./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 54858612 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_test16_2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ea1fbe157ea6ed0e661f632bb00aba6515b6f780 .................................................................................................................................. 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_test16_2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ea1fbe157ea6ed0e661f632bb00aba6515b6f780 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 03:38:41,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 03:38:41,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 03:38:42,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 03:38:42,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 03:38:42,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 03:38:42,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 03:38:42,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 03:38:42,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 03:38:42,036 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 03:38:42,044 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 03:38:42,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 03:38:42,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 03:38:42,049 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 03:38:42,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 03:38:42,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 03:38:42,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 03:38:42,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 03:38:42,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 03:38:42,059 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 03:38:42,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 03:38:42,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 03:38:42,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 03:38:42,067 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 03:38:42,070 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 03:38:42,071 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 03:38:42,071 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 03:38:42,072 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 03:38:42,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 03:38:42,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 03:38:42,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 03:38:42,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 03:38:42,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 03:38:42,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 03:38:42,079 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 03:38:42,079 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 03:38:42,080 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 03:38:42,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 03:38:42,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 03:38:42,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 03:38:42,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 03:38:42,088 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-26 03:38:42,138 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 03:38:42,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 03:38:42,142 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 03:38:42,143 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 03:38:42,144 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 03:38:42,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 03:38:42,144 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 03:38:42,144 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 03:38:42,145 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 03:38:42,145 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 03:38:42,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 03:38:42,147 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-26 03:38:42,147 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-26 03:38:42,147 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-26 03:38:42,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 03:38:42,147 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-26 03:38:42,148 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 03:38:42,148 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 03:38:42,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 03:38:42,149 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 03:38:42,149 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 03:38:42,149 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 03:38:42,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 03:38:42,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 03:38:42,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 03:38:42,150 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 03:38:42,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 03:38:42,151 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 03:38:42,151 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea1fbe157ea6ed0e661f632bb00aba6515b6f780 [2020-10-26 03:38:42,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 03:38:42,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 03:38:42,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 03:38:42,710 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 03:38:42,713 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 03:38:42,714 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2020-10-26 03:38:42,798 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07e98f10c/c7d9beb30bb84f48b2d2328fafff391b/FLAG77dc73b48 [2020-10-26 03:38:43,380 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 03:38:43,381 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2020-10-26 03:38:43,400 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07e98f10c/c7d9beb30bb84f48b2d2328fafff391b/FLAG77dc73b48 [2020-10-26 03:38:43,661 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07e98f10c/c7d9beb30bb84f48b2d2328fafff391b [2020-10-26 03:38:43,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 03:38:43,670 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-26 03:38:43,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 03:38:43,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 03:38:43,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 03:38:43,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 03:38:43" (1/1) ... [2020-10-26 03:38:43,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ccbe9b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:38:43, skipping insertion in model container [2020-10-26 03:38:43,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 03:38:43" (1/1) ... [2020-10-26 03:38:43,691 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 03:38:43,766 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 03:38:44,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 03:38:44,277 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-10-26 03:38:44,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@72eb8e3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:38:44, skipping insertion in model container [2020-10-26 03:38:44,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 03:38:44,279 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-26 03:38:44,281 INFO L168 Benchmark]: Toolchain (without parser) took 614.51 ms. Allocated memory is still 44.0 MB. Free memory was 20.6 MB in the beginning and 27.2 MB in the end (delta: -6.6 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. [2020-10-26 03:38:44,283 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 44.0 MB. Free memory was 28.8 MB in the beginning and 28.7 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 03:38:44,284 INFO L168 Benchmark]: CACSL2BoogieTranslator took 606.91 ms. Allocated memory is still 44.0 MB. Free memory was 20.0 MB in the beginning and 27.2 MB in the end (delta: -7.3 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. [2020-10-26 03:38:44,286 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 44.0 MB. Free memory was 28.8 MB in the beginning and 28.7 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 606.91 ms. Allocated memory is still 44.0 MB. Free memory was 20.0 MB in the beginning and 27.2 MB in the end (delta: -7.3 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-5485861 [2020-10-26 03:38:46,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 03:38:46,652 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 03:38:46,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 03:38:46,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 03:38:46,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 03:38:46,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 03:38:46,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 03:38:46,704 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 03:38:46,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 03:38:46,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 03:38:46,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 03:38:46,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 03:38:46,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 03:38:46,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 03:38:46,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 03:38:46,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 03:38:46,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 03:38:46,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 03:38:46,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 03:38:46,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 03:38:46,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 03:38:46,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 03:38:46,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 03:38:46,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 03:38:46,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 03:38:46,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 03:38:46,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 03:38:46,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 03:38:46,733 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 03:38:46,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 03:38:46,734 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 03:38:46,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 03:38:46,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 03:38:46,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 03:38:46,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 03:38:46,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 03:38:46,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 03:38:46,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 03:38:46,741 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 03:38:46,742 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 03:38:46,744 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-26 03:38:46,775 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 03:38:46,776 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 03:38:46,779 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 03:38:46,780 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 03:38:46,780 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 03:38:46,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 03:38:46,781 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 03:38:46,781 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 03:38:46,781 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 03:38:46,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 03:38:46,783 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 03:38:46,783 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-26 03:38:46,783 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-26 03:38:46,784 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-26 03:38:46,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 03:38:46,784 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-26 03:38:46,785 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-26 03:38:46,785 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-26 03:38:46,785 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 03:38:46,785 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 03:38:46,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 03:38:46,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 03:38:46,786 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 03:38:46,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 03:38:46,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 03:38:46,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 03:38:46,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 03:38:46,788 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-26 03:38:46,788 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-26 03:38:46,788 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 03:38:46,788 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-26 03:38:46,789 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea1fbe157ea6ed0e661f632bb00aba6515b6f780 [2020-10-26 03:38:47,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 03:38:47,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 03:38:47,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 03:38:47,286 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 03:38:47,287 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 03:38:47,288 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2020-10-26 03:38:47,376 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad4f7dad9/d33babe91c6e40c08d3939d62f3902f3/FLAG728218646 [2020-10-26 03:38:48,173 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 03:38:48,174 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test16_2.i [2020-10-26 03:38:48,209 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad4f7dad9/d33babe91c6e40c08d3939d62f3902f3/FLAG728218646 [2020-10-26 03:38:48,432 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad4f7dad9/d33babe91c6e40c08d3939d62f3902f3 [2020-10-26 03:38:48,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 03:38:48,451 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-26 03:38:48,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 03:38:48,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 03:38:48,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 03:38:48,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 03:38:48" (1/1) ... [2020-10-26 03:38:48,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c530365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:38:48, skipping insertion in model container [2020-10-26 03:38:48,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 03:38:48" (1/1) ... [2020-10-26 03:38:48,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 03:38:48,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 03:38:49,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 03:38:49,131 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-10-26 03:38:49,141 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 03:38:49,193 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 03:38:49,211 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 03:38:49,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 03:38:49,434 INFO L208 MainTranslator]: Completed translation [2020-10-26 03:38:49,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:38:49 WrapperNode [2020-10-26 03:38:49,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 03:38:49,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 03:38:49,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 03:38:49,437 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 03:38:49,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:38:49" (1/1) ... [2020-10-26 03:38:49,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:38:49" (1/1) ... [2020-10-26 03:38:49,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:38:49" (1/1) ... [2020-10-26 03:38:49,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:38:49" (1/1) ... [2020-10-26 03:38:49,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:38:49" (1/1) ... [2020-10-26 03:38:49,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:38:49" (1/1) ... [2020-10-26 03:38:49,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:38:49" (1/1) ... [2020-10-26 03:38:49,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 03:38:49,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 03:38:49,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 03:38:49,587 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 03:38:49,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:38:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 03:38:49,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-26 03:38:49,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 03:38:49,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-26 03:38:49,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-10-26 03:38:49,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-26 03:38:49,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-26 03:38:49,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2020-10-26 03:38:49,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2020-10-26 03:38:49,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2020-10-26 03:38:49,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2020-10-26 03:38:49,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2020-10-26 03:38:49,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-26 03:38:49,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-26 03:38:49,680 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-10-26 03:38:49,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-10-26 03:38:49,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-10-26 03:38:49,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-10-26 03:38:49,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-10-26 03:38:49,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-10-26 03:38:49,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2020-10-26 03:38:49,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2020-10-26 03:38:49,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2020-10-26 03:38:49,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2020-10-26 03:38:49,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2020-10-26 03:38:49,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2020-10-26 03:38:49,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2020-10-26 03:38:49,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2020-10-26 03:38:49,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2020-10-26 03:38:49,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2020-10-26 03:38:49,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2020-10-26 03:38:49,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2020-10-26 03:38:49,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2020-10-26 03:38:49,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2020-10-26 03:38:49,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2020-10-26 03:38:49,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2020-10-26 03:38:49,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2020-10-26 03:38:49,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2020-10-26 03:38:49,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2020-10-26 03:38:49,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2020-10-26 03:38:49,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2020-10-26 03:38:49,686 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-10-26 03:38:49,686 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-10-26 03:38:49,686 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_16 [2020-10-26 03:38:49,686 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2020-10-26 03:38:49,687 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-26 03:38:49,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-26 03:38:49,688 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-26 03:38:49,688 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-26 03:38:49,688 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-26 03:38:49,689 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-26 03:38:49,689 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-26 03:38:49,690 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-26 03:38:49,690 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-26 03:38:49,690 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-26 03:38:49,690 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-26 03:38:49,690 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-26 03:38:49,691 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-26 03:38:49,691 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-26 03:38:49,691 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-26 03:38:49,692 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-26 03:38:49,692 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-26 03:38:49,693 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-26 03:38:49,693 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-26 03:38:49,694 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-26 03:38:49,694 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-26 03:38:49,694 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-26 03:38:49,696 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2020-10-26 03:38:49,697 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2020-10-26 03:38:49,697 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2020-10-26 03:38:49,697 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-26 03:38:49,697 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-26 03:38:49,697 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-26 03:38:49,698 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-26 03:38:49,698 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-26 03:38:49,698 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-26 03:38:49,698 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-26 03:38:49,698 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-26 03:38:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-26 03:38:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-26 03:38:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-26 03:38:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-26 03:38:49,701 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-26 03:38:49,701 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-26 03:38:49,701 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-26 03:38:49,701 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-26 03:38:49,701 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-26 03:38:49,701 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-26 03:38:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-26 03:38:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-26 03:38:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-26 03:38:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-26 03:38:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-26 03:38:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-26 03:38:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-26 03:38:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-26 03:38:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-26 03:38:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-26 03:38:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-26 03:38:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-26 03:38:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-26 03:38:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-26 03:38:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-26 03:38:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-26 03:38:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-26 03:38:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-26 03:38:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-26 03:38:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-26 03:38:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-26 03:38:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-26 03:38:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-26 03:38:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-26 03:38:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-26 03:38:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-26 03:38:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-26 03:38:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-26 03:38:49,708 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-26 03:38:49,708 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-26 03:38:49,708 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-26 03:38:49,708 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-26 03:38:49,708 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-26 03:38:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-26 03:38:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-26 03:38:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-26 03:38:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-26 03:38:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-26 03:38:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-26 03:38:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-26 03:38:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-26 03:38:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-26 03:38:49,716 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-26 03:38:49,716 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-26 03:38:49,717 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-26 03:38:49,718 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-26 03:38:49,718 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-26 03:38:49,718 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-26 03:38:49,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-26 03:38:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-26 03:38:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-26 03:38:49,728 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-26 03:38:49,728 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-26 03:38:49,728 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-26 03:38:49,729 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-26 03:38:49,729 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-26 03:38:49,729 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-26 03:38:49,729 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-26 03:38:49,729 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-26 03:38:49,730 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-26 03:38:49,730 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-26 03:38:49,730 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-26 03:38:49,730 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-26 03:38:49,730 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-26 03:38:49,731 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-26 03:38:49,731 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-26 03:38:49,731 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-26 03:38:49,731 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-26 03:38:49,731 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-26 03:38:49,731 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-26 03:38:49,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2020-10-26 03:38:49,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2020-10-26 03:38:49,732 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-26 03:38:49,732 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-26 03:38:49,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-26 03:38:49,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-26 03:38:49,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-26 03:38:49,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-26 03:38:49,733 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-10-26 03:38:49,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-26 03:38:49,733 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-10-26 03:38:49,734 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-10-26 03:38:49,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-10-26 03:38:49,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-26 03:38:49,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-10-26 03:38:49,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-10-26 03:38:49,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2020-10-26 03:38:49,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2020-10-26 03:38:49,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-26 03:38:49,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2020-10-26 03:38:49,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 03:38:49,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2020-10-26 03:38:49,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2020-10-26 03:38:49,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2020-10-26 03:38:49,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2020-10-26 03:38:49,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2020-10-26 03:38:49,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-26 03:38:49,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-26 03:38:49,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2020-10-26 03:38:49,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2020-10-26 03:38:49,737 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-26 03:38:49,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2020-10-26 03:38:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2020-10-26 03:38:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2020-10-26 03:38:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2020-10-26 03:38:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2020-10-26 03:38:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2020-10-26 03:38:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2020-10-26 03:38:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2020-10-26 03:38:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2020-10-26 03:38:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2020-10-26 03:38:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2020-10-26 03:38:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-26 03:38:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-10-26 03:38:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-10-26 03:38:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_16 [2020-10-26 03:38:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2020-10-26 03:38:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-26 03:38:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-26 03:38:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 03:38:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-26 03:38:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 03:38:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-10-26 03:38:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2020-10-26 03:38:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2020-10-26 03:38:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-26 03:38:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-26 03:38:50,503 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-26 03:38:50,948 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-26 03:38:51,289 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 03:38:51,289 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-26 03:38:51,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 03:38:51 BoogieIcfgContainer [2020-10-26 03:38:51,292 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 03:38:51,294 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 03:38:51,295 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 03:38:51,298 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 03:38:51,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 03:38:48" (1/3) ... [2020-10-26 03:38:51,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53761034 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 03:38:51, skipping insertion in model container [2020-10-26 03:38:51,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:38:49" (2/3) ... [2020-10-26 03:38:51,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53761034 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 03:38:51, skipping insertion in model container [2020-10-26 03:38:51,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 03:38:51" (3/3) ... [2020-10-26 03:38:51,302 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test16_2.i [2020-10-26 03:38:51,315 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-26 03:38:51,328 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 71 error locations. [2020-10-26 03:38:51,348 INFO L253 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2020-10-26 03:38:51,370 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 03:38:51,371 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-26 03:38:51,371 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-26 03:38:51,371 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 03:38:51,371 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 03:38:51,372 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 03:38:51,372 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 03:38:51,372 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 03:38:51,390 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2020-10-26 03:38:51,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-26 03:38:51,399 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 03:38:51,400 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 03:38:51,401 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-26 03:38:51,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 03:38:51,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1104597720, now seen corresponding path program 1 times [2020-10-26 03:38:51,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-26 03:38:51,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [4210612] [2020-10-26 03:38:51,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-26 03:38:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 03:38:51,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-26 03:38:51,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 03:38:51,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 03:38:51,670 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-26 03:38:51,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 03:38:51,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [4210612] [2020-10-26 03:38:51,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-26 03:38:51,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-26 03:38:51,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901711308] [2020-10-26 03:38:51,762 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-26 03:38:51,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-26 03:38:51,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 03:38:51,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 03:38:51,781 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 3 states. [2020-10-26 03:38:51,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 03:38:51,847 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2020-10-26 03:38:51,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 03:38:51,849 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-10-26 03:38:51,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 03:38:51,858 INFO L225 Difference]: With dead ends: 35 [2020-10-26 03:38:51,859 INFO L226 Difference]: Without dead ends: 23 [2020-10-26 03:38:51,860 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 03:38:51,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-10-26 03:38:51,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-10-26 03:38:51,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-26 03:38:51,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 22 transitions. [2020-10-26 03:38:51,899 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 22 transitions. Word has length 16 [2020-10-26 03:38:51,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 03:38:51,900 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 22 transitions. [2020-10-26 03:38:51,900 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-26 03:38:51,900 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 22 transitions. [2020-10-26 03:38:51,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-26 03:38:51,901 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 03:38:51,901 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 03:38:52,122 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-26 03:38:52,123 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION, ldv_list_addErr1REQUIRES_VIOLATION, ldv_list_addErr0REQUIRES_VIOLATION, ldv_kobject_createErr1REQUIRES_VIOLATION, ldv_kobject_createErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr4REQUIRES_VIOLATION, ldv_destroy_msgsErr3REQUIRES_VIOLATION, ldv_destroy_msgsErr2REQUIRES_VIOLATION, ldv_destroy_msgsErr1REQUIRES_VIOLATION, ldv_destroy_msgsErr0REQUIRES_VIOLATION, ldv_destroy_msgsErr5REQUIRES_VIOLATION, ldv_msg_fillErr1REQUIRES_VIOLATION, ldv_msg_fillErr5REQUIRES_VIOLATION, ldv_msg_fillErr0REQUIRES_VIOLATION, ldv_msg_fillErr4REQUIRES_VIOLATION, ldv_msg_fillErr2REQUIRES_VIOLATION, ldv_msg_fillErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr1REQUIRES_VIOLATION, ldv_atomic_add_returnErr0REQUIRES_VIOLATION, ldv_atomic_add_returnErr3REQUIRES_VIOLATION, ldv_atomic_add_returnErr2REQUIRES_VIOLATION, __ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_delErr1REQUIRES_VIOLATION, __ldv_list_delErr2REQUIRES_VIOLATION, __ldv_list_delErr3REQUIRES_VIOLATION, ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr1REQUIRES_VIOLATION, ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_kobject_cleanupErr0REQUIRES_VIOLATION, ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr1REQUIRES_VIOLATION, ldv_msg_freeErr0REQUIRES_VIOLATION, ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE, ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION, LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION, ldv_list_delErr2REQUIRES_VIOLATION, ldv_list_delErr1REQUIRES_VIOLATION, ldv_list_delErr3REQUIRES_VIOLATION, ldv_list_delErr0REQUIRES_VIOLATION, __ldv_list_addErr5REQUIRES_VIOLATION, __ldv_list_addErr0REQUIRES_VIOLATION, __ldv_list_addErr1REQUIRES_VIOLATION, __ldv_list_addErr6REQUIRES_VIOLATION, __ldv_list_addErr7REQUIRES_VIOLATION, __ldv_list_addErr2REQUIRES_VIOLATION, __ldv_list_addErr3REQUIRES_VIOLATION, __ldv_list_addErr4REQUIRES_VIOLATION, ldv_dev_set_drvdataErr0REQUIRES_VIOLATION, ldv_dev_set_drvdataErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr1REQUIRES_VIOLATION, ldv_atomic_sub_returnErr0REQUIRES_VIOLATION, ldv_atomic_sub_returnErr3REQUIRES_VIOLATION, ldv_atomic_sub_returnErr2REQUIRES_VIOLATION, ldv_list_add_tailErr0REQUIRES_VIOLATION, ldv_list_add_tailErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr1REQUIRES_VIOLATION, ldv_dev_get_drvdataErr0REQUIRES_VIOLATION, ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION]=== [2020-10-26 03:38:52,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 03:38:52,125 INFO L82 PathProgramCache]: Analyzing trace with hash -295878751, now seen corresponding path program 1 times [2020-10-26 03:38:52,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-26 03:38:52,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [252235232] [2020-10-26 03:38:52,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-26 03:38:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 03:38:52,310 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 03:38:52,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 03:38:52,347 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 03:38:52,403 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-26 03:38:52,404 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-26 03:38:52,607 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-26 03:38:52,620 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2020-10-26 03:38:52,625 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2020-10-26 03:38:52,626 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2020-10-26 03:38:52,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 03:38:52 BoogieIcfgContainer [2020-10-26 03:38:52,635 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 03:38:52,636 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 03:38:52,636 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 03:38:52,636 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 03:38:52,637 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 03:38:51" (3/4) ... [2020-10-26 03:38:52,640 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 03:38:52,641 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 03:38:52,643 INFO L168 Benchmark]: Toolchain (without parser) took 4201.99 ms. Allocated memory was 48.2 MB in the beginning and 86.0 MB in the end (delta: 37.7 MB). Free memory was 22.5 MB in the beginning and 38.4 MB in the end (delta: -15.9 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. [2020-10-26 03:38:52,644 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 48.2 MB. Free memory was 30.1 MB in the beginning and 30.0 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 03:38:52,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 975.88 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 32.9 MB in the beginning and 27.0 MB in the end (delta: 5.8 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2020-10-26 03:38:52,646 INFO L168 Benchmark]: Boogie Preprocessor took 149.37 ms. Allocated memory is still 58.7 MB. Free memory was 27.0 MB in the beginning and 37.6 MB in the end (delta: -10.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-26 03:38:52,647 INFO L168 Benchmark]: RCFGBuilder took 1705.72 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 37.6 MB in the beginning and 45.8 MB in the end (delta: -8.2 MB). Peak memory consumption was 28.1 MB. Max. memory is 16.1 GB. [2020-10-26 03:38:52,648 INFO L168 Benchmark]: TraceAbstraction took 1340.98 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 45.5 MB in the beginning and 38.4 MB in the end (delta: 7.1 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. [2020-10-26 03:38:52,649 INFO L168 Benchmark]: Witness Printer took 4.96 ms. Allocated memory is still 86.0 MB. Free memory is still 38.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 03:38:52,653 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 48.2 MB. Free memory was 30.1 MB in the beginning and 30.0 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 975.88 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 32.9 MB in the beginning and 27.0 MB in the end (delta: 5.8 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 149.37 ms. Allocated memory is still 58.7 MB. Free memory was 27.0 MB in the beginning and 37.6 MB in the end (delta: -10.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1705.72 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 37.6 MB in the beginning and 45.8 MB in the end (delta: -8.2 MB). Peak memory consumption was 28.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1340.98 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 45.5 MB in the beginning and 38.4 MB in the end (delta: 7.1 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. * Witness Printer took 4.96 ms. Allocated memory is still 86.0 MB. Free memory is still 38.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 5bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 7bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 771]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 771. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [\old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, ldv_global_msg_list={3:0}] [L772] CALL entry_point() VAL [ldv_global_msg_list={3:0}] [L768] int condition = __VERIFIER_nondet_int(); [L769] CALL, EXPR alloc_16(condition) VAL [\old(condition)=2147483648, ldv_global_msg_list={3:0}] [L761] COND TRUE \read(condition) VAL [\old(condition)=2147483648, condition=2147483648, ldv_global_msg_list={3:0}] [L762] CALL, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(size)=4, ldv_global_msg_list={3:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); VAL [\old(size)=4, \result={1:0}, ldv_global_msg_list={3:0}, malloc(size)={1:0}, size=4] [L762] RET, EXPR ldv_malloc(sizeof(struct A16)) VAL [\old(condition)=2147483648, condition=2147483648, ldv_global_msg_list={3:0}, ldv_malloc(sizeof(struct A16))={1:0}] [L762] struct A16 *p = (struct A16 *)ldv_malloc(sizeof(struct A16)); [L763] return p; VAL [\old(condition)=2147483648, \result={1:0}, condition=2147483648, ldv_global_msg_list={3:0}, p={1:0}] [L769] RET, EXPR alloc_16(condition) VAL [alloc_16(condition)={1:0}, condition=2147483648, ldv_global_msg_list={3:0}] [L769] struct A16 *p = alloc_16(condition); [L772] RET entry_point() VAL [ldv_global_msg_list={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 48 procedures, 336 locations, 71 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 24 SDtfs, 6 SDslu, 8 SDs, 0 SdLazy, 13 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 1110 SizeOfPredicates, 0 NumberOfNonLiveVariables, 61 ConjunctsInSsa, 6 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 Received shutdown request...