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/floats-cbmc-regression/float-no-simp7.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 19:38:37,158 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 19:38:37,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 19:38:37,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 19:38:37,172 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 19:38:37,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 19:38:37,174 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 19:38:37,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 19:38:37,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 19:38:37,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 19:38:37,179 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 19:38:37,180 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 19:38:37,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 19:38:37,182 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 19:38:37,183 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 19:38:37,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 19:38:37,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 19:38:37,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 19:38:37,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 19:38:37,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 19:38:37,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 19:38:37,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 19:38:37,193 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 19:38:37,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 19:38:37,196 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 19:38:37,199 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 19:38:37,200 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 19:38:37,201 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 19:38:37,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 19:38:37,202 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 19:38:37,203 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 19:38:37,203 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 19:38:37,203 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 19:38:37,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 19:38:37,204 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 19:38:37,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 19:38:37,206 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 19:38:37,220 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 19:38:37,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 19:38:37,222 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 19:38:37,222 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 19:38:37,222 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 19:38:37,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 19:38:37,223 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 19:38:37,223 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 19:38:37,223 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 19:38:37,223 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 19:38:37,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 19:38:37,224 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 19:38:37,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 19:38:37,224 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 19:38:37,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 19:38:37,224 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 19:38:37,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 19:38:37,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 19:38:37,225 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 19:38:37,225 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 19:38:37,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 19:38:37,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 19:38:37,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 19:38:37,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 19:38:37,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 19:38:37,226 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 19:38:37,227 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 19:38:37,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 19:38:37,227 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 19:38:37,269 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 19:38:37,283 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 19:38:37,286 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 19:38:37,288 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 19:38:37,288 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 19:38:37,289 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp7.c [2019-08-14 19:38:37,350 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25a2ad844/a03e4a39603d455cb7114eac38b4d05a/FLAG83631d21f [2019-08-14 19:38:37,768 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 19:38:37,769 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp7.c [2019-08-14 19:38:37,775 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25a2ad844/a03e4a39603d455cb7114eac38b4d05a/FLAG83631d21f [2019-08-14 19:38:38,159 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25a2ad844/a03e4a39603d455cb7114eac38b4d05a [2019-08-14 19:38:38,168 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 19:38:38,170 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 19:38:38,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 19:38:38,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 19:38:38,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 19:38:38,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 07:38:38" (1/1) ... [2019-08-14 19:38:38,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13bea121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:38, skipping insertion in model container [2019-08-14 19:38:38,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 07:38:38" (1/1) ... [2019-08-14 19:38:38,186 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 19:38:38,201 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 19:38:38,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 19:38:38,366 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 19:38:38,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 19:38:38,415 INFO L192 MainTranslator]: Completed translation [2019-08-14 19:38:38,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:38 WrapperNode [2019-08-14 19:38:38,416 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 19:38:38,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 19:38:38,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 19:38:38,417 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 19:38:38,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:38" (1/1) ... [2019-08-14 19:38:38,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:38" (1/1) ... [2019-08-14 19:38:38,522 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:38" (1/1) ... [2019-08-14 19:38:38,522 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:38" (1/1) ... [2019-08-14 19:38:38,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:38" (1/1) ... [2019-08-14 19:38:38,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:38" (1/1) ... [2019-08-14 19:38:38,530 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:38" (1/1) ... [2019-08-14 19:38:38,531 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 19:38:38,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 19:38:38,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 19:38:38,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 19:38:38,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:38" (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 19:38:38,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 19:38:38,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 19:38:38,580 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 19:38:38,580 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 19:38:38,581 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 19:38:38,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 19:38:38,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 19:38:38,711 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 19:38:38,711 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-14 19:38:38,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 07:38:38 BoogieIcfgContainer [2019-08-14 19:38:38,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 19:38:38,714 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 19:38:38,714 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 19:38:38,714 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 19:38:38,715 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 07:38:38" (1/1) ... [2019-08-14 19:38:38,802 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 19:38:38,805 INFO L168 Benchmark]: Toolchain (without parser) took 633.84 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 87.6 MB in the beginning and 161.7 MB in the end (delta: -74.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-14 19:38:38,806 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 139.5 MB. Free memory is still 105.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-14 19:38:38,807 INFO L168 Benchmark]: CACSL2BoogieTranslator took 245.80 ms. Allocated memory is still 139.5 MB. Free memory was 87.2 MB in the beginning and 77.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-14 19:38:38,808 INFO L168 Benchmark]: Boogie Preprocessor took 113.79 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 77.5 MB in the beginning and 176.2 MB in the end (delta: -98.8 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-08-14 19:38:38,809 INFO L168 Benchmark]: RCFGBuilder took 181.97 ms. Allocated memory is still 198.7 MB. Free memory was 176.2 MB in the beginning and 166.1 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-08-14 19:38:38,810 INFO L168 Benchmark]: Symbolic Interpretation took 88.57 ms. Allocated memory is still 198.7 MB. Free memory was 166.1 MB in the beginning and 161.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-08-14 19:38:38,814 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 10]: 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 12#(and (= |main_#in~argc| main_~argc) (= |main_#in~argv.offset| main_~argv.offset) (= |main_#in~argv.base| main_~argv.base) (= (/ 13567505.0 21267647932558653966460912964485513216.0) main_~f~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 139.5 MB. Free memory is still 105.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 245.80 ms. Allocated memory is still 139.5 MB. Free memory was 87.2 MB in the beginning and 77.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.79 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 77.5 MB in the beginning and 176.2 MB in the end (delta: -98.8 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 181.97 ms. Allocated memory is still 198.7 MB. Free memory was 176.2 MB in the beginning and 166.1 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 88.57 ms. Allocated memory is still 198.7 MB. Free memory was 166.1 MB in the beginning and 161.7 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...