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_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 19:37:24,432 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 19:37:24,436 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 19:37:24,457 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 19:37:24,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 19:37:24,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 19:37:24,461 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 19:37:24,475 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 19:37:24,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 19:37:24,478 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 19:37:24,481 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 19:37:24,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 19:37:24,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 19:37:24,486 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 19:37:24,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 19:37:24,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 19:37:24,494 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 19:37:24,497 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 19:37:24,499 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 19:37:24,505 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 19:37:24,510 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 19:37:24,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 19:37:24,515 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 19:37:24,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 19:37:24,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 19:37:24,519 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 19:37:24,520 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 19:37:24,522 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 19:37:24,524 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 19:37:24,525 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 19:37:24,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 19:37:24,528 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 19:37:24,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 19:37:24,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 19:37:24,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 19:37:24,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 19:37:24,534 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 19:37:24,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 19:37:24,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 19:37:24,536 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 19:37:24,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 19:37:24,539 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 [2019-08-14 19:37:24,560 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 19:37:24,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 19:37:24,562 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 19:37:24,562 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 19:37:24,562 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 19:37:24,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 19:37:24,563 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 19:37:24,563 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 19:37:24,563 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 19:37:24,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 19:37:24,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 19:37:24,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 19:37:24,564 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 19:37:24,564 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 19:37:24,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 19:37:24,565 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 19:37:24,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 19:37:24,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 19:37:24,566 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 19:37:24,566 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 19:37:24,566 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 19:37:24,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 19:37:24,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 19:37:24,567 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 19:37:24,567 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 19:37:24,567 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 19:37:24,567 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 19:37:24,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 19:37:24,568 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 19:37:24,599 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 19:37:24,614 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 19:37:24,618 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 19:37:24,620 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 19:37:24,620 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 19:37:24,624 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_1_1.i [2019-08-14 19:37:24,694 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bee1a935c/d3e866259d5f40ba93738eb3eb7fbf15/FLAGa369a22b2 [2019-08-14 19:37:25,141 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 19:37:25,142 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_1_1.i [2019-08-14 19:37:25,150 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bee1a935c/d3e866259d5f40ba93738eb3eb7fbf15/FLAGa369a22b2 [2019-08-14 19:37:25,566 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bee1a935c/d3e866259d5f40ba93738eb3eb7fbf15 [2019-08-14 19:37:25,577 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 19:37:25,579 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 19:37:25,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 19:37:25,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 19:37:25,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 19:37:25,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 07:37:25" (1/1) ... [2019-08-14 19:37:25,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@793b0d81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:37:25, skipping insertion in model container [2019-08-14 19:37:25,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 07:37:25" (1/1) ... [2019-08-14 19:37:25,595 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 19:37:25,612 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 19:37:25,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 19:37:25,792 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 19:37:25,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 19:37:25,834 INFO L192 MainTranslator]: Completed translation [2019-08-14 19:37:25,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:37:25 WrapperNode [2019-08-14 19:37:25,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 19:37:25,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 19:37:25,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 19:37:25,836 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 19:37:25,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:37:25" (1/1) ... [2019-08-14 19:37:25,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:37:25" (1/1) ... [2019-08-14 19:37:25,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:37:25" (1/1) ... [2019-08-14 19:37:25,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:37:25" (1/1) ... [2019-08-14 19:37:25,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:37:25" (1/1) ... [2019-08-14 19:37:25,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:37:25" (1/1) ... [2019-08-14 19:37:25,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:37:25" (1/1) ... [2019-08-14 19:37:25,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 19:37:25,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 19:37:25,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 19:37:25,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 19:37:25,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:37:25" (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 [2019-08-14 19:37:26,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 19:37:26,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 19:37:26,009 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-14 19:37:26,009 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2019-08-14 19:37:26,009 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 19:37:26,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 19:37:26,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-14 19:37:26,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-14 19:37:26,010 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-14 19:37:26,010 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2019-08-14 19:37:26,010 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 19:37:26,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 19:37:26,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 19:37:26,163 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 19:37:26,164 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-14 19:37:26,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 07:37:26 BoogieIcfgContainer [2019-08-14 19:37:26,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 19:37:26,166 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 19:37:26,166 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 19:37:26,166 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 19:37:26,167 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 07:37:26" (1/1) ... [2019-08-14 19:37:26,292 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 19:37:26,296 INFO L168 Benchmark]: Toolchain (without parser) took 715.13 ms. Allocated memory was 130.5 MB in the beginning and 197.7 MB in the end (delta: 67.1 MB). Free memory was 86.7 MB in the beginning and 158.3 MB in the end (delta: -71.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-14 19:37:26,297 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 130.5 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 19:37:26,299 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.77 ms. Allocated memory is still 130.5 MB. Free memory was 86.5 MB in the beginning and 76.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-08-14 19:37:26,300 INFO L168 Benchmark]: Boogie Preprocessor took 117.63 ms. Allocated memory was 130.5 MB in the beginning and 197.7 MB in the end (delta: 67.1 MB). Free memory was 76.7 MB in the beginning and 173.7 MB in the end (delta: -97.1 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-08-14 19:37:26,301 INFO L168 Benchmark]: RCFGBuilder took 211.43 ms. Allocated memory is still 197.7 MB. Free memory was 173.7 MB in the beginning and 162.8 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-08-14 19:37:26,303 INFO L168 Benchmark]: Symbolic Interpretation took 126.62 ms. Allocated memory is still 197.7 MB. Free memory was 162.8 MB in the beginning and 158.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-08-14 19:37:26,310 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 23#true. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 130.5 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 255.77 ms. Allocated memory is still 130.5 MB. Free memory was 86.5 MB in the beginning and 76.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.63 ms. Allocated memory was 130.5 MB in the beginning and 197.7 MB in the end (delta: 67.1 MB). Free memory was 76.7 MB in the beginning and 173.7 MB in the end (delta: -97.1 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 211.43 ms. Allocated memory is still 197.7 MB. Free memory was 173.7 MB in the beginning and 162.8 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 126.62 ms. Allocated memory is still 197.7 MB. Free memory was 162.8 MB in the beginning and 158.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...