./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/simple_4-2.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/loop-acceleration/simple_4-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f4456e2c68ec8b38c6ee81a801d6ec2920f9b858 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/loop-acceleration/simple_4-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f4456e2c68ec8b38c6ee81a801d6ec2920f9b858 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 09:51:20,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:51:20,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:51:20,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:51:20,519 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:51:20,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:51:20,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:51:20,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:51:20,558 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:51:20,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:51:20,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:51:20,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:51:20,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:51:20,579 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:51:20,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:51:20,587 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:51:20,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:51:20,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:51:20,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:51:20,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:51:20,617 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:51:20,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:51:20,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:51:20,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:51:20,639 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:51:20,639 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:51:20,640 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:51:20,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:51:20,646 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:51:20,647 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:51:20,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:51:20,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:51:20,655 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:51:20,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:51:20,662 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:51:20,663 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:51:20,666 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:51:20,666 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:51:20,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:51:20,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:51:20,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:51:20,674 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:51:20,716 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:51:20,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:51:20,721 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:51:20,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:51:20,722 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:51:20,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:51:20,725 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:51:20,726 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:51:20,726 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:51:20,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:51:20,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:51:20,728 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:51:20,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:51:20,729 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:51:20,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:51:20,732 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:51:20,732 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:51:20,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:51:20,733 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:51:20,733 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:51:20,734 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:51:20,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:51:20,737 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:51:20,737 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:51:20,738 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:51:20,738 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:51:20,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:51:20,739 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:51:20,739 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 -> f4456e2c68ec8b38c6ee81a801d6ec2920f9b858 [2019-11-27 09:51:21,357 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:51:21,389 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:51:21,398 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:51:21,403 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:51:21,406 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:51:21,407 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/simple_4-2.c [2019-11-27 09:51:21,568 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19085dd37/e9af5ea98b60431ebfa3a95bb51d65e7/FLAGd2511609f [2019-11-27 09:51:22,643 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:51:22,647 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/simple_4-2.c [2019-11-27 09:51:22,663 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19085dd37/e9af5ea98b60431ebfa3a95bb51d65e7/FLAGd2511609f [2019-11-27 09:51:22,702 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19085dd37/e9af5ea98b60431ebfa3a95bb51d65e7 [2019-11-27 09:51:22,712 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:51:22,714 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:51:22,720 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:22,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:51:22,726 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:51:22,732 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:22" (1/1) ... [2019-11-27 09:51:22,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e4d0b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:22, skipping insertion in model container [2019-11-27 09:51:22,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:22" (1/1) ... [2019-11-27 09:51:22,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:51:22,818 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:51:23,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:23,236 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:51:23,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:23,291 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:51:23,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:23 WrapperNode [2019-11-27 09:51:23,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:23,301 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:23,301 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:51:23,302 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:51:23,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:23" (1/1) ... [2019-11-27 09:51:23,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:23" (1/1) ... [2019-11-27 09:51:23,471 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:23,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:51:23,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:51:23,478 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:51:23,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:23" (1/1) ... [2019-11-27 09:51:23,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:23" (1/1) ... [2019-11-27 09:51:23,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:23" (1/1) ... [2019-11-27 09:51:23,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:23" (1/1) ... [2019-11-27 09:51:23,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:23" (1/1) ... [2019-11-27 09:51:23,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:23" (1/1) ... [2019-11-27 09:51:23,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:23" (1/1) ... [2019-11-27 09:51:23,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:51:23,524 INFO L168 Benchmark]: Toolchain (without parser) took 807.88 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 09:51:23,526 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 09:51:23,528 INFO L168 Benchmark]: CACSL2BoogieTranslator took 574.20 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:51:23,530 INFO L168 Benchmark]: Boogie Procedure Inliner took 174.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 09:51:23,533 INFO L168 Benchmark]: Boogie Preprocessor took 44.02 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 09:51:23,557 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 574.20 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 174.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 44.02 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. 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 09:51:27,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:51:27,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:51:27,554 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:51:27,555 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:51:27,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:51:27,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:51:27,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:51:27,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:51:27,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:51:27,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:51:27,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:51:27,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:51:27,601 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:51:27,603 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:51:27,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:51:27,611 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:51:27,613 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:51:27,617 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:51:27,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:51:27,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:51:27,641 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:51:27,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:51:27,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:51:27,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:51:27,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:51:27,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:51:27,658 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:51:27,659 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:51:27,662 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:51:27,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:51:27,667 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:51:27,668 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:51:27,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:51:27,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:51:27,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:51:27,679 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:51:27,680 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:51:27,680 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:51:27,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:51:27,685 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:51:27,688 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:51:27,743 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:51:27,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:51:27,751 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:51:27,752 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:51:27,754 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:51:27,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:51:27,756 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:51:27,756 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:51:27,759 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:51:27,761 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:51:27,762 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:51:27,762 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:51:27,763 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:51:27,763 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:51:27,763 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:51:27,764 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:51:27,766 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:51:27,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:51:27,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:51:27,768 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:51:27,769 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:51:27,769 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:51:27,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:51:27,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:51:27,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:51:27,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:51:27,773 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:51:27,774 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:51:27,774 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:51:27,774 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:51:27,779 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 -> f4456e2c68ec8b38c6ee81a801d6ec2920f9b858 [2019-11-27 09:51:28,407 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:51:28,439 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:51:28,447 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:51:28,453 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:51:28,453 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:51:28,455 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/simple_4-2.c [2019-11-27 09:51:28,614 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/345fc1579/f9b3cb74aafb4c328e3e5ca05805b90c/FLAG293c9de8f [2019-11-27 09:51:29,694 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:51:29,699 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/simple_4-2.c [2019-11-27 09:51:29,710 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/345fc1579/f9b3cb74aafb4c328e3e5ca05805b90c/FLAG293c9de8f [2019-11-27 09:51:29,754 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/345fc1579/f9b3cb74aafb4c328e3e5ca05805b90c [2019-11-27 09:51:29,762 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:51:29,769 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:51:29,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:29,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:51:29,784 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:51:29,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:29" (1/1) ... [2019-11-27 09:51:29,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e4d0b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:29, skipping insertion in model container [2019-11-27 09:51:29,795 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:29" (1/1) ... [2019-11-27 09:51:29,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:51:29,859 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:51:30,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:30,333 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:51:30,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:30,408 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:51:30,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:30 WrapperNode [2019-11-27 09:51:30,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:30,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:30,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:51:30,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:51:30,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:30" (1/1) ... [2019-11-27 09:51:30,557 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:30" (1/1) ... [2019-11-27 09:51:30,599 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:30,600 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:51:30,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:51:30,600 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:51:30,621 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:30" (1/1) ... [2019-11-27 09:51:30,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:30" (1/1) ... [2019-11-27 09:51:30,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:30" (1/1) ... [2019-11-27 09:51:30,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:30" (1/1) ... [2019-11-27 09:51:30,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:30" (1/1) ... [2019-11-27 09:51:30,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:30" (1/1) ... [2019-11-27 09:51:30,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:30" (1/1) ... [2019-11-27 09:51:30,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:51:30,674 INFO L168 Benchmark]: Toolchain (without parser) took 898.63 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 997.0 MB in the end (delta: -35.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:51:30,677 INFO L168 Benchmark]: CDTParser took 0.90 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 09:51:30,681 INFO L168 Benchmark]: CACSL2BoogieTranslator took 640.95 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:51:30,685 INFO L168 Benchmark]: Boogie Procedure Inliner took 185.50 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:51:30,690 INFO L168 Benchmark]: Boogie Preprocessor took 64.67 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:51:30,702 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.90 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 640.95 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 185.50 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 64.67 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 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...