java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/floats-cdfpl/sine_7.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:23:13,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:23:13,472 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:23:13,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:23:13,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:23:13,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:23:13,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:23:13,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:23:13,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:23:13,502 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:23:13,503 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:23:13,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:23:13,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:23:13,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:23:13,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:23:13,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:23:13,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:23:13,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:23:13,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:23:13,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:23:13,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:23:13,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:23:13,516 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:23:13,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:23:13,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 21:23:13,521 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-22 21:23:13,522 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-22 21:23:13,523 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-22 21:23:13,523 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-22 21:23:13,524 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-22 21:23:13,524 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-22 21:23:13,525 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-22 21:23:13,525 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-22 21:23:13,525 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:23:13,526 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:23:13,527 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:23:13,528 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-22 21:23:13,541 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:23:13,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:23:13,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:23:13,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:23:13,543 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:23:13,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:23:13,543 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:23:13,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:23:13,544 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:23:13,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:23:13,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:23:13,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:23:13,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:23:13,545 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:23:13,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:23:13,546 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:23:13,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:23:13,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:23:13,547 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:23:13,547 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:23:13,548 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:23:13,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:23:13,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:23:13,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:23:13,549 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:23:13,549 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:23:13,549 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:23:13,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:23:13,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:23:13,600 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:23:13,612 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:23:13,616 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:23:13,617 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:23:13,617 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:23:13,618 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/sine_7.i [2019-08-22 21:23:13,676 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ab8f04a6/9057158484c24ccbb248a89b581f079a/FLAGc496b618c [2019-08-22 21:23:14,101 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:23:14,101 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/sine_7.i [2019-08-22 21:23:14,109 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ab8f04a6/9057158484c24ccbb248a89b581f079a/FLAGc496b618c [2019-08-22 21:23:14,508 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ab8f04a6/9057158484c24ccbb248a89b581f079a [2019-08-22 21:23:14,519 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:23:14,520 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:23:14,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:23:14,521 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:23:14,525 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:23:14,525 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:23:14" (1/1) ... [2019-08-22 21:23:14,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cadee66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:14, skipping insertion in model container [2019-08-22 21:23:14,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:23:14" (1/1) ... [2019-08-22 21:23:14,536 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:23:14,554 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:23:14,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:23:14,743 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:23:14,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:23:14,774 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:23:14,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:14 WrapperNode [2019-08-22 21:23:14,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:23:14,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:23:14,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:23:14,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:23:14,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:14" (1/1) ... [2019-08-22 21:23:14,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:14" (1/1) ... [2019-08-22 21:23:14,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:14" (1/1) ... [2019-08-22 21:23:14,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:14" (1/1) ... [2019-08-22 21:23:14,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:14" (1/1) ... [2019-08-22 21:23:14,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:14" (1/1) ... [2019-08-22 21:23:14,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:14" (1/1) ... [2019-08-22 21:23:14,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:23:14,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:23:14,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:23:14,901 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:23:14,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:23:14,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:23:14,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:23:14,953 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:23:14,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:23:14,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-22 21:23:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-22 21:23:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:23:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:23:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:23:15,072 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:23:15,072 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-22 21:23:15,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:23:15 BoogieIcfgContainer [2019-08-22 21:23:15,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:23:15,075 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:23:15,076 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:23:15,076 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:23:15,077 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:23:15" (1/1) ... [2019-08-22 21:23:15,097 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 21:23:15,100 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:23:15,107 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:23:15,114 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:23:15,115 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:23:15,168 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-22 21:23:15,201 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 21:23:15,201 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 21:23:15,203 INFO L179 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 16#(= main_~x~0 main_~IN~0) [2019-08-22 21:23:15,213 INFO L91 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-22 21:23:15,213 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 21:23:15,220 INFO L168 Benchmark]: Toolchain (without parser) took 694.88 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 88.1 MB in the beginning and 161.2 MB in the end (delta: -73.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-22 21:23:15,221 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-22 21:23:15,223 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.89 ms. Allocated memory is still 133.2 MB. Free memory was 87.9 MB in the beginning and 78.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-22 21:23:15,226 INFO L168 Benchmark]: Boogie Preprocessor took 125.12 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 78.2 MB in the beginning and 176.3 MB in the end (delta: -98.2 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-08-22 21:23:15,227 INFO L168 Benchmark]: RCFGBuilder took 174.32 ms. Allocated memory is still 200.3 MB. Free memory was 176.3 MB in the beginning and 167.4 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-08-22 21:23:15,228 INFO L168 Benchmark]: Symbolic Interpretation took 137.94 ms. Allocated memory is still 200.3 MB. Free memory was 167.4 MB in the beginning and 161.2 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 7.1 GB. [2019-08-22 21:23:15,234 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 14]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 16#(= main_~x~0 main_~IN~0). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 253.89 ms. Allocated memory is still 133.2 MB. Free memory was 87.9 MB in the beginning and 78.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.12 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 78.2 MB in the beginning and 176.3 MB in the end (delta: -98.2 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 174.32 ms. Allocated memory is still 200.3 MB. Free memory was 176.3 MB in the beginning and 167.4 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 137.94 ms. Allocated memory is still 200.3 MB. Free memory was 167.4 MB in the beginning and 161.2 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...