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-simp3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 06:17:22,767 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 06:17:22,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 06:17:22,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 06:17:22,783 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 06:17:22,784 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 06:17:22,785 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 06:17:22,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 06:17:22,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 06:17:22,789 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 06:17:22,790 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 06:17:22,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 06:17:22,792 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 06:17:22,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 06:17:22,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 06:17:22,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 06:17:22,796 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 06:17:22,797 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 06:17:22,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 06:17:22,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 06:17:22,802 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 06:17:22,803 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 06:17:22,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 06:17:22,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 06:17:22,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 06:17:22,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 06:17:22,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 06:17:22,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 06:17:22,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 06:17:22,814 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 06:17:22,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 06:17:22,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 06:17:22,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 06:17:22,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 06:17:22,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 06:17:22,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 06:17:22,817 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 [2019-08-18 06:17:22,832 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 06:17:22,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 06:17:22,833 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 06:17:22,834 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 06:17:22,834 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 06:17:22,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 06:17:22,834 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 06:17:22,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 06:17:22,835 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 06:17:22,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 06:17:22,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 06:17:22,835 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 06:17:22,835 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 06:17:22,836 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 06:17:22,836 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 06:17:22,836 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 06:17:22,836 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 06:17:22,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 06:17:22,837 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 06:17:22,837 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 06:17:22,837 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 06:17:22,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:17:22,838 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 06:17:22,838 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 06:17:22,838 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 06:17:22,838 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 06:17:22,838 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 06:17:22,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 06:17:22,839 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 06:17:22,870 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 06:17:22,887 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 06:17:22,892 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 06:17:22,895 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 06:17:22,895 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 06:17:22,896 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp3.c [2019-08-18 06:17:22,966 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f3c629ab/25d8f2a2f52f467ba8e82d1f39f75731/FLAG617f1bd84 [2019-08-18 06:17:23,425 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 06:17:23,428 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp3.c [2019-08-18 06:17:23,435 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f3c629ab/25d8f2a2f52f467ba8e82d1f39f75731/FLAG617f1bd84 [2019-08-18 06:17:23,792 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f3c629ab/25d8f2a2f52f467ba8e82d1f39f75731 [2019-08-18 06:17:23,803 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 06:17:23,805 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 06:17:23,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 06:17:23,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 06:17:23,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 06:17:23,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:17:23" (1/1) ... [2019-08-18 06:17:23,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d2f91ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:23, skipping insertion in model container [2019-08-18 06:17:23,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:17:23" (1/1) ... [2019-08-18 06:17:23,823 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 06:17:23,840 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 06:17:24,055 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:17:24,060 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 06:17:24,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:17:24,091 INFO L192 MainTranslator]: Completed translation [2019-08-18 06:17:24,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:24 WrapperNode [2019-08-18 06:17:24,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 06:17:24,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 06:17:24,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 06:17:24,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 06:17:24,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:24" (1/1) ... [2019-08-18 06:17:24,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:24" (1/1) ... [2019-08-18 06:17:24,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:24" (1/1) ... [2019-08-18 06:17:24,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:24" (1/1) ... [2019-08-18 06:17:24,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:24" (1/1) ... [2019-08-18 06:17:24,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:24" (1/1) ... [2019-08-18 06:17:24,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:24" (1/1) ... [2019-08-18 06:17:24,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 06:17:24,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 06:17:24,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 06:17:24,226 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 06:17:24,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:17:24" (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 [2019-08-18 06:17:24,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 06:17:24,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 06:17:24,273 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 06:17:24,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 06:17:24,274 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 06:17:24,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 06:17:24,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 06:17:24,386 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 06:17:24,387 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-18 06:17:24,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:17:24 BoogieIcfgContainer [2019-08-18 06:17:24,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 06:17:24,388 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 06:17:24,389 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 06:17:24,389 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 06:17:24,390 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:17:24" (1/1) ... [2019-08-18 06:17:24,401 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 06:17:24,404 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 06:17:24,411 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 06:17:24,419 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 06:17:24,421 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 06:17:24,460 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-18 06:17:24,477 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 06:17:24,478 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 06:17:24,480 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 12#true [2019-08-18 06:17:24,492 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 06:17:24,492 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 06:17:24,495 INFO L168 Benchmark]: Toolchain (without parser) took 689.07 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 86.4 MB in the beginning and 162.0 MB in the end (delta: -75.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-18 06:17:24,497 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 06:17:24,498 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.55 ms. Allocated memory is still 138.4 MB. Free memory was 86.2 MB in the beginning and 76.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-18 06:17:24,499 INFO L168 Benchmark]: Boogie Preprocessor took 132.14 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 76.8 MB in the beginning and 175.9 MB in the end (delta: -99.1 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-08-18 06:17:24,500 INFO L168 Benchmark]: RCFGBuilder took 162.61 ms. Allocated memory is still 198.7 MB. Free memory was 175.9 MB in the beginning and 167.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. [2019-08-18 06:17:24,502 INFO L168 Benchmark]: Symbolic Interpretation took 103.71 ms. Allocated memory is still 198.7 MB. Free memory was 167.6 MB in the beginning and 162.0 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-08-18 06:17:24,511 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 8]: 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#true. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 286.55 ms. Allocated memory is still 138.4 MB. Free memory was 86.2 MB in the beginning and 76.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.14 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 76.8 MB in the beginning and 175.9 MB in the end (delta: -99.1 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 162.61 ms. Allocated memory is still 198.7 MB. Free memory was 175.9 MB in the beginning and 167.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 103.71 ms. Allocated memory is still 198.7 MB. Free memory was 167.6 MB in the beginning and 162.0 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...