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/newton_1_6.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 11:39:15,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 11:39:15,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 11:39:15,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 11:39:15,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 11:39:15,658 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 11:39:15,659 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 11:39:15,661 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 11:39:15,663 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 11:39:15,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 11:39:15,665 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 11:39:15,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 11:39:15,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 11:39:15,667 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 11:39:15,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 11:39:15,669 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 11:39:15,670 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 11:39:15,671 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 11:39:15,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 11:39:15,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 11:39:15,677 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 11:39:15,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 11:39:15,679 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 11:39:15,680 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 11:39:15,682 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 11:39:15,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 11:39:15,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 11:39:15,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 11:39:15,688 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 11:39:15,689 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 11:39:15,689 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 11:39:15,690 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 11:39:15,690 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 11:39:15,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 11:39:15,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 11:39:15,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 11:39:15,693 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 [2019-08-08 11:39:15,708 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 11:39:15,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 11:39:15,709 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 11:39:15,709 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 11:39:15,710 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 11:39:15,710 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 11:39:15,710 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 11:39:15,710 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 11:39:15,710 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 11:39:15,711 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 11:39:15,711 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 11:39:15,711 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 11:39:15,711 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 11:39:15,711 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 11:39:15,712 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 11:39:15,712 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 11:39:15,712 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 11:39:15,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 11:39:15,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 11:39:15,713 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 11:39:15,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 11:39:15,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 11:39:15,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 11:39:15,713 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 11:39:15,714 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 11:39:15,714 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 11:39:15,714 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 11:39:15,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 11:39:15,714 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 11:39:15,744 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 11:39:15,757 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 11:39:15,761 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 11:39:15,762 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 11:39:15,763 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 11:39:15,764 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_1_6.i [2019-08-08 11:39:15,827 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3bcd0541/b68aef6870b14733ad5f583721504a38/FLAG237d5cd07 [2019-08-08 11:39:16,309 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 11:39:16,309 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_1_6.i [2019-08-08 11:39:16,316 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3bcd0541/b68aef6870b14733ad5f583721504a38/FLAG237d5cd07 [2019-08-08 11:39:16,719 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3bcd0541/b68aef6870b14733ad5f583721504a38 [2019-08-08 11:39:16,730 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 11:39:16,732 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 11:39:16,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 11:39:16,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 11:39:16,736 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 11:39:16,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:39:16" (1/1) ... [2019-08-08 11:39:16,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22dfd350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:16, skipping insertion in model container [2019-08-08 11:39:16,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:39:16" (1/1) ... [2019-08-08 11:39:16,748 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 11:39:16,765 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 11:39:16,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:39:16,949 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 11:39:16,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:39:16,986 INFO L192 MainTranslator]: Completed translation [2019-08-08 11:39:16,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:16 WrapperNode [2019-08-08 11:39:16,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 11:39:16,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 11:39:16,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 11:39:16,987 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 11:39:17,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:16" (1/1) ... [2019-08-08 11:39:17,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:16" (1/1) ... [2019-08-08 11:39:17,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:16" (1/1) ... [2019-08-08 11:39:17,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:16" (1/1) ... [2019-08-08 11:39:17,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:16" (1/1) ... [2019-08-08 11:39:17,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:16" (1/1) ... [2019-08-08 11:39:17,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:16" (1/1) ... [2019-08-08 11:39:17,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 11:39:17,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 11:39:17,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 11:39:17,121 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 11:39:17,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:39:16" (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 [2019-08-08 11:39:17,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 11:39:17,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 11:39:17,174 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-08 11:39:17,174 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2019-08-08 11:39:17,174 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 11:39:17,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 11:39:17,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-08 11:39:17,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-08 11:39:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-08 11:39:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2019-08-08 11:39:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 11:39:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 11:39:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 11:39:17,385 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 11:39:17,386 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-08 11:39:17,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:39:17 BoogieIcfgContainer [2019-08-08 11:39:17,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 11:39:17,388 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 11:39:17,388 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 11:39:17,388 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 11:39:17,389 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:39:17" (1/1) ... [2019-08-08 11:39:17,401 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 11:39:17,404 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 11:39:17,410 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 11:39:17,424 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 11:39:17,426 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 11:39:17,474 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-08 11:39:17,507 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 11:39:17,507 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 11:39:17,510 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 23#(and (exists ((v_~someBinaryFLOATComparisonOperation_3 Bool) (v_~someBinaryFLOATComparisonOperation_4 Bool)) (not (= 0 (ite (and v_~someBinaryFLOATComparisonOperation_3 v_~someBinaryFLOATComparisonOperation_4) 1 0)))) (exists ((v_~someBinaryDOUBLEComparisonOperation_4 Bool)) (not v_~someBinaryDOUBLEComparisonOperation_4))) [2019-08-08 11:39:17,511 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 11:39:17,519 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 11:39:17,522 INFO L168 Benchmark]: Toolchain (without parser) took 789.40 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 87.0 MB in the beginning and 158.6 MB in the end (delta: -71.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-08 11:39:17,523 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 131.1 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 11:39:17,525 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.96 ms. Allocated memory is still 131.1 MB. Free memory was 86.8 MB in the beginning and 77.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-08-08 11:39:17,526 INFO L168 Benchmark]: Boogie Preprocessor took 133.01 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 77.0 MB in the beginning and 175.1 MB in the end (delta: -98.1 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-08-08 11:39:17,527 INFO L168 Benchmark]: RCFGBuilder took 266.87 ms. Allocated memory is still 198.7 MB. Free memory was 175.1 MB in the beginning and 163.7 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-08-08 11:39:17,529 INFO L168 Benchmark]: Symbolic Interpretation took 131.46 ms. Allocated memory is still 198.7 MB. Free memory was 163.7 MB in the beginning and 158.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-08-08 11:39:17,535 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 28]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 131.1 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 253.96 ms. Allocated memory is still 131.1 MB. Free memory was 86.8 MB in the beginning and 77.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 133.01 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 77.0 MB in the beginning and 175.1 MB in the end (delta: -98.1 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 266.87 ms. Allocated memory is still 198.7 MB. Free memory was 175.1 MB in the beginning and 163.7 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 131.46 ms. Allocated memory is still 198.7 MB. Free memory was 163.7 MB in the beginning and 158.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...