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-simp6.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 19:38:36,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 19:38:36,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 19:38:36,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 19:38:36,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 19:38:36,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 19:38:36,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 19:38:36,706 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 19:38:36,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 19:38:36,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 19:38:36,710 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 19:38:36,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 19:38:36,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 19:38:36,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 19:38:36,713 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 19:38:36,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 19:38:36,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 19:38:36,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 19:38:36,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 19:38:36,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 19:38:36,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 19:38:36,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 19:38:36,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 19:38:36,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 19:38:36,725 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 19:38:36,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 19:38:36,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 19:38:36,729 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 19:38:36,730 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 19:38:36,731 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 19:38:36,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 19:38:36,732 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 19:38:36,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 19:38:36,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 19:38:36,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 19:38:36,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 19:38:36,735 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 19:38:36,754 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 19:38:36,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 19:38:36,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 19:38:36,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 19:38:36,756 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 19:38:36,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 19:38:36,757 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 19:38:36,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 19:38:36,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 19:38:36,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 19:38:36,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 19:38:36,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 19:38:36,759 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 19:38:36,760 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 19:38:36,760 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 19:38:36,760 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 19:38:36,760 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 19:38:36,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 19:38:36,761 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 19:38:36,761 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 19:38:36,761 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 19:38:36,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 19:38:36,762 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 19:38:36,762 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 19:38:36,762 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 19:38:36,762 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 19:38:36,763 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 19:38:36,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 19:38:36,763 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 19:38:36,818 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 19:38:36,831 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 19:38:36,834 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 19:38:36,835 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 19:38:36,836 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 19:38:36,837 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp6.c [2019-08-14 19:38:36,895 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73b2e6c6e/588e85b4c6644f908117924d1bf06601/FLAG7dd98c4f9 [2019-08-14 19:38:37,321 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 19:38:37,322 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp6.c [2019-08-14 19:38:37,329 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73b2e6c6e/588e85b4c6644f908117924d1bf06601/FLAG7dd98c4f9 [2019-08-14 19:38:37,747 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73b2e6c6e/588e85b4c6644f908117924d1bf06601 [2019-08-14 19:38:37,757 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 19:38:37,759 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 19:38:37,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 19:38:37,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 19:38:37,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 19:38:37,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 07:38:37" (1/1) ... [2019-08-14 19:38:37,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74696005 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:37, skipping insertion in model container [2019-08-14 19:38:37,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 07:38:37" (1/1) ... [2019-08-14 19:38:37,775 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 19:38:37,792 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 19:38:37,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 19:38:38,002 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 19:38:38,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 19:38:38,036 INFO L192 MainTranslator]: Completed translation [2019-08-14 19:38:38,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:38 WrapperNode [2019-08-14 19:38:38,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 19:38:38,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 19:38:38,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 19:38:38,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 19:38:38,130 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 19:38:38,130 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 19:38:38,134 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 19:38:38,135 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 19:38:38,140 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 19:38:38,143 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 19:38:38,144 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 19:38:38,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 19:38:38,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 19:38:38,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 19:38:38,146 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 19:38:38,147 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 19:38:38,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 19:38:38,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 19:38:38,202 INFO L138 BoogieDeclarations]: Found implementation of procedure multiply [2019-08-14 19:38:38,202 INFO L138 BoogieDeclarations]: Found implementation of procedure divide [2019-08-14 19:38:38,202 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2019-08-14 19:38:38,203 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 19:38:38,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 19:38:38,203 INFO L130 BoogieDeclarations]: Found specification of procedure multiply [2019-08-14 19:38:38,203 INFO L130 BoogieDeclarations]: Found specification of procedure divide [2019-08-14 19:38:38,203 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2019-08-14 19:38:38,203 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 19:38:38,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 19:38:38,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 19:38:38,368 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 19:38:38,369 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-14 19:38:38,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 07:38:38 BoogieIcfgContainer [2019-08-14 19:38:38,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 19:38:38,371 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 19:38:38,371 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 19:38:38,371 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 19:38:38,372 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 19:38:38,581 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 19:38:38,586 INFO L168 Benchmark]: Toolchain (without parser) took 824.53 ms. Allocated memory was 132.6 MB in the beginning and 198.7 MB in the end (delta: 66.1 MB). Free memory was 88.2 MB in the beginning and 158.2 MB in the end (delta: -70.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-14 19:38:38,588 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 19:38:38,588 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.28 ms. Allocated memory is still 132.6 MB. Free memory was 88.0 MB in the beginning and 76.8 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-08-14 19:38:38,590 INFO L168 Benchmark]: Boogie Preprocessor took 107.63 ms. Allocated memory was 132.6 MB in the beginning and 198.7 MB in the end (delta: 66.1 MB). Free memory was 76.8 MB in the beginning and 175.1 MB in the end (delta: -98.3 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-08-14 19:38:38,590 INFO L168 Benchmark]: RCFGBuilder took 225.20 ms. Allocated memory is still 198.7 MB. Free memory was 175.1 MB in the beginning and 163.2 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2019-08-14 19:38:38,591 INFO L168 Benchmark]: Symbolic Interpretation took 210.54 ms. Allocated memory is still 198.7 MB. Free memory was 163.2 MB in the beginning and 158.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-08-14 19:38:38,595 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 33]: 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 40#(and (= divide_~f2~1 (/ 16777215.0 713623846352979940529142984724747568191373312.0)) (= divide_~f1~1 2.0)). Possible FailurePath: - UnprovableResult [Line: 23]: 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 45#(and (= (/ 16777215.0 713623846352979940529142984724747568191373312.0) multiply_~f2~0) (= (/ 1.0 2.0) multiply_~f1~0)). Possible FailurePath: - UnprovableResult [Line: 42]: 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 35#(and (= (/ 16777215.0 1427247692705959881058285969449495136382746624.0) cast_~d~0) (= cast_~f~0 cast_~d~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 277.28 ms. Allocated memory is still 132.6 MB. Free memory was 88.0 MB in the beginning and 76.8 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.63 ms. Allocated memory was 132.6 MB in the beginning and 198.7 MB in the end (delta: 66.1 MB). Free memory was 76.8 MB in the beginning and 175.1 MB in the end (delta: -98.3 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 225.20 ms. Allocated memory is still 198.7 MB. Free memory was 175.1 MB in the beginning and 163.2 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 210.54 ms. Allocated memory is still 198.7 MB. Free memory was 163.2 MB in the beginning and 158.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...