./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/cstrchr-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 65d6cd23 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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/array-memsafety/cstrchr-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 276936ba1494f32a328b3de86f664a380d5263e9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 -Xmx12G -Xms1G -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/array-memsafety/cstrchr-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 276936ba1494f32a328b3de86f664a380d5263e9 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:24:56,078 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:24:56,087 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:24:56,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:24:56,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:24:56,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:24:56,132 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:24:56,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:24:56,152 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:24:56,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:24:56,161 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:24:56,165 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:24:56,167 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:24:56,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:24:56,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:24:56,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:24:56,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:24:56,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:24:56,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:24:56,199 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:24:56,208 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:24:56,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:24:56,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:24:56,220 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:24:56,230 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:24:56,230 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:24:56,231 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:24:56,235 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:24:56,236 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:24:56,240 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:24:56,240 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:24:56,241 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:24:56,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:24:56,246 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:24:56,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:24:56,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:24:56,253 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:24:56,254 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:24:56,255 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:24:56,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:24:56,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:24:56,263 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:24:56,302 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:24:56,303 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:24:56,307 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:24:56,310 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:24:56,310 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:24:56,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:24:56,311 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:24:56,311 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:24:56,312 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:24:56,312 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:24:56,313 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:24:56,316 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:24:56,316 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:24:56,317 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:24:56,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:24:56,317 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:24:56,318 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:24:56,318 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:24:56,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:24:56,318 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:24:56,322 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:24:56,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:24:56,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:24:56,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:24:56,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:24:56,324 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:24:56,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:24:56,324 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 -> 276936ba1494f32a328b3de86f664a380d5263e9 [2019-11-26 00:24:56,953 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:24:56,979 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:24:56,986 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:24:56,989 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:24:56,992 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:24:56,993 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/cstrchr-alloca-2.i [2019-11-26 00:24:57,153 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2978ac882/8fc37b63e5d94864b94504a5f5c01310/FLAG8d20db97a [2019-11-26 00:24:58,348 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:24:58,349 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/cstrchr-alloca-2.i [2019-11-26 00:24:58,384 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2978ac882/8fc37b63e5d94864b94504a5f5c01310/FLAG8d20db97a [2019-11-26 00:24:58,422 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2978ac882/8fc37b63e5d94864b94504a5f5c01310 [2019-11-26 00:24:58,429 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:24:58,436 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:24:58,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:24:58,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:24:58,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:24:58,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:24:58" (1/1) ... [2019-11-26 00:24:58,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70002f10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:58, skipping insertion in model container [2019-11-26 00:24:58,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:24:58" (1/1) ... [2019-11-26 00:24:58,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:24:58,573 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:24:59,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:24:59,442 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:24:59,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:24:59,696 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:24:59,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:59 WrapperNode [2019-11-26 00:24:59,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:24:59,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:24:59,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:24:59,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:24:59,732 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:59" (1/1) ... [2019-11-26 00:24:59,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:59" (1/1) ... [2019-11-26 00:24:59,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:59" (1/1) ... [2019-11-26 00:24:59,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:59" (1/1) ... [2019-11-26 00:24:59,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:59" (1/1) ... [2019-11-26 00:24:59,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:59" (1/1) ... [2019-11-26 00:24:59,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:24:59" (1/1) ... [2019-11-26 00:24:59,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:24:59,892 INFO L168 Benchmark]: Toolchain (without parser) took 1457.07 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:24:59,906 INFO L168 Benchmark]: CDTParser took 1.85 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:24:59,914 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1260.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:24:59,915 INFO L168 Benchmark]: Boogie Preprocessor took 186.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:24:59,920 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.85 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1260.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 186.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:25:03,708 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:25:03,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:25:03,749 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:25:03,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:25:03,762 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:25:03,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:25:03,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:25:03,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:25:03,793 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:25:03,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:25:03,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:25:03,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:25:03,809 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:25:03,811 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:25:03,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:25:03,819 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:25:03,827 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:25:03,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:25:03,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:25:03,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:25:03,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:25:03,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:25:03,858 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:25:03,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:25:03,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:25:03,868 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:25:03,870 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:25:03,871 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:25:03,874 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:25:03,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:25:03,877 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:25:03,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:25:03,882 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:25:03,884 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:25:03,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:25:03,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:25:03,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:25:03,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:25:03,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:25:03,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:25:03,898 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:25:03,938 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:25:03,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:25:03,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:25:03,944 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:25:03,944 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:25:03,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:25:03,948 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:25:03,948 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:25:03,948 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:25:03,949 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:25:03,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:25:03,950 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:25:03,951 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:25:03,951 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:25:03,951 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:25:03,952 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:25:03,953 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:25:03,953 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:25:03,953 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:25:03,956 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:25:03,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:25:03,956 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:25:03,957 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:25:03,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:25:03,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:25:03,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:25:03,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:25:03,959 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:25:03,962 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:25:03,962 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:25:03,964 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 -> 276936ba1494f32a328b3de86f664a380d5263e9 [2019-11-26 00:25:04,592 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:25:04,621 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:25:04,629 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:25:04,632 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:25:04,637 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:25:04,638 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/cstrchr-alloca-2.i [2019-11-26 00:25:04,795 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfc351bbe/688ef8342c794a559bd7d37fa4490bf7/FLAG26546506c [2019-11-26 00:25:05,973 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:25:05,974 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/cstrchr-alloca-2.i [2019-11-26 00:25:06,008 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfc351bbe/688ef8342c794a559bd7d37fa4490bf7/FLAG26546506c [2019-11-26 00:25:06,042 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfc351bbe/688ef8342c794a559bd7d37fa4490bf7 [2019-11-26 00:25:06,054 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:25:06,061 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:25:06,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:25:06,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:25:06,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:25:06,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:25:06" (1/1) ... [2019-11-26 00:25:06,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70002f10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:06, skipping insertion in model container [2019-11-26 00:25:06,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:25:06" (1/1) ... [2019-11-26 00:25:06,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:25:06,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:25:07,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:25:07,075 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:25:07,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:25:07,312 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:25:07,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:07 WrapperNode [2019-11-26 00:25:07,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:25:07,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:25:07,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:25:07,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:25:07,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:07" (1/1) ... [2019-11-26 00:25:07,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:07" (1/1) ... [2019-11-26 00:25:07,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:07" (1/1) ... [2019-11-26 00:25:07,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:07" (1/1) ... [2019-11-26 00:25:07,448 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:07" (1/1) ... [2019-11-26 00:25:07,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:07" (1/1) ... [2019-11-26 00:25:07,482 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:07" (1/1) ... [2019-11-26 00:25:07,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:25:07,516 INFO L168 Benchmark]: Toolchain (without parser) took 1459.30 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.2 MB in the end (delta: -10.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:25:07,521 INFO L168 Benchmark]: CDTParser took 2.38 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:25:07,525 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1253.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:25:07,527 INFO L168 Benchmark]: Boogie Preprocessor took 194.42 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:25:07,531 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.38 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1253.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 194.42 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...