07,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:00:07,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:00:07,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:00:07,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:00:07,466 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:00:07,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:00:07,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:00:07,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:00:07,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:00:07,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:00:07,471 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:00:07,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:00:07,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:00:07,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:00:07,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:00:07,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:00:07,476 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-20 06:00:07,516 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:00:07,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:00:07,518 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:00:07,518 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:00:07,518 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:00:07,519 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:00:07,519 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 06:00:07,519 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:00:07,519 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:00:07,520 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 06:00:07,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:00:07,521 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:00:07,521 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:00:07,522 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:00:07,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:00:07,522 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:00:07,523 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 06:00:07,523 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 06:00:07,523 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 06:00:07,523 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:00:07,524 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:00:07,524 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:00:07,524 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:00:07,525 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:00:07,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:00:07,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:00:07,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:00:07,526 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 06:00:07,526 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 06:00:07,526 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:00:07,527 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 06:00:07,527 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> ca8443f02e84c43442a8563176ea0a68cc82ac31 [2020-10-20 06:00:07,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:00:07,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:00:07,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:00:07,759 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:00:07,760 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:00:07,761 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2020-10-20 06:00:07,827 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dac25b08b/4bac1617a8994d8ea690a70f22515a3f/FLAGd505d93bf [2020-10-20 06:00:08,376 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:00:08,377 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test1-2.i [2020-10-20 06:00:08,397 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dac25b08b/4bac1617a8994d8ea690a70f22515a3f/FLAGd505d93bf [2020-10-20 06:00:08,642 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dac25b08b/4bac1617a8994d8ea690a70f22515a3f [2020-10-20 06:00:08,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:00:08,653 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:00:08,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:00:08,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:00:08,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:00:08,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:00:08" (1/1) ... [2020-10-20 06:00:08,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dcc723d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:08, skipping insertion in model container [2020-10-20 06:00:08,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:00:08" (1/1) ... [2020-10-20 06:00:08,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:00:08,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:00:09,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:00:09,243 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-10-20 06:00:09,250 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:00:09,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:00:09,335 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:00:09,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:00:09,532 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:00:09,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:09 WrapperNode [2020-10-20 06:00:09,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:00:09,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:00:09,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:00:09,535 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:00:09,549 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:09" (1/1) ... [2020-10-20 06:00:09,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:09" (1/1) ... [2020-10-20 06:00:09,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:09" (1/1) ... [2020-10-20 06:00:09,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:09" (1/1) ... [2020-10-20 06:00:09,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:09" (1/1) ... [2020-10-20 06:00:09,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:09" (1/1) ... [2020-10-20 06:00:09,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:09" (1/1) ... [2020-10-20 06:00:09,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:00:09,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:00:09,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:00:09,641 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:00:09,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 06:00:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-20 06:00:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:00:09,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-20 06:00:09,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-10-20 06:00:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-20 06:00:09,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-20 06:00:09,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-20 06:00:09,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-20 06:00:09,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-20 06:00:09,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-10-20 06:00:09,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-10-20 06:00:09,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-20 06:00:09,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-20 06:00:09,715 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-10-20 06:00:09,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-10-20 06:00:09,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-10-20 06:00:09,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-10-20 06:00:09,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-10-20 06:00:09,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-10-20 06:00:09,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-10-20 06:00:09,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-10-20 06:00:09,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-10-20 06:00:09,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-10-20 06:00:09,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-10-20 06:00:09,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-10-20 06:00:09,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-10-20 06:00:09,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-10-20 06:00:09,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-10-20 06:00:09,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-10-20 06:00:09,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-10-20 06:00:09,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-10-20 06:00:09,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-10-20 06:00:09,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-10-20 06:00:09,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-10-20 06:00:09,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-10-20 06:00:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-10-20 06:00:09,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-10-20 06:00:09,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-10-20 06:00:09,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-10-20 06:00:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-10-20 06:00:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-10-20 06:00:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-10-20 06:00:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-10-20 06:00:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-20 06:00:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-20 06:00:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-20 06:00:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-20 06:00:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-20 06:00:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-20 06:00:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-20 06:00:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-20 06:00:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-20 06:00:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-20 06:00:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-20 06:00:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-20 06:00:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-20 06:00:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-20 06:00:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-20 06:00:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-20 06:00:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-20 06:00:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-20 06:00:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-20 06:00:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-20 06:00:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-20 06:00:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-20 06:00:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-20 06:00:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-20 06:00:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-20 06:00:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-20 06:00:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-20 06:00:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-20 06:00:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-20 06:00:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-20 06:00:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-20 06:00:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-20 06:00:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-20 06:00:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-20 06:00:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-20 06:00:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-20 06:00:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-20 06:00:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-20 06:00:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-20 06:00:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-20 06:00:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-20 06:00:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-20 06:00:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-20 06:00:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-20 06:00:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-20 06:00:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-20 06:00:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-20 06:00:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-20 06:00:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-20 06:00:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-20 06:00:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-20 06:00:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-20 06:00:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-20 06:00:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-20 06:00:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-20 06:00:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-20 06:00:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-20 06:00:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-20 06:00:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-20 06:00:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-20 06:00:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-20 06:00:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-20 06:00:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-20 06:00:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-20 06:00:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-20 06:00:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-20 06:00:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-20 06:00:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-20 06:00:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-20 06:00:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-20 06:00:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-20 06:00:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-20 06:00:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-20 06:00:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-20 06:00:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-20 06:00:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-20 06:00:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-20 06:00:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-20 06:00:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-20 06:00:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-20 06:00:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-20 06:00:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-20 06:00:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-20 06:00:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-20 06:00:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-20 06:00:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-20 06:00:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-20 06:00:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-20 06:00:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-20 06:00:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-20 06:00:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-20 06:00:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-20 06:00:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-20 06:00:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-20 06:00:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-20 06:00:09,755 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-20 06:00:09,755 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-20 06:00:09,756 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-20 06:00:09,756 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-20 06:00:09,756 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-20 06:00:09,756 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-20 06:00:09,756 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-20 06:00:09,756 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-20 06:00:09,757 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-20 06:00:09,757 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-20 06:00:09,757 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-20 06:00:09,757 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-20 06:00:09,757 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-20 06:00:09,758 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-20 06:00:09,758 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-20 06:00:09,758 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-20 06:00:09,758 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-20 06:00:09,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-20 06:00:09,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-10-20 06:00:09,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-10-20 06:00:09,759 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-20 06:00:09,759 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-20 06:00:09,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-20 06:00:09,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-20 06:00:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-20 06:00:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-20 06:00:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-10-20 06:00:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-20 06:00:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-10-20 06:00:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-10-20 06:00:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-10-20 06:00:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-20 06:00:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-10-20 06:00:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-10-20 06:00:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-10-20 06:00:09,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-10-20 06:00:09,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-20 06:00:09,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-10-20 06:00:09,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 06:00:09,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-10-20 06:00:09,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-10-20 06:00:09,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-10-20 06:00:09,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-10-20 06:00:09,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-10-20 06:00:09,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 06:00:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 06:00:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-10-20 06:00:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-10-20 06:00:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-20 06:00:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-10-20 06:00:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-10-20 06:00:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-10-20 06:00:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-10-20 06:00:09,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-10-20 06:00:09,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-10-20 06:00:09,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-10-20 06:00:09,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-10-20 06:00:09,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-10-20 06:00:09,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-10-20 06:00:09,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-10-20 06:00:09,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-20 06:00:09,768 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-10-20 06:00:09,768 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-10-20 06:00:09,768 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-10-20 06:00:09,768 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-20 06:00:09,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-20 06:00:09,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:00:09,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-20 06:00:09,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:00:09,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-10-20 06:00:09,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-10-20 06:00:09,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-10-20 06:00:09,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-20 06:00:09,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-20 06:00:10,420 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:00:10,784 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:00:11,087 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:00:11,087 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-20 06:00:11,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:00:11 BoogieIcfgContainer [2020-10-20 06:00:11,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:00:11,092 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 06:00:11,092 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 06:00:11,096 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 06:00:11,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:00:08" (1/3) ... [2020-10-20 06:00:11,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@607ae13b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:00:11, skipping insertion in model container [2020-10-20 06:00:11,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:00:09" (2/3) ... [2020-10-20 06:00:11,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@607ae13b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:00:11, skipping insertion in model container [2020-10-20 06:00:11,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:00:11" (3/3) ... [2020-10-20 06:00:11,100 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test1-2.i [2020-10-20 06:00:11,114 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 06:00:11,122 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 77 error locations. [2020-10-20 06:00:11,141 INFO L253 AbstractCegarLoop]: Starting to check reachability of 77 error locations. [2020-10-20 06:00:11,164 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 06:00:11,164 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-20 06:00:11,164 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 06:00:11,164 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:00:11,165 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:00:11,165 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 06:00:11,165 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:00:11,165 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 06:00:11,182 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states. [2020-10-20 06:00:11,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-20 06:00:11,192 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:00:11,193 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:00:11,193 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:00:11,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:00:11,199 INFO L82 PathProgramCache]: Analyzing trace with hash 158552258, now seen corresponding path program 1 times [2020-10-20 06:00:11,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:00:11,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [513628241] [2020-10-20 06:00:11,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 06:00:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:00:11,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 06:00:11,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:00:11,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:00:11,497 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:00:11,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:00:11,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [513628241] [2020-10-20 06:00:11,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:00:11,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-10-20 06:00:11,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632278632] [2020-10-20 06:00:11,588 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 06:00:11,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:00:11,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 06:00:11,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:00:11,610 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 5 states. [2020-10-20 06:00:11,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:00:11,651 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2020-10-20 06:00:11,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 06:00:11,654 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-20 06:00:11,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:00:11,676 INFO L225 Difference]: With dead ends: 29 [2020-10-20 06:00:11,676 INFO L226 Difference]: Without dead ends: 26 [2020-10-20 06:00:11,680 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:00:11,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-10-20 06:00:11,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2020-10-20 06:00:11,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-10-20 06:00:11,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2020-10-20 06:00:11,729 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 13 [2020-10-20 06:00:11,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:00:11,730 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2020-10-20 06:00:11,730 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 06:00:11,730 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2020-10-20 06:00:11,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-20 06:00:11,731 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:00:11,731 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:00:11,943 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 06:00:11,945 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:00:11,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:00:11,946 INFO L82 PathProgramCache]: Analyzing trace with hash 620153091, now seen corresponding path program 1 times [2020-10-20 06:00:11,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:00:11,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [536450865] [2020-10-20 06:00:11,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 06:00:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:00:12,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-20 06:00:12,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:00:12,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:00:12,182 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:00:12,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:00:12,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [536450865] [2020-10-20 06:00:12,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:00:12,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8 [2020-10-20 06:00:12,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673315769] [2020-10-20 06:00:12,287 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-20 06:00:12,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:00:12,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-20 06:00:12,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-20 06:00:12,288 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 9 states. [2020-10-20 06:00:12,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:00:12,467 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2020-10-20 06:00:12,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 06:00:12,468 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2020-10-20 06:00:12,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:00:12,471 INFO L225 Difference]: With dead ends: 35 [2020-10-20 06:00:12,471 INFO L226 Difference]: Without dead ends: 35 [2020-10-20 06:00:12,472 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-20 06:00:12,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-20 06:00:12,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 24. [2020-10-20 06:00:12,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-20 06:00:12,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2020-10-20 06:00:12,481 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 14 [2020-10-20 06:00:12,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:00:12,482 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2020-10-20 06:00:12,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-20 06:00:12,482 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2020-10-20 06:00:12,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-20 06:00:12,483 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:00:12,483 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:00:12,692 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 06:00:12,694 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:00:12,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:00:12,695 INFO L82 PathProgramCache]: Analyzing trace with hash 2044877028, now seen corresponding path program 1 times [2020-10-20 06:00:12,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:00:12,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [79673112] [2020-10-20 06:00:12,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 06:00:12,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:00:12,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 06:00:12,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:00:12,924 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 [2020-10-20 06:00:12,925 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:00:12,931 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:00:12,931 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:00:12,931 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-10-20 06:00:12,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:00:12,955 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:00:13,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:00:13,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [79673112] [2020-10-20 06:00:13,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:00:13,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-10-20 06:00:13,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651827597] [2020-10-20 06:00:13,013 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 06:00:13,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:00:13,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 06:00:13,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:00:13,014 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 5 states. [2020-10-20 06:00:13,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:00:13,060 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2020-10-20 06:00:13,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 06:00:13,061 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-20 06:00:13,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:00:13,062 INFO L225 Difference]: With dead ends: 30 [2020-10-20 06:00:13,062 INFO L226 Difference]: Without dead ends: 30 [2020-10-20 06:00:13,062 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:00:13,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-20 06:00:13,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-10-20 06:00:13,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-20 06:00:13,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2020-10-20 06:00:13,068 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 15 [2020-10-20 06:00:13,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:00:13,068 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2020-10-20 06:00:13,069 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 06:00:13,069 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2020-10-20 06:00:13,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-20 06:00:13,070 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:00:13,070 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:00:13,280 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-20 06:00:13,281 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:00:13,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:00:13,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1362586587, now seen corresponding path program 1 times [2020-10-20 06:00:13,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:00:13,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [942528761] [2020-10-20 06:00:13,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 06:00:13,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:00:13,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 06:00:13,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:00:13,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:00:13,509 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:00:13,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:00:13,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [942528761] [2020-10-20 06:00:13,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:00:13,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-10-20 06:00:13,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97688085] [2020-10-20 06:00:13,536 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 06:00:13,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:00:13,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 06:00:13,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:00:13,536 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand 5 states. [2020-10-20 06:00:13,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:00:13,571 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2020-10-20 06:00:13,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 06:00:13,571 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-20 06:00:13,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:00:13,572 INFO L225 Difference]: With dead ends: 34 [2020-10-20 06:00:13,573 INFO L226 Difference]: Without dead ends: 34 [2020-10-20 06:00:13,573 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:00:13,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-20 06:00:13,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-10-20 06:00:13,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-20 06:00:13,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2020-10-20 06:00:13,578 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 15 [2020-10-20 06:00:13,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:00:13,578 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2020-10-20 06:00:13,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 06:00:13,579 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2020-10-20 06:00:13,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-20 06:00:13,579 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:00:13,579 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:00:13,796 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-20 06:00:13,797 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr3ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr4ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr5ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-20 06:00:13,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:00:13,797 INFO L82 PathProgramCache]: Analyzing trace with hash -884195001, now seen corresponding path program 1 times [2020-10-20 06:00:13,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:00:13,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [69497744] [2020-10-20 06:00:13,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 06:00:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:00:13,906 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:00:13,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:00:13,927 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:00:13,951 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-20 06:00:13,952 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 06:00:14,152 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-10-20 06:00:14,174 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2020-10-20 06:00:14,175 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2020-10-20 06:00:14,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:00:14 BoogieIcfgContainer [2020-10-20 06:00:14,186 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 06:00:14,187 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:00:14,187 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:00:14,187 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:00:14,188 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:00:11" (3/4) ... [2020-10-20 06:00:14,190 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-20 06:00:14,203 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2020-10-20 06:00:14,204 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2020-10-20 06:00:14,268 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 06:00:14,269 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:00:14,273 INFO L168 Benchmark]: Toolchain (without parser) took 5622.38 ms. Allocated memory was 35.1 MB in the beginning and 86.5 MB in the end (delta: 51.4 MB). Free memory was 12.5 MB in the beginning and 60.1 MB in the end (delta: -47.6 MB). Peak memory consumption was 3.8 MB. Max. memory is 14.3 GB. [2020-10-20 06:00:14,274 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 33.0 MB. Free memory was 8.8 MB in the beginning and 8.7 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. [2020-10-20 06:00:14,275 INFO L168 Benchmark]: CACSL2BoogieTranslator took 878.26 ms. Allocated memory was 35.1 MB in the beginning and 46.1 MB in the end (delta: 11.0 MB). Free memory was 11.6 MB in the beginning and 18.5 MB in the end (delta: -6.9 MB). Peak memory consumption was 13.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:00:14,281 INFO L168 Benchmark]: Boogie Preprocessor took 105.41 ms. Allocated memory is still 46.1 MB. Free memory was 18.5 MB in the beginning and 13.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:00:14,282 INFO L168 Benchmark]: RCFGBuilder took 1449.59 ms. Allocated memory was 46.1 MB in the beginning and 56.1 MB in the end (delta: 10.0 MB). Free memory was 13.5 MB in the beginning and 26.9 MB in the end (delta: -13.4 MB). Peak memory consumption was 13.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:00:14,282 INFO L168 Benchmark]: TraceAbstraction took 3094.65 ms. Allocated memory was 56.1 MB in the beginning and 86.5 MB in the end (delta: 30.4 MB). Free memory was 26.0 MB in the beginning and 62.6 MB in the end (delta: -36.6 MB). Peak memory consumption was 30.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:00:14,283 INFO L168 Benchmark]: Witness Printer took 81.83 ms. Allocated memory is still 86.5 MB. Free memory was 62.6 MB in the beginning and 60.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:00:14,291 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 33.0 MB. Free memory was 8.8 MB in the beginning and 8.7 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 878.26 ms. Allocated memory was 35.1 MB in the beginning and 46.1 MB in the end (delta: 11.0 MB). Free memory was 11.6 MB in the beginning and 18.5 MB in the end (delta: -6.9 MB). Peak memory consumption was 13.3 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 105.41 ms. Allocated memory is still 46.1 MB. Free memory was 18.5 MB in the beginning and 13.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1449.59 ms. Allocated memory was 46.1 MB in the beginning and 56.1 MB in the end (delta: 10.0 MB). Free memory was 13.5 MB in the beginning and 26.9 MB in the end (delta: -13.4 MB). Peak memory consumption was 13.2 MB. Max. memory is 14.3 GB. * TraceAbstraction took 3094.65 ms. Allocated memory was 56.1 MB in the beginning and 86.5 MB in the end (delta: 30.4 MB). Free memory was 26.0 MB in the beginning and 62.6 MB in the end (delta: -36.6 MB). Peak memory consumption was 30.3 MB. Max. memory is 14.3 GB. * Witness Printer took 81.83 ms. Allocated memory is still 86.5 MB. Free memory was 62.6 MB in the beginning and 60.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 760]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={3:0}] [L763] CALL entry_point() VAL [ldv_global_msg_list={3:0}] [L758] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={3:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [\old(size)=4, \result={1:0}, ldv_global_msg_list={3:0}, malloc(size)={1:0}, size=4] [L758] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={3:0}, ldv_malloc(sizeof(int))={1:0}] [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L759] free(p) VAL [ldv_global_msg_list={3:0}, p={1:0}] [L759] free(p) VAL [ldv_global_msg_list={3:0}, p={1:0}] [L759] free(p) [L760] free(p) VAL [ldv_global_msg_list={3:0}, p={1:0}] [L760] free(p) VAL [ldv_global_msg_list={3:0}, p={1:0}] [L760] free(p) VAL [ldv_global_msg_list={3:0}, p={1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 341 locations, 77 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 92 SDtfs, 53 SDslu, 224 SDs, 0 SdLazy, 152 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred 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, 4 MinimizatonAttempts, 13 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 3433 SizeOfPredicates, 4 NumberOfNonLiveVariables, 257 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 incorrect! Received shutdown request...