./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 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-floats-scientific-comp/loop1-2.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 264bfe6ed9d94f386b1000d33074dec83a5848c5 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-floats-scientific-comp/loop1-2.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 264bfe6ed9d94f386b1000d33074dec83a5848c5 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:10:07,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:07,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:07,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:07,742 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:07,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:07,750 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:07,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:07,771 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:07,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:07,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:07,784 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:07,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:07,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:07,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:07,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:07,802 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:07,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:07,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:07,819 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:07,828 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:07,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:07,837 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:07,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:07,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:07,849 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:07,852 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:07,854 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:07,855 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:07,856 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:07,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:07,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:07,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:07,865 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:07,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:07,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:07,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:07,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:07,871 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:07,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:07,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:07,881 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:10:07,915 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:07,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:07,921 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:07,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:07,922 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:07,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:07,925 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:07,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:10:07,925 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:07,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:07,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:07,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:07,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:07,928 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:07,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:07,928 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:07,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:07,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:07,930 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:07,931 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:07,933 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:07,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:07,933 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:07,934 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:07,934 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:07,934 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:10:07,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:10:07,936 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:07,936 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 -> 264bfe6ed9d94f386b1000d33074dec83a5848c5 [2019-11-27 16:10:08,474 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:08,501 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:08,507 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:08,512 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:08,513 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:08,515 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c [2019-11-27 16:10:08,666 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b7c956b7/6958de2446d5432685c3c78a097213e9/FLAG4287b86f1 [2019-11-27 16:10:09,622 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:09,627 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c [2019-11-27 16:10:09,642 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b7c956b7/6958de2446d5432685c3c78a097213e9/FLAG4287b86f1 [2019-11-27 16:10:09,804 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b7c956b7/6958de2446d5432685c3c78a097213e9 [2019-11-27 16:10:09,812 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:09,815 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:09,821 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:09,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:09,829 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:09,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:09" (1/1) ... [2019-11-27 16:10:09,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39a3f223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:09, skipping insertion in model container [2019-11-27 16:10:09,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:09" (1/1) ... [2019-11-27 16:10:09,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:09,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:10,302 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:10,315 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:10,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:10,395 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:10,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:10 WrapperNode [2019-11-27 16:10:10,396 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:10,397 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:10,399 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:10,402 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:10,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:10" (1/1) ... [2019-11-27 16:10:10,434 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:10" (1/1) ... [2019-11-27 16:10:10,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:10,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:10,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:10,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:10,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:10" (1/1) ... [2019-11-27 16:10:10,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:10" (1/1) ... [2019-11-27 16:10:10,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:10" (1/1) ... [2019-11-27 16:10:10,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:10" (1/1) ... [2019-11-27 16:10:10,587 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:10" (1/1) ... [2019-11-27 16:10:10,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:10" (1/1) ... [2019-11-27 16:10:10,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:10" (1/1) ... [2019-11-27 16:10:10,605 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:10,611 INFO L168 Benchmark]: Toolchain (without parser) took 793.00 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 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:10,628 INFO L168 Benchmark]: CDTParser took 1.97 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 16:10:10,629 INFO L168 Benchmark]: CACSL2BoogieTranslator took 575.87 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 948.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:10,632 INFO L168 Benchmark]: Boogie Procedure Inliner took 157.93 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. [2019-11-27 16:10:10,638 INFO L168 Benchmark]: Boogie Preprocessor took 50.03 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 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. [2019-11-27 16:10:10,648 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.97 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 575.87 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 948.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 157.93 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 50.03 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:10:14,295 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:14,302 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:14,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:14,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:14,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:14,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:14,359 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:14,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:14,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:14,371 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:14,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:14,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:14,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:14,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:14,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:14,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:14,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:14,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:14,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:14,419 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:14,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:14,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:14,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:14,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:14,442 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:14,443 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:14,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:14,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:14,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:14,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:14,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:14,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:14,456 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:14,458 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:14,458 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:14,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:14,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:14,462 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:14,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:14,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:14,470 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:10:14,506 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:14,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:14,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:14,514 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:14,514 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:14,515 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:14,515 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:14,515 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:14,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:14,516 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:14,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:14,519 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:14,519 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:10:14,520 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:10:14,520 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:14,520 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:14,520 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:14,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:14,522 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:14,522 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:14,524 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:14,524 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:14,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:14,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:14,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:14,527 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:14,527 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:10:14,527 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:10:14,528 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:14,528 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:10:14,529 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 -> 264bfe6ed9d94f386b1000d33074dec83a5848c5 [2019-11-27 16:10:15,088 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:15,119 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:15,128 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:15,130 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:15,131 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:15,134 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c [2019-11-27 16:10:15,286 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/456afe1e4/7ebd99a3fe5b47acae3547d5bd8e6ec1/FLAG862f11726 [2019-11-27 16:10:16,245 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:16,247 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c [2019-11-27 16:10:16,266 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/456afe1e4/7ebd99a3fe5b47acae3547d5bd8e6ec1/FLAG862f11726 [2019-11-27 16:10:16,301 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/456afe1e4/7ebd99a3fe5b47acae3547d5bd8e6ec1 [2019-11-27 16:10:16,313 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:16,315 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:16,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:16,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:16,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:16,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:16,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc0b2b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16, skipping insertion in model container [2019-11-27 16:10:16,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:16,361 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:16,406 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:16,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:16,859 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:16,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:16,942 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:16,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16 WrapperNode [2019-11-27 16:10:16,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:16,948 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:16,948 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:16,948 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:17,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:17,078 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:17,124 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:17,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:17,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:17,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:17,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:17,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:17,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:17,167 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:17,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:17,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:17,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:17,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:17,219 INFO L168 Benchmark]: Toolchain (without parser) took 901.17 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 16:10:17,221 INFO L168 Benchmark]: CDTParser took 0.41 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 16:10:17,222 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.12 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:17,224 INFO L168 Benchmark]: Boogie Procedure Inliner took 177.26 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 996.9 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:17,226 INFO L168 Benchmark]: Boogie Preprocessor took 88.84 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 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 16:10:17,246 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 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 626.12 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 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 177.26 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 996.9 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 88.84 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 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...