./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/loop-1.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/float-benchs/loop-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5d57b69a18e01217b153b00cc1c03d5a7a42828b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/float-benchs/loop-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5d57b69a18e01217b153b00cc1c03d5a7a42828b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:07:08,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:07:08,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:07:08,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:07:08,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:07:08,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:07:08,528 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:07:08,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:07:08,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:07:08,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:07:08,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:07:08,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:07:08,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:07:08,573 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:07:08,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:07:08,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:07:08,584 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:07:08,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:07:08,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:07:08,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:07:08,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:07:08,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:07:08,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:07:08,624 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:07:08,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:07:08,633 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:07:08,633 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:07:08,636 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:07:08,638 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:07:08,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:07:08,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:07:08,653 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:07:08,654 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:07:08,658 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:07:08,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:07:08,663 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:07:08,664 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:07:08,668 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:07:08,668 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:07:08,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:07:08,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:07:08,677 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:07:08,720 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:07:08,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:07:08,726 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:07:08,726 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:07:08,727 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:07:08,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:07:08,728 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:07:08,730 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:07:08,730 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:07:08,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:07:08,732 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:07:08,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:07:08,735 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:07:08,736 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:07:08,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:07:08,737 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:07:08,737 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:07:08,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:07:08,740 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:07:08,741 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:07:08,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:07:08,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:07:08,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:07:08,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:07:08,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:07:08,745 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:07:08,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:07:08,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:07:08,746 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d57b69a18e01217b153b00cc1c03d5a7a42828b [2019-11-27 16:07:09,384 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:07:09,415 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:07:09,421 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:07:09,425 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:07:09,427 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:07:09,428 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/loop-1.c [2019-11-27 16:07:09,591 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bb6f6fa0/ba2151616ccb4e67b8316104efcef82f/FLAGe46687cc2 [2019-11-27 16:07:10,664 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:07:10,669 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/loop-1.c [2019-11-27 16:07:10,683 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bb6f6fa0/ba2151616ccb4e67b8316104efcef82f/FLAGe46687cc2 [2019-11-27 16:07:10,723 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bb6f6fa0/ba2151616ccb4e67b8316104efcef82f [2019-11-27 16:07:10,733 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:07:10,735 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:07:10,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:10,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:07:10,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:07:10,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:10" (1/1) ... [2019-11-27 16:07:10,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fe53f8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:10, skipping insertion in model container [2019-11-27 16:07:10,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:10" (1/1) ... [2019-11-27 16:07:10,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:07:10,830 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:07:11,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:11,303 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:07:11,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:11,381 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:07:11,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:11 WrapperNode [2019-11-27 16:07:11,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:11,392 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:11,392 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:07:11,394 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:07:11,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:11" (1/1) ... [2019-11-27 16:07:11,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:11" (1/1) ... [2019-11-27 16:07:11,572 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:11,577 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:07:11,577 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:07:11,578 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:07:11,594 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:11" (1/1) ... [2019-11-27 16:07:11,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:11" (1/1) ... [2019-11-27 16:07:11,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:11" (1/1) ... [2019-11-27 16:07:11,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:11" (1/1) ... [2019-11-27 16:07:11,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:11" (1/1) ... [2019-11-27 16:07:11,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:11" (1/1) ... [2019-11-27 16:07:11,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:11" (1/1) ... [2019-11-27 16:07:11,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:07:11,620 INFO L168 Benchmark]: Toolchain (without parser) took 880.52 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 997.1 MB in the end (delta: -35.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:11,636 INFO L168 Benchmark]: CDTParser took 1.35 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:11,640 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.41 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 16:07:11,642 INFO L168 Benchmark]: Boogie Procedure Inliner took 184.76 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 997.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:11,648 INFO L168 Benchmark]: Boogie Preprocessor took 35.65 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:11,659 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.35 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 648.41 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 184.76 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 997.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 35.65 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. 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 16:07:15,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:07:15,610 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:07:15,646 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:07:15,647 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:07:15,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:07:15,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:07:15,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:07:15,675 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:07:15,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:07:15,685 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:07:15,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:07:15,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:07:15,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:07:15,701 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:07:15,706 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:07:15,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:07:15,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:07:15,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:07:15,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:07:15,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:07:15,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:07:15,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:07:15,751 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:07:15,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:07:15,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:07:15,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:07:15,764 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:07:15,765 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:07:15,770 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:07:15,770 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:07:15,771 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:07:15,774 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:07:15,776 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:07:15,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:07:15,781 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:07:15,782 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:07:15,784 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:07:15,784 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:07:15,785 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:07:15,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:07:15,793 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:07:15,830 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:07:15,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:07:15,836 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:07:15,838 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:07:15,838 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:07:15,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:07:15,840 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:07:15,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:07:15,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:07:15,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:07:15,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:07:15,845 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:07:15,845 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:07:15,846 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:07:15,846 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:07:15,846 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:07:15,848 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:07:15,848 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:07:15,848 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:07:15,849 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:07:15,849 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:07:15,850 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:07:15,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:07:15,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:07:15,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:07:15,853 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:07:15,853 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:07:15,853 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:07:15,856 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:07:15,856 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:07:15,857 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 -> 5d57b69a18e01217b153b00cc1c03d5a7a42828b [2019-11-27 16:07:16,434 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:07:16,486 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:07:16,497 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:07:16,502 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:07:16,502 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:07:16,506 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/loop-1.c [2019-11-27 16:07:16,667 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4983ae41/1a912b3961be4c23bcce52f5d3578c58/FLAG3d1bc3e53 [2019-11-27 16:07:17,731 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:07:17,735 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/loop-1.c [2019-11-27 16:07:17,747 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4983ae41/1a912b3961be4c23bcce52f5d3578c58/FLAG3d1bc3e53 [2019-11-27 16:07:17,787 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4983ae41/1a912b3961be4c23bcce52f5d3578c58 [2019-11-27 16:07:17,799 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:07:17,801 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:07:17,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:17,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:07:17,814 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:07:17,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:17" (1/1) ... [2019-11-27 16:07:17,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2649282b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:17, skipping insertion in model container [2019-11-27 16:07:17,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:07:17" (1/1) ... [2019-11-27 16:07:17,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:07:17,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:07:18,375 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:18,387 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:07:18,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:07:18,466 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:07:18,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:18 WrapperNode [2019-11-27 16:07:18,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:07:18,483 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:18,483 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:07:18,483 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:07:18,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:18" (1/1) ... [2019-11-27 16:07:18,620 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:18" (1/1) ... [2019-11-27 16:07:18,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:07:18,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:07:18,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:07:18,675 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:07:18,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:18" (1/1) ... [2019-11-27 16:07:18,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:18" (1/1) ... [2019-11-27 16:07:18,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:18" (1/1) ... [2019-11-27 16:07:18,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:18" (1/1) ... [2019-11-27 16:07:18,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:18" (1/1) ... [2019-11-27 16:07:18,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:18" (1/1) ... [2019-11-27 16:07:18,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:07:18" (1/1) ... [2019-11-27 16:07:18,771 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:07:18,783 INFO L168 Benchmark]: Toolchain (without parser) took 974.52 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 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:07:18,786 INFO L168 Benchmark]: CDTParser took 0.44 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 16:07:18,790 INFO L168 Benchmark]: CACSL2BoogieTranslator took 663.03 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 16:07:18,791 INFO L168 Benchmark]: Boogie Procedure Inliner took 188.84 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: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:18,796 INFO L168 Benchmark]: Boogie Preprocessor took 100.72 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:07:18,807 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 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 663.03 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 188.84 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: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 100.72 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 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...