./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9a8b2e8d 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_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 86b203c3a804c103d90401bd32cfcff28939b920 ............................................................................................................................. 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_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 86b203c3a804c103d90401bd32cfcff28939b920 ................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:14:40,796 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:14:40,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:14:40,837 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:14:40,838 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:14:40,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:14:40,848 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:14:40,852 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:14:40,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:14:40,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:14:40,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:14:40,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:14:40,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:14:40,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:14:40,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:14:40,867 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:14:40,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:14:40,869 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:14:40,872 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:14:40,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:14:40,879 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:14:40,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:14:40,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:14:40,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:14:40,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:14:40,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:14:40,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:14:40,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:14:40,897 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:14:40,897 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:14:40,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:14:40,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:14:40,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:14:40,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:14:40,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:14:40,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:14:40,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:14:40,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:14:40,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:14:40,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:14:40,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:14:40,905 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-10-20 06:14:40,951 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:14:40,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:14:40,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:14:40,953 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:14:40,954 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:14:40,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:14:40,954 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 06:14:40,955 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:14:40,955 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:14:40,955 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 06:14:40,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:14:40,957 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:14:40,957 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:14:40,958 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:14:40,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:14:40,958 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:14:40,959 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 06:14:40,959 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:14:40,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:14:40,960 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:14:40,960 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:14:40,960 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:14:40,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:14:40,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:14:40,962 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:14:40,962 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:14:40,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:14:40,962 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:14:40,963 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86b203c3a804c103d90401bd32cfcff28939b920 [2020-10-20 06:14:41,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:14:41,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:14:41,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:14:41,189 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:14:41,190 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:14:41,190 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-1.i [2020-10-20 06:14:41,261 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0e4ca141/4c02f9a3768e47d3b8ec4a3b6d0335be/FLAG87e4c78e0 [2020-10-20 06:14:41,767 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:14:41,768 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-1.i [2020-10-20 06:14:41,789 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0e4ca141/4c02f9a3768e47d3b8ec4a3b6d0335be/FLAG87e4c78e0 [2020-10-20 06:14:42,108 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0e4ca141/4c02f9a3768e47d3b8ec4a3b6d0335be [2020-10-20 06:14:42,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:14:42,117 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:14:42,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:14:42,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:14:42,122 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:14:42,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:14:42" (1/1) ... [2020-10-20 06:14:42,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47659eb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:14:42, skipping insertion in model container [2020-10-20 06:14:42,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:14:42" (1/1) ... [2020-10-20 06:14:42,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:14:42,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:14:42,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:14:42,566 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-10-20 06:14:42,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4ffc2957 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:14:42, skipping insertion in model container [2020-10-20 06:14:42,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:14:42,568 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:14:42,571 INFO L168 Benchmark]: Toolchain (without parser) took 457.67 ms. Allocated memory was 35.7 MB in the beginning and 45.6 MB in the end (delta: 10.0 MB). Free memory was 8.4 MB in the beginning and 27.0 MB in the end (delta: -18.5 MB). Peak memory consumption was 7.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:14:42,572 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 35.7 MB. Free memory is still 14.9 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:14:42,574 INFO L168 Benchmark]: CACSL2BoogieTranslator took 449.28 ms. Allocated memory was 35.7 MB in the beginning and 45.6 MB in the end (delta: 10.0 MB). Free memory was 7.5 MB in the beginning and 27.0 MB in the end (delta: -19.5 MB). Peak memory consumption was 6.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:14:42,577 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 35.7 MB. Free memory is still 14.9 MB. There was no memory consumed. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 449.28 ms. Allocated memory was 35.7 MB in the beginning and 45.6 MB in the end (delta: 10.0 MB). Free memory was 7.5 MB in the beginning and 27.0 MB in the end (delta: -19.5 MB). Peak memory consumption was 6.1 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 562]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:14:44,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:14:44,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:14:44,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:14:44,467 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:14:44,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:14:44,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:14:44,471 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:14:44,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:14:44,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:14:44,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:14:44,476 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:14:44,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:14:44,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:14:44,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:14:44,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:14:44,480 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:14:44,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:14:44,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:14:44,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:14:44,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:14:44,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:14:44,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:14:44,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:14:44,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:14:44,500 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:14:44,500 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:14:44,501 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:14:44,501 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:14:44,502 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:14:44,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:14:44,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:14:44,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:14:44,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:14:44,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:14:44,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:14:44,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:14:44,510 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:14:44,510 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:14:44,511 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:14:44,518 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:14:44,518 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-10-20 06:14:44,557 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:14:44,558 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:14:44,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:14:44,559 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:14:44,560 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:14:44,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:14:44,560 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 06:14:44,560 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:14:44,561 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:14:44,561 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 06:14:44,562 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:14:44,562 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:14:44,562 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:14:44,563 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:14:44,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:14:44,563 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:14:44,564 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 06:14:44,564 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 06:14:44,564 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 06:14:44,564 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:14:44,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:14:44,565 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:14:44,565 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:14:44,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:14:44,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:14:44,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:14:44,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:14:44,567 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 06:14:44,567 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 06:14:44,567 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:14:44,567 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 06:14:44,567 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86b203c3a804c103d90401bd32cfcff28939b920 [2020-10-20 06:14:44,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:14:44,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:14:44,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:14:44,786 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:14:44,788 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:14:44,789 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-1.i [2020-10-20 06:14:44,846 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53af87e86/be19fd62665245129a7efc36d6989ff0/FLAGcc0766832 [2020-10-20 06:14:45,359 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:14:45,360 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-1.i [2020-10-20 06:14:45,372 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53af87e86/be19fd62665245129a7efc36d6989ff0/FLAGcc0766832 [2020-10-20 06:14:45,652 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53af87e86/be19fd62665245129a7efc36d6989ff0 [2020-10-20 06:14:45,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:14:45,661 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:14:45,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:14:45,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:14:45,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:14:45,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:14:45" (1/1) ... [2020-10-20 06:14:45,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@611d3eaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:14:45, skipping insertion in model container [2020-10-20 06:14:45,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:14:45" (1/1) ... [2020-10-20 06:14:45,680 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:14:45,722 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:14:46,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:14:46,070 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-10-20 06:14:46,076 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:14:46,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:14:46,112 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:14:46,146 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:14:46,217 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:14:46,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:14:46 WrapperNode [2020-10-20 06:14:46,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:14:46,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:14:46,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:14:46,220 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:14:46,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:14:46" (1/1) ... [2020-10-20 06:14:46,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:14:46" (1/1) ... [2020-10-20 06:14:46,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:14:46" (1/1) ... [2020-10-20 06:14:46,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:14:46" (1/1) ... [2020-10-20 06:14:46,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:14:46" (1/1) ... [2020-10-20 06:14:46,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:14:46" (1/1) ... [2020-10-20 06:14:46,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:14:46" (1/1) ... [2020-10-20 06:14:46,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:14:46,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:14:46,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:14:46,303 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:14:46,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:14:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:14:46,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-20 06:14:46,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:14:46,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-10-20 06:14:46,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-20 06:14:46,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-20 06:14:46,364 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-10-20 06:14:46,364 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_node [2020-10-20 06:14:46,364 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-20 06:14:46,364 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-20 06:14:46,364 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-20 06:14:46,365 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-20 06:14:46,366 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-20 06:14:46,366 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-20 06:14:46,366 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-20 06:14:46,366 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-20 06:14:46,366 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-20 06:14:46,367 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-20 06:14:46,367 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-20 06:14:46,368 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-20 06:14:46,369 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-20 06:14:46,370 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-20 06:14:46,370 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-20 06:14:46,370 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-20 06:14:46,371 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-20 06:14:46,371 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-20 06:14:46,371 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-20 06:14:46,371 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-20 06:14:46,371 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-20 06:14:46,372 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-20 06:14:46,372 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-20 06:14:46,372 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-20 06:14:46,372 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-20 06:14:46,372 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-20 06:14:46,373 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-20 06:14:46,373 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-20 06:14:46,373 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-20 06:14:46,373 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-20 06:14:46,374 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-20 06:14:46,374 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-20 06:14:46,375 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-20 06:14:46,375 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-20 06:14:46,376 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-20 06:14:46,376 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-20 06:14:46,377 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-20 06:14:46,377 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-20 06:14:46,377 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-20 06:14:46,377 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-20 06:14:46,378 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-20 06:14:46,378 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-20 06:14:46,378 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-20 06:14:46,378 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-20 06:14:46,379 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-20 06:14:46,379 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-20 06:14:46,379 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-20 06:14:46,379 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-20 06:14:46,379 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-20 06:14:46,380 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-20 06:14:46,380 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-20 06:14:46,380 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-20 06:14:46,380 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-20 06:14:46,381 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-20 06:14:46,381 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-20 06:14:46,382 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-20 06:14:46,382 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-20 06:14:46,382 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-20 06:14:46,383 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-20 06:14:46,383 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-20 06:14:46,384 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-20 06:14:46,384 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-20 06:14:46,385 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-20 06:14:46,385 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-20 06:14:46,385 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-20 06:14:46,385 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-20 06:14:46,385 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-20 06:14:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-20 06:14:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-20 06:14:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-20 06:14:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-20 06:14:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-20 06:14:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-20 06:14:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-20 06:14:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-20 06:14:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-20 06:14:46,387 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-20 06:14:46,387 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-20 06:14:46,387 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-20 06:14:46,387 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-20 06:14:46,387 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-20 06:14:46,387 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-20 06:14:46,387 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-20 06:14:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-20 06:14:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-20 06:14:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-20 06:14:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-20 06:14:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-20 06:14:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-20 06:14:46,388 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-20 06:14:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-20 06:14:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-20 06:14:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-20 06:14:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-20 06:14:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-20 06:14:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-20 06:14:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-20 06:14:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-20 06:14:46,389 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-20 06:14:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-20 06:14:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-20 06:14:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-20 06:14:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-20 06:14:46,390 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-20 06:14:46,391 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-20 06:14:46,391 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-20 06:14:46,391 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-10-20 06:14:46,391 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_node [2020-10-20 06:14:46,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-20 06:14:46,392 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-20 06:14:46,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-20 06:14:46,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-20 06:14:46,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 06:14:46,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-20 06:14:46,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:14:46,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-10-20 06:14:46,720 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-10-20 06:14:46,877 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:14:46,877 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-20 06:14:46,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:14:46 BoogieIcfgContainer [2020-10-20 06:14:46,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:14:46,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 06:14:46,881 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 06:14:46,884 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 06:14:46,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:14:45" (1/3) ... [2020-10-20 06:14:46,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f555989 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:14:46, skipping insertion in model container [2020-10-20 06:14:46,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:14:46" (2/3) ... [2020-10-20 06:14:46,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f555989 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:14:46, skipping insertion in model container [2020-10-20 06:14:46,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:14:46" (3/3) ... [2020-10-20 06:14:46,888 INFO L111 eAbstractionObserver]: Analyzing ICFG sll_shallow_copy-1.i [2020-10-20 06:14:46,898 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 06:14:46,905 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2020-10-20 06:14:46,916 INFO L253 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2020-10-20 06:14:46,931 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 06:14:46,932 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-20 06:14:46,932 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 06:14:46,932 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:14:46,932 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:14:46,932 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 06:14:46,932 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:14:46,932 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 06:14:46,946 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2020-10-20 06:14:46,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 06:14:46,957 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:14:46,958 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:14:46,958 INFO L429 AbstractCegarLoop]: === Iteration 1 === [mainErr13ASSERT_VIOLATIONMEMORY_FREE, mainErr14ENSURES_VIOLATIONMEMORY_LEAK, mainErr5REQUIRES_VIOLATION, mainErr12ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr8ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr9ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION]=== [2020-10-20 06:14:46,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:14:46,964 INFO L82 PathProgramCache]: Analyzing trace with hash -1901459912, now seen corresponding path program 1 times [2020-10-20 06:14:46,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:14:46,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [834299422] [2020-10-20 06:14:46,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-20 06:14:47,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:14:47,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-20 06:14:47,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:14:47,249 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-10-20 06:14:47,250 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:14:47,259 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:14:47,259 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:14:47,260 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-10-20 06:14:47,433 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:14:47,434 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 41 [2020-10-20 06:14:47,439 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-20 06:14:47,440 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 06:14:47,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [834299422] [2020-10-20 06:14:47,443 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 1) [2020-10-20 06:14:47,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [422573052] [2020-10-20 06:14:47,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-10-20 06:14:47,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:14:47,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-20 06:14:47,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:14:47,630 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-10-20 06:14:47,630 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:14:47,632 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:14:47,633 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:14:47,633 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-10-20 06:14:47,717 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:14:47,717 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 41 [2020-10-20 06:14:47,720 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:14:47,743 INFO L625 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2020-10-20 06:14:47,745 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 06:14:47,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618486212] [2020-10-20 06:14:47,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 06:14:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:14:47,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-20 06:14:47,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:14:47,866 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-10-20 06:14:47,866 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:14:47,868 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:14:47,869 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:14:47,869 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-10-20 06:14:47,941 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:14:47,941 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 41 [2020-10-20 06:14:47,943 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:14:47,965 INFO L625 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2020-10-20 06:14:47,966 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 06:14:47,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:14:47,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-10-20 06:14:47,967 ERROR L205 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2020-10-20 06:14:47,968 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 06:14:48,583 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk,2 mathsat -unsat_core_generation=3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 06:14:48,598 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-10-20 06:14:48,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:14:48 BoogieIcfgContainer [2020-10-20 06:14:48,598 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 06:14:48,599 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:14:48,599 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:14:48,599 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:14:48,600 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:14:46" (3/4) ... [2020-10-20 06:14:48,604 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:14:48,604 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:14:48,606 INFO L168 Benchmark]: Toolchain (without parser) took 2949.07 ms. Allocated memory was 36.7 MB in the beginning and 59.2 MB in the end (delta: 22.5 MB). Free memory was 18.5 MB in the beginning and 23.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 17.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:14:48,607 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 33.6 MB. Free memory was 11.5 MB in the beginning and 11.4 MB in the end (delta: 45.6 kB). Peak memory consumption was 45.6 kB. Max. memory is 14.3 GB. [2020-10-20 06:14:48,608 INFO L168 Benchmark]: CACSL2BoogieTranslator took 556.56 ms. Allocated memory was 36.7 MB in the beginning and 46.7 MB in the end (delta: 10.0 MB). Free memory was 17.6 MB in the beginning and 24.9 MB in the end (delta: -7.3 MB). Peak memory consumption was 17.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:14:48,609 INFO L168 Benchmark]: Boogie Preprocessor took 82.84 ms. Allocated memory is still 46.7 MB. Free memory was 24.9 MB in the beginning and 21.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:14:48,610 INFO L168 Benchmark]: RCFGBuilder took 576.80 ms. Allocated memory was 46.7 MB in the beginning and 49.8 MB in the end (delta: 3.1 MB). Free memory was 21.9 MB in the beginning and 17.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 11.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:14:48,611 INFO L168 Benchmark]: TraceAbstraction took 1718.20 ms. Allocated memory was 49.8 MB in the beginning and 59.2 MB in the end (delta: 9.4 MB). Free memory was 16.7 MB in the beginning and 24.1 MB in the end (delta: -7.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:14:48,611 INFO L168 Benchmark]: Witness Printer took 5.22 ms. Allocated memory is still 59.2 MB. Free memory was 24.1 MB in the beginning and 23.5 MB in the end (delta: 570.7 kB). Peak memory consumption was 570.7 kB. Max. memory is 14.3 GB. [2020-10-20 06:14:48,616 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 33.6 MB. Free memory was 11.5 MB in the beginning and 11.4 MB in the end (delta: 45.6 kB). Peak memory consumption was 45.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 556.56 ms. Allocated memory was 36.7 MB in the beginning and 46.7 MB in the end (delta: 10.0 MB). Free memory was 17.6 MB in the beginning and 24.9 MB in the end (delta: -7.3 MB). Peak memory consumption was 17.2 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 82.84 ms. Allocated memory is still 46.7 MB. Free memory was 24.9 MB in the beginning and 21.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 14.3 GB. * RCFGBuilder took 576.80 ms. Allocated memory was 46.7 MB in the beginning and 49.8 MB in the end (delta: 3.1 MB). Free memory was 21.9 MB in the beginning and 17.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 11.4 MB. Max. memory is 14.3 GB. * TraceAbstraction took 1718.20 ms. Allocated memory was 49.8 MB in the beginning and 59.2 MB in the end (delta: 9.4 MB). Free memory was 16.7 MB in the beginning and 24.1 MB in the end (delta: -7.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. * Witness Printer took 5.22 ms. Allocated memory is still 59.2 MB. Free memory was 24.1 MB in the beginning and 23.5 MB in the end (delta: 570.7 kB). Peak memory consumption was 570.7 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 570]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L569] CALL, EXPR alloc_node() [L562] struct node* temp = (struct node*) malloc(sizeof(struct node)); [L563] COND FALSE !(((void *)0) == temp) [L566] return temp; [L569] RET, EXPR alloc_node() [L569] struct node* s = alloc_node(); [L570] CALL, EXPR alloc_node() [L562] struct node* temp = (struct node*) malloc(sizeof(struct node)); [L563] COND FALSE !(((void *)0) == temp) [L566] return temp; [L570] RET, EXPR alloc_node() [L570] s->next = alloc_node() - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 61 locations, 15 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 1.6s, OverallIterations: 1, TraceHistogramMax: 2, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...