./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/simple_3-2.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/loop-acceleration/simple_3-2.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 92de3ce9156ddf83a60df0cbd59fea0aeff14b3b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_3-2.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 92de3ce9156ddf83a60df0cbd59fea0aeff14b3b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:03:45,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:03:45,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:03:45,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:03:45,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:03:45,273 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:03:45,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:03:45,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:03:45,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:03:45,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:03:45,300 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:03:45,306 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:03:45,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:03:45,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:03:45,312 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:03:45,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:03:45,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:03:45,316 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:03:45,322 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:03:45,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:03:45,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:03:45,339 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:03:45,340 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:03:45,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:03:45,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:03:45,349 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:03:45,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:03:45,353 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:03:45,353 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:03:45,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:03:45,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:03:45,357 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:03:45,358 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:03:45,359 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:03:45,362 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:03:45,363 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:03:45,364 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:03:45,364 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:03:45,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:03:45,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:03:45,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:03:45,371 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:03:45,399 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:03:45,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:03:45,402 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:03:45,404 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:03:45,404 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:03:45,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:03:45,404 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:03:45,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:03:45,406 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:03:45,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:03:45,407 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:03:45,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:03:45,407 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:03:45,409 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:03:45,409 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:03:45,409 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:03:45,410 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:03:45,410 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:03:45,410 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:03:45,412 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:03:45,412 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:03:45,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:03:45,412 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:03:45,413 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:03:45,413 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:03:45,413 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:03:45,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:03:45,415 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:03:45,415 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 -> 92de3ce9156ddf83a60df0cbd59fea0aeff14b3b [2019-11-26 17:03:45,853 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:03:45,874 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:03:45,877 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:03:45,884 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:03:45,884 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:03:45,885 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/simple_3-2.c [2019-11-26 17:03:45,996 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8a37178d/aa6d4f82e1d748e5a813608473d7ee7b/FLAG52b2e499d [2019-11-26 17:03:46,687 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:03:46,689 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/simple_3-2.c [2019-11-26 17:03:46,699 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8a37178d/aa6d4f82e1d748e5a813608473d7ee7b/FLAG52b2e499d [2019-11-26 17:03:47,020 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8a37178d/aa6d4f82e1d748e5a813608473d7ee7b [2019-11-26 17:03:47,029 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:03:47,030 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:03:47,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:03:47,034 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:03:47,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:03:47,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:03:47" (1/1) ... [2019-11-26 17:03:47,048 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 05:03:47, skipping insertion in model container [2019-11-26 17:03:47,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:03:47" (1/1) ... [2019-11-26 17:03:47,062 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:03:47,093 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:03:47,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:03:47,423 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:03:47,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:03:47,478 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:03:47,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:47 WrapperNode [2019-11-26 17:03:47,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:03:47,482 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:03:47,484 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:03:47,484 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:03:47,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:47" (1/1) ... [2019-11-26 17:03:47,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:47" (1/1) ... [2019-11-26 17:03:47,598 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:03:47,600 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:03:47,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:03:47,600 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:03:47,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:47" (1/1) ... [2019-11-26 17:03:47,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:47" (1/1) ... [2019-11-26 17:03:47,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:47" (1/1) ... [2019-11-26 17:03:47,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:47" (1/1) ... [2019-11-26 17:03:47,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:47" (1/1) ... [2019-11-26 17:03:47,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:47" (1/1) ... [2019-11-26 17:03:47,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:47" (1/1) ... [2019-11-26 17:03:47,627 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:03:47,645 INFO L168 Benchmark]: Toolchain (without parser) took 599.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 989.7 MB in the end (delta: -28.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:03:47,647 INFO L168 Benchmark]: CDTParser took 2.47 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 17:03:47,648 INFO L168 Benchmark]: CACSL2BoogieTranslator took 447.50 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. [2019-11-26 17:03:47,651 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.50 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 995.4 MB in the end (delta: -45.2 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-26 17:03:47,653 INFO L168 Benchmark]: Boogie Preprocessor took 27.86 ms. Allocated memory is still 1.0 GB. Free memory was 995.4 MB in the beginning and 989.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:03:47,660 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.47 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 447.50 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 117.50 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 995.4 MB in the end (delta: -45.2 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 27.86 ms. Allocated memory is still 1.0 GB. Free memory was 995.4 MB in the beginning and 989.7 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 0.1.24-025d5a2 [2019-11-26 17:03:50,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:03:50,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:03:50,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:03:50,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:03:50,392 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:03:50,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:03:50,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:03:50,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:03:50,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:03:50,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:03:50,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:03:50,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:03:50,423 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:03:50,426 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:03:50,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:03:50,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:03:50,431 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:03:50,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:03:50,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:03:50,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:03:50,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:03:50,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:03:50,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:03:50,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:03:50,461 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:03:50,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:03:50,463 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:03:50,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:03:50,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:03:50,465 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:03:50,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:03:50,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:03:50,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:03:50,473 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:03:50,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:03:50,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:03:50,476 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:03:50,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:03:50,479 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:03:50,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:03:50,484 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:03:50,523 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:03:50,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:03:50,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:03:50,532 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:03:50,532 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:03:50,533 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:03:50,533 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:03:50,533 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:03:50,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:03:50,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:03:50,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:03:50,537 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:03:50,537 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:03:50,537 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:03:50,538 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:03:50,538 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:03:50,538 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:03:50,538 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:03:50,538 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:03:50,539 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:03:50,539 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:03:50,539 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:03:50,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:03:50,539 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:03:50,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:03:50,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:03:50,542 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:03:50,542 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:03:50,543 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:03:50,543 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:03:50,544 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 -> 92de3ce9156ddf83a60df0cbd59fea0aeff14b3b [2019-11-26 17:03:50,971 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:03:50,986 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:03:50,993 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:03:50,995 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:03:50,998 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:03:50,999 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/simple_3-2.c [2019-11-26 17:03:51,103 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42b37f4fc/b89f4874caed45afa5bf8d763fead837/FLAG67d1ce7ec [2019-11-26 17:03:51,764 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:03:51,767 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/simple_3-2.c [2019-11-26 17:03:51,775 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42b37f4fc/b89f4874caed45afa5bf8d763fead837/FLAG67d1ce7ec [2019-11-26 17:03:52,117 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42b37f4fc/b89f4874caed45afa5bf8d763fead837 [2019-11-26 17:03:52,126 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:03:52,129 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:03:52,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:03:52,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:03:52,140 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:03:52,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:03:52" (1/1) ... [2019-11-26 17:03:52,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@435202c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:52, skipping insertion in model container [2019-11-26 17:03:52,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:03:52" (1/1) ... [2019-11-26 17:03:52,164 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:03:52,201 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:03:52,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:03:52,511 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:03:52,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:03:52,541 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:03:52,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:52 WrapperNode [2019-11-26 17:03:52,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:03:52,547 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:03:52,548 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:03:52,548 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:03:52,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:52" (1/1) ... [2019-11-26 17:03:52,631 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:52" (1/1) ... [2019-11-26 17:03:52,646 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:03:52,646 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:03:52,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:03:52,646 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:03:52,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:52" (1/1) ... [2019-11-26 17:03:52,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:52" (1/1) ... [2019-11-26 17:03:52,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:52" (1/1) ... [2019-11-26 17:03:52,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:52" (1/1) ... [2019-11-26 17:03:52,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:52" (1/1) ... [2019-11-26 17:03:52,664 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:52" (1/1) ... [2019-11-26 17:03:52,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:03:52" (1/1) ... [2019-11-26 17:03:52,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:03:52,684 INFO L168 Benchmark]: Toolchain (without parser) took 539.99 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 997.0 MB in the end (delta: -36.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:03:52,684 INFO L168 Benchmark]: CDTParser took 0.25 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 17:03:52,688 INFO L168 Benchmark]: CACSL2BoogieTranslator took 408.29 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:03:52,691 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.63 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 17:03:52,692 INFO L168 Benchmark]: Boogie Preprocessor took 20.85 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. [2019-11-26 17:03:52,701 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 408.29 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 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 98.63 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 20.85 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...