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_3_4.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 19:38:12,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 19:38:12,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 19:38:12,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 19:38:12,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 19:38:12,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 19:38:12,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 19:38:12,984 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 19:38:12,986 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 19:38:12,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 19:38:12,988 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 19:38:12,989 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 19:38:12,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 19:38:12,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 19:38:12,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 19:38:12,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 19:38:12,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 19:38:12,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 19:38:12,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 19:38:12,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 19:38:13,001 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 19:38:13,007 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 19:38:13,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 19:38:13,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 19:38:13,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 19:38:13,015 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 19:38:13,015 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 19:38:13,017 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 19:38:13,017 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 19:38:13,018 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 19:38:13,019 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 19:38:13,019 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 19:38:13,022 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 19:38:13,023 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 19:38:13,026 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 19:38:13,026 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 19:38:13,027 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 19:38:13,027 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 19:38:13,027 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 19:38:13,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 19:38:13,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 19:38:13,030 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 19:38:13,061 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 19:38:13,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 19:38:13,063 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 19:38:13,064 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 19:38:13,064 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 19:38:13,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 19:38:13,064 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 19:38:13,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 19:38:13,065 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 19:38:13,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 19:38:13,066 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 19:38:13,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 19:38:13,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 19:38:13,067 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 19:38:13,067 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 19:38:13,068 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 19:38:13,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 19:38:13,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 19:38:13,068 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 19:38:13,068 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 19:38:13,069 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 19:38:13,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 19:38:13,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 19:38:13,069 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 19:38:13,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 19:38:13,070 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 19:38:13,070 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 19:38:13,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 19:38:13,070 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 19:38:13,123 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 19:38:13,134 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 19:38:13,138 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 19:38:13,139 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 19:38:13,139 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 19:38:13,140 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_3_4.i [2019-08-14 19:38:13,195 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afabf8391/a954349e73934ea5aea00625a85115c1/FLAGbe75c3abf [2019-08-14 19:38:13,610 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 19:38:13,613 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_3_4.i [2019-08-14 19:38:13,620 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afabf8391/a954349e73934ea5aea00625a85115c1/FLAGbe75c3abf [2019-08-14 19:38:13,977 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afabf8391/a954349e73934ea5aea00625a85115c1 [2019-08-14 19:38:13,990 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 19:38:13,992 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 19:38:13,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 19:38:13,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 19:38:13,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 19:38:13,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 07:38:13" (1/1) ... [2019-08-14 19:38:14,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@368dd058 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:13, skipping insertion in model container [2019-08-14 19:38:14,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 07:38:13" (1/1) ... [2019-08-14 19:38:14,010 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 19:38:14,034 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 19:38:14,282 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 19:38:14,287 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 19:38:14,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 19:38:14,345 INFO L192 MainTranslator]: Completed translation [2019-08-14 19:38:14,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:14 WrapperNode [2019-08-14 19:38:14,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 19:38:14,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 19:38:14,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 19:38:14,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 19:38:14,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:14" (1/1) ... [2019-08-14 19:38:14,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:14" (1/1) ... [2019-08-14 19:38:14,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:14" (1/1) ... [2019-08-14 19:38:14,459 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:14" (1/1) ... [2019-08-14 19:38:14,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:14" (1/1) ... [2019-08-14 19:38:14,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:14" (1/1) ... [2019-08-14 19:38:14,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:14" (1/1) ... [2019-08-14 19:38:14,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 19:38:14,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 19:38:14,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 19:38:14,483 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 19:38:14,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:14" (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 [2019-08-14 19:38:14,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 19:38:14,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 19:38:14,540 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-14 19:38:14,540 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2019-08-14 19:38:14,540 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 19:38:14,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 19:38:14,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-14 19:38:14,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-14 19:38:14,541 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-14 19:38:14,541 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2019-08-14 19:38:14,541 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 19:38:14,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 19:38:14,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 19:38:14,704 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 19:38:14,705 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-14 19:38:14,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 07:38:14 BoogieIcfgContainer [2019-08-14 19:38:14,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 19:38:14,707 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 19:38:14,707 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 19:38:14,707 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 19:38:14,708 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 07:38:14" (1/1) ... [2019-08-14 19:38:14,868 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 19:38:14,871 INFO L168 Benchmark]: Toolchain (without parser) took 877.60 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 86.1 MB in the beginning and 158.6 MB in the end (delta: -72.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-14 19:38:14,872 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 131.6 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 19:38:14,873 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.69 ms. Allocated memory is still 131.6 MB. Free memory was 85.6 MB in the beginning and 75.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-08-14 19:38:14,875 INFO L168 Benchmark]: Boogie Preprocessor took 134.88 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 75.4 MB in the beginning and 175.2 MB in the end (delta: -99.8 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-08-14 19:38:14,875 INFO L168 Benchmark]: RCFGBuilder took 223.80 ms. Allocated memory is still 198.7 MB. Free memory was 175.2 MB in the beginning and 163.5 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-08-14 19:38:14,876 INFO L168 Benchmark]: Symbolic Interpretation took 161.01 ms. Allocated memory is still 198.7 MB. Free memory was 163.5 MB in the beginning and 158.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-08-14 19:38:14,881 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 29#true. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 131.6 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 353.69 ms. Allocated memory is still 131.6 MB. Free memory was 85.6 MB in the beginning and 75.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 134.88 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 75.4 MB in the beginning and 175.2 MB in the end (delta: -99.8 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 223.80 ms. Allocated memory is still 198.7 MB. Free memory was 175.2 MB in the beginning and 163.5 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 161.01 ms. Allocated memory is still 198.7 MB. Free memory was 163.5 MB in the beginning and 158.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...