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-fab3c18 [2019-08-22 21:23:21,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:23:21,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:23:21,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:23:21,572 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:23:21,573 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:23:21,574 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:23:21,577 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:23:21,586 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:23:21,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:23:21,588 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:23:21,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:23:21,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:23:21,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:23:21,595 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:23:21,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:23:21,597 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:23:21,598 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:23:21,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:23:21,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:23:21,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:23:21,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:23:21,611 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:23:21,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:23:21,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 21:23:21,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:23:21,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:23:21,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:23:21,633 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 21:23:21,656 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:23:21,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:23:21,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:23:21,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:23:21,658 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:23:21,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:23:21,659 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:23:21,659 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:23:21,659 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:23:21,659 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:23:21,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:23:21,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:23:21,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:23:21,662 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:23:21,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:23:21,662 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:23:21,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:23:21,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:23:21,663 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:23:21,663 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:23:21,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:23:21,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:23:21,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:23:21,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:23:21,664 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:23:21,664 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:23:21,664 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:23:21,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:23:21,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:23:21,704 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:23:21,718 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:23:21,724 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:23:21,725 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:23:21,725 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:23:21,726 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp6.c [2019-08-22 21:23:21,791 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1abb4118f/17acc2e303ad4643974b48eeaf532325/FLAGf2e0a0145 [2019-08-22 21:23:22,222 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:23:22,223 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp6.c [2019-08-22 21:23:22,230 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1abb4118f/17acc2e303ad4643974b48eeaf532325/FLAGf2e0a0145 [2019-08-22 21:23:22,624 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1abb4118f/17acc2e303ad4643974b48eeaf532325 [2019-08-22 21:23:22,632 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:23:22,634 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:23:22,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:23:22,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:23:22,638 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:23:22,639 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:23:22" (1/1) ... [2019-08-22 21:23:22,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6430c700 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:22, skipping insertion in model container [2019-08-22 21:23:22,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:23:22" (1/1) ... [2019-08-22 21:23:22,649 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:23:22,666 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:23:22,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:23:22,854 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:23:22,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:23:22,969 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:23:22,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:22 WrapperNode [2019-08-22 21:23:22,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:23:22,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:23:22,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:23:22,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:23:22,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:22" (1/1) ... [2019-08-22 21:23:22,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:22" (1/1) ... [2019-08-22 21:23:22,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:22" (1/1) ... [2019-08-22 21:23:22,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:22" (1/1) ... [2019-08-22 21:23:22,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:22" (1/1) ... [2019-08-22 21:23:22,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:22" (1/1) ... [2019-08-22 21:23:22,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:22" (1/1) ... [2019-08-22 21:23:22,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:23:22,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:23:22,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:23:22,998 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:23:22,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:22" (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 21:23:23,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:23:23,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:23:23,053 INFO L138 BoogieDeclarations]: Found implementation of procedure multiply [2019-08-22 21:23:23,053 INFO L138 BoogieDeclarations]: Found implementation of procedure divide [2019-08-22 21:23:23,053 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2019-08-22 21:23:23,054 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:23:23,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:23:23,054 INFO L130 BoogieDeclarations]: Found specification of procedure multiply [2019-08-22 21:23:23,054 INFO L130 BoogieDeclarations]: Found specification of procedure divide [2019-08-22 21:23:23,054 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2019-08-22 21:23:23,054 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:23:23,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:23:23,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:23:23,198 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:23:23,199 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-22 21:23:23,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:23:23 BoogieIcfgContainer [2019-08-22 21:23:23,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:23:23,201 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:23:23,202 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:23:23,202 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:23:23,203 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:23:23" (1/1) ... [2019-08-22 21:23:23,216 INFO L148 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-08-22 21:23:23,218 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:23:23,230 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:23:23,240 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:23:23,242 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:23:23,292 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-22 21:23:23,333 INFO L185 IcfgInterpreter]: Interpreting procedure cast with input of size 1 [2019-08-22 21:23:23,338 INFO L185 IcfgInterpreter]: Interpreting procedure divide with input of size 1 [2019-08-22 21:23:23,341 INFO L185 IcfgInterpreter]: Interpreting procedure multiply with input of size 1 [2019-08-22 21:23:23,343 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 21:23:23,343 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 21:23:23,345 INFO L179 IcfgInterpreter]: Reachable states at location castErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 47#(and (= (/ 16777215.0 1427247692705959881058285969449495136382746624.0) cast_~d~0) (<= cast_~f~0 (/ 16777215.0 1427247692705959881058285969449495136382746624.0)) (<= (/ 16777215.0 1427247692705959881058285969449495136382746624.0) cast_~f~0) (<= (/ 16777215.0 1427247692705959881058285969449495136382746624.0) cast_~d~0) (<= cast_~d~0 (/ 16777215.0 1427247692705959881058285969449495136382746624.0)) (= cast_~f~0 cast_~d~0)) [2019-08-22 21:23:23,346 INFO L179 IcfgInterpreter]: Reachable states at location multiplyErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 61#(and (<= (/ 1.0 2.0) multiply_~f1~0) (<= (/ 16777215.0 713623846352979940529142984724747568191373312.0) multiply_~f2~0) (= (/ 16777215.0 713623846352979940529142984724747568191373312.0) multiply_~f2~0) (= (/ 1.0 2.0) multiply_~f1~0) (<= multiply_~f2~0 (/ 16777215.0 713623846352979940529142984724747568191373312.0)) (<= multiply_~f1~0 (/ 1.0 2.0))) [2019-08-22 21:23:23,346 INFO L179 IcfgInterpreter]: Reachable states at location divideErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 54#(and (= divide_~f2~1 (/ 16777215.0 713623846352979940529142984724747568191373312.0)) (= divide_~f1~1 2.0) (<= divide_~f1~1 2.0) (<= (/ 16777215.0 713623846352979940529142984724747568191373312.0) divide_~f2~1) (<= divide_~f2~1 (/ 16777215.0 713623846352979940529142984724747568191373312.0)) (<= 2.0 divide_~f1~1)) [2019-08-22 21:23:23,365 INFO L91 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-22 21:23:23,365 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 21:23:23,369 INFO L168 Benchmark]: Toolchain (without parser) took 733.18 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 89.2 MB in the beginning and 157.2 MB in the end (delta: -68.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-22 21:23:23,370 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 134.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-22 21:23:23,372 INFO L168 Benchmark]: CACSL2BoogieTranslator took 335.21 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 89.0 MB in the beginning and 180.0 MB in the end (delta: -91.0 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-08-22 21:23:23,373 INFO L168 Benchmark]: Boogie Preprocessor took 27.49 ms. Allocated memory is still 200.3 MB. Free memory was 180.0 MB in the beginning and 176.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2019-08-22 21:23:23,375 INFO L168 Benchmark]: RCFGBuilder took 203.27 ms. Allocated memory is still 200.3 MB. Free memory was 176.7 MB in the beginning and 165.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-08-22 21:23:23,376 INFO L168 Benchmark]: Symbolic Interpretation took 163.96 ms. Allocated memory is still 200.3 MB. Free memory was 165.1 MB in the beginning and 157.2 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 7.1 GB. [2019-08-22 21:23:23,380 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - 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 47#(and (= (/ 16777215.0 1427247692705959881058285969449495136382746624.0) cast_~d~0) (<= cast_~f~0 (/ 16777215.0 1427247692705959881058285969449495136382746624.0)) (<= (/ 16777215.0 1427247692705959881058285969449495136382746624.0) cast_~f~0) (<= (/ 16777215.0 1427247692705959881058285969449495136382746624.0) cast_~d~0) (<= cast_~d~0 (/ 16777215.0 1427247692705959881058285969449495136382746624.0)) (= cast_~f~0 cast_~d~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 61#(and (<= (/ 1.0 2.0) multiply_~f1~0) (<= (/ 16777215.0 713623846352979940529142984724747568191373312.0) multiply_~f2~0) (= (/ 16777215.0 713623846352979940529142984724747568191373312.0) multiply_~f2~0) (= (/ 1.0 2.0) multiply_~f1~0) (<= multiply_~f2~0 (/ 16777215.0 713623846352979940529142984724747568191373312.0)) (<= multiply_~f1~0 (/ 1.0 2.0))). Possible FailurePath: - 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 54#(and (= divide_~f2~1 (/ 16777215.0 713623846352979940529142984724747568191373312.0)) (= divide_~f1~1 2.0) (<= divide_~f1~1 2.0) (<= (/ 16777215.0 713623846352979940529142984724747568191373312.0) divide_~f2~1) (<= divide_~f2~1 (/ 16777215.0 713623846352979940529142984724747568191373312.0)) (<= 2.0 divide_~f1~1)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 134.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 335.21 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 89.0 MB in the beginning and 180.0 MB in the end (delta: -91.0 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.49 ms. Allocated memory is still 200.3 MB. Free memory was 180.0 MB in the beginning and 176.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 203.27 ms. Allocated memory is still 200.3 MB. Free memory was 176.7 MB in the beginning and 165.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 163.96 ms. Allocated memory is still 200.3 MB. Free memory was 165.1 MB in the beginning and 157.2 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...