./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/filter1.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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/filter1.c.v+lhb-reducer.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 056bf8e6ba5df6966e0f82320ce36676b5ee3b5e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/filter1.c.v+lhb-reducer.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 056bf8e6ba5df6966e0f82320ce36676b5ee3b5e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:03:48,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:03:48,517 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:03:48,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:03:48,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:03:48,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:03:48,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:03:48,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:03:48,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:03:48,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:03:48,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:03:48,574 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:03:48,574 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:03:48,579 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:03:48,580 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:03:48,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:03:48,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:03:48,585 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:03:48,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:03:48,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:03:48,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:03:48,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:03:48,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:03:48,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:03:48,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:03:48,615 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:03:48,615 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:03:48,617 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:03:48,617 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:03:48,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:03:48,619 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:03:48,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:03:48,623 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:03:48,624 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:03:48,625 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:03:48,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:03:48,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:03:48,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:03:48,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:03:48,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:03:48,633 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:03:48,634 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:03:48,674 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:03:48,675 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:03:48,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:03:48,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:03:48,679 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:03:48,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:03:48,680 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:03:48,680 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:03:48,680 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:03:48,680 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:03:48,685 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:03:48,685 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:03:48,685 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:03:48,686 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:03:48,686 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:03:48,686 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:03:48,686 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:03:48,687 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:03:48,687 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:03:48,687 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:03:48,687 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:03:48,687 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:03:48,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:03:48,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:03:48,688 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:03:48,688 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:03:48,688 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:03:48,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:03:48,689 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:03:48,689 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 -> 056bf8e6ba5df6966e0f82320ce36676b5ee3b5e [2019-11-24 21:03:49,138 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:03:49,156 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:03:49,163 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:03:49,168 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:03:49,169 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:03:49,170 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/filter1.c.v+lhb-reducer.c [2019-11-24 21:03:49,273 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29a1ea491/34a40dc793d549e48006e44b4002d23e/FLAG8bbad6bac [2019-11-24 21:03:50,013 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:03:50,014 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter1.c.v+lhb-reducer.c [2019-11-24 21:03:50,027 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29a1ea491/34a40dc793d549e48006e44b4002d23e/FLAG8bbad6bac [2019-11-24 21:03:50,315 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29a1ea491/34a40dc793d549e48006e44b4002d23e [2019-11-24 21:03:50,332 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:03:50,336 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:03:50,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:03:50,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:03:50,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:03:50,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:03:50" (1/1) ... [2019-11-24 21:03:50,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a3c942f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:50, skipping insertion in model container [2019-11-24 21:03:50,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:03:50" (1/1) ... [2019-11-24 21:03:50,368 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:03:50,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:03:50,772 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:03:50,782 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:03:50,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:03:50,930 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:03:50,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:50 WrapperNode [2019-11-24 21:03:50,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:03:50,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:03:50,939 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:03:50,939 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:03:50,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:50" (1/1) ... [2019-11-24 21:03:50,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:50" (1/1) ... [2019-11-24 21:03:50,987 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:03:50,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:03:50,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:03:50,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:03:50,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:50" (1/1) ... [2019-11-24 21:03:50,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:50" (1/1) ... [2019-11-24 21:03:51,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:50" (1/1) ... [2019-11-24 21:03:51,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:50" (1/1) ... [2019-11-24 21:03:51,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:50" (1/1) ... [2019-11-24 21:03:51,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:50" (1/1) ... [2019-11-24 21:03:51,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:50" (1/1) ... [2019-11-24 21:03:51,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:03:51,037 INFO L168 Benchmark]: Toolchain (without parser) took 696.75 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 990.1 MB in the end (delta: -28.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:03:51,051 INFO L168 Benchmark]: CDTParser took 0.62 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. [2019-11-24 21:03:51,052 INFO L168 Benchmark]: CACSL2BoogieTranslator took 593.48 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 990.1 MB in the end (delta: -28.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-24 21:03:51,053 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.98 ms. Allocated memory is still 1.0 GB. Free memory is still 990.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:03:51,054 INFO L168 Benchmark]: Boogie Preprocessor took 43.02 ms. Allocated memory is still 1.0 GB. Free memory is still 990.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:03:51,062 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62 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 593.48 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 990.1 MB in the end (delta: -28.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 48.98 ms. Allocated memory is still 1.0 GB. Free memory is still 990.1 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 43.02 ms. Allocated memory is still 1.0 GB. Free memory is still 990.1 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 0.1.24-32f2683 [2019-11-24 21:03:53,744 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:03:53,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:03:53,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:03:53,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:03:53,780 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:03:53,782 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:03:53,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:03:53,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:03:53,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:03:53,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:03:53,812 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:03:53,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:03:53,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:03:53,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:03:53,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:03:53,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:03:53,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:03:53,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:03:53,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:03:53,838 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:03:53,843 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:03:53,844 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:03:53,848 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:03:53,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:03:53,854 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:03:53,854 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:03:53,858 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:03:53,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:03:53,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:03:53,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:03:53,862 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:03:53,863 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:03:53,864 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:03:53,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:03:53,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:03:53,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:03:53,869 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:03:53,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:03:53,872 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:03:53,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:03:53,874 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:03:53,901 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:03:53,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:03:53,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:03:53,909 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:03:53,909 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:03:53,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:03:53,909 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:03:53,910 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:03:53,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:03:53,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:03:53,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:03:53,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:03:53,911 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:03:53,912 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:03:53,914 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:03:53,914 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:03:53,914 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:03:53,914 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:03:53,914 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:03:53,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:03:53,915 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:03:53,915 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:03:53,915 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:03:53,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:03:53,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:03:53,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:03:53,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:03:53,917 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:03:53,917 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:03:53,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:03:53,921 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:03:53,921 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 -> 056bf8e6ba5df6966e0f82320ce36676b5ee3b5e [2019-11-24 21:03:54,368 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:03:54,387 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:03:54,390 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:03:54,395 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:03:54,399 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:03:54,399 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/filter1.c.v+lhb-reducer.c [2019-11-24 21:03:54,499 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb9815b4c/3a8d6cc6fe8c49da9cf8e375f7d6bc49/FLAGc018e1824 [2019-11-24 21:03:55,212 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:03:55,213 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/filter1.c.v+lhb-reducer.c [2019-11-24 21:03:55,224 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb9815b4c/3a8d6cc6fe8c49da9cf8e375f7d6bc49/FLAGc018e1824 [2019-11-24 21:03:55,510 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb9815b4c/3a8d6cc6fe8c49da9cf8e375f7d6bc49 [2019-11-24 21:03:55,523 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:03:55,525 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:03:55,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:03:55,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:03:55,533 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:03:55,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:03:55" (1/1) ... [2019-11-24 21:03:55,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@549c264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:55, skipping insertion in model container [2019-11-24 21:03:55,543 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:03:55" (1/1) ... [2019-11-24 21:03:55,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:03:55,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:03:55,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:03:55,954 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:03:56,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:03:56,094 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:03:56,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:56 WrapperNode [2019-11-24 21:03:56,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:03:56,100 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:03:56,101 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:03:56,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:03:56,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:56" (1/1) ... [2019-11-24 21:03:56,123 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:56" (1/1) ... [2019-11-24 21:03:56,152 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:03:56,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:03:56,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:03:56,153 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:03:56,160 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:56" (1/1) ... [2019-11-24 21:03:56,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:56" (1/1) ... [2019-11-24 21:03:56,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:56" (1/1) ... [2019-11-24 21:03:56,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:56" (1/1) ... [2019-11-24 21:03:56,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:56" (1/1) ... [2019-11-24 21:03:56,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:56" (1/1) ... [2019-11-24 21:03:56,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:56" (1/1) ... [2019-11-24 21:03:56,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:03:56,210 INFO L168 Benchmark]: Toolchain (without parser) took 682.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 985.6 MB in the end (delta: -19.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:03:56,211 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:03:56,213 INFO L168 Benchmark]: CACSL2BoogieTranslator took 565.60 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.3 MB in the end (delta: -25.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:03:56,214 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.08 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:03:56,215 INFO L168 Benchmark]: Boogie Preprocessor took 53.02 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:03:56,227 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 565.60 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.3 MB in the end (delta: -25.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 52.08 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 53.02 ms. Allocated memory is still 1.0 GB. Free memory was 991.3 MB in the beginning and 985.6 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...