./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/lis_unsafe.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/array-memsafety/lis_unsafe.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 22d1ff4f4fd6702e3a4a8affc05625a9c9bb8113 ................................................................................................................................... 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/array-memsafety/lis_unsafe.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 22d1ff4f4fd6702e3a4a8affc05625a9c9bb8113 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 04:49:14,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 04:49:14,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 04:49:14,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 04:49:14,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 04:49:14,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 04:49:14,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 04:49:14,861 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 04:49:14,862 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 04:49:14,863 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 04:49:14,863 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 04:49:14,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 04:49:14,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 04:49:14,865 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 04:49:14,866 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 04:49:14,867 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 04:49:14,867 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 04:49:14,868 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 04:49:14,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 04:49:14,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 04:49:14,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 04:49:14,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 04:49:14,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 04:49:14,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 04:49:14,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 04:49:14,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 04:49:14,875 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 04:49:14,876 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 04:49:14,876 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 04:49:14,877 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 04:49:14,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 04:49:14,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 04:49:14,878 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 04:49:14,879 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 04:49:14,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 04:49:14,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 04:49:14,881 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 04:49:14,882 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 04:49:14,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 04:49:14,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 04:49:14,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 04:49:14,884 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-08-27 04:49:14,907 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 04:49:14,908 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 04:49:14,909 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 04:49:14,909 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 04:49:14,910 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 04:49:14,910 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 04:49:14,910 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 04:49:14,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 04:49:14,910 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 04:49:14,910 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 04:49:14,911 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 04:49:14,911 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 04:49:14,911 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 04:49:14,911 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-27 04:49:14,911 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-27 04:49:14,911 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-27 04:49:14,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 04:49:14,912 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-27 04:49:14,912 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 04:49:14,912 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 04:49:14,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 04:49:14,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 04:49:14,920 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 04:49:14,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 04:49:14,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 04:49:14,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 04:49:14,920 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 04:49:14,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-27 04:49:14,920 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 04:49:14,920 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22d1ff4f4fd6702e3a4a8affc05625a9c9bb8113 [2021-08-27 04:49:15,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 04:49:15,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 04:49:15,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 04:49:15,165 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 04:49:15,166 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 04:49:15,166 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/lis_unsafe.i [2021-08-27 04:49:15,213 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b79d7b4d/7e8e9e8f09d04235a94bd3a8f9168285/FLAG544f05db8 [2021-08-27 04:49:15,540 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 04:49:15,541 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/lis_unsafe.i [2021-08-27 04:49:15,547 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b79d7b4d/7e8e9e8f09d04235a94bd3a8f9168285/FLAG544f05db8 [2021-08-27 04:49:15,935 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b79d7b4d/7e8e9e8f09d04235a94bd3a8f9168285 [2021-08-27 04:49:15,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 04:49:15,941 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-27 04:49:15,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 04:49:15,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 04:49:15,947 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 04:49:15,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 04:49:15" (1/1) ... [2021-08-27 04:49:15,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19079af0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:15, skipping insertion in model container [2021-08-27 04:49:15,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 04:49:15" (1/1) ... [2021-08-27 04:49:15,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 04:49:15,973 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 04:49:16,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 04:49:16,144 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 04:49:16,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@71aa0eff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:16, skipping insertion in model container [2021-08-27 04:49:16,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 04:49:16,145 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-08-27 04:49:16,146 INFO L168 Benchmark]: Toolchain (without parser) took 204.49 ms. Allocated memory is still 69.2 MB. Free memory was 51.9 MB in the beginning and 41.1 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-08-27 04:49:16,147 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 69.2 MB. Free memory is still 52.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 04:49:16,147 INFO L168 Benchmark]: CACSL2BoogieTranslator took 202.98 ms. Allocated memory is still 69.2 MB. Free memory was 51.7 MB in the beginning and 41.1 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-08-27 04:49:16,148 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 69.2 MB. Free memory is still 52.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 202.98 ms. Allocated memory is still 69.2 MB. Free memory was 51.7 MB in the beginning and 41.1 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 515]: 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 04:49:17,466 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 04:49:17,468 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 04:49:17,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 04:49:17,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 04:49:17,500 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 04:49:17,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 04:49:17,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 04:49:17,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 04:49:17,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 04:49:17,517 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 04:49:17,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 04:49:17,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 04:49:17,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 04:49:17,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 04:49:17,524 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 04:49:17,525 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 04:49:17,525 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 04:49:17,526 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 04:49:17,527 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 04:49:17,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 04:49:17,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 04:49:17,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 04:49:17,534 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 04:49:17,538 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 04:49:17,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 04:49:17,538 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 04:49:17,539 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 04:49:17,539 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 04:49:17,540 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 04:49:17,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 04:49:17,540 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 04:49:17,541 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 04:49:17,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 04:49:17,542 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 04:49:17,542 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 04:49:17,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 04:49:17,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 04:49:17,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 04:49:17,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 04:49:17,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 04:49:17,548 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-08-27 04:49:17,567 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 04:49:17,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 04:49:17,568 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 04:49:17,568 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 04:49:17,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 04:49:17,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 04:49:17,569 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 04:49:17,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 04:49:17,569 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 04:49:17,569 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 04:49:17,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 04:49:17,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 04:49:17,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 04:49:17,569 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-27 04:49:17,570 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-27 04:49:17,570 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-27 04:49:17,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 04:49:17,570 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-27 04:49:17,570 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-27 04:49:17,570 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-27 04:49:17,570 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 04:49:17,570 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 04:49:17,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 04:49:17,570 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 04:49:17,570 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 04:49:17,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 04:49:17,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 04:49:17,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 04:49:17,571 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-27 04:49:17,571 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-27 04:49:17,571 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 04:49:17,571 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-27 04:49:17,572 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22d1ff4f4fd6702e3a4a8affc05625a9c9bb8113 [2021-08-27 04:49:17,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 04:49:17,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 04:49:17,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 04:49:17,833 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 04:49:17,834 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 04:49:17,836 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/lis_unsafe.i [2021-08-27 04:49:17,883 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55f3a50b5/caf79059293f4b0eb5f7a89d4e3b883b/FLAG9594fc61f [2021-08-27 04:49:18,252 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 04:49:18,253 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/lis_unsafe.i [2021-08-27 04:49:18,264 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55f3a50b5/caf79059293f4b0eb5f7a89d4e3b883b/FLAG9594fc61f [2021-08-27 04:49:18,630 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55f3a50b5/caf79059293f4b0eb5f7a89d4e3b883b [2021-08-27 04:49:18,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 04:49:18,633 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-27 04:49:18,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 04:49:18,634 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 04:49:18,638 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 04:49:18,639 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 04:49:18" (1/1) ... [2021-08-27 04:49:18,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76be3a57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:18, skipping insertion in model container [2021-08-27 04:49:18,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 04:49:18" (1/1) ... [2021-08-27 04:49:18,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 04:49:18,676 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 04:49:18,843 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 04:49:18,873 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-08-27 04:49:18,880 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 04:49:18,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 04:49:18,911 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 04:49:18,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 04:49:18,949 INFO L208 MainTranslator]: Completed translation [2021-08-27 04:49:18,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:18 WrapperNode [2021-08-27 04:49:18,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 04:49:18,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 04:49:18,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 04:49:18,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 04:49:18,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:18" (1/1) ... [2021-08-27 04:49:18,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:18" (1/1) ... [2021-08-27 04:49:18,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:18" (1/1) ... [2021-08-27 04:49:18,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:18" (1/1) ... [2021-08-27 04:49:18,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:18" (1/1) ... [2021-08-27 04:49:18,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:18" (1/1) ... [2021-08-27 04:49:18,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:18" (1/1) ... [2021-08-27 04:49:18,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 04:49:18,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 04:49:18,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 04:49:18,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 04:49:18,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:18" (1/1) ... [2021-08-27 04:49:18,992 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 04:49:18,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 04:49:19,007 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 04:49:19,020 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 04:49:19,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-08-27 04:49:19,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 04:49:19,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-08-27 04:49:19,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-08-27 04:49:19,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-08-27 04:49:19,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2021-08-27 04:49:19,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2021-08-27 04:49:19,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2021-08-27 04:49:19,041 INFO L138 BoogieDeclarations]: Found implementation of procedure lis [2021-08-27 04:49:19,041 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-08-27 04:49:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-08-27 04:49:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-08-27 04:49:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-08-27 04:49:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-08-27 04:49:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-08-27 04:49:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-08-27 04:49:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-08-27 04:49:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-08-27 04:49:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-08-27 04:49:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-08-27 04:49:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-08-27 04:49:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-08-27 04:49:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-08-27 04:49:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-08-27 04:49:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-08-27 04:49:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-08-27 04:49:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-08-27 04:49:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-08-27 04:49:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2021-08-27 04:49:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2021-08-27 04:49:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2021-08-27 04:49:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-08-27 04:49:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-08-27 04:49:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-08-27 04:49:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-08-27 04:49:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-08-27 04:49:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-08-27 04:49:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-08-27 04:49:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-08-27 04:49:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-08-27 04:49:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-08-27 04:49:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-08-27 04:49:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-08-27 04:49:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-08-27 04:49:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-08-27 04:49:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-08-27 04:49:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-08-27 04:49:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-08-27 04:49:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-08-27 04:49:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-08-27 04:49:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-08-27 04:49:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-08-27 04:49:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-08-27 04:49:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-08-27 04:49:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-08-27 04:49:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-08-27 04:49:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-08-27 04:49:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-08-27 04:49:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-08-27 04:49:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-08-27 04:49:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-08-27 04:49:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-08-27 04:49:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-08-27 04:49:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-08-27 04:49:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-08-27 04:49:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-08-27 04:49:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-08-27 04:49:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-08-27 04:49:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-08-27 04:49:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-08-27 04:49:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-08-27 04:49:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-08-27 04:49:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-08-27 04:49:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-08-27 04:49:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-08-27 04:49:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-08-27 04:49:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-08-27 04:49:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-08-27 04:49:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-08-27 04:49:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-08-27 04:49:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-08-27 04:49:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-08-27 04:49:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-08-27 04:49:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-08-27 04:49:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-08-27 04:49:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-08-27 04:49:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-08-27 04:49:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-08-27 04:49:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-08-27 04:49:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-08-27 04:49:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-08-27 04:49:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-08-27 04:49:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-08-27 04:49:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-08-27 04:49:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-08-27 04:49:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-08-27 04:49:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-08-27 04:49:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-08-27 04:49:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-08-27 04:49:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-08-27 04:49:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-08-27 04:49:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-08-27 04:49:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-08-27 04:49:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-08-27 04:49:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-08-27 04:49:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-08-27 04:49:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-08-27 04:49:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-08-27 04:49:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-08-27 04:49:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-08-27 04:49:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-08-27 04:49:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-08-27 04:49:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-08-27 04:49:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-08-27 04:49:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-08-27 04:49:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-08-27 04:49:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-08-27 04:49:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-08-27 04:49:19,060 INFO L130 BoogieDeclarations]: Found specification of procedure lis [2021-08-27 04:49:19,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-27 04:49:19,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-08-27 04:49:19,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-08-27 04:49:19,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-27 04:49:19,060 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-08-27 04:49:19,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-08-27 04:49:19,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 04:49:19,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-08-27 04:49:19,561 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 04:49:19,561 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-08-27 04:49:19,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 04:49:19 BoogieIcfgContainer [2021-08-27 04:49:19,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 04:49:19,563 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-27 04:49:19,563 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-27 04:49:19,565 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-27 04:49:19,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 04:49:18" (1/3) ... [2021-08-27 04:49:19,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28c8ce8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 04:49:19, skipping insertion in model container [2021-08-27 04:49:19,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:49:18" (2/3) ... [2021-08-27 04:49:19,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28c8ce8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 04:49:19, skipping insertion in model container [2021-08-27 04:49:19,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 04:49:19" (3/3) ... [2021-08-27 04:49:19,566 INFO L111 eAbstractionObserver]: Analyzing ICFG lis_unsafe.i [2021-08-27 04:49:19,569 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-27 04:49:19,570 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2021-08-27 04:49:19,594 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-27 04:49:19,599 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 04:49:19,599 INFO L340 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2021-08-27 04:49:19,610 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 43 states have (on average 1.9534883720930232) internal successors, (84), 72 states have internal predecessors, (84), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-08-27 04:49:19,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-08-27 04:49:19,625 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 04:49:19,625 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 04:49:19,625 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting lisErr0REQUIRES_VIOLATION === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, lisErr0REQUIRES_VIOLATION, lisErr1REQUIRES_VIOLATION, lisErr2REQUIRES_VIOLATION, lisErr3REQUIRES_VIOLATION (and 24 more)] === [2021-08-27 04:49:19,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 04:49:19,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1899922095, now seen corresponding path program 1 times [2021-08-27 04:49:19,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 04:49:19,641 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [395364929] [2021-08-27 04:49:19,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 04:49:19,641 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 04:49:19,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 04:49:19,654 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 04:49:19,676 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 04:49:19,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 04:49:19,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 04:49:19,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 04:49:19,864 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-08-27 04:49:19,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 14 [2021-08-27 04:49:19,897 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 04:49:19,898 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 04:49:19,962 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 04:49:19,963 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 04:49:19,963 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [395364929] [2021-08-27 04:49:19,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [395364929] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 04:49:19,964 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 04:49:19,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-08-27 04:49:19,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157133392] [2021-08-27 04:49:19,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-27 04:49:19,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 04:49:19,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 04:49:19,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 04:49:19,982 INFO L87 Difference]: Start difference. First operand has 79 states, 43 states have (on average 1.9534883720930232) internal successors, (84), 72 states have internal predecessors, (84), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-08-27 04:49:20,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 04:49:20,112 INFO L93 Difference]: Finished difference Result 71 states and 78 transitions. [2021-08-27 04:49:20,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 04:49:20,114 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2021-08-27 04:49:20,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 04:49:20,118 INFO L225 Difference]: With dead ends: 71 [2021-08-27 04:49:20,118 INFO L226 Difference]: Without dead ends: 68 [2021-08-27 04:49:20,119 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 04:49:20,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-08-27 04:49:20,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2021-08-27 04:49:20,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 42 states have (on average 1.6666666666666667) internal successors, (70), 62 states have internal predecessors, (70), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-08-27 04:49:20,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 75 transitions. [2021-08-27 04:49:20,151 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 75 transitions. Word has length 11 [2021-08-27 04:49:20,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 04:49:20,151 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 75 transitions. [2021-08-27 04:49:20,151 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-08-27 04:49:20,151 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2021-08-27 04:49:20,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-08-27 04:49:20,151 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 04:49:20,152 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 04:49:20,161 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 04:49:20,352 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 04:49:20,352 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting lisErr1REQUIRES_VIOLATION === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, lisErr0REQUIRES_VIOLATION, lisErr1REQUIRES_VIOLATION, lisErr2REQUIRES_VIOLATION, lisErr3REQUIRES_VIOLATION (and 24 more)] === [2021-08-27 04:49:20,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 04:49:20,353 INFO L82 PathProgramCache]: Analyzing trace with hash -1899922094, now seen corresponding path program 1 times [2021-08-27 04:49:20,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 04:49:20,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [329172452] [2021-08-27 04:49:20,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 04:49:20,354 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 04:49:20,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 04:49:20,354 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 04:49:20,356 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 04:49:20,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 04:49:20,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-27 04:49:20,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 04:49:20,506 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-08-27 04:49:20,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 21 [2021-08-27 04:49:20,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2021-08-27 04:49:20,578 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 04:49:20,578 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 04:49:20,767 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 04:49:20,767 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 04:49:20,768 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [329172452] [2021-08-27 04:49:20,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [329172452] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 04:49:20,768 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 04:49:20,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-08-27 04:49:20,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544309944] [2021-08-27 04:49:20,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-27 04:49:20,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 04:49:20,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-27 04:49:20,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-27 04:49:20,772 INFO L87 Difference]: Start difference. First operand 68 states and 75 transitions. Second operand has 8 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-08-27 04:49:21,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 04:49:21,542 INFO L93 Difference]: Finished difference Result 166 states and 186 transitions. [2021-08-27 04:49:21,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-27 04:49:21,542 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2021-08-27 04:49:21,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 04:49:21,545 INFO L225 Difference]: With dead ends: 166 [2021-08-27 04:49:21,545 INFO L226 Difference]: Without dead ends: 166 [2021-08-27 04:49:21,545 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 155.7ms TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-08-27 04:49:21,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2021-08-27 04:49:21,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 127. [2021-08-27 04:49:21,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 100 states have (on average 1.7) internal successors, (170), 120 states have internal predecessors, (170), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-08-27 04:49:21,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 177 transitions. [2021-08-27 04:49:21,564 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 177 transitions. Word has length 11 [2021-08-27 04:49:21,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 04:49:21,565 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 177 transitions. [2021-08-27 04:49:21,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-08-27 04:49:21,565 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 177 transitions. [2021-08-27 04:49:21,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-08-27 04:49:21,565 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 04:49:21,565 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 04:49:21,571 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 04:49:21,765 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 04:49:21,766 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting lisErr1REQUIRES_VIOLATION === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK, lisErr0REQUIRES_VIOLATION, lisErr1REQUIRES_VIOLATION, lisErr2REQUIRES_VIOLATION, lisErr3REQUIRES_VIOLATION (and 24 more)] === [2021-08-27 04:49:21,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 04:49:21,766 INFO L82 PathProgramCache]: Analyzing trace with hash -1898075052, now seen corresponding path program 1 times [2021-08-27 04:49:21,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 04:49:21,769 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [623083612] [2021-08-27 04:49:21,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 04:49:21,769 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 04:49:21,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 04:49:21,770 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 04:49:21,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-08-27 04:49:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 04:49:21,877 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 04:49:21,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 04:49:21,906 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-08-27 04:49:21,906 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-27 04:49:21,906 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location lisErr1REQUIRES_VIOLATION [2021-08-27 04:49:21,908 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK [2021-08-27 04:49:21,908 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr0REQUIRES_VIOLATION [2021-08-27 04:49:21,908 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr2REQUIRES_VIOLATION [2021-08-27 04:49:21,908 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr3REQUIRES_VIOLATION [2021-08-27 04:49:21,908 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr4REQUIRES_VIOLATION [2021-08-27 04:49:21,908 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr5REQUIRES_VIOLATION [2021-08-27 04:49:21,908 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr6REQUIRES_VIOLATION [2021-08-27 04:49:21,908 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr7REQUIRES_VIOLATION [2021-08-27 04:49:21,908 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr8REQUIRES_VIOLATION [2021-08-27 04:49:21,908 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr9REQUIRES_VIOLATION [2021-08-27 04:49:21,908 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr10REQUIRES_VIOLATION [2021-08-27 04:49:21,908 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr11REQUIRES_VIOLATION [2021-08-27 04:49:21,909 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr12REQUIRES_VIOLATION [2021-08-27 04:49:21,909 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr13REQUIRES_VIOLATION [2021-08-27 04:49:21,909 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr14REQUIRES_VIOLATION [2021-08-27 04:49:21,909 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr15REQUIRES_VIOLATION [2021-08-27 04:49:21,909 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr16REQUIRES_VIOLATION [2021-08-27 04:49:21,909 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr17REQUIRES_VIOLATION [2021-08-27 04:49:21,909 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr18REQUIRES_VIOLATION [2021-08-27 04:49:21,909 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr19REQUIRES_VIOLATION [2021-08-27 04:49:21,909 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr20REQUIRES_VIOLATION [2021-08-27 04:49:21,909 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr21REQUIRES_VIOLATION [2021-08-27 04:49:21,909 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr22ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 04:49:21,909 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr23ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 04:49:21,909 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr24ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 04:49:21,910 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr25ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 04:49:21,910 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr26ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 04:49:21,910 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location lisErr27ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 04:49:21,926 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-08-27 04:49:22,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 04:49:22,122 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-27 04:49:22,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 04:49:22 BoogieIcfgContainer [2021-08-27 04:49:22,133 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-27 04:49:22,134 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 04:49:22,134 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 04:49:22,134 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 04:49:22,134 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 04:49:19" (3/4) ... [2021-08-27 04:49:22,135 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-08-27 04:49:22,178 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-27 04:49:22,178 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 04:49:22,179 INFO L168 Benchmark]: Toolchain (without parser) took 3546.00 ms. Allocated memory was 56.6 MB in the beginning and 83.9 MB in the end (delta: 27.3 MB). Free memory was 35.9 MB in the beginning and 62.0 MB in the end (delta: -26.1 MB). Peak memory consumption was 39.3 MB. Max. memory is 16.1 GB. [2021-08-27 04:49:22,179 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 56.6 MB. Free memory is still 38.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 04:49:22,180 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.18 ms. Allocated memory is still 56.6 MB. Free memory was 35.7 MB in the beginning and 30.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-08-27 04:49:22,180 INFO L168 Benchmark]: Boogie Preprocessor took 36.85 ms. Allocated memory is still 56.6 MB. Free memory was 30.5 MB in the beginning and 27.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 04:49:22,184 INFO L168 Benchmark]: RCFGBuilder took 574.50 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 27.4 MB in the beginning and 44.4 MB in the end (delta: -17.0 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. [2021-08-27 04:49:22,184 INFO L168 Benchmark]: TraceAbstraction took 2570.40 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 44.0 MB in the beginning and 25.6 MB in the end (delta: 18.4 MB). Peak memory consumption was 32.8 MB. Max. memory is 16.1 GB. [2021-08-27 04:49:22,184 INFO L168 Benchmark]: Witness Printer took 44.62 ms. Allocated memory is still 83.9 MB. Free memory was 25.6 MB in the beginning and 62.0 MB in the end (delta: -36.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 04:49:22,185 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 56.6 MB. Free memory is still 38.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 316.18 ms. Allocated memory is still 56.6 MB. Free memory was 35.7 MB in the beginning and 30.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.85 ms. Allocated memory is still 56.6 MB. Free memory was 30.5 MB in the beginning and 27.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 574.50 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 27.4 MB in the beginning and 44.4 MB in the end (delta: -17.0 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2570.40 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 44.0 MB in the beginning and 25.6 MB in the end (delta: 18.4 MB). Peak memory consumption was 32.8 MB. Max. memory is 16.1 GB. * Witness Printer took 44.62 ms. Allocated memory is still 83.9 MB. Free memory was 25.6 MB in the beginning and 62.0 MB in the end (delta: -36.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * 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 - CounterExampleResult [Line: 518]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L531] int *a; [L532] int N = __VERIFIER_nondet_int(); [L533] COND FALSE !(N < 1) VAL [N=1073741824] [L535] CALL lis(a, N) VAL [\old(N)=1073741824, a={7:8}] [L514] int *best, *prev, i, j, max = 0; [L515] best = (int*) malloc(sizeof(int) * N) [L516] prev = (int*) malloc(sizeof(int) * N) [L517] i = 0 VAL [\old(N)=1073741824, a={7:8}, a={7:8}, best={2:0}, i=0, max=0, N=1073741824, prev={1:0}] [L517] COND TRUE i < N VAL [\old(N)=1073741824, a={7:8}, a={7:8}, best={2:0}, i=0, max=0, N=1073741824, prev={1:0}] [L518] best[i] = 1 - UnprovableResult [Line: 530]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 518]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 518]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 518]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 521]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 521]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 521]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 521]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 521]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 521]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 521]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 521]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 522]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 522]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 522]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 522]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 522]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 522]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 524]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 524]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 525]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 525]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 526]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 526]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 526]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 527]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 527]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 527]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 100 locations, 29 error locations. Started 1 CEGAR loops. OverallTime: 2527.1ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 18.1ms, AutomataDifference: 923.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 123 SDtfs, 184 SDslu, 363 SDs, 0 SdLazy, 246 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 682.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 166.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=2, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 41.9ms AutomataMinimizationTime, 2 MinimizatonAttempts, 39 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 23.5ms SsaConstructionTime, 43.9ms SatisfiabilityAnalysisTime, 507.8ms InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 40 ConstructedInterpolants, 2 QuantifiedInterpolants, 168 SizeOfPredicates, 7 NumberOfNonLiveVariables, 108 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 proved your program to be incorrect! [2021-08-27 04:49:22,215 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...