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-cbmc-regression/float12.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:03:00,443 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:03:00,445 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:03:00,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-11 16:03:00,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:03:00,467 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:03:00,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:03:00,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:03:00,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:03:00,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:03:00,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:03:00,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:03:00,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:03:00,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:03:00,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:03:00,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:03:00,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 16:03:00,483 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 16:03:00,484 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 16:03:00,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 16:03:00,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 16:03:00,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 16:03:00,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 16:03:00,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 16:03:00,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 16:03:00,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:03:00,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:03:00,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:03:00,490 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 16:03:00,513 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:03:00,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:03:00,514 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:03:00,514 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:03:00,515 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:03:00,515 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:03:00,515 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:03:00,515 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:03:00,515 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:03:00,516 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:03:00,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:03:00,517 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:03:00,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:03:00,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:03:00,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:03:00,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:03:00,518 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:03:00,518 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:03:00,518 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:03:00,518 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:03:00,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:03:00,519 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:03:00,519 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:03:00,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:03:00,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:03:00,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:03:00,520 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:03:00,520 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:03:00,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:03:00,520 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:03:00,548 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:03:00,560 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:03:00,563 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:03:00,565 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:03:00,565 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:03:00,566 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float12.c [2019-09-11 16:03:00,624 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a014d4c3/c1fbc3c58ce044f6b541ad3a42536828/FLAGfe8442df2 [2019-09-11 16:03:01,073 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:03:01,073 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float12.c [2019-09-11 16:03:01,079 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a014d4c3/c1fbc3c58ce044f6b541ad3a42536828/FLAGfe8442df2 [2019-09-11 16:03:01,467 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a014d4c3/c1fbc3c58ce044f6b541ad3a42536828 [2019-09-11 16:03:01,477 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:03:01,479 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:03:01,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:03:01,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:03:01,483 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:03:01,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:03:01" (1/1) ... [2019-09-11 16:03:01,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aa7566e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:03:01, skipping insertion in model container [2019-09-11 16:03:01,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:03:01" (1/1) ... [2019-09-11 16:03:01,495 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:03:01,511 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:03:01,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:03:01,695 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:03:01,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:03:01,731 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:03:01,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:03:01 WrapperNode [2019-09-11 16:03:01,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:03:01,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:03:01,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:03:01,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:03:01,745 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:03:01" (1/1) ... [2019-09-11 16:03:01,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:03:01" (1/1) ... [2019-09-11 16:03:01,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:03:01" (1/1) ... [2019-09-11 16:03:01,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:03:01" (1/1) ... [2019-09-11 16:03:01,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:03:01" (1/1) ... [2019-09-11 16:03:01,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:03:01" (1/1) ... [2019-09-11 16:03:01,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:03:01" (1/1) ... [2019-09-11 16:03:01,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:03:01,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:03:01,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:03:01,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:03:01,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:03:01" (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 16:03:01,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:03:01,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:03:01,909 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:03:01,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:03:01,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-11 16:03:01,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-11 16:03:01,910 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:03:01,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:03:01,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:03:02,024 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:03:02,025 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 16:03:02,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:03:02 BoogieIcfgContainer [2019-09-11 16:03:02,026 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:03:02,027 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:03:02,027 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:03:02,027 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:03:02,028 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:03:02" (1/1) ... [2019-09-11 16:03:02,054 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:03:02,115 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator COMPLT has no precise implementation. [2019-09-11 16:03:02,116 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator COMPGT has no precise implementation. [2019-09-11 16:03:02,125 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 16:03:02,142 INFO L272 AbstractInterpreter]: Visited 14 different actions 14 times. Never merged. Never widened. Performed 8 root evaluator evaluations with a maximum evaluation depth of 2. Performed 8 inverse root evaluator evaluations with a maximum inverse evaluation depth of 2. Found 1 fixpoints after 1 different actions. Largest state had 6 variables. [2019-09-11 16:03:02,143 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:03:02,146 INFO L168 Benchmark]: Toolchain (without parser) took 666.00 ms. Allocated memory was 142.6 MB in the beginning and 201.3 MB in the end (delta: 58.7 MB). Free memory was 90.3 MB in the beginning and 163.7 MB in the end (delta: -73.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-11 16:03:02,147 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 142.6 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:03:02,148 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.31 ms. Allocated memory is still 142.6 MB. Free memory was 90.1 MB in the beginning and 81.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-09-11 16:03:02,150 INFO L168 Benchmark]: Boogie Preprocessor took 112.39 ms. Allocated memory was 142.6 MB in the beginning and 201.3 MB in the end (delta: 58.7 MB). Free memory was 81.0 MB in the beginning and 179.4 MB in the end (delta: -98.4 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-09-11 16:03:02,151 INFO L168 Benchmark]: RCFGBuilder took 180.94 ms. Allocated memory is still 201.3 MB. Free memory was 179.4 MB in the beginning and 170.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-11 16:03:02,152 INFO L168 Benchmark]: Abstract Interpretation took 116.26 ms. Allocated memory is still 201.3 MB. Free memory was 170.2 MB in the beginning and 163.7 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. [2019-09-11 16:03:02,156 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 142.6 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 252.31 ms. Allocated memory is still 142.6 MB. Free memory was 90.1 MB in the beginning and 81.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.39 ms. Allocated memory was 142.6 MB in the beginning and 201.3 MB in the end (delta: 58.7 MB). Free memory was 81.0 MB in the beginning and 179.4 MB in the end (delta: -98.4 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 180.94 ms. Allocated memory is still 201.3 MB. Free memory was 179.4 MB in the beginning and 170.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 116.26 ms. Allocated memory is still 201.3 MB. Free memory was 170.2 MB in the beginning and 163.7 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 13]: 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 f = __VERIFIER_nondet_float(); [L7] double d; [L8] unsigned char x = __VERIFIER_nondet_uchar(); [L10] d=f [L12] COND TRUE f==x [L13] COND TRUE !(d==x) [L13] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...