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/float-newlib/float_req_bl_1091.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 20:07:13,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 20:07:13,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 20:07:13,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 20:07:13,343 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 20:07:13,344 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 20:07:13,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 20:07:13,347 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 20:07:13,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 20:07:13,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 20:07:13,350 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 20:07:13,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 20:07:13,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 20:07:13,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 20:07:13,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 20:07:13,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 20:07:13,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 20:07:13,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 20:07:13,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 20:07:13,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 20:07:13,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 20:07:13,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 20:07:13,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 20:07:13,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 20:07:13,365 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 20:07:13,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 20:07:13,366 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 20:07:13,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 20:07:13,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 20:07:13,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 20:07:13,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 20:07:13,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 20:07:13,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 20:07:13,370 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 20:07:13,371 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 20:07:13,371 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 20:07:13,372 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 20:07:13,372 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 20:07:13,372 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 20:07:13,373 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 20:07:13,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 20:07:13,376 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 20:07:13,404 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 20:07:13,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 20:07:13,407 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 20:07:13,408 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 20:07:13,408 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 20:07:13,408 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 20:07:13,408 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 20:07:13,408 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 20:07:13,409 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 20:07:13,409 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 20:07:13,409 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 20:07:13,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 20:07:13,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 20:07:13,412 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 20:07:13,412 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 20:07:13,412 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 20:07:13,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 20:07:13,413 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 20:07:13,413 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 20:07:13,413 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 20:07:13,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 20:07:13,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 20:07:13,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 20:07:13,417 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 20:07:13,417 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 20:07:13,418 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 20:07:13,418 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 20:07:13,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 20:07:13,418 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 20:07:13,448 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 20:07:13,460 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 20:07:13,463 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 20:07:13,465 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 20:07:13,465 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 20:07:13,466 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1091.c [2019-08-14 20:07:13,524 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb6789964/23d97c194252497cac4c6f8c93e05f81/FLAG4e1c1ea4c [2019-08-14 20:07:13,957 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 20:07:13,957 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1091.c [2019-08-14 20:07:13,964 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb6789964/23d97c194252497cac4c6f8c93e05f81/FLAG4e1c1ea4c [2019-08-14 20:07:14,325 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb6789964/23d97c194252497cac4c6f8c93e05f81 [2019-08-14 20:07:14,334 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 20:07:14,336 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 20:07:14,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 20:07:14,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 20:07:14,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 20:07:14,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:07:14" (1/1) ... [2019-08-14 20:07:14,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6208adeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:14, skipping insertion in model container [2019-08-14 20:07:14,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:07:14" (1/1) ... [2019-08-14 20:07:14,352 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 20:07:14,370 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 20:07:14,581 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:07:14,585 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 20:07:14,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:07:14,632 INFO L192 MainTranslator]: Completed translation [2019-08-14 20:07:14,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:14 WrapperNode [2019-08-14 20:07:14,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 20:07:14,633 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 20:07:14,633 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 20:07:14,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 20:07:14,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:14" (1/1) ... [2019-08-14 20:07:14,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:14" (1/1) ... [2019-08-14 20:07:14,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:14" (1/1) ... [2019-08-14 20:07:14,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:14" (1/1) ... [2019-08-14 20:07:14,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:14" (1/1) ... [2019-08-14 20:07:14,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:14" (1/1) ... [2019-08-14 20:07:14,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:14" (1/1) ... [2019-08-14 20:07:14,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 20:07:14,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 20:07:14,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 20:07:14,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 20:07:14,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:14" (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 20:07:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 20:07:14,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 20:07:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ceil_float [2019-08-14 20:07:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2019-08-14 20:07:14,813 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 20:07:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 20:07:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure ceil_float [2019-08-14 20:07:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-14 20:07:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-14 20:07:14,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-14 20:07:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-14 20:07:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-14 20:07:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-14 20:07:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2019-08-14 20:07:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 20:07:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 20:07:14,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 20:07:15,117 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 20:07:15,117 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-14 20:07:15,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:07:15 BoogieIcfgContainer [2019-08-14 20:07:15,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 20:07:15,119 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 20:07:15,119 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 20:07:15,120 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 20:07:15,121 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:07:15" (1/1) ... [2019-08-14 20:07:15,510 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-08-14 20:07:15,670 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-08-14 20:07:16,877 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 20:07:16,879 INFO L168 Benchmark]: Toolchain (without parser) took 2543.55 ms. Allocated memory was 131.1 MB in the beginning and 219.2 MB in the end (delta: 88.1 MB). Free memory was 84.9 MB in the beginning and 103.0 MB in the end (delta: -18.0 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. [2019-08-14 20:07:16,880 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 131.1 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 20:07:16,881 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.10 ms. Allocated memory is still 131.1 MB. Free memory was 84.7 MB in the beginning and 73.9 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2019-08-14 20:07:16,882 INFO L168 Benchmark]: Boogie Preprocessor took 132.99 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 73.9 MB in the beginning and 174.0 MB in the end (delta: -100.0 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-08-14 20:07:16,883 INFO L168 Benchmark]: RCFGBuilder took 352.12 ms. Allocated memory is still 198.7 MB. Free memory was 174.0 MB in the beginning and 156.2 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 7.1 GB. [2019-08-14 20:07:16,884 INFO L168 Benchmark]: Symbolic Interpretation took 1758.71 ms. Allocated memory was 198.7 MB in the beginning and 219.2 MB in the end (delta: 20.4 MB). Free memory was 156.2 MB in the beginning and 103.0 MB in the end (delta: 53.2 MB). Peak memory consumption was 87.7 MB. Max. memory is 7.1 GB. [2019-08-14 20:07:16,887 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 72]: 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 149#(and (= 0 |#NULL.base|) (= ~huge_ceil~0 1000000000000000000000000000000.0) (= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 131.1 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 296.10 ms. Allocated memory is still 131.1 MB. Free memory was 84.7 MB in the beginning and 73.9 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.99 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 73.9 MB in the beginning and 174.0 MB in the end (delta: -100.0 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 352.12 ms. Allocated memory is still 198.7 MB. Free memory was 174.0 MB in the beginning and 156.2 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1758.71 ms. Allocated memory was 198.7 MB in the beginning and 219.2 MB in the end (delta: 20.4 MB). Free memory was 156.2 MB in the beginning and 103.0 MB in the end (delta: 53.2 MB). Peak memory consumption was 87.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...