./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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_test9_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 3c3780959fce78cf56ec9398e6f7b05938c23d68 .................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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_test9_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 3c3780959fce78cf56ec9398e6f7b05938c23d68 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-30 17:55:24,679 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-30 17:55:24,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-30 17:55:24,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-30 17:55:24,719 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-30 17:55:24,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-30 17:55:24,724 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-30 17:55:24,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-30 17:55:24,732 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-30 17:55:24,737 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-30 17:55:24,738 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-30 17:55:24,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-30 17:55:24,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-30 17:55:24,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-30 17:55:24,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-30 17:55:24,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-30 17:55:24,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-30 17:55:24,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-30 17:55:24,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-30 17:55:24,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-30 17:55:24,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-30 17:55:24,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-30 17:55:24,765 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-30 17:55:24,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-30 17:55:24,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-30 17:55:24,772 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-30 17:55:24,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-30 17:55:24,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-30 17:55:24,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-30 17:55:24,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-30 17:55:24,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-30 17:55:24,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-30 17:55:24,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-30 17:55:24,777 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-30 17:55:24,779 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-30 17:55:24,779 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-30 17:55:24,779 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-30 17:55:24,780 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-30 17:55:24,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-30 17:55:24,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-30 17:55:24,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-30 17:55:24,783 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-08-30 17:55:24,820 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-30 17:55:24,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-30 17:55:24,821 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-30 17:55:24,821 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-30 17:55:24,823 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-30 17:55:24,823 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-30 17:55:24,823 INFO L138 SettingsManager]: * Use SBE=true [2021-08-30 17:55:24,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-30 17:55:24,824 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-30 17:55:24,824 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-30 17:55:24,824 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-30 17:55:24,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-30 17:55:24,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-30 17:55:24,825 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-30 17:55:24,825 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-30 17:55:24,825 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-30 17:55:24,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-30 17:55:24,825 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-30 17:55:24,826 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-30 17:55:24,826 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-30 17:55:24,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-30 17:55:24,826 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-30 17:55:24,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-30 17:55:24,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 17:55:24,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-30 17:55:24,827 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-30 17:55:24,827 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-30 17:55:24,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-30 17:55:24,827 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-30 17:55:24,827 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c3780959fce78cf56ec9398e6f7b05938c23d68 [2021-08-30 17:55:25,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-30 17:55:25,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-30 17:55:25,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-30 17:55:25,175 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-30 17:55:25,176 INFO L275 PluginConnector]: CDTParser initialized [2021-08-30 17:55:25,177 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2021-08-30 17:55:25,242 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a7554681/d6b7d79d525141f6afff1673f0d92d28/FLAGe22064e60 [2021-08-30 17:55:25,810 INFO L306 CDTParser]: Found 1 translation units. [2021-08-30 17:55:25,810 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2021-08-30 17:55:25,821 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a7554681/d6b7d79d525141f6afff1673f0d92d28/FLAGe22064e60 [2021-08-30 17:55:26,257 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a7554681/d6b7d79d525141f6afff1673f0d92d28 [2021-08-30 17:55:26,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-30 17:55:26,260 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-30 17:55:26,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-30 17:55:26,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-30 17:55:26,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-30 17:55:26,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 05:55:26" (1/1) ... [2021-08-30 17:55:26,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d850056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:55:26, skipping insertion in model container [2021-08-30 17:55:26,267 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 05:55:26" (1/1) ... [2021-08-30 17:55:26,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-30 17:55:26,307 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-30 17:55:26,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 17:55:26,657 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) [2021-08-30 17:55:26,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@104c5f56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:55:26, skipping insertion in model container [2021-08-30 17:55:26,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-30 17:55:26,659 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-08-30 17:55:26,661 INFO L158 Benchmark]: Toolchain (without parser) took 400.07ms. Allocated memory is still 56.6MB. Free memory was 34.1MB in the beginning and 36.8MB in the end (delta: -2.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-08-30 17:55:26,662 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 56.6MB. Free memory was 39.0MB in the beginning and 38.9MB in the end (delta: 43.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-30 17:55:26,663 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.36ms. Allocated memory is still 56.6MB. Free memory was 33.8MB in the beginning and 36.8MB in the end (delta: -3.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-08-30 17:55:26,665 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 56.6MB. Free memory was 39.0MB in the beginning and 38.9MB in the end (delta: 43.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 396.36ms. Allocated memory is still 56.6MB. Free memory was 33.8MB in the beginning and 36.8MB in the end (delta: -3.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-30 17:55:28,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-30 17:55:28,343 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-30 17:55:28,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-30 17:55:28,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-30 17:55:28,386 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-30 17:55:28,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-30 17:55:28,392 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-30 17:55:28,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-30 17:55:28,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-30 17:55:28,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-30 17:55:28,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-30 17:55:28,404 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-30 17:55:28,406 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-30 17:55:28,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-30 17:55:28,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-30 17:55:28,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-30 17:55:28,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-30 17:55:28,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-30 17:55:28,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-30 17:55:28,422 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-30 17:55:28,423 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-30 17:55:28,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-30 17:55:28,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-30 17:55:28,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-30 17:55:28,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-30 17:55:28,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-30 17:55:28,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-30 17:55:28,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-30 17:55:28,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-30 17:55:28,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-30 17:55:28,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-30 17:55:28,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-30 17:55:28,432 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-30 17:55:28,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-30 17:55:28,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-30 17:55:28,434 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-30 17:55:28,434 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-30 17:55:28,434 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-30 17:55:28,435 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-30 17:55:28,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-30 17:55:28,437 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-08-30 17:55:28,473 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-30 17:55:28,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-30 17:55:28,474 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-30 17:55:28,474 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-30 17:55:28,476 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-30 17:55:28,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-30 17:55:28,476 INFO L138 SettingsManager]: * Use SBE=true [2021-08-30 17:55:28,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-30 17:55:28,476 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-30 17:55:28,476 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-30 17:55:28,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-30 17:55:28,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-30 17:55:28,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-30 17:55:28,478 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-30 17:55:28,478 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-30 17:55:28,478 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-30 17:55:28,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-30 17:55:28,478 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-30 17:55:28,478 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-30 17:55:28,479 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-30 17:55:28,479 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-30 17:55:28,479 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-30 17:55:28,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-30 17:55:28,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-30 17:55:28,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-30 17:55:28,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 17:55:28,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-30 17:55:28,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-30 17:55:28,480 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-30 17:55:28,480 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-30 17:55:28,481 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-30 17:55:28,481 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-30 17:55:28,481 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c3780959fce78cf56ec9398e6f7b05938c23d68 [2021-08-30 17:55:28,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-30 17:55:28,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-30 17:55:28,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-30 17:55:28,856 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-30 17:55:28,856 INFO L275 PluginConnector]: CDTParser initialized [2021-08-30 17:55:28,857 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2021-08-30 17:55:28,909 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee38c4c0c/3f73c9afafec46e586ecfa3a70c13a53/FLAG4b0f490a6 [2021-08-30 17:55:29,393 INFO L306 CDTParser]: Found 1 translation units. [2021-08-30 17:55:29,393 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test9_1.i [2021-08-30 17:55:29,404 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee38c4c0c/3f73c9afafec46e586ecfa3a70c13a53/FLAG4b0f490a6 [2021-08-30 17:55:29,416 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee38c4c0c/3f73c9afafec46e586ecfa3a70c13a53 [2021-08-30 17:55:29,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-30 17:55:29,419 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-30 17:55:29,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-30 17:55:29,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-30 17:55:29,423 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-30 17:55:29,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 05:55:29" (1/1) ... [2021-08-30 17:55:29,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@113c4318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:55:29, skipping insertion in model container [2021-08-30 17:55:29,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 05:55:29" (1/1) ... [2021-08-30 17:55:29,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-30 17:55:29,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-30 17:55:29,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 17:55:29,774 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-08-30 17:55:29,779 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-30 17:55:29,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 17:55:29,828 INFO L203 MainTranslator]: Completed pre-run [2021-08-30 17:55:29,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 17:55:29,938 INFO L208 MainTranslator]: Completed translation [2021-08-30 17:55:29,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:55:29 WrapperNode [2021-08-30 17:55:29,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-30 17:55:29,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-30 17:55:29,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-30 17:55:29,941 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-30 17:55:29,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:55:29" (1/1) ... [2021-08-30 17:55:29,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:55:29" (1/1) ... [2021-08-30 17:55:29,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:55:29" (1/1) ... [2021-08-30 17:55:29,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:55:29" (1/1) ... [2021-08-30 17:55:30,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:55:29" (1/1) ... [2021-08-30 17:55:30,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:55:29" (1/1) ... [2021-08-30 17:55:30,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:55:29" (1/1) ... [2021-08-30 17:55:30,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-30 17:55:30,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-30 17:55:30,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-30 17:55:30,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-30 17:55:30,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:55:29" (1/1) ... [2021-08-30 17:55:30,063 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 17:55:30,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-30 17:55:30,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-30 17:55:30,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-30 17:55:30,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-08-30 17:55:30,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-30 17:55:30,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-08-30 17:55:30,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-08-30 17:55:30,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-08-30 17:55:30,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-08-30 17:55:30,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-08-30 17:55:30,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-08-30 17:55:30,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-08-30 17:55:30,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-08-30 17:55:30,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-08-30 17:55:30,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-08-30 17:55:30,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-08-30 17:55:30,131 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-08-30 17:55:30,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-08-30 17:55:30,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-08-30 17:55:30,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-08-30 17:55:30,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-08-30 17:55:30,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-08-30 17:55:30,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-08-30 17:55:30,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-08-30 17:55:30,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-08-30 17:55:30,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-08-30 17:55:30,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-08-30 17:55:30,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-08-30 17:55:30,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-08-30 17:55:30,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-08-30 17:55:30,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-08-30 17:55:30,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-08-30 17:55:30,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-08-30 17:55:30,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-08-30 17:55:30,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-08-30 17:55:30,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-08-30 17:55:30,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-08-30 17:55:30,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-08-30 17:55:30,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-08-30 17:55:30,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-08-30 17:55:30,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-08-30 17:55:30,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-08-30 17:55:30,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-08-30 17:55:30,133 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-08-30 17:55:30,133 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-08-30 17:55:30,134 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_9_2 [2021-08-30 17:55:30,134 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect_9 [2021-08-30 17:55:30,134 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-08-30 17:55:30,134 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-08-30 17:55:30,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-08-30 17:55:30,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-08-30 17:55:30,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-08-30 17:55:30,134 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-08-30 17:55:30,134 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-08-30 17:55:30,134 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-08-30 17:55:30,134 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-08-30 17:55:30,134 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-08-30 17:55:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-08-30 17:55:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-08-30 17:55:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-08-30 17:55:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-08-30 17:55:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-08-30 17:55:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-08-30 17:55:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-08-30 17:55:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-08-30 17:55:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-08-30 17:55:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-08-30 17:55:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-08-30 17:55:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-08-30 17:55:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-08-30 17:55:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-08-30 17:55:30,136 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-08-30 17:55:30,136 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-08-30 17:55:30,136 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-08-30 17:55:30,136 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-08-30 17:55:30,136 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-08-30 17:55:30,136 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-08-30 17:55:30,136 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-08-30 17:55:30,136 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-08-30 17:55:30,136 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-08-30 17:55:30,136 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-08-30 17:55:30,136 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-08-30 17:55:30,136 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-08-30 17:55:30,137 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-08-30 17:55:30,137 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-08-30 17:55:30,137 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-08-30 17:55:30,137 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-08-30 17:55:30,137 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-08-30 17:55:30,137 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-08-30 17:55:30,137 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-08-30 17:55:30,137 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-08-30 17:55:30,137 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-08-30 17:55:30,137 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-08-30 17:55:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-08-30 17:55:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-08-30 17:55:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-08-30 17:55:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-08-30 17:55:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-08-30 17:55:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-08-30 17:55:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-08-30 17:55:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-08-30 17:55:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-08-30 17:55:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-08-30 17:55:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-08-30 17:55:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-08-30 17:55:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-08-30 17:55:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-08-30 17:55:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-08-30 17:55:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-08-30 17:55:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-08-30 17:55:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-08-30 17:55:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-08-30 17:55:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-08-30 17:55:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-08-30 17:55:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-08-30 17:55:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-08-30 17:55:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-08-30 17:55:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-08-30 17:55:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-08-30 17:55:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-08-30 17:55:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-08-30 17:55:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-08-30 17:55:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-08-30 17:55:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-08-30 17:55:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-08-30 17:55:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-08-30 17:55:30,141 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-08-30 17:55:30,141 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-08-30 17:55:30,141 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-08-30 17:55:30,141 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-08-30 17:55:30,141 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-08-30 17:55:30,141 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-08-30 17:55:30,141 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-08-30 17:55:30,141 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-08-30 17:55:30,141 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-08-30 17:55:30,141 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-08-30 17:55:30,142 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-08-30 17:55:30,142 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-08-30 17:55:30,142 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-08-30 17:55:30,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-08-30 17:55:30,142 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-08-30 17:55:30,142 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-08-30 17:55:30,142 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-08-30 17:55:30,142 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-08-30 17:55:30,142 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-08-30 17:55:30,142 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-08-30 17:55:30,142 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-08-30 17:55:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-08-30 17:55:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-08-30 17:55:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-08-30 17:55:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-08-30 17:55:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-08-30 17:55:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-08-30 17:55:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-08-30 17:55:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-08-30 17:55:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-08-30 17:55:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-08-30 17:55:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-08-30 17:55:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-08-30 17:55:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-08-30 17:55:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-08-30 17:55:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-08-30 17:55:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-08-30 17:55:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-08-30 17:55:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-08-30 17:55:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-08-30 17:55:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-30 17:55:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-08-30 17:55:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-08-30 17:55:30,145 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-08-30 17:55:30,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-30 17:55:30,145 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-08-30 17:55:30,145 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-08-30 17:55:30,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-08-30 17:55:30,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-08-30 17:55:30,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-08-30 17:55:30,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-08-30 17:55:30,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-08-30 17:55:30,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-08-30 17:55:30,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-08-30 17:55:30,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-08-30 17:55:30,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-30 17:55:30,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-08-30 17:55:30,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-08-30 17:55:30,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-08-30 17:55:30,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-08-30 17:55:30,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-08-30 17:55:30,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-08-30 17:55:30,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-08-30 17:55:30,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-08-30 17:55:30,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-08-30 17:55:30,147 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-08-30 17:55:30,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-08-30 17:55:30,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-08-30 17:55:30,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-08-30 17:55:30,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-08-30 17:55:30,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-08-30 17:55:30,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-08-30 17:55:30,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-08-30 17:55:30,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-08-30 17:55:30,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-08-30 17:55:30,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-08-30 17:55:30,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-08-30 17:55:30,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-08-30 17:55:30,148 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-08-30 17:55:30,148 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-08-30 17:55:30,148 INFO L130 BoogieDeclarations]: Found specification of procedure probe_9_2 [2021-08-30 17:55:30,148 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect_9 [2021-08-30 17:55:30,148 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-08-30 17:55:30,148 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-08-30 17:55:30,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-08-30 17:55:30,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-30 17:55:30,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-08-30 17:55:30,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-30 17:55:30,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-08-30 17:55:30,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-08-30 17:55:30,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-08-30 17:55:30,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-08-30 17:55:30,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-08-30 17:55:30,506 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-30 17:55:30,599 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-30 17:55:30,699 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-30 17:55:30,700 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-08-30 17:55:30,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 05:55:30 BoogieIcfgContainer [2021-08-30 17:55:30,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-30 17:55:30,706 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-30 17:55:30,706 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-30 17:55:30,709 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-30 17:55:30,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 05:55:29" (1/3) ... [2021-08-30 17:55:30,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@148c062e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 05:55:30, skipping insertion in model container [2021-08-30 17:55:30,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:55:29" (2/3) ... [2021-08-30 17:55:30,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@148c062e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 05:55:30, skipping insertion in model container [2021-08-30 17:55:30,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 05:55:30" (3/3) ... [2021-08-30 17:55:30,713 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test9_1.i [2021-08-30 17:55:30,717 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-30 17:55:30,717 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2021-08-30 17:55:30,750 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-30 17:55:30,756 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-30 17:55:30,756 INFO L340 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2021-08-30 17:55:30,768 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 79 states have internal predecessors, (85), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2021-08-30 17:55:30,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-30 17:55:30,775 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 17:55:30,775 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 17:55:30,775 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-08-30 17:55:30,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 17:55:30,780 INFO L82 PathProgramCache]: Analyzing trace with hash -2083159501, now seen corresponding path program 1 times [2021-08-30 17:55:30,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-30 17:55:30,789 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [810659193] [2021-08-30 17:55:30,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 17:55:30,790 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-30 17:55:30,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-30 17:55:30,792 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-30 17:55:30,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-08-30 17:55:31,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-30 17:55:31,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-30 17:55:31,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-30 17:55:31,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 17:55:31,185 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-30 17:55:31,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-30 17:55:31,309 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-30 17:55:31,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [810659193] [2021-08-30 17:55:31,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [810659193] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-30 17:55:31,310 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-30 17:55:31,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-08-30 17:55:31,311 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786326780] [2021-08-30 17:55:31,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-30 17:55:31,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-30 17:55:31,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-30 17:55:31,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-30 17:55:31,350 INFO L87 Difference]: Start difference. First operand has 104 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 79 states have internal predecessors, (85), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) [2021-08-30 17:55:31,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-30 17:55:31,429 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2021-08-30 17:55:31,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-30 17:55:31,432 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) Word has length 19 [2021-08-30 17:55:31,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-30 17:55:31,439 INFO L225 Difference]: With dead ends: 25 [2021-08-30 17:55:31,439 INFO L226 Difference]: Without dead ends: 22 [2021-08-30 17:55:31,441 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 53.10ms TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-30 17:55:31,448 INFO L928 BasicCegarLoop]: 10 mSDtfsCounter, 6 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.91ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.32ms IncrementalHoareTripleChecker+Time [2021-08-30 17:55:31,450 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 49 Invalid, 67 Unknown, 0 Unchecked, 3.91ms Time], IncrementalHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 52.32ms Time] [2021-08-30 17:55:31,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-08-30 17:55:31,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-08-30 17:55:31,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 5 states have call successors, (5), 5 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-08-30 17:55:31,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2021-08-30 17:55:31,490 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 19 [2021-08-30 17:55:31,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-30 17:55:31,491 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2021-08-30 17:55:31,491 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (4), 3 states have call predecessors, (4), 1 states have call successors, (4) [2021-08-30 17:55:31,491 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2021-08-30 17:55:31,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-08-30 17:55:31,492 INFO L505 BasicCegarLoop]: Found error trace [2021-08-30 17:55:31,492 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-30 17:55:31,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-08-30 17:55:31,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-30 17:55:31,695 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-08-30 17:55:31,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-30 17:55:31,696 INFO L82 PathProgramCache]: Analyzing trace with hash -461173850, now seen corresponding path program 1 times [2021-08-30 17:55:31,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-30 17:55:31,696 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [71348436] [2021-08-30 17:55:31,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-30 17:55:31,696 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-30 17:55:31,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-30 17:55:31,701 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-30 17:55:31,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-08-30 17:55:31,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-30 17:55:31,843 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-30 17:55:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-30 17:55:31,931 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-08-30 17:55:31,932 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-08-30 17:55:31,933 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK (73 of 74 remaining) [2021-08-30 17:55:31,935 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION (72 of 74 remaining) [2021-08-30 17:55:31,935 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION (71 of 74 remaining) [2021-08-30 17:55:31,935 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION (70 of 74 remaining) [2021-08-30 17:55:31,935 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION (69 of 74 remaining) [2021-08-30 17:55:31,935 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION (68 of 74 remaining) [2021-08-30 17:55:31,935 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION (67 of 74 remaining) [2021-08-30 17:55:31,936 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION (66 of 74 remaining) [2021-08-30 17:55:31,936 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION (65 of 74 remaining) [2021-08-30 17:55:31,936 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION (64 of 74 remaining) [2021-08-30 17:55:31,936 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION (63 of 74 remaining) [2021-08-30 17:55:31,936 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION (62 of 74 remaining) [2021-08-30 17:55:31,936 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION (61 of 74 remaining) [2021-08-30 17:55:31,937 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION (60 of 74 remaining) [2021-08-30 17:55:31,937 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION (59 of 74 remaining) [2021-08-30 17:55:31,937 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION (58 of 74 remaining) [2021-08-30 17:55:31,937 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION (57 of 74 remaining) [2021-08-30 17:55:31,937 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION (56 of 74 remaining) [2021-08-30 17:55:31,937 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION (55 of 74 remaining) [2021-08-30 17:55:31,937 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION (54 of 74 remaining) [2021-08-30 17:55:31,938 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION (53 of 74 remaining) [2021-08-30 17:55:31,938 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION (52 of 74 remaining) [2021-08-30 17:55:31,938 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION (51 of 74 remaining) [2021-08-30 17:55:31,938 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION (50 of 74 remaining) [2021-08-30 17:55:31,938 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION (49 of 74 remaining) [2021-08-30 17:55:31,939 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION (48 of 74 remaining) [2021-08-30 17:55:31,939 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION (47 of 74 remaining) [2021-08-30 17:55:31,939 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION (46 of 74 remaining) [2021-08-30 17:55:31,939 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION (45 of 74 remaining) [2021-08-30 17:55:31,939 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION (44 of 74 remaining) [2021-08-30 17:55:31,940 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION (43 of 74 remaining) [2021-08-30 17:55:31,940 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION (42 of 74 remaining) [2021-08-30 17:55:31,940 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION (41 of 74 remaining) [2021-08-30 17:55:31,940 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION (40 of 74 remaining) [2021-08-30 17:55:31,940 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION (39 of 74 remaining) [2021-08-30 17:55:31,941 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION (38 of 74 remaining) [2021-08-30 17:55:31,941 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION (37 of 74 remaining) [2021-08-30 17:55:31,941 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION (36 of 74 remaining) [2021-08-30 17:55:31,941 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION (35 of 74 remaining) [2021-08-30 17:55:31,941 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION (34 of 74 remaining) [2021-08-30 17:55:31,942 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION (33 of 74 remaining) [2021-08-30 17:55:31,942 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION (32 of 74 remaining) [2021-08-30 17:55:31,942 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION (31 of 74 remaining) [2021-08-30 17:55:31,942 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE (30 of 74 remaining) [2021-08-30 17:55:31,943 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE (29 of 74 remaining) [2021-08-30 17:55:31,943 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE (28 of 74 remaining) [2021-08-30 17:55:31,943 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE (27 of 74 remaining) [2021-08-30 17:55:31,943 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE (26 of 74 remaining) [2021-08-30 17:55:31,943 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE (25 of 74 remaining) [2021-08-30 17:55:31,944 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION (24 of 74 remaining) [2021-08-30 17:55:31,944 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION (23 of 74 remaining) [2021-08-30 17:55:31,944 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION (22 of 74 remaining) [2021-08-30 17:55:31,944 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION (21 of 74 remaining) [2021-08-30 17:55:31,944 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION (20 of 74 remaining) [2021-08-30 17:55:31,945 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION (19 of 74 remaining) [2021-08-30 17:55:31,945 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION (18 of 74 remaining) [2021-08-30 17:55:31,945 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION (17 of 74 remaining) [2021-08-30 17:55:31,945 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE (16 of 74 remaining) [2021-08-30 17:55:31,945 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE (15 of 74 remaining) [2021-08-30 17:55:31,946 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE (14 of 74 remaining) [2021-08-30 17:55:31,946 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE (13 of 74 remaining) [2021-08-30 17:55:31,946 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE (12 of 74 remaining) [2021-08-30 17:55:31,946 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE (11 of 74 remaining) [2021-08-30 17:55:31,947 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION (10 of 74 remaining) [2021-08-30 17:55:31,947 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION (9 of 74 remaining) [2021-08-30 17:55:31,947 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION (8 of 74 remaining) [2021-08-30 17:55:31,947 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION (7 of 74 remaining) [2021-08-30 17:55:31,947 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION (6 of 74 remaining) [2021-08-30 17:55:31,948 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION (5 of 74 remaining) [2021-08-30 17:55:31,948 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION (4 of 74 remaining) [2021-08-30 17:55:31,948 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION (3 of 74 remaining) [2021-08-30 17:55:31,948 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location disconnect_9Err0ASSERT_VIOLATIONMEMORY_FREE (2 of 74 remaining) [2021-08-30 17:55:31,948 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location disconnect_9Err1ASSERT_VIOLATIONMEMORY_FREE (1 of 74 remaining) [2021-08-30 17:55:31,949 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location disconnect_9Err2ASSERT_VIOLATIONMEMORY_FREE (0 of 74 remaining) [2021-08-30 17:55:31,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-08-30 17:55:32,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-30 17:55:32,164 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-30 17:55:32,171 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-08-30 17:55:32,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 05:55:32 BoogieIcfgContainer [2021-08-30 17:55:32,181 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-30 17:55:32,181 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-30 17:55:32,181 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-30 17:55:32,182 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-30 17:55:32,182 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 05:55:30" (3/4) ... [2021-08-30 17:55:32,184 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-30 17:55:32,184 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-30 17:55:32,189 INFO L158 Benchmark]: Toolchain (without parser) took 2769.50ms. Allocated memory was 54.5MB in the beginning and 92.3MB in the end (delta: 37.7MB). Free memory was 30.0MB in the beginning and 59.2MB in the end (delta: -29.2MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2021-08-30 17:55:32,189 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 54.5MB. Free memory was 36.7MB in the beginning and 36.6MB in the end (delta: 34.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-30 17:55:32,190 INFO L158 Benchmark]: CACSL2BoogieTranslator took 519.95ms. Allocated memory was 54.5MB in the beginning and 75.5MB in the end (delta: 21.0MB). Free memory was 29.8MB in the beginning and 40.5MB in the end (delta: -10.7MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2021-08-30 17:55:32,192 INFO L158 Benchmark]: Boogie Preprocessor took 114.84ms. Allocated memory is still 75.5MB. Free memory was 40.5MB in the beginning and 35.8MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-30 17:55:32,193 INFO L158 Benchmark]: RCFGBuilder took 647.14ms. Allocated memory is still 75.5MB. Free memory was 35.8MB in the beginning and 45.0MB in the end (delta: -9.2MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2021-08-30 17:55:32,193 INFO L158 Benchmark]: TraceAbstraction took 1474.69ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 44.6MB in the beginning and 59.8MB in the end (delta: -15.2MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2021-08-30 17:55:32,195 INFO L158 Benchmark]: Witness Printer took 3.13ms. Allocated memory is still 92.3MB. Free memory was 59.8MB in the beginning and 59.2MB in the end (delta: 548.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-30 17:55:32,197 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 54.5MB. Free memory was 36.7MB in the beginning and 36.6MB in the end (delta: 34.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 519.95ms. Allocated memory was 54.5MB in the beginning and 75.5MB in the end (delta: 21.0MB). Free memory was 29.8MB in the beginning and 40.5MB in the end (delta: -10.7MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 114.84ms. Allocated memory is still 75.5MB. Free memory was 40.5MB in the beginning and 35.8MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 647.14ms. Allocated memory is still 75.5MB. Free memory was 35.8MB in the beginning and 45.0MB in the end (delta: -9.2MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1474.69ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 44.6MB in the beginning and 59.8MB in the end (delta: -15.2MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. * Witness Printer took 3.13ms. Allocated memory is still 92.3MB. Free memory was 59.8MB in the beginning and 59.2MB in the end (delta: 548.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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 The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 772]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 772. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L757] int *a9; VAL [\old(a9)=null, \old(a9)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a9={0:0}, ldv_global_msg_list={-2147483648:0}] [L773] CALL entry_point() VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={-2147483648:0}] [L766] CALL, EXPR probe_9_2() VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={-2147483648:0}] [L759] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(a9)=null, \old(a9)=null, \old(size)=4, a9={0:0}, ldv_global_msg_list={-2147483648:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L759] RET, EXPR ldv_malloc(sizeof(int)) VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={-2147483648:0}, ldv_malloc(sizeof(int))={1:0}] [L759] a9 = (int *)ldv_malloc(sizeof(int)) [L760] return - -3; VAL [\old(a9)=null, \old(a9)=null, \result=3, a9={1:0}, ldv_global_msg_list={-2147483648:0}] [L766] RET, EXPR probe_9_2() VAL [\old(a9)=null, \old(a9)=null, a9={1:0}, ldv_global_msg_list={-2147483648:0}, probe_9_2()=3] [L766] int ret = probe_9_2(); [L767] COND FALSE !(ret==0) VAL [\old(a9)=null, \old(a9)=null, a9={1:0}, ldv_global_msg_list={-2147483648:0}, ret=3] [L770] a9 = 0 VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={-2147483648:0}, ret=3] [L773] RET entry_point() VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={-2147483648:0}] - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 593]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 594]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 763]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 344 locations, 74 error locations. Started 1 CEGAR loops. OverallTime: 1416.33ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 10.45ms, AutomataDifference: 133.01ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 0.00ms, InitialAbstractionConstructionTime: 8.48ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 52.32ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 49 SdHoareTripleChecker+Invalid, 40.86ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 85 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 67 IncrementalHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 10 mSDtfsCounter, 67 mSolverCounterSat, 3.91ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 53.10ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 27.58ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 28.27ms SsaConstructionTime, 67.48ms SatisfiabilityAnalysisTime, 303.44ms InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 56 SizeOfPredicates, 0 NumberOfNonLiveVariables, 93 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-08-30 17:55:32,254 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...