./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 6692e4fc 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 a2aa33a4d599a5d6897f5617ce765d9180019e00 ............................................................................................................................ 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 a2aa33a4d599a5d6897f5617ce765d9180019e00 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.24-6692e4f [2019-11-25 17:49:29,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 17:49:29,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 17:49:29,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 17:49:29,525 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 17:49:29,526 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 17:49:29,528 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 17:49:29,530 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 17:49:29,532 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 17:49:29,533 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 17:49:29,534 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 17:49:29,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 17:49:29,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 17:49:29,537 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 17:49:29,538 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 17:49:29,539 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 17:49:29,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 17:49:29,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 17:49:29,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 17:49:29,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 17:49:29,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 17:49:29,554 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 17:49:29,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 17:49:29,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 17:49:29,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 17:49:29,564 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 17:49:29,565 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 17:49:29,566 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 17:49:29,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 17:49:29,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 17:49:29,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 17:49:29,571 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 17:49:29,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 17:49:29,573 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 17:49:29,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 17:49:29,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 17:49:29,576 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 17:49:29,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 17:49:29,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 17:49:29,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 17:49:29,582 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 17:49:29,583 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-25 17:49:29,608 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 17:49:29,608 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 17:49:29,610 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 17:49:29,611 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 17:49:29,611 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 17:49:29,611 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 17:49:29,612 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 17:49:29,612 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 17:49:29,612 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 17:49:29,612 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 17:49:29,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 17:49:29,615 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-25 17:49:29,615 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-25 17:49:29,616 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-25 17:49:29,616 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 17:49:29,616 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 17:49:29,617 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 17:49:29,617 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 17:49:29,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 17:49:29,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 17:49:29,618 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 17:49:29,618 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 17:49:29,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 17:49:29,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 17:49:29,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 17:49:29,619 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 17:49:29,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 17:49:29,620 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 -> a2aa33a4d599a5d6897f5617ce765d9180019e00 [2019-11-25 17:49:29,925 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 17:49:29,940 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 17:49:29,944 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 17:49:29,945 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 17:49:29,946 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 17:49:29,947 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test4-1.i [2019-11-25 17:49:30,024 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4743e657/69230d45ab8945d594d1d5c55c6de79b/FLAGa2db80ae7 [2019-11-25 17:49:30,577 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 17:49:30,578 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test4-1.i [2019-11-25 17:49:30,593 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4743e657/69230d45ab8945d594d1d5c55c6de79b/FLAGa2db80ae7 [2019-11-25 17:49:30,868 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4743e657/69230d45ab8945d594d1d5c55c6de79b [2019-11-25 17:49:30,872 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 17:49:30,873 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-25 17:49:30,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 17:49:30,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 17:49:30,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 17:49:30,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:49:30" (1/1) ... [2019-11-25 17:49:30,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e76458f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:49:30, skipping insertion in model container [2019-11-25 17:49:30,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:49:30" (1/1) ... [2019-11-25 17:49:30,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 17:49:30,958 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 17:49:31,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 17:49:31,563 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) [2019-11-25 17:49:31,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@68a11fbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:49:31, skipping insertion in model container [2019-11-25 17:49:31,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 17:49:31,564 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-25 17:49:31,568 INFO L168 Benchmark]: Toolchain (without parser) took 692.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -181.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-25 17:49:31,569 INFO L168 Benchmark]: CDTParser took 0.27 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. [2019-11-25 17:49:31,571 INFO L168 Benchmark]: CACSL2BoogieTranslator took 690.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -186.5 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2019-11-25 17:49:31,576 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 690.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -186.5 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 577]: 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 0.1.24-6692e4f [2019-11-25 17:49:33,396 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 17:49:33,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 17:49:33,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 17:49:33,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 17:49:33,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 17:49:33,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 17:49:33,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 17:49:33,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 17:49:33,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 17:49:33,438 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 17:49:33,440 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 17:49:33,441 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 17:49:33,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 17:49:33,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 17:49:33,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 17:49:33,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 17:49:33,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 17:49:33,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 17:49:33,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 17:49:33,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 17:49:33,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 17:49:33,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 17:49:33,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 17:49:33,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 17:49:33,477 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 17:49:33,477 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 17:49:33,478 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 17:49:33,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 17:49:33,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 17:49:33,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 17:49:33,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 17:49:33,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 17:49:33,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 17:49:33,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 17:49:33,484 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 17:49:33,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 17:49:33,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 17:49:33,485 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 17:49:33,486 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 17:49:33,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 17:49:33,488 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-25 17:49:33,503 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 17:49:33,503 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 17:49:33,504 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 17:49:33,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 17:49:33,505 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 17:49:33,505 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 17:49:33,506 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 17:49:33,506 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 17:49:33,506 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 17:49:33,506 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 17:49:33,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 17:49:33,507 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-25 17:49:33,507 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-25 17:49:33,508 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-25 17:49:33,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 17:49:33,508 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 17:49:33,508 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 17:49:33,509 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 17:49:33,509 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 17:49:33,509 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 17:49:33,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 17:49:33,510 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 17:49:33,510 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 17:49:33,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 17:49:33,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 17:49:33,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 17:49:33,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 17:49:33,511 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 17:49:33,512 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 17:49:33,512 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 17:49:33,512 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 -> a2aa33a4d599a5d6897f5617ce765d9180019e00 [2019-11-25 17:49:33,802 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 17:49:33,815 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 17:49:33,818 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 17:49:33,820 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 17:49:33,821 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 17:49:33,822 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test4-1.i [2019-11-25 17:49:33,882 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2d8e2ad2/a949da7537f44d79a48b7e2d378d90db/FLAG7b439a706 [2019-11-25 17:49:34,445 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 17:49:34,445 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test4-1.i [2019-11-25 17:49:34,465 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2d8e2ad2/a949da7537f44d79a48b7e2d378d90db/FLAG7b439a706 [2019-11-25 17:49:34,715 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2d8e2ad2/a949da7537f44d79a48b7e2d378d90db [2019-11-25 17:49:34,718 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 17:49:34,720 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-25 17:49:34,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 17:49:34,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 17:49:34,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 17:49:34,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:49:34" (1/1) ... [2019-11-25 17:49:34,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@699f7eeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:49:34, skipping insertion in model container [2019-11-25 17:49:34,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:49:34" (1/1) ... [2019-11-25 17:49:34,742 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 17:49:34,794 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 17:49:35,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 17:49:35,376 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-11-25 17:49:35,405 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 17:49:35,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 17:49:35,516 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 17:49:35,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 17:49:35,655 INFO L208 MainTranslator]: Completed translation [2019-11-25 17:49:35,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:49:35 WrapperNode [2019-11-25 17:49:35,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 17:49:35,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 17:49:35,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 17:49:35,659 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 17:49:35,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:49:35" (1/1) ... [2019-11-25 17:49:35,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:49:35" (1/1) ... [2019-11-25 17:49:35,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:49:35" (1/1) ... [2019-11-25 17:49:35,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:49:35" (1/1) ... [2019-11-25 17:49:35,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:49:35" (1/1) ... [2019-11-25 17:49:35,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:49:35" (1/1) ... [2019-11-25 17:49:35,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:49:35" (1/1) ... [2019-11-25 17:49:35,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 17:49:35,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 17:49:35,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 17:49:35,775 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 17:49:35,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:49:35" (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 [2019-11-25 17:49:35,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-25 17:49:35,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 17:49:35,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-25 17:49:35,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-11-25 17:49:35,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-25 17:49:35,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-25 17:49:35,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-25 17:49:35,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-25 17:49:35,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-25 17:49:35,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2019-11-25 17:49:35,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2019-11-25 17:49:35,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-25 17:49:35,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-25 17:49:35,844 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2019-11-25 17:49:35,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2019-11-25 17:49:35,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2019-11-25 17:49:35,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2019-11-25 17:49:35,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2019-11-25 17:49:35,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2019-11-25 17:49:35,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2019-11-25 17:49:35,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2019-11-25 17:49:35,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2019-11-25 17:49:35,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2019-11-25 17:49:35,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2019-11-25 17:49:35,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-11-25 17:49:35,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-11-25 17:49:35,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2019-11-25 17:49:35,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2019-11-25 17:49:35,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2019-11-25 17:49:35,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2019-11-25 17:49:35,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2019-11-25 17:49:35,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2019-11-25 17:49:35,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2019-11-25 17:49:35,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2019-11-25 17:49:35,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2019-11-25 17:49:35,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2019-11-25 17:49:35,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2019-11-25 17:49:35,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2019-11-25 17:49:35,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2019-11-25 17:49:35,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2019-11-25 17:49:35,850 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-11-25 17:49:35,850 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-11-25 17:49:35,851 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2019-11-25 17:49:35,851 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-25 17:49:35,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-25 17:49:35,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-25 17:49:35,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-25 17:49:35,852 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-25 17:49:35,852 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-25 17:49:35,852 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-25 17:49:35,852 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-25 17:49:35,853 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-25 17:49:35,853 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-25 17:49:35,853 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-25 17:49:35,853 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-25 17:49:35,853 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-25 17:49:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-25 17:49:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-25 17:49:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-25 17:49:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-25 17:49:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-25 17:49:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-25 17:49:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-25 17:49:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-25 17:49:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-25 17:49:35,855 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-25 17:49:35,856 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-25 17:49:35,856 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-25 17:49:35,856 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-25 17:49:35,856 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-25 17:49:35,856 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-25 17:49:35,857 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-25 17:49:35,857 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-25 17:49:35,857 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-25 17:49:35,857 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-25 17:49:35,858 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-25 17:49:35,858 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-25 17:49:35,858 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-25 17:49:35,858 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-25 17:49:35,858 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-25 17:49:35,859 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-25 17:49:35,859 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-25 17:49:35,859 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-25 17:49:35,859 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-25 17:49:35,859 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-25 17:49:35,859 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-25 17:49:35,860 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-25 17:49:35,860 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-25 17:49:35,860 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-25 17:49:35,860 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-25 17:49:35,860 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-25 17:49:35,861 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-25 17:49:35,861 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-25 17:49:35,861 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-25 17:49:35,861 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-25 17:49:35,861 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-25 17:49:35,862 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-25 17:49:35,862 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-25 17:49:35,862 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-25 17:49:35,862 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-25 17:49:35,862 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-25 17:49:35,863 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-25 17:49:35,863 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-25 17:49:35,863 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-25 17:49:35,863 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-25 17:49:35,864 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-25 17:49:35,864 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-25 17:49:35,864 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-25 17:49:35,864 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-25 17:49:35,864 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-25 17:49:35,865 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-25 17:49:35,865 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-25 17:49:35,865 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-25 17:49:35,865 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-25 17:49:35,865 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-25 17:49:35,866 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-25 17:49:35,866 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-25 17:49:35,866 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-25 17:49:35,866 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-25 17:49:35,866 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-25 17:49:35,867 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-25 17:49:35,867 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-25 17:49:35,867 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-25 17:49:35,867 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-25 17:49:35,867 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-25 17:49:35,868 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-25 17:49:35,868 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-25 17:49:35,868 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-25 17:49:35,868 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-25 17:49:35,868 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-25 17:49:35,869 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-25 17:49:35,869 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-25 17:49:35,869 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-25 17:49:35,869 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-25 17:49:35,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-25 17:49:35,870 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-25 17:49:35,870 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-25 17:49:35,870 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-25 17:49:35,870 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-25 17:49:35,871 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-25 17:49:35,871 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-25 17:49:35,871 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-25 17:49:35,871 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-25 17:49:35,871 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-25 17:49:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-25 17:49:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-25 17:49:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-25 17:49:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-25 17:49:35,873 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-25 17:49:35,873 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-25 17:49:35,873 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-25 17:49:35,873 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-25 17:49:35,874 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-25 17:49:35,874 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-25 17:49:35,874 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-25 17:49:35,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-25 17:49:35,875 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-25 17:49:35,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2019-11-25 17:49:35,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2019-11-25 17:49:35,875 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-25 17:49:35,875 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-25 17:49:35,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-25 17:49:35,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-25 17:49:35,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-25 17:49:35,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-25 17:49:35,877 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2019-11-25 17:49:35,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-25 17:49:35,877 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2019-11-25 17:49:35,877 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2019-11-25 17:49:35,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2019-11-25 17:49:35,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-25 17:49:35,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2019-11-25 17:49:35,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2019-11-25 17:49:35,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2019-11-25 17:49:35,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2019-11-25 17:49:35,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-25 17:49:35,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2019-11-25 17:49:35,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 17:49:35,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2019-11-25 17:49:35,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2019-11-25 17:49:35,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-11-25 17:49:35,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-11-25 17:49:35,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2019-11-25 17:49:35,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-25 17:49:35,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-25 17:49:35,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2019-11-25 17:49:35,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2019-11-25 17:49:35,881 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-25 17:49:35,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2019-11-25 17:49:35,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2019-11-25 17:49:35,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2019-11-25 17:49:35,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2019-11-25 17:49:35,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2019-11-25 17:49:35,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2019-11-25 17:49:35,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2019-11-25 17:49:35,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2019-11-25 17:49:35,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2019-11-25 17:49:35,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2019-11-25 17:49:35,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2019-11-25 17:49:35,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-25 17:49:35,884 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-11-25 17:49:35,885 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-11-25 17:49:35,885 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2019-11-25 17:49:35,885 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-25 17:49:35,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-25 17:49:35,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 17:49:35,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-25 17:49:35,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 17:49:35,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-11-25 17:49:35,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-25 17:49:35,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-25 17:49:35,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2019-11-25 17:49:35,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2019-11-25 17:49:36,509 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 17:49:36,996 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 17:49:37,339 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 17:49:37,340 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-25 17:49:37,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:49:37 BoogieIcfgContainer [2019-11-25 17:49:37,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 17:49:37,342 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 17:49:37,342 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 17:49:37,346 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 17:49:37,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:49:34" (1/3) ... [2019-11-25 17:49:37,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@621de4ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:49:37, skipping insertion in model container [2019-11-25 17:49:37,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:49:35" (2/3) ... [2019-11-25 17:49:37,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@621de4ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:49:37, skipping insertion in model container [2019-11-25 17:49:37,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:49:37" (3/3) ... [2019-11-25 17:49:37,349 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test4-1.i [2019-11-25 17:49:37,359 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 17:49:37,368 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 74 error locations. [2019-11-25 17:49:37,380 INFO L249 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2019-11-25 17:49:37,402 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 17:49:37,402 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-25 17:49:37,402 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 17:49:37,402 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 17:49:37,403 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 17:49:37,403 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 17:49:37,403 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 17:49:37,403 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 17:49:37,422 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2019-11-25 17:49:37,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-25 17:49:37,433 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:49:37,434 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 17:49:37,435 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]=== [2019-11-25 17:49:37,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:49:37,442 INFO L82 PathProgramCache]: Analyzing trace with hash 927863930, now seen corresponding path program 1 times [2019-11-25 17:49:37,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:49:37,455 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1215332963] [2019-11-25 17:49:37,455 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 [2019-11-25 17:49:37,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:49:37,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 17:49:37,704 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:49:37,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:49:37,779 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:49:37,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:49:37,887 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1215332963] [2019-11-25 17:49:37,889 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 17:49:37,889 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2019-11-25 17:49:37,891 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14541683] [2019-11-25 17:49:37,897 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 17:49:37,898 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 17:49:37,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 17:49:37,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 17:49:37,917 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 5 states. [2019-11-25 17:49:37,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:49:37,979 INFO L93 Difference]: Finished difference Result 42 states and 47 transitions. [2019-11-25 17:49:37,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 17:49:37,986 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-11-25 17:49:37,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:49:37,997 INFO L225 Difference]: With dead ends: 42 [2019-11-25 17:49:37,998 INFO L226 Difference]: Without dead ends: 39 [2019-11-25 17:49:38,000 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 [2019-11-25 17:49:38,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-11-25 17:49:38,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 29. [2019-11-25 17:49:38,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-25 17:49:38,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2019-11-25 17:49:38,048 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 16 [2019-11-25 17:49:38,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:49:38,049 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2019-11-25 17:49:38,049 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 17:49:38,049 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2019-11-25 17:49:38,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-25 17:49:38,051 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:49:38,051 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 17:49:38,266 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-25 17:49:38,268 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]=== [2019-11-25 17:49:38,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:49:38,268 INFO L82 PathProgramCache]: Analyzing trace with hash -1624293031, now seen corresponding path program 1 times [2019-11-25 17:49:38,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:49:38,272 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [738579685] [2019-11-25 17:49:38,272 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 [2019-11-25 17:49:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:49:38,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 17:49:38,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:49:38,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:49:38,454 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:49:38,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:49:38,509 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [738579685] [2019-11-25 17:49:38,509 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 17:49:38,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-25 17:49:38,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946667590] [2019-11-25 17:49:38,512 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 17:49:38,512 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 17:49:38,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 17:49:38,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 17:49:38,513 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand 3 states. [2019-11-25 17:49:38,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:49:38,567 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2019-11-25 17:49:38,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 17:49:38,568 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-11-25 17:49:38,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:49:38,569 INFO L225 Difference]: With dead ends: 40 [2019-11-25 17:49:38,569 INFO L226 Difference]: Without dead ends: 37 [2019-11-25 17:49:38,570 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 [2019-11-25 17:49:38,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-11-25 17:49:38,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 25. [2019-11-25 17:49:38,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-25 17:49:38,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2019-11-25 17:49:38,576 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 16 [2019-11-25 17:49:38,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:49:38,577 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2019-11-25 17:49:38,577 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 17:49:38,577 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2019-11-25 17:49:38,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-25 17:49:38,578 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:49:38,578 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 17:49:38,792 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-25 17:49:38,793 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]=== [2019-11-25 17:49:38,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:49:38,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1911181477, now seen corresponding path program 1 times [2019-11-25 17:49:38,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:49:38,794 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1803351571] [2019-11-25 17:49:38,794 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 [2019-11-25 17:49:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:49:38,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 17:49:38,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:49:38,987 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-25 17:49:38,988 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:49:39,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-25 17:49:39,023 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1803351571] [2019-11-25 17:49:39,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 17:49:39,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-25 17:49:39,024 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31297701] [2019-11-25 17:49:39,024 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 17:49:39,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 17:49:39,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 17:49:39,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 17:49:39,025 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand 5 states. [2019-11-25 17:49:39,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:49:39,038 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2019-11-25 17:49:39,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 17:49:39,039 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2019-11-25 17:49:39,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:49:39,040 INFO L225 Difference]: With dead ends: 24 [2019-11-25 17:49:39,040 INFO L226 Difference]: Without dead ends: 24 [2019-11-25 17:49:39,040 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 [2019-11-25 17:49:39,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-11-25 17:49:39,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-11-25 17:49:39,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-25 17:49:39,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2019-11-25 17:49:39,045 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 20 [2019-11-25 17:49:39,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:49:39,046 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2019-11-25 17:49:39,046 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 17:49:39,046 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2019-11-25 17:49:39,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-25 17:49:39,047 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:49:39,047 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 17:49:39,258 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-25 17:49:39,259 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]=== [2019-11-25 17:49:39,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:49:39,259 INFO L82 PathProgramCache]: Analyzing trace with hash 882916751, now seen corresponding path program 1 times [2019-11-25 17:49:39,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:49:39,262 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [43696496] [2019-11-25 17:49:39,262 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 [2019-11-25 17:49:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:49:39,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-25 17:49:39,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:49:39,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 17:49:39,599 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:49:39,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-25 17:49:39,740 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [43696496] [2019-11-25 17:49:39,740 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 17:49:39,740 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 4] imperfect sequences [] total 9 [2019-11-25 17:49:39,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001100339] [2019-11-25 17:49:39,741 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-25 17:49:39,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 17:49:39,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-25 17:49:39,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2019-11-25 17:49:39,742 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 10 states. [2019-11-25 17:49:40,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:49:40,015 INFO L93 Difference]: Finished difference Result 38 states and 42 transitions. [2019-11-25 17:49:40,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-25 17:49:40,016 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 21 [2019-11-25 17:49:40,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:49:40,017 INFO L225 Difference]: With dead ends: 38 [2019-11-25 17:49:40,017 INFO L226 Difference]: Without dead ends: 38 [2019-11-25 17:49:40,018 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 [2019-11-25 17:49:40,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-11-25 17:49:40,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 23. [2019-11-25 17:49:40,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-11-25 17:49:40,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2019-11-25 17:49:40,023 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 21 [2019-11-25 17:49:40,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:49:40,024 INFO L462 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2019-11-25 17:49:40,024 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-25 17:49:40,024 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2019-11-25 17:49:40,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-25 17:49:40,025 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:49:40,025 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 17:49:40,235 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-25 17:49:40,236 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]=== [2019-11-25 17:49:40,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:49:40,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1600615901, now seen corresponding path program 1 times [2019-11-25 17:49:40,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:49:40,237 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [84359210] [2019-11-25 17:49:40,237 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 [2019-11-25 17:49:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:49:40,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 17:49:40,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:49:40,389 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 [2019-11-25 17:49:40,390 INFO L508 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-25 17:49:40,393 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-25 17:49:40,394 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-25 17:49:40,394 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-11-25 17:49:40,411 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-25 17:49:40,411 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:49:40,455 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-25 17:49:40,455 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [84359210] [2019-11-25 17:49:40,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 17:49:40,456 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-25 17:49:40,457 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804183601] [2019-11-25 17:49:40,458 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 17:49:40,458 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 17:49:40,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 17:49:40,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 17:49:40,461 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 5 states. [2019-11-25 17:49:40,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:49:40,518 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2019-11-25 17:49:40,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 17:49:40,519 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-25 17:49:40,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:49:40,520 INFO L225 Difference]: With dead ends: 29 [2019-11-25 17:49:40,520 INFO L226 Difference]: Without dead ends: 29 [2019-11-25 17:49:40,520 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 [2019-11-25 17:49:40,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-25 17:49:40,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2019-11-25 17:49:40,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-11-25 17:49:40,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2019-11-25 17:49:40,531 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 22 [2019-11-25 17:49:40,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:49:40,531 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2019-11-25 17:49:40,531 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 17:49:40,531 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2019-11-25 17:49:40,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-25 17:49:40,534 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:49:40,534 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] [2019-11-25 17:49:40,745 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-25 17:49:40,747 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]=== [2019-11-25 17:49:40,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:49:40,748 INFO L82 PathProgramCache]: Analyzing trace with hash -1806847714, now seen corresponding path program 1 times [2019-11-25 17:49:40,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:49:40,748 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [882874240] [2019-11-25 17:49:40,749 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 [2019-11-25 17:49:40,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 17:49:40,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 17:49:40,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 17:49:40,905 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-25 17:49:40,905 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 17:49:40,935 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-25 17:49:40,936 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [882874240] [2019-11-25 17:49:40,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 17:49:40,936 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2019-11-25 17:49:40,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828705852] [2019-11-25 17:49:40,938 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 17:49:40,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 17:49:40,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 17:49:40,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 17:49:40,939 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand 5 states. [2019-11-25 17:49:40,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 17:49:40,964 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2019-11-25 17:49:40,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 17:49:40,964 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-25 17:49:40,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 17:49:40,965 INFO L225 Difference]: With dead ends: 30 [2019-11-25 17:49:40,965 INFO L226 Difference]: Without dead ends: 30 [2019-11-25 17:49:40,966 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 [2019-11-25 17:49:40,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-25 17:49:40,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 22. [2019-11-25 17:49:40,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-25 17:49:40,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2019-11-25 17:49:40,972 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 22 [2019-11-25 17:49:40,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 17:49:40,973 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2019-11-25 17:49:40,973 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 17:49:40,973 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2019-11-25 17:49:40,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-25 17:49:40,974 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 17:49:40,975 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] [2019-11-25 17:49:41,184 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-25 17:49:41,184 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]=== [2019-11-25 17:49:41,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 17:49:41,185 INFO L82 PathProgramCache]: Analyzing trace with hash 1221784944, now seen corresponding path program 1 times [2019-11-25 17:49:41,185 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 17:49:41,185 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [79152213] [2019-11-25 17:49:41,185 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 [2019-11-25 17:49:41,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 17:49:41,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 17:49:41,376 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-25 17:49:41,376 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-25 17:49:41,577 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-11-25 17:49:41,591 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-11-25 17:49:41,598 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# [2019-11-25 17:49:41,598 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# [2019-11-25 17:49:41,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:49:41 BoogieIcfgContainer [2019-11-25 17:49:41,611 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 17:49:41,614 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 17:49:41,614 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 17:49:41,614 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 17:49:41,615 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:49:37" (3/4) ... [2019-11-25 17:49:41,621 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 17:49:41,622 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 17:49:41,624 INFO L168 Benchmark]: Toolchain (without parser) took 6904.43 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 229.6 MB). Free memory was 946.9 MB in the beginning and 964.2 MB in the end (delta: -17.2 MB). Peak memory consumption was 212.4 MB. Max. memory is 11.5 GB. [2019-11-25 17:49:41,625 INFO L168 Benchmark]: CDTParser took 0.28 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. [2019-11-25 17:49:41,628 INFO L168 Benchmark]: CACSL2BoogieTranslator took 937.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -153.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-25 17:49:41,629 INFO L168 Benchmark]: Boogie Preprocessor took 115.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 17:49:41,632 INFO L168 Benchmark]: RCFGBuilder took 1567.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 989.2 MB in the end (delta: 110.9 MB). Peak memory consumption was 110.9 MB. Max. memory is 11.5 GB. [2019-11-25 17:49:41,633 INFO L168 Benchmark]: TraceAbstraction took 4269.05 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 78.1 MB). Free memory was 989.2 MB in the beginning and 971.7 MB in the end (delta: 17.5 MB). Peak memory consumption was 95.7 MB. Max. memory is 11.5 GB. [2019-11-25 17:49:41,635 INFO L168 Benchmark]: Witness Printer took 8.45 ms. Allocated memory is still 1.3 GB. Free memory was 971.7 MB in the beginning and 964.2 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2019-11-25 17:49:41,639 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 937.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -153.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 115.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1567.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 989.2 MB in the end (delta: 110.9 MB). Peak memory consumption was 110.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4269.05 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 78.1 MB). Free memory was 989.2 MB in the beginning and 971.7 MB in the end (delta: 17.5 MB). Peak memory consumption was 95.7 MB. Max. memory is 11.5 GB. * Witness Printer took 8.45 ms. Allocated memory is still 1.3 GB. Free memory was 971.7 MB in the beginning and 964.2 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. 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 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 3bv32 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: 765]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 765. Possible FailurePath: [L570] 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}] [L766] CALL entry_point() VAL [ldv_global_msg_list={-2147483641:0}] [L759] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={-2147483641:0}] [L527] COND TRUE __VERIFIER_nondet_int() [L528] return malloc(size); VAL [\old(size)=4, \result={-2147483643:0}, ldv_global_msg_list={-2147483641:0}, malloc(size)={-2147483643:0}, size=4] [L759] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={-2147483641:0}, ldv_malloc(sizeof(int))={-2147483643:0}] [L759] int *p = (int *)ldv_malloc(sizeof(int)); [L760] COND TRUE \read(*p) VAL [ldv_global_msg_list={-2147483641:0}, p={-2147483643:0}] [L761] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={-2147483641:0}] [L527] COND TRUE __VERIFIER_nondet_int() [L528] return malloc(size); VAL [\old(size)=4, \result={5:0}, ldv_global_msg_list={-2147483641:0}, malloc(size)={5:0}, size=4] [L761] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={-2147483641:0}, ldv_malloc(sizeof(int))={5:0}, p={-2147483643:0}] [L761] int *q = (int *)ldv_malloc(sizeof(int)); [L762] free(q) VAL [ldv_global_msg_list={-2147483641:0}, p={-2147483643:0}, q={5:0}] [L762] free(q) VAL [ldv_global_msg_list={-2147483641:0}, p={-2147483643:0}, q={5:0}] [L762] free(q) [L766] 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: 4.2s, 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...