./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-regression/test25-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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/ldv-regression/test25-1.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 ef8f82b31b77c43c96cf1b9cfaef9c4e99ae1632 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/ldv-regression/test25-1.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 ef8f82b31b77c43c96cf1b9cfaef9c4e99ae1632 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:49:04,446 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:49:04,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:49:04,480 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:49:04,481 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:49:04,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:49:04,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:49:04,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:49:04,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:49:04,525 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:49:04,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:49:04,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:49:04,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:49:04,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:49:04,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:49:04,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:49:04,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:49:04,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:49:04,560 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:49:04,571 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:49:04,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:49:04,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:49:04,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:49:04,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:49:04,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:49:04,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:49:04,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:49:04,606 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:49:04,607 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:49:04,608 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:49:04,609 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:49:04,610 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:49:04,614 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:49:04,615 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:49:04,620 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:49:04,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:49:04,624 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:49:04,624 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:49:04,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:49:04,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:49:04,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:49:04,634 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:49:04,677 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:49:04,677 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:49:04,681 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:49:04,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:49:04,683 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:49:04,683 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:49:04,685 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:49:04,685 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:49:04,685 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:49:04,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:49:04,688 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:49:04,688 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:49:04,690 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:49:04,690 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:49:04,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:49:04,691 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:49:04,693 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:49:04,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:49:04,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:49:04,694 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:49:04,694 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:49:04,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:49:04,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:49:04,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:49:04,698 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:49:04,698 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:49:04,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:49:04,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:49:04,699 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 -> ef8f82b31b77c43c96cf1b9cfaef9c4e99ae1632 [2019-11-27 09:49:05,344 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:05,372 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:05,381 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:05,385 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:05,386 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:05,390 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test25-1.c [2019-11-27 09:49:05,542 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee49d17e5/96bd33b5d7d24328abace38a1f920241/FLAG8f2e6f369 [2019-11-27 09:49:06,554 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:06,556 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test25-1.c [2019-11-27 09:49:06,576 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee49d17e5/96bd33b5d7d24328abace38a1f920241/FLAG8f2e6f369 [2019-11-27 09:49:06,722 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee49d17e5/96bd33b5d7d24328abace38a1f920241 [2019-11-27 09:49:06,728 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:06,731 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:06,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:06,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:06,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:06,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:06" (1/1) ... [2019-11-27 09:49:06,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bd4a022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:06, skipping insertion in model container [2019-11-27 09:49:06,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:06" (1/1) ... [2019-11-27 09:49:06,779 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:06,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:07,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:07,292 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:07,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:07,477 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:07,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:07 WrapperNode [2019-11-27 09:49:07,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:07,482 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:07,482 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:07,483 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:07,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:07" (1/1) ... [2019-11-27 09:49:07,542 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:07" (1/1) ... [2019-11-27 09:49:07,614 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:07,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:07,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:07,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:07,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:07" (1/1) ... [2019-11-27 09:49:07,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:07" (1/1) ... [2019-11-27 09:49:07,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:07" (1/1) ... [2019-11-27 09:49:07,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:07" (1/1) ... [2019-11-27 09:49:07,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:07" (1/1) ... [2019-11-27 09:49:07,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:07" (1/1) ... [2019-11-27 09:49:07,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:07" (1/1) ... [2019-11-27 09:49:07,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:07,731 INFO L168 Benchmark]: Toolchain (without parser) took 991.62 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 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:07,732 INFO L168 Benchmark]: CDTParser took 0.36 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 09:49:07,737 INFO L168 Benchmark]: CACSL2BoogieTranslator took 745.15 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 996.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:07,739 INFO L168 Benchmark]: Boogie Procedure Inliner took 134.39 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:07,742 INFO L168 Benchmark]: Boogie Preprocessor took 103.41 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:07,758 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 745.15 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 996.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 134.39 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 103.41 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 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-da95e15 [2019-11-27 09:49:11,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:49:11,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:49:11,642 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:49:11,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:49:11,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:49:11,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:49:11,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:49:11,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:49:11,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:49:11,684 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:49:11,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:49:11,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:49:11,697 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:49:11,701 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:49:11,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:49:11,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:49:11,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:49:11,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:49:11,730 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:49:11,736 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:49:11,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:49:11,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:49:11,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:49:11,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:49:11,759 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:49:11,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:49:11,763 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:49:11,764 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:49:11,766 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:49:11,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:49:11,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:49:11,773 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:49:11,775 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:49:11,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:49:11,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:49:11,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:49:11,782 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:49:11,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:49:11,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:49:11,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:49:11,792 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:49:11,832 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:49:11,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:49:11,838 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:49:11,838 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:49:11,840 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:49:11,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:49:11,841 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:49:11,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:49:11,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:49:11,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:49:11,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:49:11,845 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:49:11,848 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:49:11,849 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:49:11,849 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:49:11,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:49:11,850 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:49:11,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:49:11,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:49:11,851 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:49:11,851 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:49:11,853 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:49:11,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:49:11,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:49:11,855 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:49:11,855 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:49:11,855 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:49:11,858 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:49:11,858 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:49:11,858 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:49:11,860 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 -> ef8f82b31b77c43c96cf1b9cfaef9c4e99ae1632 [2019-11-27 09:49:12,423 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:49:12,453 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:49:12,460 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:49:12,467 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:49:12,468 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:49:12,469 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test25-1.c [2019-11-27 09:49:12,623 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5470d2c2/ca63e33101da4707b1e7e4e9900ef666/FLAG2a08eab4e [2019-11-27 09:49:13,660 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:49:13,662 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test25-1.c [2019-11-27 09:49:13,678 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5470d2c2/ca63e33101da4707b1e7e4e9900ef666/FLAG2a08eab4e [2019-11-27 09:49:13,810 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5470d2c2/ca63e33101da4707b1e7e4e9900ef666 [2019-11-27 09:49:13,817 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:49:13,819 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:49:13,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:13,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:49:13,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:49:13,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:13" (1/1) ... [2019-11-27 09:49:13,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bd4a022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:13, skipping insertion in model container [2019-11-27 09:49:13,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:49:13" (1/1) ... [2019-11-27 09:49:13,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:49:13,923 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:49:14,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:14,431 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:49:14,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:49:14,606 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:49:14,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:14 WrapperNode [2019-11-27 09:49:14,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:49:14,610 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:14,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:49:14,611 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:49:14,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:14" (1/1) ... [2019-11-27 09:49:14,673 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:14" (1/1) ... [2019-11-27 09:49:14,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:49:14,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:49:14,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:49:14,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:49:14,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:14" (1/1) ... [2019-11-27 09:49:14,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:14" (1/1) ... [2019-11-27 09:49:14,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:14" (1/1) ... [2019-11-27 09:49:14,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:14" (1/1) ... [2019-11-27 09:49:14,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:14" (1/1) ... [2019-11-27 09:49:14,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:14" (1/1) ... [2019-11-27 09:49:14,806 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:49:14" (1/1) ... [2019-11-27 09:49:14,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:49:14,820 INFO L168 Benchmark]: Toolchain (without parser) took 995.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 991.1 MB in the end (delta: -30.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:14,821 INFO L168 Benchmark]: CDTParser took 0.35 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 09:49:14,826 INFO L168 Benchmark]: CACSL2BoogieTranslator took 776.66 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 996.8 MB in the end (delta: -36.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:14,828 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.61 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:49:14,829 INFO L168 Benchmark]: Boogie Preprocessor took 86.65 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:49:14,845 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 776.66 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 996.8 MB in the end (delta: -36.6 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 114.61 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 86.65 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 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...