./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-properties/list-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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/list-properties/list-1.i -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 283704c20cde057c38dc133107a27c4d033fb1ba ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/list-properties/list-1.i -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 283704c20cde057c38dc133107a27c4d033fb1ba ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:07:13,451 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:07:13,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:07:13,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:07:13,493 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:07:13,498 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:07:13,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:07:13,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:07:13,528 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:07:13,536 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:07:13,538 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:07:13,542 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:07:13,545 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:07:13,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:07:13,552 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:07:13,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:07:13,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:07:13,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:07:13,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:07:13,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:07:13,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:07:13,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:07:13,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:07:13,601 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:07:13,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:07:13,606 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:07:13,606 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:07:13,609 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:07:13,615 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:07:13,616 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:07:13,616 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:07:13,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:07:13,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:07:13,622 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:07:13,625 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:07:13,625 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:07:13,630 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:07:13,630 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:07:13,631 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:07:13,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:07:13,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:07:13,636 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:07:13,673 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:07:13,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:07:13,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:07:13,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:07:13,681 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:07:13,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:07:13,681 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:07:13,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:07:13,682 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:07:13,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:07:13,684 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:07:13,686 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:07:13,686 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:07:13,687 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:07:13,687 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:07:13,688 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:07:13,691 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:07:13,691 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:07:13,691 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:07:13,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:07:13,692 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:07:13,692 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:07:13,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:07:13,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:07:13,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:07:13,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:07:13,696 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:07:13,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:07:13,696 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:07:13,697 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 -> 283704c20cde057c38dc133107a27c4d033fb1ba [2019-11-24 21:07:14,310 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:07:14,338 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:07:14,345 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:07:14,349 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:07:14,351 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:07:14,354 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/list-1.i [2019-11-24 21:07:14,512 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/363a78c34/9904d5e919984c4cbc3e05f46fba3fa5/FLAG98fa418c4 [2019-11-24 21:07:15,712 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:07:15,716 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/list-1.i [2019-11-24 21:07:15,750 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/363a78c34/9904d5e919984c4cbc3e05f46fba3fa5/FLAG98fa418c4 [2019-11-24 21:07:15,786 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/363a78c34/9904d5e919984c4cbc3e05f46fba3fa5 [2019-11-24 21:07:15,794 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:07:15,797 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:07:15,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:15,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:07:15,812 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:07:15,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:15" (1/1) ... [2019-11-24 21:07:15,822 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bcb722f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:15, skipping insertion in model container [2019-11-24 21:07:15,823 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:15" (1/1) ... [2019-11-24 21:07:15,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:07:15,943 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:07:16,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:16,884 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:07:16,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:17,121 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:07:17,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:17 WrapperNode [2019-11-24 21:07:17,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:17,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:17,127 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:07:17,128 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:07:17,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:17" (1/1) ... [2019-11-24 21:07:17,214 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:17" (1/1) ... [2019-11-24 21:07:17,288 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:17,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:07:17,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:07:17,291 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:07:17,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:17" (1/1) ... [2019-11-24 21:07:17,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:17" (1/1) ... [2019-11-24 21:07:17,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:17" (1/1) ... [2019-11-24 21:07:17,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:17" (1/1) ... [2019-11-24 21:07:17,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:17" (1/1) ... [2019-11-24 21:07:17,379 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:17" (1/1) ... [2019-11-24 21:07:17,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:17" (1/1) ... [2019-11-24 21:07:17,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:07:17,415 INFO L168 Benchmark]: Toolchain (without parser) took 1610.95 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 972.5 MB in the end (delta: -10.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:17,416 INFO L168 Benchmark]: CDTParser took 1.01 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. [2019-11-24 21:07:17,419 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1322.13 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 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:17,423 INFO L168 Benchmark]: Boogie Procedure Inliner took 162.26 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:17,425 INFO L168 Benchmark]: Boogie Preprocessor took 117.09 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:17,436 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.01 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 1322.13 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 972.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 162.26 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 117.09 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 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 0.1.24-32f2683 [2019-11-24 21:07:21,263 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:07:21,269 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:07:21,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:07:21,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:07:21,310 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:07:21,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:07:21,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:07:21,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:07:21,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:07:21,348 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:07:21,353 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:07:21,354 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:07:21,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:07:21,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:07:21,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:07:21,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:07:21,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:07:21,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:07:21,386 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:07:21,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:07:21,403 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:07:21,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:07:21,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:07:21,415 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:07:21,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:07:21,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:07:21,422 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:07:21,423 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:07:21,424 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:07:21,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:07:21,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:07:21,428 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:07:21,432 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:07:21,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:07:21,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:07:21,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:07:21,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:07:21,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:07:21,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:07:21,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:07:21,445 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:07:21,484 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:07:21,485 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:07:21,487 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:07:21,490 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:07:21,490 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:07:21,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:07:21,491 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:07:21,491 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:07:21,492 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:07:21,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:07:21,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:07:21,495 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:07:21,495 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:07:21,496 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:07:21,496 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:07:21,498 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:07:21,498 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:07:21,498 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:07:21,499 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:07:21,499 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:07:21,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:07:21,503 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:07:21,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:07:21,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:07:21,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:07:21,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:07:21,504 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:07:21,505 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:07:21,505 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:07:21,505 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:07:21,506 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:07:21,507 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 -> 283704c20cde057c38dc133107a27c4d033fb1ba [2019-11-24 21:07:22,077 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:07:22,106 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:07:22,114 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:07:22,118 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:07:22,121 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:07:22,122 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/list-1.i [2019-11-24 21:07:22,279 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e26e8248/c504da06d7874387ae4fe45682b8832d/FLAGd2d14345f [2019-11-24 21:07:23,430 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:07:23,431 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/list-1.i [2019-11-24 21:07:23,470 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e26e8248/c504da06d7874387ae4fe45682b8832d/FLAGd2d14345f [2019-11-24 21:07:23,916 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e26e8248/c504da06d7874387ae4fe45682b8832d [2019-11-24 21:07:23,921 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:07:23,925 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:07:23,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:23,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:07:23,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:07:23,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:23" (1/1) ... [2019-11-24 21:07:23,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b21a1fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:23, skipping insertion in model container [2019-11-24 21:07:23,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:23" (1/1) ... [2019-11-24 21:07:23,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:07:24,066 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:07:24,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:24,982 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:07:25,121 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:25,241 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:07:25,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:25 WrapperNode [2019-11-24 21:07:25,246 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:25,247 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:25,248 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:07:25,251 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:07:25,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:25" (1/1) ... [2019-11-24 21:07:25,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:25" (1/1) ... [2019-11-24 21:07:25,383 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:25,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:07:25,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:07:25,384 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:07:25,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:25" (1/1) ... [2019-11-24 21:07:25,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:25" (1/1) ... [2019-11-24 21:07:25,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:25" (1/1) ... [2019-11-24 21:07:25,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:25" (1/1) ... [2019-11-24 21:07:25,448 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:25" (1/1) ... [2019-11-24 21:07:25,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:25" (1/1) ... [2019-11-24 21:07:25,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:25" (1/1) ... [2019-11-24 21:07:25,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:07:25,501 INFO L168 Benchmark]: Toolchain (without parser) took 1577.49 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.6 MB in the beginning and 973.9 MB in the end (delta: -12.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:25,505 INFO L168 Benchmark]: CDTParser took 3.51 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. [2019-11-24 21:07:25,510 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1313.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.6 MB in the beginning and 979.7 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:25,515 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.84 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:25,516 INFO L168 Benchmark]: Boogie Preprocessor took 113.46 ms. Allocated memory is still 1.0 GB. Free memory was 979.7 MB in the beginning and 973.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:25,531 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.51 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 1313.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.6 MB in the beginning and 979.7 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 136.84 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 113.46 ms. Allocated memory is still 1.0 GB. Free memory was 979.7 MB in the beginning and 973.9 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...