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-simp1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:23:19,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:23:19,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:23:19,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:23:19,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:23:19,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:23:19,875 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:23:19,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:23:19,879 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:23:19,879 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:23:19,880 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:23:19,882 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:23:19,882 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:23:19,883 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:23:19,884 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:23:19,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:23:19,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:23:19,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:23:19,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:23:19,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:23:19,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:23:19,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:23:19,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:23:19,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:23:19,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 21:23:19,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:23:19,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:23:19,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:23:19,913 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 [2019-08-22 21:23:19,942 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:23:19,943 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:23:19,944 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:23:19,944 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:23:19,944 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:23:19,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:23:19,945 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:23:19,945 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:23:19,946 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:23:19,946 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:23:19,947 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:23:19,947 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:23:19,947 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:23:19,948 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:23:19,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:23:19,948 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:23:19,948 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:23:19,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:23:19,949 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:23:19,949 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:23:19,949 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:23:19,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:23:19,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:23:19,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:23:19,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:23:19,950 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:23:19,950 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:23:19,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:23:19,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:23:19,991 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:23:20,005 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:23:20,010 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:23:20,013 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:23:20,014 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:23:20,014 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp1.c [2019-08-22 21:23:20,076 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2e01b75a/d0d5e95b142248d0a8122638acdf46da/FLAG5307dfd99 [2019-08-22 21:23:20,512 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:23:20,514 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp1.c [2019-08-22 21:23:20,522 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2e01b75a/d0d5e95b142248d0a8122638acdf46da/FLAG5307dfd99 [2019-08-22 21:23:20,916 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2e01b75a/d0d5e95b142248d0a8122638acdf46da [2019-08-22 21:23:20,927 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:23:20,929 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:23:20,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:23:20,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:23:20,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:23:20,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:23:20" (1/1) ... [2019-08-22 21:23:20,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@575f3deb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:20, skipping insertion in model container [2019-08-22 21:23:20,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:23:20" (1/1) ... [2019-08-22 21:23:20,946 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:23:20,962 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:23:21,145 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:23:21,151 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:23:21,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:23:21,182 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:23:21,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:21 WrapperNode [2019-08-22 21:23:21,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:23:21,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:23:21,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:23:21,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:23:21,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:21" (1/1) ... [2019-08-22 21:23:21,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:21" (1/1) ... [2019-08-22 21:23:21,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:21" (1/1) ... [2019-08-22 21:23:21,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:21" (1/1) ... [2019-08-22 21:23:21,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:21" (1/1) ... [2019-08-22 21:23:21,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:21" (1/1) ... [2019-08-22 21:23:21,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:21" (1/1) ... [2019-08-22 21:23:21,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:23:21,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:23:21,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:23:21,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:23:21,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:21" (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 [2019-08-22 21:23:21,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:23:21,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:23:21,357 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:23:21,357 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:23:21,357 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:23:21,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:23:21,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:23:21,495 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:23:21,495 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-22 21:23:21,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:23:21 BoogieIcfgContainer [2019-08-22 21:23:21,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:23:21,497 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:23:21,497 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:23:21,497 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:23:21,498 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:23:21" (1/1) ... [2019-08-22 21:23:21,512 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 21:23:21,515 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:23:21,522 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:23:21,528 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:23:21,530 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:23:21,579 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-22 21:23:21,586 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 21:23:21,586 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 21:23:21,589 INFO L179 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 16#(not (= 100 (mod main_~j~0 4294967296))) [2019-08-22 21:23:21,604 INFO L91 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-22 21:23:21,604 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 21:23:21,607 INFO L168 Benchmark]: Toolchain (without parser) took 677.23 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 90.1 MB in the beginning and 162.8 MB in the end (delta: -72.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-22 21:23:21,608 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-22 21:23:21,609 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.35 ms. Allocated memory is still 133.7 MB. Free memory was 89.9 MB in the beginning and 81.0 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-08-22 21:23:21,610 INFO L168 Benchmark]: Boogie Preprocessor took 125.36 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 81.0 MB in the beginning and 177.8 MB in the end (delta: -96.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-08-22 21:23:21,611 INFO L168 Benchmark]: RCFGBuilder took 187.39 ms. Allocated memory is still 200.8 MB. Free memory was 177.8 MB in the beginning and 168.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-08-22 21:23:21,612 INFO L168 Benchmark]: Symbolic Interpretation took 107.11 ms. Allocated memory is still 200.8 MB. Free memory was 168.0 MB in the beginning and 162.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-08-22 21:23:21,622 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 16#(not (= 100 (mod main_~j~0 4294967296))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 253.35 ms. Allocated memory is still 133.7 MB. Free memory was 89.9 MB in the beginning and 81.0 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.36 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 81.0 MB in the beginning and 177.8 MB in the end (delta: -96.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 187.39 ms. Allocated memory is still 200.8 MB. Free memory was 177.8 MB in the beginning and 168.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 107.11 ms. Allocated memory is still 200.8 MB. Free memory was 168.0 MB in the beginning and 162.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...