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/float-benchs/zonotope_2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:04:41,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:04:41,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:04:41,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 16:04:41,433 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 16:04:41,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 16:04:41,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 16:04:41,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 16:04:41,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 16:04:41,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 16:04:41,440 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 16:04:41,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 16:04:41,442 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:04:41,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:04:41,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:04:41,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:04:41,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:04:41,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:04:41,449 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:04:41,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:04:41,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:04:41,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:04:41,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:04:41,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:04:41,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 16:04:41,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 16:04:41,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 16:04:41,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 16:04:41,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 16:04:41,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 16:04:41,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 16:04:41,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 16:04:41,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 16:04:41,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:04:41,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:04:41,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:04:41,469 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 16:04:41,484 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:04:41,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:04:41,484 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:04:41,485 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:04:41,485 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:04:41,485 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:04:41,486 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:04:41,486 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:04:41,486 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:04:41,486 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:04:41,487 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:04:41,487 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:04:41,487 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:04:41,488 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:04:41,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:04:41,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:04:41,488 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:04:41,488 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:04:41,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:04:41,489 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:04:41,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:04:41,489 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:04:41,489 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:04:41,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:04:41,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:04:41,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:04:41,490 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:04:41,490 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:04:41,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:04:41,491 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:04:41,519 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:04:41,532 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:04:41,535 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:04:41,537 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:04:41,537 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:04:41,539 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/zonotope_2.c [2019-09-11 16:04:41,614 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/570fbbc85/013ea9c7e9974897a8e823ffd548340b/FLAG840099d52 [2019-09-11 16:04:42,092 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:04:42,092 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/zonotope_2.c [2019-09-11 16:04:42,099 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/570fbbc85/013ea9c7e9974897a8e823ffd548340b/FLAG840099d52 [2019-09-11 16:04:42,445 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/570fbbc85/013ea9c7e9974897a8e823ffd548340b [2019-09-11 16:04:42,456 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:04:42,457 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:04:42,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:04:42,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:04:42,462 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:04:42,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:04:42" (1/1) ... [2019-09-11 16:04:42,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6072a93d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:42, skipping insertion in model container [2019-09-11 16:04:42,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:04:42" (1/1) ... [2019-09-11 16:04:42,474 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:04:42,491 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:04:42,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:04:42,665 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:04:42,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:04:42,695 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:04:42,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:42 WrapperNode [2019-09-11 16:04:42,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:04:42,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:04:42,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:04:42,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:04:42,803 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:42" (1/1) ... [2019-09-11 16:04:42,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:42" (1/1) ... [2019-09-11 16:04:42,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:42" (1/1) ... [2019-09-11 16:04:42,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:42" (1/1) ... [2019-09-11 16:04:42,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:42" (1/1) ... [2019-09-11 16:04:42,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:42" (1/1) ... [2019-09-11 16:04:42,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:42" (1/1) ... [2019-09-11 16:04:42,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:04:42,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:04:42,819 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:04:42,819 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:04:42,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:42" (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 16:04:42,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:04:42,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:04:42,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-11 16:04:42,881 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:04:42,881 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:04:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-11 16:04:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:04:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:04:42,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:04:43,059 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:04:43,060 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-11 16:04:43,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:04:43 BoogieIcfgContainer [2019-09-11 16:04:43,062 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:04:43,062 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:04:43,063 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:04:43,063 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:04:43,064 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:04:43" (1/1) ... [2019-09-11 16:04:43,100 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:04:43,237 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator COMPLT has no precise implementation. [2019-09-11 16:04:43,238 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator COMPGT has no precise implementation. [2019-09-11 16:04:43,499 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 16:04:43,520 INFO L272 AbstractInterpreter]: Visited 25 different actions 197 times. Merged at 4 different actions 32 times. Widened at 1 different actions 4 times. Performed 269 root evaluator evaluations with a maximum evaluation depth of 6. Performed 269 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 7 variables. [2019-09-11 16:04:43,520 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:04:43,523 INFO L168 Benchmark]: Toolchain (without parser) took 1065.00 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 89.9 MB in the beginning and 148.8 MB in the end (delta: -58.9 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-09-11 16:04:43,524 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 138.4 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:04:43,525 INFO L168 Benchmark]: CACSL2BoogieTranslator took 237.71 ms. Allocated memory is still 138.4 MB. Free memory was 89.6 MB in the beginning and 80.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-11 16:04:43,527 INFO L168 Benchmark]: Boogie Preprocessor took 122.64 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 80.2 MB in the beginning and 179.6 MB in the end (delta: -99.4 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2019-09-11 16:04:43,528 INFO L168 Benchmark]: RCFGBuilder took 242.92 ms. Allocated memory is still 202.4 MB. Free memory was 179.6 MB in the beginning and 168.2 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-09-11 16:04:43,529 INFO L168 Benchmark]: Abstract Interpretation took 457.87 ms. Allocated memory is still 202.4 MB. Free memory was 168.2 MB in the beginning and 148.8 MB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 7.1 GB. [2019-09-11 16:04:43,533 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 138.4 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 237.71 ms. Allocated memory is still 138.4 MB. Free memory was 89.6 MB in the beginning and 80.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.64 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 80.2 MB in the beginning and 179.6 MB in the end (delta: -99.4 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 242.92 ms. Allocated memory is still 202.4 MB. Free memory was 179.6 MB in the beginning and 168.2 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 457.87 ms. Allocated memory is still 202.4 MB. Free memory was 168.2 MB in the beginning and 148.8 MB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 8]: 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: [L12] float x = 12.f; [L13] float x1 = 12.f; [L14] float y = 16.f; [L15] float y1 = 16.f; [L16] int i; [L17] i = 0 [L17] COND TRUE i < 100000 [L18] x = x1 [L19] y = y1 [L20] x1 = 3.f * x / 4.f + y / 4.f [L21] y1 = x / 4.f + 3.f * y / 4.f [L23] CALL __VERIFIER_assert(x1 >= 0.f && x1 <= 100.f) [L8] COND TRUE !(cond) [L8] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...