./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ssh-simplified/s3_srvr_6.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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/AutomizerReach.xml -i ../sv-benchmarks/c/ssh-simplified/s3_srvr_6.cil-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a51c87b3f87a550bb7d060ad02516cdb08b506b9 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/AutomizerReach.xml -i ../sv-benchmarks/c/ssh-simplified/s3_srvr_6.cil-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a51c87b3f87a550bb7d060ad02516cdb08b506b9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 15:41:41,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:41:41,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:41:41,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:41:41,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:41:41,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:41:41,552 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:41:41,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:41:41,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:41:41,579 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:41:41,584 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:41:41,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:41:41,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:41:41,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:41:41,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:41:41,603 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:41:41,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:41:41,611 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:41:41,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:41:41,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:41:41,628 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:41:41,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:41:41,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:41:41,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:41:41,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:41:41,653 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:41:41,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:41:41,658 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:41:41,659 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:41:41,662 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:41:41,662 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:41:41,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:41:41,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:41:41,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:41:41,674 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:41:41,674 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:41:41,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:41:41,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:41:41,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:41:41,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:41:41,680 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:41:41,686 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:41:41,727 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:41:41,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:41:41,735 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:41:41,735 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:41:41,736 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:41:41,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:41:41,736 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:41:41,737 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:41:41,739 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:41:41,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:41:41,740 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:41:41,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:41:41,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:41:41,742 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:41:41,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:41:41,744 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:41:41,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:41:41,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:41:41,745 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:41:41,745 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:41:41,746 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:41:41,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:41:41,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:41:41,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:41:41,750 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:41:41,750 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:41:41,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:41:41,751 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:41:41,751 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 ! call(__VERIFIER_error())) ) 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 -> a51c87b3f87a550bb7d060ad02516cdb08b506b9 [2019-11-27 15:41:42,472 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:41:42,504 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:41:42,514 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:41:42,516 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:41:42,517 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:41:42,520 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_6.cil-2.c [2019-11-27 15:41:42,697 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9b4743c0/eedeab3930d041b090fd92ca1f61b983/FLAGb0dc9d856 [2019-11-27 15:41:43,950 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:41:43,958 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_6.cil-2.c [2019-11-27 15:41:43,996 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9b4743c0/eedeab3930d041b090fd92ca1f61b983/FLAGb0dc9d856 [2019-11-27 15:41:44,034 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9b4743c0/eedeab3930d041b090fd92ca1f61b983 [2019-11-27 15:41:44,042 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:41:44,048 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:41:44,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:44,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:41:44,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:41:44,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:44" (1/1) ... [2019-11-27 15:41:44,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57c99d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:44, skipping insertion in model container [2019-11-27 15:41:44,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:44" (1/1) ... [2019-11-27 15:41:44,093 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:41:44,203 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:41:45,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:45,093 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:41:45,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:45,318 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:41:45,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45 WrapperNode [2019-11-27 15:41:45,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:45,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:45,325 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:41:45,325 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:41:45,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45" (1/1) ... [2019-11-27 15:41:45,366 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45" (1/1) ... [2019-11-27 15:41:45,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:45,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:41:45,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:41:45,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:41:45,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45" (1/1) ... [2019-11-27 15:41:45,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45" (1/1) ... [2019-11-27 15:41:45,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45" (1/1) ... [2019-11-27 15:41:45,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45" (1/1) ... [2019-11-27 15:41:45,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45" (1/1) ... [2019-11-27 15:41:45,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45" (1/1) ... [2019-11-27 15:41:45,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:45" (1/1) ... [2019-11-27 15:41:45,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:41:45,595 INFO L168 Benchmark]: Toolchain (without parser) took 1534.10 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 985.2 MB in the end (delta: -23.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:45,595 INFO L168 Benchmark]: CDTParser took 0.42 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. [2019-11-27 15:41:45,602 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1273.33 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 990.9 MB in the end (delta: -29.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:45,607 INFO L168 Benchmark]: Boogie Procedure Inliner took 144.08 ms. Allocated memory is still 1.0 GB. Free memory was 990.9 MB in the beginning and 985.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:45,609 INFO L168 Benchmark]: Boogie Preprocessor took 110.72 ms. Allocated memory is still 1.0 GB. Free memory is still 985.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:45,618 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 1273.33 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 990.9 MB in the end (delta: -29.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 144.08 ms. Allocated memory is still 1.0 GB. Free memory was 990.9 MB in the beginning and 985.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 110.72 ms. Allocated memory is still 1.0 GB. Free memory is still 985.2 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 0.1.24-509859d [2019-11-27 15:41:49,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:41:49,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:41:49,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:41:49,634 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:41:49,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:41:49,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:41:49,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:41:49,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:41:49,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:41:49,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:41:49,676 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:41:49,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:41:49,684 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:41:49,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:41:49,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:41:49,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:41:49,696 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:41:49,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:41:49,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:41:49,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:41:49,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:41:49,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:41:49,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:41:49,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:41:49,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:41:49,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:41:49,742 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:41:49,745 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:41:49,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:41:49,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:41:49,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:41:49,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:41:49,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:41:49,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:41:49,760 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:41:49,761 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:41:49,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:41:49,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:41:49,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:41:49,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:41:49,770 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:41:49,823 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:41:49,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:41:49,833 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:41:49,834 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:41:49,834 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:41:49,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:41:49,838 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:41:49,839 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:41:49,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:41:49,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:41:49,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:41:49,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:41:49,844 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:41:49,844 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:41:49,844 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:41:49,845 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:41:49,845 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:41:49,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:41:49,848 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:41:49,849 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:41:49,849 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:41:49,849 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:41:49,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:41:49,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:41:49,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:41:49,854 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:41:49,854 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:41:49,854 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:41:49,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:41:49,856 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:41:49,859 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 ! call(__VERIFIER_error())) ) 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 -> a51c87b3f87a550bb7d060ad02516cdb08b506b9 [2019-11-27 15:41:50,525 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:41:50,558 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:41:50,567 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:41:50,575 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:41:50,576 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:41:50,578 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ssh-simplified/s3_srvr_6.cil-2.c [2019-11-27 15:41:50,740 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e69e489e2/1edcf6b35fbb48d7931b85f348a41e9a/FLAG55c9a3d66 [2019-11-27 15:41:51,903 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:41:51,911 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ssh-simplified/s3_srvr_6.cil-2.c [2019-11-27 15:41:51,953 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e69e489e2/1edcf6b35fbb48d7931b85f348a41e9a/FLAG55c9a3d66 [2019-11-27 15:41:51,998 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e69e489e2/1edcf6b35fbb48d7931b85f348a41e9a [2019-11-27 15:41:52,010 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:41:52,015 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:41:52,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:52,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:41:52,032 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:41:52,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:52" (1/1) ... [2019-11-27 15:41:52,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57c99d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:52, skipping insertion in model container [2019-11-27 15:41:52,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:52" (1/1) ... [2019-11-27 15:41:52,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:41:52,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:41:53,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:53,072 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:41:53,282 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:53,313 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:41:53,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:53 WrapperNode [2019-11-27 15:41:53,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:53,330 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:53,330 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:41:53,330 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:41:53,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:53" (1/1) ... [2019-11-27 15:41:53,401 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:53" (1/1) ... [2019-11-27 15:41:53,512 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:53,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:41:53,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:41:53,519 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:41:53,544 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:53" (1/1) ... [2019-11-27 15:41:53,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:53" (1/1) ... [2019-11-27 15:41:53,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:53" (1/1) ... [2019-11-27 15:41:53,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:53" (1/1) ... [2019-11-27 15:41:53,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:53" (1/1) ... [2019-11-27 15:41:53,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:53" (1/1) ... [2019-11-27 15:41:53,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:53" (1/1) ... [2019-11-27 15:41:53,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:41:53,680 INFO L168 Benchmark]: Toolchain (without parser) took 1659.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 978.5 MB in the end (delta: -18.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:53,681 INFO L168 Benchmark]: CDTParser took 1.58 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. [2019-11-27 15:41:53,684 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1292.97 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 984.2 MB in the end (delta: -24.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:53,688 INFO L168 Benchmark]: Boogie Procedure Inliner took 187.84 ms. Allocated memory is still 1.0 GB. Free memory is still 984.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:41:53,689 INFO L168 Benchmark]: Boogie Preprocessor took 150.67 ms. Allocated memory is still 1.0 GB. Free memory was 984.2 MB in the beginning and 978.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:53,701 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.58 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 1292.97 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 984.2 MB in the end (delta: -24.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 187.84 ms. Allocated memory is still 1.0 GB. Free memory is still 984.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 150.67 ms. Allocated memory is still 1.0 GB. Free memory was 984.2 MB in the beginning and 978.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...