./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version c9c8a757 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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_test4-1.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 eb6bcc62184a60bbcb9e0528a455aeb84b21f101 ............................................................................................................................ 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 -Xmx12G -Xms1G -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_test4-1.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 eb6bcc62184a60bbcb9e0528a455aeb84b21f101 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.24-c9c8a75 [2019-11-28 10:03:47,525 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 10:03:47,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 10:03:47,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 10:03:47,541 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 10:03:47,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 10:03:47,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 10:03:47,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 10:03:47,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 10:03:47,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 10:03:47,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 10:03:47,551 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 10:03:47,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 10:03:47,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 10:03:47,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 10:03:47,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 10:03:47,556 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 10:03:47,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 10:03:47,559 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 10:03:47,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 10:03:47,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 10:03:47,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 10:03:47,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 10:03:47,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 10:03:47,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 10:03:47,574 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 10:03:47,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 10:03:47,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 10:03:47,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 10:03:47,580 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 10:03:47,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 10:03:47,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 10:03:47,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 10:03:47,585 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 10:03:47,587 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 10:03:47,589 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 10:03:47,590 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 10:03:47,591 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 10:03:47,591 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 10:03:47,592 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 10:03:47,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 10:03:47,598 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 10:03:47,620 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 10:03:47,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 10:03:47,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 10:03:47,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 10:03:47,623 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 10:03:47,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 10:03:47,624 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 10:03:47,624 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 10:03:47,624 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 10:03:47,624 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 10:03:47,626 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 10:03:47,626 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 10:03:47,626 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 10:03:47,627 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 10:03:47,627 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 10:03:47,627 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 10:03:47,628 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 10:03:47,628 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 10:03:47,628 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 10:03:47,629 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 10:03:47,629 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 10:03:47,629 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 10:03:47,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 10:03:47,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 10:03:47,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 10:03:47,631 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 10:03:47,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 10:03:47,631 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 -> eb6bcc62184a60bbcb9e0528a455aeb84b21f101 [2019-11-28 10:03:47,950 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 10:03:47,965 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 10:03:47,970 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 10:03:47,972 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 10:03:47,972 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 10:03:47,973 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test4-1.i [2019-11-28 10:03:48,053 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93caefc7d/e615b9fa8a174904801f07896e9579d6/FLAG5559ecff1 [2019-11-28 10:03:48,594 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 10:03:48,595 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test4-1.i [2019-11-28 10:03:48,615 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93caefc7d/e615b9fa8a174904801f07896e9579d6/FLAG5559ecff1 [2019-11-28 10:03:48,893 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93caefc7d/e615b9fa8a174904801f07896e9579d6 [2019-11-28 10:03:48,897 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 10:03:48,898 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 10:03:48,900 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 10:03:48,900 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 10:03:48,903 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 10:03:48,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:03:48" (1/1) ... [2019-11-28 10:03:48,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32f325c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:48, skipping insertion in model container [2019-11-28 10:03:48,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:03:48" (1/1) ... [2019-11-28 10:03:48,914 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 10:03:48,992 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 10:03:49,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 10:03:49,516 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) [2019-11-28 10:03:49,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@30f2fac0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:49, skipping insertion in model container [2019-11-28 10:03:49,517 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 10:03:49,518 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-28 10:03:49,520 INFO L168 Benchmark]: Toolchain (without parser) took 620.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -130.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-28 10:03:49,521 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 10:03:49,523 INFO L168 Benchmark]: CACSL2BoogieTranslator took 617.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -135.7 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2019-11-28 10:03:49,525 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 617.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -135.7 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 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 0.1.24-c9c8a75 [2019-11-28 10:03:51,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 10:03:51,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 10:03:51,299 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 10:03:51,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 10:03:51,302 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 10:03:51,304 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 10:03:51,315 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 10:03:51,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 10:03:51,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 10:03:51,326 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 10:03:51,328 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 10:03:51,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 10:03:51,330 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 10:03:51,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 10:03:51,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 10:03:51,335 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 10:03:51,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 10:03:51,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 10:03:51,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 10:03:51,347 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 10:03:51,352 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 10:03:51,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 10:03:51,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 10:03:51,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 10:03:51,358 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 10:03:51,358 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 10:03:51,359 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 10:03:51,359 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 10:03:51,360 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 10:03:51,361 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 10:03:51,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 10:03:51,362 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 10:03:51,363 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 10:03:51,364 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 10:03:51,364 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 10:03:51,365 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 10:03:51,365 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 10:03:51,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 10:03:51,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 10:03:51,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 10:03:51,368 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-28 10:03:51,382 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 10:03:51,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 10:03:51,384 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 10:03:51,384 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 10:03:51,384 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 10:03:51,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 10:03:51,385 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 10:03:51,385 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 10:03:51,385 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 10:03:51,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 10:03:51,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 10:03:51,386 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 10:03:51,386 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 10:03:51,387 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 10:03:51,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 10:03:51,387 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 10:03:51,388 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 10:03:51,388 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 10:03:51,388 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 10:03:51,388 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 10:03:51,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 10:03:51,389 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 10:03:51,389 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 10:03:51,389 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 10:03:51,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 10:03:51,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 10:03:51,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 10:03:51,391 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 10:03:51,391 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 10:03:51,391 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 10:03:51,391 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 -> eb6bcc62184a60bbcb9e0528a455aeb84b21f101 [2019-11-28 10:03:51,733 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 10:03:51,745 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 10:03:51,749 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 10:03:51,750 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 10:03:51,751 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 10:03:51,752 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test4-1.i [2019-11-28 10:03:51,805 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19860fe39/a50406ce73b046d1a46c9bc6f6f53d87/FLAG2389c8e61 [2019-11-28 10:03:52,317 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 10:03:52,318 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test4-1.i [2019-11-28 10:03:52,345 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19860fe39/a50406ce73b046d1a46c9bc6f6f53d87/FLAG2389c8e61 [2019-11-28 10:03:52,624 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19860fe39/a50406ce73b046d1a46c9bc6f6f53d87 [2019-11-28 10:03:52,627 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 10:03:52,629 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 10:03:52,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 10:03:52,630 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 10:03:52,634 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 10:03:52,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:03:52" (1/1) ... [2019-11-28 10:03:52,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20e4080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:52, skipping insertion in model container [2019-11-28 10:03:52,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:03:52" (1/1) ... [2019-11-28 10:03:52,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 10:03:52,694 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 10:03:53,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 10:03:53,239 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-28 10:03:53,253 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 10:03:53,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 10:03:53,327 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 10:03:53,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 10:03:53,474 INFO L208 MainTranslator]: Completed translation [2019-11-28 10:03:53,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:53 WrapperNode [2019-11-28 10:03:53,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 10:03:53,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 10:03:53,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 10:03:53,476 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 10:03:53,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:53" (1/1) ... [2019-11-28 10:03:53,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:53" (1/1) ... [2019-11-28 10:03:53,519 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:53" (1/1) ... [2019-11-28 10:03:53,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:53" (1/1) ... [2019-11-28 10:03:53,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:53" (1/1) ... [2019-11-28 10:03:53,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:53" (1/1) ... [2019-11-28 10:03:53,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:53" (1/1) ... [2019-11-28 10:03:53,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 10:03:53,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 10:03:53,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 10:03:53,591 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 10:03:53,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:53" (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 [2019-11-28 10:03:53,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 10:03:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 10:03:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-28 10:03:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 10:03:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-28 10:03:53,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-28 10:03:53,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-28 10:03:53,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-28 10:03:53,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-28 10:03:53,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-28 10:03:53,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-28 10:03:53,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-28 10:03:53,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-28 10:03:53,657 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-28 10:03:53,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-28 10:03:53,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-28 10:03:53,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-28 10:03:53,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-28 10:03:53,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-28 10:03:53,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-28 10:03:53,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-28 10:03:53,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-28 10:03:53,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-28 10:03:53,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-28 10:03:53,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-28 10:03:53,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-28 10:03:53,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-28 10:03:53,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-28 10:03:53,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-28 10:03:53,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-28 10:03:53,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-28 10:03:53,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-28 10:03:53,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-28 10:03:53,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-28 10:03:53,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-28 10:03:53,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-28 10:03:53,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-28 10:03:53,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-28 10:03:53,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-28 10:03:53,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-28 10:03:53,662 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-28 10:03:53,663 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-28 10:03:53,663 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-28 10:03:53,663 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 10:03:53,664 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-28 10:03:53,664 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-28 10:03:53,664 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-28 10:03:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-28 10:03:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-28 10:03:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-28 10:03:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-28 10:03:53,665 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-28 10:03:53,665 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-28 10:03:53,665 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-28 10:03:53,665 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-28 10:03:53,665 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-28 10:03:53,666 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-28 10:03:53,666 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-28 10:03:53,666 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-28 10:03:53,666 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-28 10:03:53,666 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-28 10:03:53,666 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-28 10:03:53,666 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-28 10:03:53,667 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-28 10:03:53,667 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-28 10:03:53,667 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-28 10:03:53,667 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-28 10:03:53,668 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-28 10:03:53,668 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-28 10:03:53,668 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-28 10:03:53,670 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-28 10:03:53,670 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-28 10:03:53,670 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-28 10:03:53,670 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-28 10:03:53,670 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-28 10:03:53,670 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-28 10:03:53,670 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-28 10:03:53,670 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-28 10:03:53,670 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-28 10:03:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-28 10:03:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-28 10:03:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-28 10:03:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-28 10:03:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-28 10:03:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-28 10:03:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-28 10:03:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-28 10:03:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-28 10:03:53,672 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-28 10:03:53,672 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-28 10:03:53,672 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-28 10:03:53,672 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-28 10:03:53,672 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-28 10:03:53,672 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-28 10:03:53,672 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-28 10:03:53,672 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-28 10:03:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-28 10:03:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-28 10:03:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-28 10:03:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-28 10:03:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-28 10:03:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-28 10:03:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-28 10:03:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-28 10:03:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-28 10:03:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-28 10:03:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-28 10:03:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-28 10:03:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-28 10:03:53,675 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-28 10:03:53,675 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-28 10:03:53,675 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-28 10:03:53,675 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-28 10:03:53,675 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-28 10:03:53,675 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-28 10:03:53,675 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-28 10:03:53,676 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-28 10:03:53,676 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-28 10:03:53,676 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-28 10:03:53,676 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-28 10:03:53,677 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-28 10:03:53,677 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-28 10:03:53,677 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-28 10:03:53,677 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-28 10:03:53,677 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-28 10:03:53,678 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-28 10:03:53,678 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-28 10:03:53,682 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-28 10:03:53,682 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-28 10:03:53,682 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-28 10:03:53,682 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-28 10:03:53,682 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-28 10:03:53,683 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-28 10:03:53,683 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-28 10:03:53,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-28 10:03:53,683 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-28 10:03:53,684 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-28 10:03:53,684 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-28 10:03:53,684 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-28 10:03:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-28 10:03:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-28 10:03:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-28 10:03:53,692 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-28 10:03:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-28 10:03:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-28 10:03:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-28 10:03:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-28 10:03:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-28 10:03:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-28 10:03:53,695 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-28 10:03:53,695 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-28 10:03:53,695 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-28 10:03:53,696 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-28 10:03:53,696 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-28 10:03:53,696 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-28 10:03:53,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 10:03:53,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-28 10:03:53,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-28 10:03:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-28 10:03:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-28 10:03:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-28 10:03:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 10:03:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-28 10:03:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-28 10:03:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-28 10:03:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-28 10:03:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-28 10:03:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-28 10:03:53,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-28 10:03:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-28 10:03:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-28 10:03:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-28 10:03:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-28 10:03:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-28 10:03:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-28 10:03:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-28 10:03:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 10:03:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-28 10:03:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-28 10:03:53,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-28 10:03:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-28 10:03:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-28 10:03:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 10:03:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 10:03:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-28 10:03:53,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-28 10:03:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-28 10:03:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-28 10:03:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-28 10:03:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-28 10:03:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-28 10:03:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-28 10:03:53,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-28 10:03:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-28 10:03:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-28 10:03:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-28 10:03:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-28 10:03:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-28 10:03:53,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-28 10:03:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-28 10:03:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-28 10:03:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-28 10:03:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 10:03:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 10:03:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 10:03:53,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-28 10:03:53,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 10:03:53,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-28 10:03:53,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-28 10:03:53,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-28 10:03:53,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-28 10:03:53,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-28 10:03:54,324 WARN L757 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 10:03:54,714 WARN L757 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 10:03:55,085 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 10:03:55,085 INFO L297 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-28 10:03:55,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:03:55 BoogieIcfgContainer [2019-11-28 10:03:55,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 10:03:55,091 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 10:03:55,091 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 10:03:55,095 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 10:03:55,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 10:03:52" (1/3) ... [2019-11-28 10:03:55,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ad2af63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:03:55, skipping insertion in model container [2019-11-28 10:03:55,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:03:53" (2/3) ... [2019-11-28 10:03:55,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ad2af63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:03:55, skipping insertion in model container [2019-11-28 10:03:55,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:03:55" (3/3) ... [2019-11-28 10:03:55,100 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test4-1.i [2019-11-28 10:03:55,111 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 10:03:55,122 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-11-28 10:03:55,136 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-11-28 10:03:55,161 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 10:03:55,161 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 10:03:55,161 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 10:03:55,162 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 10:03:55,162 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 10:03:55,162 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 10:03:55,162 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 10:03:55,162 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 10:03:55,187 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2019-11-28 10:03:55,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-28 10:03:55,202 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:55,203 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:55,204 INFO L410 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_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:55,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:55,211 INFO L82 PathProgramCache]: Analyzing trace with hash 927863930, now seen corresponding path program 1 times [2019-11-28 10:03:55,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:55,225 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1575209392] [2019-11-28 10:03:55,225 INFO L94 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 [2019-11-28 10:03:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:55,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 10:03:55,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:55,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 10:03:55,526 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:55,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 10:03:55,627 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1575209392] [2019-11-28 10:03:55,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:55,628 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-28 10:03:55,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174431751] [2019-11-28 10:03:55,634 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 10:03:55,635 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:55,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 10:03:55,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 10:03:55,653 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 5 states. [2019-11-28 10:03:55,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:55,695 INFO L93 Difference]: Finished difference Result 42 states and 47 transitions. [2019-11-28 10:03:55,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 10:03:55,697 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-28 10:03:55,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:55,707 INFO L225 Difference]: With dead ends: 42 [2019-11-28 10:03:55,707 INFO L226 Difference]: Without dead ends: 39 [2019-11-28 10:03:55,709 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 10:03:55,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-11-28 10:03:55,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 29. [2019-11-28 10:03:55,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-28 10:03:55,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2019-11-28 10:03:55,755 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 16 [2019-11-28 10:03:55,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:55,755 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2019-11-28 10:03:55,755 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 10:03:55,756 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2019-11-28 10:03:55,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-28 10:03:55,757 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:55,757 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:55,968 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 10:03:55,970 INFO L410 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_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:55,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:55,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1624293031, now seen corresponding path program 1 times [2019-11-28 10:03:55,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:55,972 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [378103599] [2019-11-28 10:03:55,972 INFO L94 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 [2019-11-28 10:03:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:56,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 10:03:56,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:56,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 10:03:56,158 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:56,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 10:03:56,228 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [378103599] [2019-11-28 10:03:56,228 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:56,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-28 10:03:56,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535105938] [2019-11-28 10:03:56,231 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 10:03:56,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:56,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 10:03:56,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 10:03:56,232 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand 3 states. [2019-11-28 10:03:56,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:56,284 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2019-11-28 10:03:56,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 10:03:56,285 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-11-28 10:03:56,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:56,286 INFO L225 Difference]: With dead ends: 40 [2019-11-28 10:03:56,286 INFO L226 Difference]: Without dead ends: 37 [2019-11-28 10:03:56,287 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 10:03:56,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-11-28 10:03:56,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 25. [2019-11-28 10:03:56,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-28 10:03:56,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2019-11-28 10:03:56,297 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 16 [2019-11-28 10:03:56,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:56,298 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2019-11-28 10:03:56,298 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 10:03:56,298 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2019-11-28 10:03:56,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-28 10:03:56,299 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:56,299 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:56,519 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-28 10:03:56,520 INFO L410 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_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:56,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:56,521 INFO L82 PathProgramCache]: Analyzing trace with hash -1911181477, now seen corresponding path program 1 times [2019-11-28 10:03:56,522 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:56,523 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [574844667] [2019-11-28 10:03:56,523 INFO L94 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 [2019-11-28 10:03:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:56,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 10:03:56,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:56,692 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-28 10:03:56,692 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:56,731 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-28 10:03:56,731 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [574844667] [2019-11-28 10:03:56,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:56,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-28 10:03:56,732 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245191439] [2019-11-28 10:03:56,733 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 10:03:56,733 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:56,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 10:03:56,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 10:03:56,733 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand 5 states. [2019-11-28 10:03:56,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:56,745 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2019-11-28 10:03:56,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 10:03:56,773 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2019-11-28 10:03:56,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:56,773 INFO L225 Difference]: With dead ends: 24 [2019-11-28 10:03:56,774 INFO L226 Difference]: Without dead ends: 24 [2019-11-28 10:03:56,774 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 10:03:56,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-11-28 10:03:56,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-11-28 10:03:56,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-28 10:03:56,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2019-11-28 10:03:56,779 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 20 [2019-11-28 10:03:56,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:56,783 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2019-11-28 10:03:56,783 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 10:03:56,783 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2019-11-28 10:03:56,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-28 10:03:56,784 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:56,784 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:56,995 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-28 10:03:56,996 INFO L410 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_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:56,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:56,999 INFO L82 PathProgramCache]: Analyzing trace with hash 882916751, now seen corresponding path program 1 times [2019-11-28 10:03:56,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:57,000 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1516285367] [2019-11-28 10:03:57,000 INFO L94 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 [2019-11-28 10:03:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:57,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 10:03:57,129 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:57,298 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 10:03:57,301 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:57,426 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-28 10:03:57,426 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1516285367] [2019-11-28 10:03:57,427 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:57,427 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 4] imperfect sequences [] total 9 [2019-11-28 10:03:57,427 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015817170] [2019-11-28 10:03:57,428 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-28 10:03:57,428 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:57,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-28 10:03:57,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2019-11-28 10:03:57,429 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 10 states. [2019-11-28 10:03:57,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:57,685 INFO L93 Difference]: Finished difference Result 38 states and 42 transitions. [2019-11-28 10:03:57,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-28 10:03:57,688 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 21 [2019-11-28 10:03:57,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:57,689 INFO L225 Difference]: With dead ends: 38 [2019-11-28 10:03:57,689 INFO L226 Difference]: Without dead ends: 38 [2019-11-28 10:03:57,689 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2019-11-28 10:03:57,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-11-28 10:03:57,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 23. [2019-11-28 10:03:57,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-11-28 10:03:57,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2019-11-28 10:03:57,695 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 21 [2019-11-28 10:03:57,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:57,695 INFO L462 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2019-11-28 10:03:57,695 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-28 10:03:57,695 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2019-11-28 10:03:57,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-28 10:03:57,696 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:57,696 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:57,905 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-28 10:03:57,907 INFO L410 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_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:57,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:57,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1600615901, now seen corresponding path program 1 times [2019-11-28 10:03:57,908 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:57,908 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [858234091] [2019-11-28 10:03:57,909 INFO L94 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 [2019-11-28 10:03:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:58,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 10:03:58,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:58,055 INFO L377 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 [2019-11-28 10:03:58,056 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-28 10:03:58,061 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 10:03:58,062 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 10:03:58,062 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-28 10:03:58,088 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-28 10:03:58,089 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:58,135 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-28 10:03:58,136 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [858234091] [2019-11-28 10:03:58,136 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:58,136 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-28 10:03:58,136 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782532410] [2019-11-28 10:03:58,137 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 10:03:58,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:58,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 10:03:58,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 10:03:58,137 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 5 states. [2019-11-28 10:03:58,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:58,194 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2019-11-28 10:03:58,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 10:03:58,195 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-28 10:03:58,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:58,196 INFO L225 Difference]: With dead ends: 29 [2019-11-28 10:03:58,196 INFO L226 Difference]: Without dead ends: 29 [2019-11-28 10:03:58,197 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 10:03:58,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-28 10:03:58,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-11-28 10:03:58,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-28 10:03:58,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2019-11-28 10:03:58,202 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 22 [2019-11-28 10:03:58,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:58,202 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2019-11-28 10:03:58,202 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 10:03:58,202 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2019-11-28 10:03:58,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-28 10:03:58,203 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:58,204 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:58,412 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-28 10:03:58,412 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:58,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:58,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1806847714, now seen corresponding path program 1 times [2019-11-28 10:03:58,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:58,413 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1232940641] [2019-11-28 10:03:58,414 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-11-28 10:03:58,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 10:03:58,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 10:03:58,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 10:03:58,539 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-28 10:03:58,540 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 10:03:58,568 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-28 10:03:58,568 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1232940641] [2019-11-28 10:03:58,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 10:03:58,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-28 10:03:58,569 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546894386] [2019-11-28 10:03:58,569 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 10:03:58,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 10:03:58,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 10:03:58,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 10:03:58,570 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand 5 states. [2019-11-28 10:03:58,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 10:03:58,593 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2019-11-28 10:03:58,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 10:03:58,594 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-28 10:03:58,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 10:03:58,596 INFO L225 Difference]: With dead ends: 30 [2019-11-28 10:03:58,596 INFO L226 Difference]: Without dead ends: 30 [2019-11-28 10:03:58,597 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 10:03:58,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-28 10:03:58,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 22. [2019-11-28 10:03:58,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-28 10:03:58,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2019-11-28 10:03:58,600 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 22 [2019-11-28 10:03:58,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 10:03:58,600 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2019-11-28 10:03:58,600 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 10:03:58,600 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2019-11-28 10:03:58,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-28 10:03:58,603 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 10:03:58,603 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 10:03:58,809 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-28 10:03:58,810 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, entry_pointErr2ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr1ASSERT_VIOLATIONMEMORY_FREE, entry_pointErr0ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2019-11-28 10:03:58,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 10:03:58,811 INFO L82 PathProgramCache]: Analyzing trace with hash 1221784944, now seen corresponding path program 1 times [2019-11-28 10:03:58,811 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 10:03:58,812 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [499729789] [2019-11-28 10:03:58,812 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-11-28 10:03:58,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 10:03:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 10:03:59,019 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-28 10:03:59,019 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 10:03:59,220 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-11-28 10:03:59,235 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-11-28 10:03:59,247 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 3bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2019-11-28 10:03:59,247 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# [2019-11-28 10:03:59,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 10:03:59 BoogieIcfgContainer [2019-11-28 10:03:59,270 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 10:03:59,270 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 10:03:59,271 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 10:03:59,273 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 10:03:59,274 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:03:55" (3/4) ... [2019-11-28 10:03:59,278 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 10:03:59,278 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 10:03:59,281 INFO L168 Benchmark]: Toolchain (without parser) took 6650.78 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 223.3 MB). Free memory was 952.3 MB in the beginning and 966.3 MB in the end (delta: -13.9 MB). Peak memory consumption was 209.4 MB. Max. memory is 11.5 GB. [2019-11-28 10:03:59,282 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 10:03:59,283 INFO L168 Benchmark]: CACSL2BoogieTranslator took 845.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -145.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 10:03:59,283 INFO L168 Benchmark]: Boogie Preprocessor took 114.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 10:03:59,284 INFO L168 Benchmark]: RCFGBuilder took 1497.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 976.5 MB in the end (delta: 114.2 MB). Peak memory consumption was 114.2 MB. Max. memory is 11.5 GB. [2019-11-28 10:03:59,285 INFO L168 Benchmark]: TraceAbstraction took 4179.15 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 80.7 MB). Free memory was 976.5 MB in the beginning and 966.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 91.0 MB. Max. memory is 11.5 GB. [2019-11-28 10:03:59,285 INFO L168 Benchmark]: Witness Printer took 7.59 ms. Allocated memory is still 1.3 GB. Free memory is still 966.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 10:03:59,293 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 845.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -145.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 114.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1497.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 976.5 MB in the end (delta: 114.2 MB). Peak memory consumption was 114.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4179.15 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 80.7 MB). Free memory was 976.5 MB in the beginning and 966.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 91.0 MB. Max. memory is 11.5 GB. * Witness Printer took 7.59 ms. Allocated memory is still 1.3 GB. Free memory is still 966.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 3bv32 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# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 764]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 764. Possible 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={-2147483641:0}] [L765] CALL entry_point() VAL [ldv_global_msg_list={-2147483641:0}] [L758] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={-2147483641:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [\old(size)=4, \result={-2147483643:0}, ldv_global_msg_list={-2147483641:0}, malloc(size)={-2147483643:0}, size=4] [L758] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={-2147483641:0}, ldv_malloc(sizeof(int))={-2147483643:0}] [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L759] COND TRUE \read(*p) VAL [ldv_global_msg_list={-2147483641:0}, p={-2147483643:0}] [L760] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={-2147483641:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [\old(size)=4, \result={5:0}, ldv_global_msg_list={-2147483641:0}, malloc(size)={5:0}, size=4] [L760] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={-2147483641:0}, ldv_malloc(sizeof(int))={5:0}, p={-2147483643:0}] [L760] int *q = (int *)ldv_malloc(sizeof(int)); [L761] free(q) VAL [ldv_global_msg_list={-2147483641:0}, p={-2147483643:0}, q={5:0}] [L761] free(q) VAL [ldv_global_msg_list={-2147483641:0}, p={-2147483643:0}, q={5:0}] [L761] free(q) [L765] RET entry_point() VAL [ldv_global_msg_list={-2147483641:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 338 locations, 74 error locations. Result: UNSAFE, OverallTime: 4.0s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 59 SDslu, 343 SDs, 0 SdLazy, 165 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 228 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 45 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 222 ConstructedInterpolants, 12 QuantifiedInterpolants, 10074 SizeOfPredicates, 6 NumberOfNonLiveVariables, 471 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 32/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...