./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-cbmc-regression/float1.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 f58559d137fcf7688e3324763048c6e2c7ffac4b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/floats-cbmc-regression/float1.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 f58559d137fcf7688e3324763048c6e2c7ffac4b .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:57:31,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:57:31,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:57:31,479 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:57:31,480 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:57:31,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:57:31,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:57:31,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:57:31,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:57:31,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:57:31,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:57:31,523 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:57:31,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:57:31,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:57:31,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:57:31,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:57:31,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:57:31,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:57:31,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:57:31,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:57:31,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:57:31,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:57:31,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:57:31,590 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:57:31,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:57:31,603 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:57:31,603 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:57:31,605 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:57:31,606 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:57:31,607 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:57:31,610 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:57:31,611 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:57:31,612 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:57:31,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:57:31,618 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:57:31,619 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:57:31,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:57:31,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:57:31,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:57:31,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:57:31,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:57:31,631 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:57:31,670 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:57:31,671 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:57:31,676 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:57:31,677 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:57:31,679 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:57:31,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:57:31,680 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:57:31,680 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:57:31,680 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:57:31,680 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:57:31,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:57:31,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:57:31,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:57:31,684 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:57:31,685 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:57:31,687 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:57:31,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:57:31,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:57:31,689 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:57:31,689 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:57:31,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:57:31,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:57:31,690 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:57:31,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:57:31,693 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:57:31,693 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:57:31,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:57:31,694 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:57:31,694 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 -> f58559d137fcf7688e3324763048c6e2c7ffac4b [2019-11-26 16:57:32,248 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:57:32,277 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:57:32,285 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:57:32,288 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:57:32,289 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:57:32,290 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float1.c [2019-11-26 16:57:32,459 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cef548435/1b045ef76e984b3cb38770ff72fac047/FLAG31f869828 [2019-11-26 16:57:33,479 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:57:33,482 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float1.c [2019-11-26 16:57:33,496 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cef548435/1b045ef76e984b3cb38770ff72fac047/FLAG31f869828 [2019-11-26 16:57:33,534 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cef548435/1b045ef76e984b3cb38770ff72fac047 [2019-11-26 16:57:33,542 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:57:33,546 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:57:33,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:33,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:57:33,559 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:57:33,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:33" (1/1) ... [2019-11-26 16:57:33,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@232dfd5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:33, skipping insertion in model container [2019-11-26 16:57:33,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:33" (1/1) ... [2019-11-26 16:57:33,592 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:57:33,633 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:57:34,055 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:34,067 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:57:34,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:34,143 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:57:34,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:34 WrapperNode [2019-11-26 16:57:34,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:34,148 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:34,150 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:57:34,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:57:34,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:34" (1/1) ... [2019-11-26 16:57:34,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:34" (1/1) ... [2019-11-26 16:57:34,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:34,312 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:57:34,313 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:57:34,313 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:57:34,335 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:34" (1/1) ... [2019-11-26 16:57:34,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:34" (1/1) ... [2019-11-26 16:57:34,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:34" (1/1) ... [2019-11-26 16:57:34,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:34" (1/1) ... [2019-11-26 16:57:34,342 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:34" (1/1) ... [2019-11-26 16:57:34,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:34" (1/1) ... [2019-11-26 16:57:34,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:34" (1/1) ... [2019-11-26 16:57:34,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:57:34,353 INFO L168 Benchmark]: Toolchain (without parser) took 804.30 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. [2019-11-26 16:57:34,369 INFO L168 Benchmark]: CDTParser took 2.23 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:34,373 INFO L168 Benchmark]: CACSL2BoogieTranslator took 595.46 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:34,374 INFO L168 Benchmark]: Boogie Procedure Inliner took 164.35 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: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:34,378 INFO L168 Benchmark]: Boogie Preprocessor took 35.80 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. [2019-11-26 16:57:34,389 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.23 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 595.46 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 164.35 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: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 35.80 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 0.1.24-025d5a2 [2019-11-26 16:57:38,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:57:38,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:57:38,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:57:38,544 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:57:38,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:57:38,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:57:38,577 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:57:38,582 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:57:38,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:57:38,592 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:57:38,597 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:57:38,597 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:57:38,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:57:38,609 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:57:38,612 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:57:38,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:57:38,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:57:38,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:57:38,634 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:57:38,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:57:38,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:57:38,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:57:38,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:57:38,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:57:38,665 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:57:38,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:57:38,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:57:38,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:57:38,674 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:57:38,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:57:38,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:57:38,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:57:38,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:57:38,682 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:57:38,683 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:57:38,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:57:38,688 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:57:38,688 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:57:38,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:57:38,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:57:38,695 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:57:38,736 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:57:38,736 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:57:38,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:57:38,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:57:38,744 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:57:38,745 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:57:38,745 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:57:38,745 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:57:38,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:57:38,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:57:38,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:57:38,750 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:57:38,750 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:57:38,751 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:57:38,751 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:57:38,751 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:57:38,752 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:57:38,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:57:38,752 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:57:38,755 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:57:38,755 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:57:38,755 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:57:38,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:57:38,756 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:57:38,756 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:57:38,757 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:57:38,758 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:57:38,758 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:57:38,758 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:57:38,760 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:57:38,761 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 -> f58559d137fcf7688e3324763048c6e2c7ffac4b [2019-11-26 16:57:39,361 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:57:39,389 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:57:39,396 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:57:39,401 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:57:39,404 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:57:39,406 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float1.c [2019-11-26 16:57:39,563 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4d40e7f7/8da91ee58bf344bda61f5341027ee1ca/FLAGc93a03ff4 [2019-11-26 16:57:40,608 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:57:40,611 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float1.c [2019-11-26 16:57:40,629 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4d40e7f7/8da91ee58bf344bda61f5341027ee1ca/FLAGc93a03ff4 [2019-11-26 16:57:40,663 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4d40e7f7/8da91ee58bf344bda61f5341027ee1ca [2019-11-26 16:57:40,670 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:57:40,677 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:57:40,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:40,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:57:40,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:57:40,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:40" (1/1) ... [2019-11-26 16:57:40,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c9b2ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:40, skipping insertion in model container [2019-11-26 16:57:40,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:40" (1/1) ... [2019-11-26 16:57:40,721 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:57:40,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:57:41,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:41,160 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:57:41,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:41,235 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:57:41,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:41 WrapperNode [2019-11-26 16:57:41,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:41,242 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:41,243 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:57:41,245 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:57:41,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:41" (1/1) ... [2019-11-26 16:57:41,366 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:41" (1/1) ... [2019-11-26 16:57:41,411 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:41,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:57:41,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:57:41,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:57:41,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:41" (1/1) ... [2019-11-26 16:57:41,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:41" (1/1) ... [2019-11-26 16:57:41,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:41" (1/1) ... [2019-11-26 16:57:41,444 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:41" (1/1) ... [2019-11-26 16:57:41,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:41" (1/1) ... [2019-11-26 16:57:41,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:41" (1/1) ... [2019-11-26 16:57:41,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:41" (1/1) ... [2019-11-26 16:57:41,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:57:41,472 INFO L168 Benchmark]: Toolchain (without parser) took 794.43 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.2 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:41,487 INFO L168 Benchmark]: CDTParser took 0.38 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. [2019-11-26 16:57:41,491 INFO L168 Benchmark]: CACSL2BoogieTranslator took 556.54 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:41,493 INFO L168 Benchmark]: Boogie Procedure Inliner took 171.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:41,498 INFO L168 Benchmark]: Boogie Preprocessor took 52.86 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 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. [2019-11-26 16:57:41,510 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 556.54 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 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 171.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 996.9 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 52.86 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 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...