./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/ps6.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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/nla-digbench/ps6.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 11d20b5e282df68b4ee5c2d82e3bee5a2ae4f5dd ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/nla-digbench/ps6.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 11d20b5e282df68b4ee5c2d82e3bee5a2ae4f5dd ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:05:18,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:05:18,580 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:05:18,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:05:18,604 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:05:18,607 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:05:18,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:05:18,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:05:18,628 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:05:18,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:05:18,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:05:18,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:05:18,640 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:05:18,642 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:05:18,643 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:05:18,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:05:18,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:05:18,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:05:18,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:05:18,658 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:05:18,665 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:05:18,669 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:05:18,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:05:18,674 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:05:18,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:05:18,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:05:18,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:05:18,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:05:18,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:05:18,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:05:18,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:05:18,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:05:18,688 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:05:18,691 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:05:18,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:05:18,693 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:05:18,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:05:18,696 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:05:18,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:05:18,697 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:05:18,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:05:18,700 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:05:18,731 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:05:18,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:05:18,733 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:05:18,734 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:05:18,734 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:05:18,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:05:18,737 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:05:18,737 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:05:18,737 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:05:18,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:05:18,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:05:18,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:05:18,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:05:18,739 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:05:18,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:05:18,740 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:05:18,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:05:18,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:05:18,742 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:05:18,742 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:05:18,742 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:05:18,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:05:18,743 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:05:18,743 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:05:18,743 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:05:18,743 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:05:18,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:05:18,744 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:05:18,746 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 -> 11d20b5e282df68b4ee5c2d82e3bee5a2ae4f5dd [2019-11-26 17:05:19,140 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:05:19,156 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:05:19,162 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:05:19,165 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:05:19,166 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:05:19,167 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/ps6.c [2019-11-26 17:05:19,274 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7dfae4fb/5e58419509d34b4bbbef8941a3b1d484/FLAG11e9eba52 [2019-11-26 17:05:19,984 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:05:19,986 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/ps6.c [2019-11-26 17:05:19,997 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7dfae4fb/5e58419509d34b4bbbef8941a3b1d484/FLAG11e9eba52 [2019-11-26 17:05:20,330 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7dfae4fb/5e58419509d34b4bbbef8941a3b1d484 [2019-11-26 17:05:20,337 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:05:20,338 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:05:20,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:20,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:05:20,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:05:20,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:20" (1/1) ... [2019-11-26 17:05:20,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fac7363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:20, skipping insertion in model container [2019-11-26 17:05:20,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:20" (1/1) ... [2019-11-26 17:05:20,368 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:05:20,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:05:20,668 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:20,673 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:05:20,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:20,725 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:05:20,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:20 WrapperNode [2019-11-26 17:05:20,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:20,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:20,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:05:20,728 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:05:20,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:20" (1/1) ... [2019-11-26 17:05:20,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:20" (1/1) ... [2019-11-26 17:05:20,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:20,838 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:05:20,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:05:20,845 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:05:20,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:20" (1/1) ... [2019-11-26 17:05:20,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:20" (1/1) ... [2019-11-26 17:05:20,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:20" (1/1) ... [2019-11-26 17:05:20,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:20" (1/1) ... [2019-11-26 17:05:20,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:20" (1/1) ... [2019-11-26 17:05:20,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:20" (1/1) ... [2019-11-26 17:05:20,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:20" (1/1) ... [2019-11-26 17:05:20,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:05:20,899 INFO L168 Benchmark]: Toolchain (without parser) took 544.97 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 989.9 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:20,901 INFO L168 Benchmark]: CDTParser took 1.26 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:20,902 INFO L168 Benchmark]: CACSL2BoogieTranslator took 386.01 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.6 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:20,905 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.6 MB in the beginning and 989.9 MB in the end (delta: -41.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:20,906 INFO L168 Benchmark]: Boogie Preprocessor took 42.97 ms. Allocated memory is still 1.0 GB. Free memory is still 989.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:20,914 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.26 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 386.01 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.6 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 110.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.6 MB in the beginning and 989.9 MB in the end (delta: -41.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 42.97 ms. Allocated memory is still 1.0 GB. Free memory is still 989.9 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 0.1.24-025d5a2 [2019-11-26 17:05:23,600 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:05:23,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:05:23,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:05:23,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:05:23,632 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:05:23,635 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:05:23,649 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:05:23,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:05:23,658 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:05:23,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:05:23,663 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:05:23,664 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:05:23,669 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:05:23,671 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:05:23,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:05:23,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:05:23,678 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:05:23,682 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:05:23,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:05:23,692 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:05:23,699 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:05:23,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:05:23,702 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:05:23,707 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:05:23,709 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:05:23,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:05:23,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:05:23,714 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:05:23,715 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:05:23,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:05:23,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:05:23,716 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:05:23,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:05:23,720 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:05:23,721 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:05:23,721 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:05:23,724 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:05:23,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:05:23,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:05:23,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:05:23,726 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:05:23,755 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:05:23,756 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:05:23,761 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:05:23,761 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:05:23,761 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:05:23,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:05:23,762 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:05:23,762 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:05:23,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:05:23,762 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:05:23,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:05:23,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:05:23,766 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:05:23,766 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:05:23,767 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:05:23,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:05:23,767 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:05:23,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:05:23,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:05:23,768 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:05:23,768 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:05:23,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:05:23,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:05:23,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:05:23,771 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:05:23,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:05:23,771 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:05:23,771 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:05:23,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:05:23,772 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:05:23,773 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 -> 11d20b5e282df68b4ee5c2d82e3bee5a2ae4f5dd [2019-11-26 17:05:24,270 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:05:24,286 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:05:24,292 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:05:24,297 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:05:24,299 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:05:24,300 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/ps6.c [2019-11-26 17:05:24,405 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/036e9f1f8/ce804403f8c84c8181f52d4c4188448b/FLAGbd10a4b67 [2019-11-26 17:05:25,070 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:05:25,070 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/ps6.c [2019-11-26 17:05:25,081 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/036e9f1f8/ce804403f8c84c8181f52d4c4188448b/FLAGbd10a4b67 [2019-11-26 17:05:25,423 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/036e9f1f8/ce804403f8c84c8181f52d4c4188448b [2019-11-26 17:05:25,434 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:05:25,435 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:05:25,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:25,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:05:25,446 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:05:25,447 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:25" (1/1) ... [2019-11-26 17:05:25,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cb873af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:25, skipping insertion in model container [2019-11-26 17:05:25,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:05:25" (1/1) ... [2019-11-26 17:05:25,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:05:25,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:05:25,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:25,801 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:05:25,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:05:25,929 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:05:25,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:25 WrapperNode [2019-11-26 17:05:25,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:05:25,936 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:25,936 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:05:25,936 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:05:25,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:25" (1/1) ... [2019-11-26 17:05:25,953 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:25" (1/1) ... [2019-11-26 17:05:25,973 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:05:25,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:05:25,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:05:25,974 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:05:25,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:25" (1/1) ... [2019-11-26 17:05:25,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:25" (1/1) ... [2019-11-26 17:05:25,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:25" (1/1) ... [2019-11-26 17:05:25,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:25" (1/1) ... [2019-11-26 17:05:26,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:25" (1/1) ... [2019-11-26 17:05:26,014 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:25" (1/1) ... [2019-11-26 17:05:26,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:05:25" (1/1) ... [2019-11-26 17:05:26,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:05:26,026 INFO L168 Benchmark]: Toolchain (without parser) took 588.87 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 991.3 MB in the end (delta: -32.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:26,027 INFO L168 Benchmark]: CDTParser took 2.82 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:26,029 INFO L168 Benchmark]: CACSL2BoogieTranslator took 492.90 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 997.1 MB in the end (delta: -38.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:26,030 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.34 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:05:26,031 INFO L168 Benchmark]: Boogie Preprocessor took 48.79 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:05:26,047 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.82 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 492.90 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 997.1 MB in the end (delta: -38.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 37.34 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 48.79 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.3 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...