java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/floats-cdfpl/newton_1_2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:01:46,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:01:46,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:01:46,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 16:01:46,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 16:01:46,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 16:01:46,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 16:01:46,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 16:01:46,948 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 16:01:46,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 16:01:46,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 16:01:46,951 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 16:01:46,952 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:01:46,953 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:01:46,954 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:01:46,955 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:01:46,956 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:01:46,957 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:01:46,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:01:46,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:01:46,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:01:46,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:01:46,964 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:01:46,965 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:01:46,967 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 16:01:46,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 16:01:46,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 16:01:46,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 16:01:46,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 16:01:46,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 16:01:46,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 16:01:46,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 16:01:46,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 16:01:46,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:01:46,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:01:46,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:01:46,978 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-11 16:01:46,993 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:01:46,993 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:01:46,993 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:01:46,994 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:01:46,994 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:01:46,995 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:01:46,995 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:01:46,995 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:01:46,995 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:01:46,995 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:01:46,996 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:01:46,996 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:01:46,997 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:01:46,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:01:46,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:01:46,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:01:46,997 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:01:46,998 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:01:46,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:01:46,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:01:46,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:01:46,999 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:01:46,999 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:01:46,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:01:46,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:01:47,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:01:47,000 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:01:47,000 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:01:47,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:01:47,000 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:01:47,030 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:01:47,045 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:01:47,049 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:01:47,050 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:01:47,051 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:01:47,051 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_1_2.i [2019-09-11 16:01:47,117 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7acd9ca6/7ad6edf3375e4e06ad3827fb5ccbd389/FLAG7cb5e86ba [2019-09-11 16:01:47,532 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:01:47,533 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_1_2.i [2019-09-11 16:01:47,540 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7acd9ca6/7ad6edf3375e4e06ad3827fb5ccbd389/FLAG7cb5e86ba [2019-09-11 16:01:47,967 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7acd9ca6/7ad6edf3375e4e06ad3827fb5ccbd389 [2019-09-11 16:01:47,978 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:01:47,979 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:01:47,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:01:47,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:01:47,985 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:01:47,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:01:47" (1/1) ... [2019-09-11 16:01:47,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31c77ce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:01:47, skipping insertion in model container [2019-09-11 16:01:47,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:01:47" (1/1) ... [2019-09-11 16:01:47,998 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:01:48,016 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:01:48,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:01:48,221 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:01:48,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:01:48,345 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:01:48,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:01:48 WrapperNode [2019-09-11 16:01:48,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:01:48,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:01:48,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:01:48,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:01:48,362 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:01:48" (1/1) ... [2019-09-11 16:01:48,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:01:48" (1/1) ... [2019-09-11 16:01:48,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:01:48" (1/1) ... [2019-09-11 16:01:48,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:01:48" (1/1) ... [2019-09-11 16:01:48,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:01:48" (1/1) ... [2019-09-11 16:01:48,379 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:01:48" (1/1) ... [2019-09-11 16:01:48,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:01:48" (1/1) ... [2019-09-11 16:01:48,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:01:48,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:01:48,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:01:48,382 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:01:48,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:01:48" (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 [2019-09-11 16:01:48,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:01:48,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:01:48,444 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-09-11 16:01:48,444 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2019-09-11 16:01:48,444 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:01:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:01:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 16:01:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-11 16:01:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-09-11 16:01:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2019-09-11 16:01:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:01:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:01:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:01:48,627 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:01:48,627 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 16:01:48,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:01:48 BoogieIcfgContainer [2019-09-11 16:01:48,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:01:48,629 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:01:48,630 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:01:48,630 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:01:48,631 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:01:48" (1/1) ... [2019-09-11 16:01:48,660 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:01:48,789 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator COMPLT has no precise implementation. [2019-09-11 16:01:48,793 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator COMPGT has no precise implementation. [2019-09-11 16:01:48,840 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 16:01:48,861 INFO L272 AbstractInterpreter]: Visited 22 different actions 22 times. Never merged. Never widened. Performed 13 root evaluator evaluations with a maximum evaluation depth of 8. Performed 13 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Never found a fixpoint. Largest state had 6 variables. [2019-09-11 16:01:48,862 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:01:48,865 INFO L168 Benchmark]: Toolchain (without parser) took 884.62 ms. Allocated memory was 141.0 MB in the beginning and 205.0 MB in the end (delta: 64.0 MB). Free memory was 97.6 MB in the beginning and 162.5 MB in the end (delta: -64.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-11 16:01:48,866 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 141.0 MB. Free memory was 115.6 MB in the beginning and 115.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:01:48,868 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.73 ms. Allocated memory was 141.0 MB in the beginning and 205.0 MB in the end (delta: 64.0 MB). Free memory was 97.4 MB in the beginning and 182.8 MB in the end (delta: -85.4 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2019-09-11 16:01:48,869 INFO L168 Benchmark]: Boogie Preprocessor took 35.13 ms. Allocated memory is still 205.0 MB. Free memory was 182.8 MB in the beginning and 180.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-11 16:01:48,870 INFO L168 Benchmark]: RCFGBuilder took 246.67 ms. Allocated memory is still 205.0 MB. Free memory was 180.9 MB in the beginning and 170.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-09-11 16:01:48,871 INFO L168 Benchmark]: Abstract Interpretation took 232.63 ms. Allocated memory is still 205.0 MB. Free memory was 170.4 MB in the beginning and 162.5 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 7.1 GB. [2019-09-11 16:01:48,875 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 141.0 MB. Free memory was 115.6 MB in the beginning and 115.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 365.73 ms. Allocated memory was 141.0 MB in the beginning and 205.0 MB in the end (delta: 64.0 MB). Free memory was 97.4 MB in the beginning and 182.8 MB in the end (delta: -85.4 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 35.13 ms. Allocated memory is still 205.0 MB. Free memory was 182.8 MB in the beginning and 180.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 246.67 ms. Allocated memory is still 205.0 MB. Free memory was 180.9 MB in the beginning and 170.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 232.63 ms. Allocated memory is still 205.0 MB. Free memory was 170.4 MB in the beginning and 162.5 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 28]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L19] CALL, EXPR f(IN) [L6] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L19] RET, EXPR f(IN) [L19] CALL, EXPR fp(IN) [L11] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L19] RET, EXPR fp(IN) [L19] float x = IN - f(IN)/fp(IN); [L27] COND TRUE !(x < 0.1) [L28] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...