./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 20ed64ec 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_test5_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 7619b94c95edf7a1d85f42db59dce2bf3c10f3b9 ................................................................................................................................... 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_test5_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 7619b94c95edf7a1d85f42db59dce2bf3c10f3b9 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 06:23:52,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 06:23:52,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 06:23:52,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 06:23:52,989 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 06:23:52,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 06:23:52,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 06:23:52,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 06:23:53,014 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 06:23:53,019 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 06:23:53,020 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 06:23:53,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 06:23:53,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 06:23:53,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 06:23:53,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 06:23:53,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 06:23:53,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 06:23:53,033 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 06:23:53,035 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 06:23:53,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 06:23:53,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 06:23:53,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 06:23:53,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 06:23:53,044 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 06:23:53,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 06:23:53,049 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 06:23:53,049 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 06:23:53,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 06:23:53,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 06:23:53,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 06:23:53,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 06:23:53,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 06:23:53,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 06:23:53,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 06:23:53,054 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 06:23:53,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 06:23:53,055 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 06:23:53,055 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 06:23:53,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 06:23:53,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 06:23:53,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 06:23:53,058 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-08-27 06:23:53,083 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 06:23:53,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 06:23:53,084 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 06:23:53,084 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 06:23:53,085 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 06:23:53,086 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 06:23:53,086 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 06:23:53,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 06:23:53,086 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 06:23:53,086 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 06:23:53,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 06:23:53,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 06:23:53,087 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 06:23:53,087 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-27 06:23:53,087 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-27 06:23:53,087 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-27 06:23:53,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 06:23:53,088 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-27 06:23:53,088 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 06:23:53,088 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 06:23:53,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 06:23:53,088 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 06:23:53,088 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 06:23:53,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 06:23:53,089 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 06:23:53,089 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 06:23:53,089 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 06:23:53,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-27 06:23:53,089 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 06:23:53,089 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7619b94c95edf7a1d85f42db59dce2bf3c10f3b9 [2021-08-27 06:23:53,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 06:23:53,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 06:23:53,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 06:23:53,346 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 06:23:53,346 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 06:23:53,347 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2021-08-27 06:23:53,400 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d21ef943/c05ff66701944ab9b8c9061bee4c12aa/FLAG3722f15c2 [2021-08-27 06:23:53,832 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 06:23:53,835 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2021-08-27 06:23:53,849 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d21ef943/c05ff66701944ab9b8c9061bee4c12aa/FLAG3722f15c2 [2021-08-27 06:23:53,864 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d21ef943/c05ff66701944ab9b8c9061bee4c12aa [2021-08-27 06:23:53,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 06:23:53,867 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-27 06:23:53,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 06:23:53,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 06:23:53,872 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 06:23:53,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:23:53" (1/1) ... [2021-08-27 06:23:53,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@138882e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:23:53, skipping insertion in model container [2021-08-27 06:23:53,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:23:53" (1/1) ... [2021-08-27 06:23:53,879 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 06:23:53,900 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 06:23:54,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 06:23:54,162 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) [2021-08-27 06:23:54,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@54a97759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:23:54, skipping insertion in model container [2021-08-27 06:23:54,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 06:23:54,163 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-08-27 06:23:54,166 INFO L168 Benchmark]: Toolchain (without parser) took 297.51 ms. Allocated memory is still 58.7 MB. Free memory was 35.3 MB in the beginning and 37.8 MB in the end (delta: -2.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-08-27 06:23:54,167 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 58.7 MB. Free memory was 40.2 MB in the beginning and 40.2 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 06:23:54,168 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.51 ms. Allocated memory is still 58.7 MB. Free memory was 35.1 MB in the beginning and 37.8 MB in the end (delta: -2.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-08-27 06:23:54,169 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 58.7 MB. Free memory was 40.2 MB in the beginning and 40.2 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 294.51 ms. Allocated memory is still 58.7 MB. Free memory was 35.1 MB in the beginning and 37.8 MB in the end (delta: -2.7 MB). Peak memory consumption was 12.6 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 0.2.1-dev-20ed64e [2021-08-27 06:23:55,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 06:23:55,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 06:23:55,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 06:23:55,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 06:23:55,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 06:23:55,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 06:23:55,593 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 06:23:55,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 06:23:55,594 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 06:23:55,595 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 06:23:55,596 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 06:23:55,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 06:23:55,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 06:23:55,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 06:23:55,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 06:23:55,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 06:23:55,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 06:23:55,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 06:23:55,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 06:23:55,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 06:23:55,604 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 06:23:55,604 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 06:23:55,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 06:23:55,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 06:23:55,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 06:23:55,607 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 06:23:55,608 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 06:23:55,608 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 06:23:55,609 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 06:23:55,609 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 06:23:55,609 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 06:23:55,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 06:23:55,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 06:23:55,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 06:23:55,611 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 06:23:55,612 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 06:23:55,612 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 06:23:55,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 06:23:55,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 06:23:55,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 06:23:55,614 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-08-27 06:23:55,633 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 06:23:55,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 06:23:55,633 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 06:23:55,634 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 06:23:55,634 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 06:23:55,634 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 06:23:55,635 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 06:23:55,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 06:23:55,635 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 06:23:55,635 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 06:23:55,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 06:23:55,635 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 06:23:55,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 06:23:55,635 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-27 06:23:55,635 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-27 06:23:55,635 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-27 06:23:55,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 06:23:55,636 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-27 06:23:55,636 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-27 06:23:55,636 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-27 06:23:55,636 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 06:23:55,636 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 06:23:55,636 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 06:23:55,636 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 06:23:55,636 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 06:23:55,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 06:23:55,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 06:23:55,637 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 06:23:55,637 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-27 06:23:55,637 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-27 06:23:55,637 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 06:23:55,637 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-27 06:23:55,637 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7619b94c95edf7a1d85f42db59dce2bf3c10f3b9 [2021-08-27 06:23:55,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 06:23:55,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 06:23:55,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 06:23:55,925 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 06:23:55,925 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 06:23:55,926 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2021-08-27 06:23:55,974 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c16c1ae0/80b9ee0c4e99457dbee94aba3f1b0821/FLAG9d714cba0 [2021-08-27 06:23:56,370 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 06:23:56,371 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test5_2.i [2021-08-27 06:23:56,387 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c16c1ae0/80b9ee0c4e99457dbee94aba3f1b0821/FLAG9d714cba0 [2021-08-27 06:23:56,399 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c16c1ae0/80b9ee0c4e99457dbee94aba3f1b0821 [2021-08-27 06:23:56,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 06:23:56,403 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-27 06:23:56,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 06:23:56,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 06:23:56,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 06:23:56,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:23:56" (1/1) ... [2021-08-27 06:23:56,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e457b28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:23:56, skipping insertion in model container [2021-08-27 06:23:56,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 06:23:56" (1/1) ... [2021-08-27 06:23:56,413 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 06:23:56,463 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 06:23:56,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 06:23:56,759 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-08-27 06:23:56,772 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 06:23:56,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 06:23:56,829 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 06:23:56,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 06:23:56,896 INFO L208 MainTranslator]: Completed translation [2021-08-27 06:23:56,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:23:56 WrapperNode [2021-08-27 06:23:56,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 06:23:56,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 06:23:56,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 06:23:56,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 06:23:56,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:23:56" (1/1) ... [2021-08-27 06:23:56,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:23:56" (1/1) ... [2021-08-27 06:23:56,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:23:56" (1/1) ... [2021-08-27 06:23:56,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:23:56" (1/1) ... [2021-08-27 06:23:56,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:23:56" (1/1) ... [2021-08-27 06:23:56,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:23:56" (1/1) ... [2021-08-27 06:23:56,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:23:56" (1/1) ... [2021-08-27 06:23:56,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 06:23:56,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 06:23:56,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 06:23:56,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 06:23:56,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:23:56" (1/1) ... [2021-08-27 06:23:56,977 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 06:23:56,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 06:23:56,998 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) [2021-08-27 06:23:57,012 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 [2021-08-27 06:23:57,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-08-27 06:23:57,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 06:23:57,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-08-27 06:23:57,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-08-27 06:23:57,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-08-27 06:23:57,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-08-27 06:23:57,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-08-27 06:23:57,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-08-27 06:23:57,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-08-27 06:23:57,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive [2021-08-27 06:23:57,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_positive [2021-08-27 06:23:57,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-08-27 06:23:57,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-08-27 06:23:57,038 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2021-08-27 06:23:57,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-08-27 06:23:57,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2021-08-27 06:23:57,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2021-08-27 06:23:57,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2021-08-27 06:23:57,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2021-08-27 06:23:57,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2021-08-27 06:23:57,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2021-08-27 06:23:57,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2021-08-27 06:23:57,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2021-08-27 06:23:57,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2021-08-27 06:23:57,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-08-27 06:23:57,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-08-27 06:23:57,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return [2021-08-27 06:23:57,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return [2021-08-27 06:23:57,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_sub [2021-08-27 06:23:57,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_init [2021-08-27 06:23:57,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_get [2021-08-27 06:23:57,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put [2021-08-27 06:23:57,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_del [2021-08-27 06:23:57,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2021-08-27 06:23:57,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2021-08-27 06:23:57,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2021-08-27 06:23:57,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_get [2021-08-27 06:23:57,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal [2021-08-27 06:23:57,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_init [2021-08-27 06:23:57,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_create [2021-08-27 06:23:57,040 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-08-27 06:23:57,040 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2021-08-27 06:23:57,040 INFO L138 BoogieDeclarations]: Found implementation of procedure f5 [2021-08-27 06:23:57,040 INFO L138 BoogieDeclarations]: Found implementation of procedure g5 [2021-08-27 06:23:57,041 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2021-08-27 06:23:57,041 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-08-27 06:23:57,041 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-08-27 06:23:57,041 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-08-27 06:23:57,041 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-08-27 06:23:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-08-27 06:23:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-08-27 06:23:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-08-27 06:23:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-08-27 06:23:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-08-27 06:23:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-08-27 06:23:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-08-27 06:23:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-08-27 06:23:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-08-27 06:23:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-08-27 06:23:57,043 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-08-27 06:23:57,043 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-08-27 06:23:57,043 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-08-27 06:23:57,043 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-08-27 06:23:57,044 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-08-27 06:23:57,044 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-08-27 06:23:57,044 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-08-27 06:23:57,044 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-08-27 06:23:57,044 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-08-27 06:23:57,044 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-08-27 06:23:57,044 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-08-27 06:23:57,044 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-08-27 06:23:57,044 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-08-27 06:23:57,045 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-08-27 06:23:57,045 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-08-27 06:23:57,045 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-08-27 06:23:57,045 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-08-27 06:23:57,045 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-08-27 06:23:57,045 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-08-27 06:23:57,045 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-08-27 06:23:57,045 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-08-27 06:23:57,045 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-08-27 06:23:57,045 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-08-27 06:23:57,045 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-08-27 06:23:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-08-27 06:23:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-08-27 06:23:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-08-27 06:23:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-08-27 06:23:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-08-27 06:23:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-08-27 06:23:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-08-27 06:23:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-08-27 06:23:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-08-27 06:23:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-08-27 06:23:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-08-27 06:23:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-08-27 06:23:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-08-27 06:23:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-08-27 06:23:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-08-27 06:23:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-08-27 06:23:57,047 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-08-27 06:23:57,047 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-08-27 06:23:57,047 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-08-27 06:23:57,047 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-08-27 06:23:57,047 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-08-27 06:23:57,047 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-08-27 06:23:57,047 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-08-27 06:23:57,047 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-08-27 06:23:57,047 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-08-27 06:23:57,047 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-08-27 06:23:57,047 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-08-27 06:23:57,047 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-08-27 06:23:57,047 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-08-27 06:23:57,047 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-08-27 06:23:57,047 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-08-27 06:23:57,047 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-08-27 06:23:57,048 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-08-27 06:23:57,048 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-08-27 06:23:57,048 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-08-27 06:23:57,048 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-08-27 06:23:57,048 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-08-27 06:23:57,048 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-08-27 06:23:57,048 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-08-27 06:23:57,048 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-08-27 06:23:57,049 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-08-27 06:23:57,050 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-08-27 06:23:57,051 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-08-27 06:23:57,051 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-08-27 06:23:57,051 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-08-27 06:23:57,052 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-08-27 06:23:57,052 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-08-27 06:23:57,052 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-08-27 06:23:57,052 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-08-27 06:23:57,053 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-08-27 06:23:57,057 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-08-27 06:23:57,057 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-08-27 06:23:57,057 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-08-27 06:23:57,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-08-27 06:23:57,057 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-08-27 06:23:57,057 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-08-27 06:23:57,057 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-08-27 06:23:57,057 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-08-27 06:23:57,057 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-08-27 06:23:57,057 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-08-27 06:23:57,057 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-08-27 06:23:57,057 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-08-27 06:23:57,057 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-08-27 06:23:57,057 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-08-27 06:23:57,057 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-08-27 06:23:57,057 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-08-27 06:23:57,057 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-08-27 06:23:57,058 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-08-27 06:23:57,058 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-08-27 06:23:57,058 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-08-27 06:23:57,058 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-08-27 06:23:57,058 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-08-27 06:23:57,058 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-08-27 06:23:57,058 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-08-27 06:23:57,058 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-08-27 06:23:57,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive [2021-08-27 06:23:57,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_positive [2021-08-27 06:23:57,058 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-08-27 06:23:57,058 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-08-27 06:23:57,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-08-27 06:23:57,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-27 06:23:57,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-08-27 06:23:57,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-08-27 06:23:57,058 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2021-08-27 06:23:57,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-27 06:23:57,058 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-08-27 06:23:57,058 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2021-08-27 06:23:57,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2021-08-27 06:23:57,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-08-27 06:23:57,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2021-08-27 06:23:57,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2021-08-27 06:23:57,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2021-08-27 06:23:57,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2021-08-27 06:23:57,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-08-27 06:23:57,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2021-08-27 06:23:57,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-27 06:23:57,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2021-08-27 06:23:57,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2021-08-27 06:23:57,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-08-27 06:23:57,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-08-27 06:23:57,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return [2021-08-27 06:23:57,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-08-27 06:23:57,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-08-27 06:23:57,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return [2021-08-27 06:23:57,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_sub [2021-08-27 06:23:57,059 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-08-27 06:23:57,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_init [2021-08-27 06:23:57,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_get [2021-08-27 06:23:57,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put [2021-08-27 06:23:57,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_del [2021-08-27 06:23:57,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2021-08-27 06:23:57,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2021-08-27 06:23:57,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2021-08-27 06:23:57,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_get [2021-08-27 06:23:57,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal [2021-08-27 06:23:57,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_init [2021-08-27 06:23:57,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_create [2021-08-27 06:23:57,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-08-27 06:23:57,060 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-08-27 06:23:57,060 INFO L130 BoogieDeclarations]: Found specification of procedure g [2021-08-27 06:23:57,060 INFO L130 BoogieDeclarations]: Found specification of procedure f5 [2021-08-27 06:23:57,060 INFO L130 BoogieDeclarations]: Found specification of procedure g5 [2021-08-27 06:23:57,060 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2021-08-27 06:23:57,060 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-08-27 06:23:57,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-08-27 06:23:57,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 06:23:57,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-08-27 06:23:57,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 06:23:57,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-08-27 06:23:57,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-08-27 06:23:57,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-08-27 06:23:57,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-08-27 06:23:57,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-08-27 06:23:57,663 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 06:23:57,888 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-27 06:23:58,105 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 06:23:58,105 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-08-27 06:23:58,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 06:23:58 BoogieIcfgContainer [2021-08-27 06:23:58,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 06:23:58,108 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-27 06:23:58,108 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-27 06:23:58,110 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-27 06:23:58,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 06:23:56" (1/3) ... [2021-08-27 06:23:58,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b04c60f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 06:23:58, skipping insertion in model container [2021-08-27 06:23:58,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 06:23:56" (2/3) ... [2021-08-27 06:23:58,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b04c60f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 06:23:58, skipping insertion in model container [2021-08-27 06:23:58,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 06:23:58" (3/3) ... [2021-08-27 06:23:58,112 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test5_2.i [2021-08-27 06:23:58,115 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-27 06:23:58,115 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2021-08-27 06:23:58,140 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-27 06:23:58,144 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 [2021-08-27 06:23:58,144 INFO L340 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2021-08-27 06:23:58,153 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 78 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) [2021-08-27 06:23:58,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-08-27 06:23:58,157 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:23:58,158 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 06:23:58,158 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting g5Err0ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] === [2021-08-27 06:23:58,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:23:58,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1865659629, now seen corresponding path program 1 times [2021-08-27 06:23:58,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:23:58,169 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [39739771] [2021-08-27 06:23:58,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:23:58,169 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:23:58,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:23:58,173 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) [2021-08-27 06:23:58,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-08-27 06:23:58,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 06:23:58,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-27 06:23:58,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 06:23:58,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:23:58,573 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 06:23:58,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 06:23:58,713 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 06:23:58,713 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [39739771] [2021-08-27 06:23:58,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [39739771] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 06:23:58,714 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 06:23:58,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2021-08-27 06:23:58,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289936239] [2021-08-27 06:23:58,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-27 06:23:58,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 06:23:58,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-27 06:23:58,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-27 06:23:58,735 INFO L87 Difference]: Start difference. First operand has 104 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 78 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 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-27 06:23:58,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 06:23:58,785 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2021-08-27 06:23:58,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-27 06:23:58,787 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2021-08-27 06:23:58,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 06:23:58,791 INFO L225 Difference]: With dead ends: 28 [2021-08-27 06:23:58,791 INFO L226 Difference]: Without dead ends: 25 [2021-08-27 06:23:58,792 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 47.1ms TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-08-27 06:23:58,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-08-27 06:23:58,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-08-27 06:23:58,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-08-27 06:23:58,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2021-08-27 06:23:58,811 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 20 [2021-08-27 06:23:58,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 06:23:58,811 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2021-08-27 06:23:58,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-08-27 06:23:58,811 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2021-08-27 06:23:58,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-27 06:23:58,812 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 06:23:58,812 INFO L512 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, 1, 1] [2021-08-27 06:23:58,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-08-27 06:23:59,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 06:23:59,028 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)] === [2021-08-27 06:23:59,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 06:23:59,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1573100356, now seen corresponding path program 1 times [2021-08-27 06:23:59,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 06:23:59,029 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [679267266] [2021-08-27 06:23:59,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 06:23:59,029 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 06:23:59,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 06:23:59,032 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) [2021-08-27 06:23:59,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-08-27 06:23:59,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 06:23:59,193 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 06:23:59,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 06:23:59,248 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-08-27 06:23:59,249 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-27 06:23:59,250 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-08-27 06:23:59,251 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION [2021-08-27 06:23:59,251 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION [2021-08-27 06:23:59,251 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION [2021-08-27 06:23:59,251 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION [2021-08-27 06:23:59,251 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION [2021-08-27 06:23:59,251 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION [2021-08-27 06:23:59,251 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION [2021-08-27 06:23:59,251 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION [2021-08-27 06:23:59,251 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION [2021-08-27 06:23:59,252 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION [2021-08-27 06:23:59,252 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION [2021-08-27 06:23:59,252 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION [2021-08-27 06:23:59,252 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION [2021-08-27 06:23:59,252 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION [2021-08-27 06:23:59,252 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION [2021-08-27 06:23:59,252 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION [2021-08-27 06:23:59,252 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION [2021-08-27 06:23:59,252 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION [2021-08-27 06:23:59,252 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION [2021-08-27 06:23:59,252 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION [2021-08-27 06:23:59,252 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION [2021-08-27 06:23:59,253 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION [2021-08-27 06:23:59,253 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION [2021-08-27 06:23:59,253 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION [2021-08-27 06:23:59,253 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION [2021-08-27 06:23:59,253 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION [2021-08-27 06:23:59,253 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION [2021-08-27 06:23:59,253 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION [2021-08-27 06:23:59,253 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION [2021-08-27 06:23:59,253 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION [2021-08-27 06:23:59,253 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION [2021-08-27 06:23:59,253 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION [2021-08-27 06:23:59,253 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION [2021-08-27 06:23:59,254 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION [2021-08-27 06:23:59,254 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION [2021-08-27 06:23:59,254 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION [2021-08-27 06:23:59,254 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION [2021-08-27 06:23:59,254 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION [2021-08-27 06:23:59,254 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION [2021-08-27 06:23:59,254 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION [2021-08-27 06:23:59,254 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION [2021-08-27 06:23:59,254 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION [2021-08-27 06:23:59,254 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:23:59,254 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:23:59,255 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:23:59,255 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:23:59,255 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:23:59,255 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:23:59,255 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION [2021-08-27 06:23:59,255 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION [2021-08-27 06:23:59,255 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION [2021-08-27 06:23:59,255 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION [2021-08-27 06:23:59,255 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION [2021-08-27 06:23:59,255 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION [2021-08-27 06:23:59,255 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION [2021-08-27 06:23:59,255 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION [2021-08-27 06:23:59,256 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:23:59,256 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:23:59,256 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:23:59,256 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:23:59,256 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:23:59,256 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:23:59,256 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location g5Err0ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:23:59,256 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location g5Err1ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:23:59,256 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location g5Err2ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 06:23:59,256 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION [2021-08-27 06:23:59,257 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION [2021-08-27 06:23:59,257 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION [2021-08-27 06:23:59,257 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION [2021-08-27 06:23:59,257 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION [2021-08-27 06:23:59,257 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION [2021-08-27 06:23:59,257 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION [2021-08-27 06:23:59,257 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION [2021-08-27 06:23:59,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-08-27 06:23:59,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 06:23:59,471 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-27 06:23:59,477 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2021-08-27 06:23:59,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 06:23:59 BoogieIcfgContainer [2021-08-27 06:23:59,487 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-27 06:23:59,487 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 06:23:59,487 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 06:23:59,487 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 06:23:59,488 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 06:23:58" (3/4) ... [2021-08-27 06:23:59,490 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 06:23:59,490 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 06:23:59,491 INFO L168 Benchmark]: Toolchain (without parser) took 3087.22 ms. Allocated memory was 58.7 MB in the beginning and 104.9 MB in the end (delta: 46.1 MB). Free memory was 36.3 MB in the beginning and 64.6 MB in the end (delta: -28.3 MB). Peak memory consumption was 17.6 MB. Max. memory is 16.1 GB. [2021-08-27 06:23:59,492 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 58.7 MB. Free memory was 40.9 MB in the beginning and 40.9 MB in the end (delta: 44.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 06:23:59,492 INFO L168 Benchmark]: CACSL2BoogieTranslator took 492.79 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 36.2 MB in the beginning and 50.9 MB in the end (delta: -14.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2021-08-27 06:23:59,492 INFO L168 Benchmark]: Boogie Preprocessor took 60.13 ms. Allocated memory is still 71.3 MB. Free memory was 50.9 MB in the beginning and 46.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-08-27 06:23:59,493 INFO L168 Benchmark]: RCFGBuilder took 1148.29 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 46.1 MB in the beginning and 62.4 MB in the end (delta: -16.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 16.1 GB. [2021-08-27 06:23:59,494 INFO L168 Benchmark]: TraceAbstraction took 1378.83 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 62.4 MB in the beginning and 64.6 MB in the end (delta: -2.2 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2021-08-27 06:23:59,494 INFO L168 Benchmark]: Witness Printer took 2.86 ms. Allocated memory is still 104.9 MB. Free memory is still 64.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 06:23:59,496 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 58.7 MB. Free memory was 40.9 MB in the beginning and 40.9 MB in the end (delta: 44.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 492.79 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 36.2 MB in the beginning and 50.9 MB in the end (delta: -14.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.13 ms. Allocated memory is still 71.3 MB. Free memory was 50.9 MB in the beginning and 46.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1148.29 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 46.1 MB in the beginning and 62.4 MB in the end (delta: -16.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1378.83 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 62.4 MB in the beginning and 64.6 MB in the end (delta: -2.2 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. * Witness Printer took 2.86 ms. Allocated memory is still 104.9 MB. Free memory is still 64.6 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 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, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 770]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 770. 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={-2147483648:0}] [L771] CALL entry_point() VAL [ldv_global_msg_list={-2147483648:0}] [L767] CALL, EXPR f5() VAL [ldv_global_msg_list={-2147483648:0}] [L758] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={-2147483648:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L758] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={-2147483648:0}, ldv_malloc(sizeof(int))={1:0}] [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L759] return 0; VAL [\result={0:0}, ldv_global_msg_list={-2147483648:0}, p={1:0}] [L767] RET, EXPR f5() VAL [f5()={0:0}, ldv_global_msg_list={-2147483648:0}] [L767] int *p = f5(); [L768] CALL g5(p) VAL [ldv_global_msg_list={-2147483648:0}, p={0:0}] [L762] COND FALSE !(\read(*p)) VAL [ldv_global_msg_list={-2147483648:0}, p={0:0}, p={0:0}] [L768] RET g5(p) VAL [ldv_global_msg_list={-2147483648:0}, p={0:0}] [L771] RET entry_point() VAL [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: 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. - 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. - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 344 locations, 74 error locations. Started 1 CEGAR loops. OverallTime: 1330.0ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 7.3ms, AutomataDifference: 72.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 24 SDtfs, 6 SDslu, 113 SDs, 0 SdLazy, 18 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 47.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 10.4ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 20.3ms SsaConstructionTime, 34.6ms SatisfiabilityAnalysisTime, 354.0ms InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 110 SizeOfPredicates, 2 NumberOfNonLiveVariables, 81 ConjunctsInSsa, 11 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 [2021-08-27 06:23:59,531 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...