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/square_7.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:02:41,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:02:41,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:02:41,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 16:02:41,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 16:02:41,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 16:02:41,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 16:02:41,280 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 16:02:41,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 16:02:41,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 16:02:41,284 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 16:02:41,285 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 16:02:41,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:02:41,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:02:41,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:02:41,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:02:41,289 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:02:41,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:02:41,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:02:41,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:02:41,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:02:41,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:02:41,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:02:41,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:02:41,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 16:02:41,304 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 16:02:41,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 16:02:41,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 16:02:41,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 16:02:41,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 16:02:41,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 16:02:41,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 16:02:41,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 16:02:41,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:02:41,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:02:41,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:02:41,311 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 16:02:41,325 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:02:41,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:02:41,326 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:02:41,326 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:02:41,327 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:02:41,327 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:02:41,327 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:02:41,328 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:02:41,328 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:02:41,328 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:02:41,329 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:02:41,329 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:02:41,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:02:41,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:02:41,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:02:41,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:02:41,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:02:41,330 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:02:41,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:02:41,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:02:41,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:02:41,331 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:02:41,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:02:41,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:02:41,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:02:41,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:02:41,332 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:02:41,332 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:02:41,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:02:41,333 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:02:41,361 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:02:41,373 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:02:41,376 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:02:41,378 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:02:41,378 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:02:41,379 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/square_7.i [2019-09-11 16:02:41,441 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e0d24fa5/275302159c434dbbb893eed038bc549c/FLAG12c86faf0 [2019-09-11 16:02:41,861 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:02:41,862 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/square_7.i [2019-09-11 16:02:41,868 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e0d24fa5/275302159c434dbbb893eed038bc549c/FLAG12c86faf0 [2019-09-11 16:02:42,235 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e0d24fa5/275302159c434dbbb893eed038bc549c [2019-09-11 16:02:42,243 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:02:42,245 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:02:42,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:02:42,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:02:42,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:02:42,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:02:42" (1/1) ... [2019-09-11 16:02:42,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b290a63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:42, skipping insertion in model container [2019-09-11 16:02:42,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:02:42" (1/1) ... [2019-09-11 16:02:42,261 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:02:42,276 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:02:42,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:02:42,443 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:02:42,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:02:42,475 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:02:42,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:42 WrapperNode [2019-09-11 16:02:42,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:02:42,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:02:42,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:02:42,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:02:42,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:42" (1/1) ... [2019-09-11 16:02:42,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:42" (1/1) ... [2019-09-11 16:02:42,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:42" (1/1) ... [2019-09-11 16:02:42,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:42" (1/1) ... [2019-09-11 16:02:42,596 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:42" (1/1) ... [2019-09-11 16:02:42,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:42" (1/1) ... [2019-09-11 16:02:42,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:42" (1/1) ... [2019-09-11 16:02:42,605 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:02:42,606 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:02:42,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:02:42,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:02:42,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:02:42" (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 16:02:42,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:02:42,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:02:42,659 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:02:42,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:02:42,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 16:02:42,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-11 16:02:42,659 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:02:42,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:02:42,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:02:42,786 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:02:42,786 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 16:02:42,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:02:42 BoogieIcfgContainer [2019-09-11 16:02:42,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:02:42,788 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:02:42,788 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:02:42,789 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:02:42,789 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:02:42" (1/1) ... [2019-09-11 16:02:42,809 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:02:42,864 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator COMPLT has no precise implementation. [2019-09-11 16:02:42,895 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 16:02:42,913 INFO L272 AbstractInterpreter]: Visited 13 different actions 13 times. Never merged. Never widened. Performed 11 root evaluator evaluations with a maximum evaluation depth of 6. Performed 11 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Never found a fixpoint. Largest state had 5 variables. [2019-09-11 16:02:42,913 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:02:42,916 INFO L168 Benchmark]: Toolchain (without parser) took 669.99 ms. Allocated memory was 135.3 MB in the beginning and 201.9 MB in the end (delta: 66.6 MB). Free memory was 92.0 MB in the beginning and 161.7 MB in the end (delta: -69.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-11 16:02:42,918 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 135.3 MB. Free memory was 109.8 MB in the beginning and 109.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:02:42,919 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.00 ms. Allocated memory is still 135.3 MB. Free memory was 91.8 MB in the beginning and 82.9 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-09-11 16:02:42,920 INFO L168 Benchmark]: Boogie Preprocessor took 129.18 ms. Allocated memory was 135.3 MB in the beginning and 201.9 MB in the end (delta: 66.6 MB). Free memory was 82.7 MB in the beginning and 179.2 MB in the end (delta: -96.6 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-09-11 16:02:42,921 INFO L168 Benchmark]: RCFGBuilder took 181.67 ms. Allocated memory is still 201.9 MB. Free memory was 179.2 MB in the beginning and 168.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-09-11 16:02:42,922 INFO L168 Benchmark]: Abstract Interpretation took 125.18 ms. Allocated memory is still 201.9 MB. Free memory was 168.9 MB in the beginning and 161.7 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB. [2019-09-11 16:02:42,926 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 135.3 MB. Free memory was 109.8 MB in the beginning and 109.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 230.00 ms. Allocated memory is still 135.3 MB. Free memory was 91.8 MB in the beginning and 82.9 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.18 ms. Allocated memory was 135.3 MB in the beginning and 201.9 MB in the end (delta: 66.6 MB). Free memory was 82.7 MB in the beginning and 179.2 MB in the end (delta: -96.6 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 181.67 ms. Allocated memory is still 201.9 MB. Free memory was 179.2 MB in the beginning and 168.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 125.18 ms. Allocated memory is still 201.9 MB. Free memory was 168.9 MB in the beginning and 161.7 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 15]: 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: [L6] float IN = __VERIFIER_nondet_float(); [L9] float x = IN; [L11-L12] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; [L14] COND TRUE !(result >= 0.0f && result < 1.4f) [L15] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...