./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-benchs/inv_sqrt_Quake_true-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-benchs/inv_sqrt_Quake_true-unreach-call_true-termination.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e0f1bd2a42710b6c2eba96cb622bd79ffd05436a ..................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-benchs/inv_sqrt_Quake_true-unreach-call_true-termination.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e0f1bd2a42710b6c2eba96cb622bd79ffd05436a .................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-31 03:12:44,162 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 03:12:44,164 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 03:12:44,177 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 03:12:44,177 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 03:12:44,179 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 03:12:44,180 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 03:12:44,183 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 03:12:44,185 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 03:12:44,186 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 03:12:44,187 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 03:12:44,187 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 03:12:44,189 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 03:12:44,190 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 03:12:44,191 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 03:12:44,192 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 03:12:44,193 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 03:12:44,195 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 03:12:44,198 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 03:12:44,200 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 03:12:44,201 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 03:12:44,203 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 03:12:44,206 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 03:12:44,207 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 03:12:44,207 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 03:12:44,208 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 03:12:44,210 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 03:12:44,211 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 03:12:44,212 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 03:12:44,214 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 03:12:44,214 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 03:12:44,215 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 03:12:44,216 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 03:12:44,216 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 03:12:44,217 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 03:12:44,218 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 03:12:44,219 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 03:12:44,235 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 03:12:44,236 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 03:12:44,237 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 03:12:44,237 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 03:12:44,238 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 03:12:44,238 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 03:12:44,238 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 03:12:44,238 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 03:12:44,238 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 03:12:44,240 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 03:12:44,240 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 03:12:44,240 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 03:12:44,240 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 03:12:44,240 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 03:12:44,241 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 03:12:44,241 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 03:12:44,241 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 03:12:44,241 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 03:12:44,241 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 03:12:44,243 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 03:12:44,243 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 03:12:44,243 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 03:12:44,243 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 03:12:44,244 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 03:12:44,244 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 03:12:44,244 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 03:12:44,244 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 03:12:44,244 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 03:12:44,244 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0f1bd2a42710b6c2eba96cb622bd79ffd05436a [2018-12-31 03:12:44,284 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 03:12:44,297 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 03:12:44,301 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 03:12:44,303 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 03:12:44,303 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 03:12:44,304 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-benchs/inv_sqrt_Quake_true-unreach-call_true-termination.c [2018-12-31 03:12:44,361 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/150a99e2f/5b2277cfc7cc41ae97e5cc01cd3461f4/FLAG1502dff18 [2018-12-31 03:12:44,875 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 03:12:44,875 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-benchs/inv_sqrt_Quake_true-unreach-call_true-termination.c [2018-12-31 03:12:44,881 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/150a99e2f/5b2277cfc7cc41ae97e5cc01cd3461f4/FLAG1502dff18 [2018-12-31 03:12:45,208 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/150a99e2f/5b2277cfc7cc41ae97e5cc01cd3461f4 [2018-12-31 03:12:45,213 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 03:12:45,215 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 03:12:45,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 03:12:45,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 03:12:45,221 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 03:12:45,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:12:45" (1/1) ... [2018-12-31 03:12:45,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c03e545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:12:45, skipping insertion in model container [2018-12-31 03:12:45,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:12:45" (1/1) ... [2018-12-31 03:12:45,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 03:12:45,254 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 03:12:45,476 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:12:45,481 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 03:12:45,508 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:12:45,536 INFO L195 MainTranslator]: Completed translation [2018-12-31 03:12:45,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:12:45 WrapperNode [2018-12-31 03:12:45,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 03:12:45,538 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 03:12:45,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 03:12:45,539 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 03:12:45,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:12:45" (1/1) ... [2018-12-31 03:12:45,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:12:45" (1/1) ... [2018-12-31 03:12:45,585 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 03:12:45,586 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 03:12:45,586 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 03:12:45,586 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 03:12:45,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:12:45" (1/1) ... [2018-12-31 03:12:45,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:12:45" (1/1) ... [2018-12-31 03:12:45,600 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:12:45" (1/1) ... [2018-12-31 03:12:45,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:12:45" (1/1) ... [2018-12-31 03:12:45,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:12:45" (1/1) ... [2018-12-31 03:12:45,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:12:45" (1/1) ... [2018-12-31 03:12:45,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:12:45" (1/1) ... [2018-12-31 03:12:45,623 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 03:12:45,624 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 03:12:45,624 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 03:12:45,624 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 03:12:45,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:12:45" (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 [2018-12-31 03:12:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 03:12:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-31 03:12:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-31 03:12:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-31 03:12:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 03:12:45,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 03:12:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-31 03:12:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 03:12:46,049 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 03:12:46,050 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-31 03:12:46,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:12:46 BoogieIcfgContainer [2018-12-31 03:12:46,051 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 03:12:46,052 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 03:12:46,052 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 03:12:46,056 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 03:12:46,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 03:12:45" (1/3) ... [2018-12-31 03:12:46,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b9b2d9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:12:46, skipping insertion in model container [2018-12-31 03:12:46,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:12:45" (2/3) ... [2018-12-31 03:12:46,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b9b2d9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:12:46, skipping insertion in model container [2018-12-31 03:12:46,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:12:46" (3/3) ... [2018-12-31 03:12:46,061 INFO L112 eAbstractionObserver]: Analyzing ICFG inv_sqrt_Quake_true-unreach-call_true-termination.c [2018-12-31 03:12:46,080 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 03:12:46,089 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 03:12:46,106 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 03:12:46,137 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 03:12:46,137 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 03:12:46,138 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 03:12:46,138 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 03:12:46,138 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 03:12:46,138 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 03:12:46,138 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 03:12:46,138 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 03:12:46,139 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 03:12:46,156 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2018-12-31 03:12:46,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-31 03:12:46,169 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:12:46,170 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-12-31 03:12:46,172 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:12:46,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:12:46,179 INFO L82 PathProgramCache]: Analyzing trace with hash 28692803, now seen corresponding path program 1 times [2018-12-31 03:12:46,182 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 03:12:46,182 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 03:12:46,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:12:46,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:12:46,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:12:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 03:12:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 03:12:46,345 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-31 03:12:46,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 03:12:46 BoogieIcfgContainer [2018-12-31 03:12:46,376 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 03:12:46,377 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 03:12:46,377 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 03:12:46,377 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 03:12:46,378 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:12:46" (3/4) ... [2018-12-31 03:12:46,381 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-31 03:12:46,381 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 03:12:46,382 INFO L168 Benchmark]: Toolchain (without parser) took 1168.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -148.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:12:46,384 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:12:46,385 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.53 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-31 03:12:46,387 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.13 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:12:46,387 INFO L168 Benchmark]: Boogie Preprocessor took 37.64 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-31 03:12:46,388 INFO L168 Benchmark]: RCFGBuilder took 426.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -177.7 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-12-31 03:12:46,390 INFO L168 Benchmark]: TraceAbstraction took 324.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-31 03:12:46,391 INFO L168 Benchmark]: Witness Printer took 4.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:12:46,398 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 320.53 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.13 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.64 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 426.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -177.7 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 324.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 8]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryDOUBLEComparisonOperation at line 47, overapproximation of someBinaryArithmeticFLOAToperation at line 17. Possible FailurePath: [L40] float a,r; [L42] a = __VERIFIER_nondet_float() [L17] float xhalf = 0.5f*x; [L18] union float_int i; [L19] i.f = x [L20] EXPR i.i [L20] i.i = 0x5f3759df - (i.i>>1) [L21] EXPR i.f [L21] x = i.f [L22] x = x*(1.5f-xhalf*x*x) [L23] return x; [L23] return x; [L45] r = InvSqrt(a) [L8] COND TRUE !(cond) [L8] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-2e94e6a [2018-12-31 03:12:48,825 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 03:12:48,828 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 03:12:48,840 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 03:12:48,841 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 03:12:48,842 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 03:12:48,843 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 03:12:48,846 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 03:12:48,848 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 03:12:48,849 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 03:12:48,850 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 03:12:48,850 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 03:12:48,851 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 03:12:48,853 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 03:12:48,854 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 03:12:48,855 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 03:12:48,856 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 03:12:48,858 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 03:12:48,861 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 03:12:48,862 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 03:12:48,864 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 03:12:48,865 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 03:12:48,868 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 03:12:48,868 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 03:12:48,869 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 03:12:48,870 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 03:12:48,871 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 03:12:48,872 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 03:12:48,874 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 03:12:48,879 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 03:12:48,879 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 03:12:48,881 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 03:12:48,881 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 03:12:48,881 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 03:12:48,885 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 03:12:48,887 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 03:12:48,890 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-31 03:12:48,920 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 03:12:48,922 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 03:12:48,923 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 03:12:48,923 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 03:12:48,923 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 03:12:48,923 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 03:12:48,927 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 03:12:48,927 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 03:12:48,927 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 03:12:48,928 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 03:12:48,928 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 03:12:48,928 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 03:12:48,928 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-31 03:12:48,928 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-31 03:12:48,928 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 03:12:48,929 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 03:12:48,929 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 03:12:48,929 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 03:12:48,929 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 03:12:48,929 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 03:12:48,929 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 03:12:48,932 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 03:12:48,932 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 03:12:48,932 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 03:12:48,933 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 03:12:48,933 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 03:12:48,934 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-31 03:12:48,934 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 03:12:48,934 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-31 03:12:48,934 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-31 03:12:48,934 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0f1bd2a42710b6c2eba96cb622bd79ffd05436a [2018-12-31 03:12:48,995 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 03:12:49,013 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 03:12:49,019 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 03:12:49,020 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 03:12:49,022 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 03:12:49,023 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-benchs/inv_sqrt_Quake_true-unreach-call_true-termination.c [2018-12-31 03:12:49,091 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39ac087ac/e0be52eacc344d22bf5325708a1c0846/FLAG2dd8115cd [2018-12-31 03:12:49,579 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 03:12:49,580 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-benchs/inv_sqrt_Quake_true-unreach-call_true-termination.c [2018-12-31 03:12:49,588 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39ac087ac/e0be52eacc344d22bf5325708a1c0846/FLAG2dd8115cd [2018-12-31 03:12:49,929 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39ac087ac/e0be52eacc344d22bf5325708a1c0846 [2018-12-31 03:12:49,934 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 03:12:49,936 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 03:12:49,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 03:12:49,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 03:12:49,941 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 03:12:49,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:12:49" (1/1) ... [2018-12-31 03:12:49,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d8c1856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:12:49, skipping insertion in model container [2018-12-31 03:12:49,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:12:49" (1/1) ... [2018-12-31 03:12:49,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 03:12:49,974 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 03:12:50,207 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:12:50,217 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 03:12:50,252 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:12:50,298 INFO L195 MainTranslator]: Completed translation [2018-12-31 03:12:50,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:12:50 WrapperNode [2018-12-31 03:12:50,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 03:12:50,300 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 03:12:50,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 03:12:50,300 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 03:12:50,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:12:50" (1/1) ... [2018-12-31 03:12:50,332 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:12:50" (1/1) ... [2018-12-31 03:12:50,359 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 03:12:50,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 03:12:50,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 03:12:50,361 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 03:12:50,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:12:50" (1/1) ... [2018-12-31 03:12:50,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:12:50" (1/1) ... [2018-12-31 03:12:50,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:12:50" (1/1) ... [2018-12-31 03:12:50,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:12:50" (1/1) ... [2018-12-31 03:12:50,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:12:50" (1/1) ... [2018-12-31 03:12:50,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:12:50" (1/1) ... [2018-12-31 03:12:50,416 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:12:50" (1/1) ... [2018-12-31 03:12:50,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 03:12:50,420 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 03:12:50,420 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 03:12:50,420 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 03:12:50,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:12:50" (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 [2018-12-31 03:12:50,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 03:12:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-31 03:12:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-31 03:12:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 03:12:50,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 03:12:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-31 03:12:50,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 03:12:50,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-31 03:12:52,827 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 03:12:52,958 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 03:12:52,958 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-31 03:12:52,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:12:52 BoogieIcfgContainer [2018-12-31 03:12:52,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 03:12:52,960 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 03:12:52,960 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 03:12:52,964 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 03:12:52,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 03:12:49" (1/3) ... [2018-12-31 03:12:52,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec60901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:12:52, skipping insertion in model container [2018-12-31 03:12:52,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:12:50" (2/3) ... [2018-12-31 03:12:52,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec60901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:12:52, skipping insertion in model container [2018-12-31 03:12:52,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:12:52" (3/3) ... [2018-12-31 03:12:52,968 INFO L112 eAbstractionObserver]: Analyzing ICFG inv_sqrt_Quake_true-unreach-call_true-termination.c [2018-12-31 03:12:52,981 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 03:12:52,992 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 03:12:53,015 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 03:12:53,061 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 03:12:53,062 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 03:12:53,062 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 03:12:53,063 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 03:12:53,063 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 03:12:53,063 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 03:12:53,063 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 03:12:53,063 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 03:12:53,063 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 03:12:53,081 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2018-12-31 03:12:53,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-31 03:12:53,089 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:12:53,090 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-12-31 03:12:53,093 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:12:53,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:12:53,101 INFO L82 PathProgramCache]: Analyzing trace with hash 28692803, now seen corresponding path program 1 times [2018-12-31 03:12:53,107 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:12:53,108 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-31 03:12:53,153 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:12:55,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:12:55,060 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:12:57,148 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_q#valueAsBitvector_2| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_q#valueAsBitvector_2|) ((_ extract 30 23) |v_q#valueAsBitvector_2|) ((_ extract 22 0) |v_q#valueAsBitvector_2|)))) (and (fp.geq .cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0))) (= |c_ULTIMATE.start_InvSqrt_#res| (let ((.cse1 (let ((.cse2 (bvadd (bvneg (bvashr |v_q#valueAsBitvector_2| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven .cse1 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse0) .cse1) .cse1))))) (fp.leq .cse0 ((_ to_fp 8 24) roundNearestTiesToEven 100.0))))) is different from false [2018-12-31 03:12:59,193 WARN L860 $PredicateComparison]: unable to prove that (exists ((|v_q#valueAsBitvector_2| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_q#valueAsBitvector_2|) ((_ extract 30 23) |v_q#valueAsBitvector_2|) ((_ extract 22 0) |v_q#valueAsBitvector_2|)))) (and (fp.geq .cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0))) (= |c_ULTIMATE.start_InvSqrt_#res| (let ((.cse1 (let ((.cse2 (bvadd (bvneg (bvashr |v_q#valueAsBitvector_2| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven .cse1 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse0) .cse1) .cse1))))) (fp.leq .cse0 ((_ to_fp 8 24) roundNearestTiesToEven 100.0))))) is different from true [2018-12-31 03:13:15,698 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse3 (= (_ bv0 32) c_ULTIMATE.start___VERIFIER_assert_~cond))) (or (and (exists ((|v_q#valueAsBitvector_2| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_q#valueAsBitvector_2|) ((_ extract 30 23) |v_q#valueAsBitvector_2|) ((_ extract 22 0) |v_q#valueAsBitvector_2|)))) (and (fp.geq .cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0))) (not (fp.geq (let ((.cse1 (let ((.cse2 (bvadd (bvneg (bvashr |v_q#valueAsBitvector_2| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven .cse1 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse0) .cse1) .cse1)))) (_ +zero 8 24))) (fp.leq .cse0 ((_ to_fp 8 24) roundNearestTiesToEven 100.0))))) .cse3) (and (= (_ bv1 32) c_ULTIMATE.start___VERIFIER_assert_~cond) (exists ((v_prenex_3 (_ BitVec 32))) (let ((.cse4 (fp ((_ extract 31 31) v_prenex_3) ((_ extract 30 23) v_prenex_3) ((_ extract 22 0) v_prenex_3)))) (let ((.cse5 (let ((.cse6 (let ((.cse7 (bvadd (bvneg (bvashr v_prenex_3 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse7) ((_ extract 30 23) .cse7) ((_ extract 22 0) .cse7))))) (fp.mul roundNearestTiesToEven .cse6 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse4) .cse6) .cse6)))))) (and (fp.geq .cse4 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0))) (fp.leq .cse4 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)) (fp.geq .cse5 (_ +zero 8 24)) (fp.leq ((_ to_fp 11 53) roundNearestTiesToEven .cse5) ((_ to_fp 11 53) roundNearestTiesToEven 10.0))))))) (and (exists ((v_prenex_1 (_ BitVec 32))) (let ((.cse8 (fp ((_ extract 31 31) v_prenex_1) ((_ extract 30 23) v_prenex_1) ((_ extract 22 0) v_prenex_1)))) (and (fp.leq .cse8 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)) (fp.geq .cse8 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0))) (not (fp.leq ((_ to_fp 11 53) roundNearestTiesToEven (let ((.cse9 (let ((.cse10 (bvadd (bvneg (bvashr v_prenex_1 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse10) ((_ extract 30 23) .cse10) ((_ extract 22 0) .cse10))))) (fp.mul roundNearestTiesToEven .cse9 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse8) .cse9) .cse9))))) ((_ to_fp 11 53) roundNearestTiesToEven 10.0)))))) .cse3))) is different from false [2018-12-31 03:13:26,023 WARN L838 $PredicateComparison]: unable to prove that (or (exists ((|v_q#valueAsBitvector_2| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_q#valueAsBitvector_2|) ((_ extract 30 23) |v_q#valueAsBitvector_2|) ((_ extract 22 0) |v_q#valueAsBitvector_2|)))) (and (fp.geq .cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0))) (not (fp.geq (let ((.cse1 (let ((.cse2 (bvadd (bvneg (bvashr |v_q#valueAsBitvector_2| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven .cse1 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse0) .cse1) .cse1)))) (_ +zero 8 24))) (fp.leq .cse0 ((_ to_fp 8 24) roundNearestTiesToEven 100.0))))) (exists ((v_prenex_1 (_ BitVec 32))) (let ((.cse3 (fp ((_ extract 31 31) v_prenex_1) ((_ extract 30 23) v_prenex_1) ((_ extract 22 0) v_prenex_1)))) (and (fp.leq .cse3 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)) (fp.geq .cse3 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0))) (not (fp.leq ((_ to_fp 11 53) roundNearestTiesToEven (let ((.cse4 (let ((.cse5 (bvadd (bvneg (bvashr v_prenex_1 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (fp.mul roundNearestTiesToEven .cse4 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse3) .cse4) .cse4))))) ((_ to_fp 11 53) roundNearestTiesToEven 10.0))))))) is different from false [2018-12-31 03:13:28,094 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((|v_q#valueAsBitvector_2| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_q#valueAsBitvector_2|) ((_ extract 30 23) |v_q#valueAsBitvector_2|) ((_ extract 22 0) |v_q#valueAsBitvector_2|)))) (and (fp.geq .cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0))) (not (fp.geq (let ((.cse1 (let ((.cse2 (bvadd (bvneg (bvashr |v_q#valueAsBitvector_2| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven .cse1 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse0) .cse1) .cse1)))) (_ +zero 8 24))) (fp.leq .cse0 ((_ to_fp 8 24) roundNearestTiesToEven 100.0))))) (exists ((v_prenex_1 (_ BitVec 32))) (let ((.cse3 (fp ((_ extract 31 31) v_prenex_1) ((_ extract 30 23) v_prenex_1) ((_ extract 22 0) v_prenex_1)))) (and (fp.leq .cse3 ((_ to_fp 8 24) roundNearestTiesToEven 100.0)) (fp.geq .cse3 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0))) (not (fp.leq ((_ to_fp 11 53) roundNearestTiesToEven (let ((.cse4 (let ((.cse5 (bvadd (bvneg (bvashr v_prenex_1 (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))) (fp.mul roundNearestTiesToEven .cse4 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse3) .cse4) .cse4))))) ((_ to_fp 11 53) roundNearestTiesToEven 10.0))))))) is different from true [2018-12-31 03:13:28,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:13:28,101 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:13:28,116 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:13:28,116 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-31 03:13:28,120 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-31 03:13:28,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-31 03:13:28,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=2, Unknown=5, NotChecked=6, Total=20 [2018-12-31 03:13:28,135 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 5 states. [2018-12-31 03:13:28,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:13:28,151 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2018-12-31 03:13:28,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-31 03:13:28,153 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 5 [2018-12-31 03:13:28,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:13:28,162 INFO L225 Difference]: With dead ends: 14 [2018-12-31 03:13:28,162 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 03:13:28,167 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=7, Invalid=2, Unknown=5, NotChecked=6, Total=20 [2018-12-31 03:13:28,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 03:13:28,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 03:13:28,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 03:13:28,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 03:13:28,200 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2018-12-31 03:13:28,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:13:28,201 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 03:13:28,201 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-31 03:13:28,202 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 03:13:28,202 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 03:13:28,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 03:13:32,362 WARN L181 SmtUtils]: Spent 4.09 s on a formula simplification that was a NOOP. DAG size: 34 [2018-12-31 03:13:32,365 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 03:13:32,365 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 03:13:32,365 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 03:13:32,366 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 03:13:32,366 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2018-12-31 03:13:32,367 INFO L444 ceAbstractionStarter]: At program point L23(lines 15 24) the Hoare annotation is: (exists ((|v_q#valueAsBitvector_2| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_q#valueAsBitvector_2|) ((_ extract 30 23) |v_q#valueAsBitvector_2|) ((_ extract 22 0) |v_q#valueAsBitvector_2|)))) (and (fp.geq .cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 10.0))) (= |ULTIMATE.start_InvSqrt_#res| (let ((.cse1 (let ((.cse2 (bvadd (bvneg (bvashr |v_q#valueAsBitvector_2| (_ bv1 32))) (_ bv1597463007 32)))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven .cse1 (fp.sub roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 3.0 2.0)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) .cse0) .cse1) .cse1))))) (fp.leq .cse0 ((_ to_fp 8 24) roundNearestTiesToEven 100.0))))) [2018-12-31 03:13:32,367 INFO L451 ceAbstractionStarter]: At program point L48(lines 38 49) the Hoare annotation is: true [2018-12-31 03:13:32,367 INFO L448 ceAbstractionStarter]: For program point L8(line 8) no Hoare annotation was computed. [2018-12-31 03:13:32,367 INFO L448 ceAbstractionStarter]: For program point L8-1(line 8) no Hoare annotation was computed. [2018-12-31 03:13:32,367 INFO L451 ceAbstractionStarter]: At program point L8-3(line 8) the Hoare annotation is: true [2018-12-31 03:13:32,377 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:446) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:105) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:560) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:257) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:214) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-31 03:13:32,385 INFO L168 Benchmark]: Toolchain (without parser) took 42450.36 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 235.9 MB). Free memory was 952.7 MB in the beginning and 1.2 GB in the end (delta: -208.3 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2018-12-31 03:13:32,387 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:13:32,387 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.62 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-31 03:13:32,388 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.81 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 936.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-31 03:13:32,390 INFO L168 Benchmark]: Boogie Preprocessor took 58.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 38.8 MB). Free memory was 936.6 MB in the beginning and 1.0 GB in the end (delta: -80.4 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-31 03:13:32,391 INFO L168 Benchmark]: RCFGBuilder took 2539.36 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 197.1 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -184.3 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. [2018-12-31 03:13:32,393 INFO L168 Benchmark]: TraceAbstraction took 39419.29 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 40.4 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. [2018-12-31 03:13:32,399 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 362.62 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.81 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 936.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 38.8 MB). Free memory was 936.6 MB in the beginning and 1.0 GB in the end (delta: -80.4 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2539.36 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 197.1 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -184.3 MB). Peak memory consumption was 30.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 39419.29 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 40.4 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: 1 - ExceptionOrErrorResult: UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...