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_2_4.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 06:16:48,493 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 06:16:48,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 06:16:48,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 06:16:48,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 06:16:48,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 06:16:48,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 06:16:48,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 06:16:48,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 06:16:48,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 06:16:48,516 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 06:16:48,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 06:16:48,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 06:16:48,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 06:16:48,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 06:16:48,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 06:16:48,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 06:16:48,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 06:16:48,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 06:16:48,525 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 06:16:48,527 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 06:16:48,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 06:16:48,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 06:16:48,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 06:16:48,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-18 06:16:48,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-18 06:16:48,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-18 06:16:48,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-18 06:16:48,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-18 06:16:48,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-18 06:16:48,534 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 06:16:48,535 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 06:16:48,536 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 06:16:48,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 06:16:48,538 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 06:16:48,538 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 06:16:48,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 06:16:48,539 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 06:16:48,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 06:16:48,540 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 06:16:48,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 06:16:48,541 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 [2019-08-18 06:16:48,555 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 06:16:48,555 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 06:16:48,556 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 06:16:48,557 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 06:16:48,557 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 06:16:48,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 06:16:48,557 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 06:16:48,557 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 06:16:48,558 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 06:16:48,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 06:16:48,558 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 06:16:48,558 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 06:16:48,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 06:16:48,559 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 06:16:48,559 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 06:16:48,559 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 06:16:48,559 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 06:16:48,559 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 06:16:48,560 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 06:16:48,560 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 06:16:48,560 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 06:16:48,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:16:48,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 06:16:48,561 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 06:16:48,561 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 06:16:48,561 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 06:16:48,561 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 06:16:48,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 06:16:48,561 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 06:16:48,605 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 06:16:48,620 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 06:16:48,624 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 06:16:48,625 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 06:16:48,626 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 06:16:48,626 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_2_4.i [2019-08-18 06:16:48,687 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7126f11b1/f9e80b6eded5460bbb44b8cbe376a2d4/FLAGb56b00c7a [2019-08-18 06:16:49,139 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 06:16:49,140 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_2_4.i [2019-08-18 06:16:49,147 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7126f11b1/f9e80b6eded5460bbb44b8cbe376a2d4/FLAGb56b00c7a [2019-08-18 06:16:49,541 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7126f11b1/f9e80b6eded5460bbb44b8cbe376a2d4 [2019-08-18 06:16:49,553 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 06:16:49,554 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 06:16:49,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 06:16:49,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 06:16:49,564 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 06:16:49,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:16:49" (1/1) ... [2019-08-18 06:16:49,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15567d5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:16:49, skipping insertion in model container [2019-08-18 06:16:49,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:16:49" (1/1) ... [2019-08-18 06:16:49,576 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 06:16:49,594 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 06:16:49,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:16:49,796 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 06:16:49,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:16:49,847 INFO L192 MainTranslator]: Completed translation [2019-08-18 06:16:49,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:16:49 WrapperNode [2019-08-18 06:16:49,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 06:16:49,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 06:16:49,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 06:16:49,849 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 06:16:49,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:16:49" (1/1) ... [2019-08-18 06:16:49,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:16:49" (1/1) ... [2019-08-18 06:16:49,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:16:49" (1/1) ... [2019-08-18 06:16:49,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:16:49" (1/1) ... [2019-08-18 06:16:49,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:16:49" (1/1) ... [2019-08-18 06:16:49,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:16:49" (1/1) ... [2019-08-18 06:16:49,967 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:16:49" (1/1) ... [2019-08-18 06:16:49,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 06:16:49,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 06:16:49,976 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 06:16:49,976 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 06:16:49,979 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:16:49" (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 [2019-08-18 06:16:50,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 06:16:50,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 06:16:50,038 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-18 06:16:50,038 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2019-08-18 06:16:50,038 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 06:16:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 06:16:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-18 06:16:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-18 06:16:50,039 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-18 06:16:50,039 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2019-08-18 06:16:50,039 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 06:16:50,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 06:16:50,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 06:16:50,186 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 06:16:50,186 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-18 06:16:50,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:16:50 BoogieIcfgContainer [2019-08-18 06:16:50,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 06:16:50,189 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 06:16:50,189 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 06:16:50,189 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 06:16:50,190 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:16:50" (1/1) ... [2019-08-18 06:16:50,232 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 06:16:50,239 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 06:16:50,256 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 06:16:50,272 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 06:16:50,273 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 06:16:50,320 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-18 06:16:50,351 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 06:16:50,351 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 06:16:50,354 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 26#true [2019-08-18 06:16:50,363 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 06:16:50,363 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 06:16:50,366 INFO L168 Benchmark]: Toolchain (without parser) took 810.59 ms. Allocated memory was 140.0 MB in the beginning and 199.2 MB in the end (delta: 59.2 MB). Free memory was 87.8 MB in the beginning and 159.3 MB in the end (delta: -71.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-18 06:16:50,367 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory is still 105.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-18 06:16:50,368 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.44 ms. Allocated memory is still 140.0 MB. Free memory was 87.8 MB in the beginning and 78.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-08-18 06:16:50,370 INFO L168 Benchmark]: Boogie Preprocessor took 126.83 ms. Allocated memory was 140.0 MB in the beginning and 199.2 MB in the end (delta: 59.2 MB). Free memory was 77.7 MB in the beginning and 176.3 MB in the end (delta: -98.6 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-08-18 06:16:50,371 INFO L168 Benchmark]: RCFGBuilder took 212.74 ms. Allocated memory is still 199.2 MB. Free memory was 176.3 MB in the beginning and 164.6 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-08-18 06:16:50,372 INFO L168 Benchmark]: Symbolic Interpretation took 175.08 ms. Allocated memory is still 199.2 MB. Free memory was 164.6 MB in the beginning and 159.3 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2019-08-18 06:16:50,377 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: Over-approximation of reachable states at this location is 26#true. 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 140.0 MB. Free memory is still 105.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 289.44 ms. Allocated memory is still 140.0 MB. Free memory was 87.8 MB in the beginning and 78.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.83 ms. Allocated memory was 140.0 MB in the beginning and 199.2 MB in the end (delta: 59.2 MB). Free memory was 77.7 MB in the beginning and 176.3 MB in the end (delta: -98.6 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 212.74 ms. Allocated memory is still 199.2 MB. Free memory was 176.3 MB in the beginning and 164.6 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 175.08 ms. Allocated memory is still 199.2 MB. Free memory was 164.6 MB in the beginning and 159.3 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...