./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0470.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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 ../sv-benchmarks/c/float-newlib/double_req_bl_0470.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9ff7db1eeded42846704563d91b80b24f7e19034 ........................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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 ../sv-benchmarks/c/float-newlib/double_req_bl_0470.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9ff7db1eeded42846704563d91b80b24f7e19034 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:26:48,201 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:26:48,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:26:48,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:26:48,246 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:26:48,256 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:26:48,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:26:48,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:26:48,265 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:26:48,268 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:26:48,270 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:26:48,271 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:26:48,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:26:48,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:26:48,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:26:48,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:26:48,280 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:26:48,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:26:48,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:26:48,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:26:48,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:26:48,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:26:48,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:26:48,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:26:48,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:26:48,323 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:26:48,323 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:26:48,326 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:26:48,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:26:48,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:26:48,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:26:48,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:26:48,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:26:48,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:26:48,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:26:48,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:26:48,339 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:26:48,339 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:26:48,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:26:48,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:26:48,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:26:48,342 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 00:26:48,380 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:26:48,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:26:48,383 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:26:48,383 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:26:48,383 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:26:48,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:26:48,384 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:26:48,384 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 00:26:48,384 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:26:48,385 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:26:48,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:26:48,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:26:48,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:26:48,387 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:26:48,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:26:48,387 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:26:48,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:26:48,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:26:48,389 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:26:48,390 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:26:48,390 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:26:48,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:26:48,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:26:48,391 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:26:48,391 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:26:48,391 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 00:26:48,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 00:26:48,392 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:26:48,392 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:26:48,392 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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(reach_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 -> 9ff7db1eeded42846704563d91b80b24f7e19034 [2020-10-20 00:26:48,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:26:48,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:26:48,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:26:48,628 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:26:48,629 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:26:48,630 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0470.c [2020-10-20 00:26:48,704 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3948d24f0/929e0019f8d348f4b0fe476c9ec015d7/FLAGdee1a031d [2020-10-20 00:26:49,226 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:26:49,227 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0470.c [2020-10-20 00:26:49,236 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3948d24f0/929e0019f8d348f4b0fe476c9ec015d7/FLAGdee1a031d [2020-10-20 00:26:49,638 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3948d24f0/929e0019f8d348f4b0fe476c9ec015d7 [2020-10-20 00:26:49,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:26:49,647 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:26:49,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:26:49,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:26:49,652 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:26:49,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:26:49" (1/1) ... [2020-10-20 00:26:49,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59d21fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:49, skipping insertion in model container [2020-10-20 00:26:49,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:26:49" (1/1) ... [2020-10-20 00:26:49,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:26:49,714 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:26:50,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:26:50,014 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:26:50,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:26:50,092 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:26:50,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:50 WrapperNode [2020-10-20 00:26:50,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:26:50,094 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:26:50,094 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:26:50,094 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:26:50,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:50" (1/1) ... [2020-10-20 00:26:50,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:50" (1/1) ... [2020-10-20 00:26:50,164 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:26:50,164 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:26:50,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:26:50,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:26:50,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:50" (1/1) ... [2020-10-20 00:26:50,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:50" (1/1) ... [2020-10-20 00:26:50,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:50" (1/1) ... [2020-10-20 00:26:50,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:50" (1/1) ... [2020-10-20 00:26:50,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:50" (1/1) ... [2020-10-20 00:26:50,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:50" (1/1) ... [2020-10-20 00:26:50,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:50" (1/1) ... [2020-10-20 00:26:50,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:26:50,231 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:26:50,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:26:50,231 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:26:50,232 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:50" (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 [2020-10-20 00:26:50,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 00:26:50,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:26:50,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-20 00:26:50,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 00:26:50,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-20 00:26:50,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:26:50,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:26:50,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 00:26:50,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:26:51,179 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:26:51,179 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-10-20 00:26:51,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:26:51 BoogieIcfgContainer [2020-10-20 00:26:51,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:26:51,186 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:26:51,186 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:26:51,189 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:26:51,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:26:49" (1/3) ... [2020-10-20 00:26:51,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f5d420 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:26:51, skipping insertion in model container [2020-10-20 00:26:51,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:50" (2/3) ... [2020-10-20 00:26:51,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f5d420 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:26:51, skipping insertion in model container [2020-10-20 00:26:51,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:26:51" (3/3) ... [2020-10-20 00:26:51,195 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0470.c [2020-10-20 00:26:51,206 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:26:51,213 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:26:51,236 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:26:51,262 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:26:51,263 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:26:51,263 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:26:51,263 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:26:51,263 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:26:51,263 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:26:51,263 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:26:51,264 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:26:51,284 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2020-10-20 00:26:51,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 00:26:51,291 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:26:51,293 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:26:51,293 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:26:51,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:26:51,300 INFO L82 PathProgramCache]: Analyzing trace with hash 2057048347, now seen corresponding path program 1 times [2020-10-20 00:26:51,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:26:51,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067714575] [2020-10-20 00:26:51,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:26:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:26:51,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:26:51,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067714575] [2020-10-20 00:26:51,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:26:51,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 00:26:51,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598375] [2020-10-20 00:26:51,475 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:26:51,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:26:51,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:26:51,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:26:51,494 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 2 states. [2020-10-20 00:26:51,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:26:51,556 INFO L93 Difference]: Finished difference Result 207 states and 343 transitions. [2020-10-20 00:26:51,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:26:51,558 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-20 00:26:51,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:26:51,590 INFO L225 Difference]: With dead ends: 207 [2020-10-20 00:26:51,590 INFO L226 Difference]: Without dead ends: 101 [2020-10-20 00:26:51,596 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:26:51,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-10-20 00:26:51,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-10-20 00:26:51,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-10-20 00:26:51,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 146 transitions. [2020-10-20 00:26:51,678 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 146 transitions. Word has length 11 [2020-10-20 00:26:51,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:26:51,679 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 146 transitions. [2020-10-20 00:26:51,679 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:26:51,679 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 146 transitions. [2020-10-20 00:26:51,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-20 00:26:51,681 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:26:51,682 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:26:51,682 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 00:26:51,683 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:26:51,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:26:51,683 INFO L82 PathProgramCache]: Analyzing trace with hash -1327291576, now seen corresponding path program 1 times [2020-10-20 00:26:51,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:26:51,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178997443] [2020-10-20 00:26:51,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:26:51,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:26:51,747 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:26:51,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:26:51,802 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:26:51,857 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 00:26:51,857 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:26:51,860 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 00:26:51,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:26:51 BoogieIcfgContainer [2020-10-20 00:26:51,903 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:26:51,903 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:26:51,903 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:26:51,903 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:26:51,904 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:26:51" (3/4) ... [2020-10-20 00:26:51,908 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 00:26:51,908 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:26:51,911 INFO L168 Benchmark]: Toolchain (without parser) took 2267.42 ms. Allocated memory was 35.7 MB in the beginning and 49.8 MB in the end (delta: 14.2 MB). Free memory was 18.7 MB in the beginning and 18.2 MB in the end (delta: 456.0 kB). Peak memory consumption was 14.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:26:51,912 INFO L168 Benchmark]: CDTParser took 0.84 ms. Allocated memory is still 33.0 MB. Free memory was 11.2 MB in the beginning and 11.2 MB in the end (delta: 47.5 kB). Peak memory consumption was 47.5 kB. Max. memory is 14.3 GB. [2020-10-20 00:26:51,913 INFO L168 Benchmark]: CACSL2BoogieTranslator took 445.08 ms. Allocated memory was 35.7 MB in the beginning and 44.0 MB in the end (delta: 8.4 MB). Free memory was 17.9 MB in the beginning and 19.9 MB in the end (delta: -2.0 MB). Peak memory consumption was 12.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:26:51,914 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.55 ms. Allocated memory is still 44.0 MB. Free memory was 19.9 MB in the beginning and 16.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:26:51,915 INFO L168 Benchmark]: Boogie Preprocessor took 65.86 ms. Allocated memory was 44.0 MB in the beginning and 45.1 MB in the end (delta: 1.0 MB). Free memory was 16.3 MB in the beginning and 25.3 MB in the end (delta: -9.0 MB). Peak memory consumption was 5.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:26:51,916 INFO L168 Benchmark]: RCFGBuilder took 950.86 ms. Allocated memory was 45.1 MB in the beginning and 48.8 MB in the end (delta: 3.7 MB). Free memory was 25.3 MB in the beginning and 13.1 MB in the end (delta: 12.2 MB). Peak memory consumption was 17.1 MB. Max. memory is 14.3 GB. [2020-10-20 00:26:51,917 INFO L168 Benchmark]: TraceAbstraction took 717.22 ms. Allocated memory was 48.8 MB in the beginning and 49.8 MB in the end (delta: 1.0 MB). Free memory was 12.4 MB in the beginning and 19.0 MB in the end (delta: -6.7 MB). There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 00:26:51,918 INFO L168 Benchmark]: Witness Printer took 5.05 ms. Allocated memory is still 49.8 MB. Free memory was 19.0 MB in the beginning and 18.6 MB in the end (delta: 396.7 kB). Peak memory consumption was 396.7 kB. Max. memory is 14.3 GB. [2020-10-20 00:26:51,924 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84 ms. Allocated memory is still 33.0 MB. Free memory was 11.2 MB in the beginning and 11.2 MB in the end (delta: 47.5 kB). Peak memory consumption was 47.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 445.08 ms. Allocated memory was 35.7 MB in the beginning and 44.0 MB in the end (delta: 8.4 MB). Free memory was 17.9 MB in the beginning and 19.9 MB in the end (delta: -2.0 MB). Peak memory consumption was 12.7 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 70.55 ms. Allocated memory is still 44.0 MB. Free memory was 19.9 MB in the beginning and 16.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 65.86 ms. Allocated memory was 44.0 MB in the beginning and 45.1 MB in the end (delta: 1.0 MB). Free memory was 16.3 MB in the beginning and 25.3 MB in the end (delta: -9.0 MB). Peak memory consumption was 5.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 950.86 ms. Allocated memory was 45.1 MB in the beginning and 48.8 MB in the end (delta: 3.7 MB). Free memory was 25.3 MB in the beginning and 13.1 MB in the end (delta: 12.2 MB). Peak memory consumption was 17.1 MB. Max. memory is 14.3 GB. * TraceAbstraction took 717.22 ms. Allocated memory was 48.8 MB in the beginning and 49.8 MB in the end (delta: 1.0 MB). Free memory was 12.4 MB in the beginning and 19.0 MB in the end (delta: -6.7 MB). There was no memory consumed. Max. memory is 14.3 GB. * Witness Printer took 5.05 ms. Allocated memory is still 49.8 MB. Free memory was 19.0 MB in the beginning and 18.6 MB in the end (delta: 396.7 kB). Peak memory consumption was 396.7 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 138, overapproximation of someBinaryArithmeticDOUBLEoperation at line 174, overapproximation of bitwiseAnd at line 156, overapproximation of someBinaryDOUBLEComparisonOperation at line 19. Possible FailurePath: [L21] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L133-L146] static const double one_acos = 1.00000000000000000000e+00, pi = 3.14159265358979311600e+00, pio2_hi_acos = 1.57079632679489655800e+00, pio2_lo_acos = 6.12323399573676603587e-17, pS0_acos = 1.66666666666666657415e-01, pS1_acos = -3.25565818622400915405e-01, pS2_acos = 2.01212532134862925881e-01, pS3_acos = -4.00555345006794114027e-02, pS4_acos = 7.91534994289814532176e-04, pS5_acos = 3.47933107596021167570e-05, qS1_acos = -2.40339491173441421878e+00, qS2_acos = 2.02094576023350569471e+00, qS3_acos = -6.88283971605453293030e-01, qS4_acos = 7.70381505559019352791e-02; VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L226] double x = 0.0 / 0.0; [L149] double z, p, q, r, w, s, c, df; [L150] __int32_t hx, ix; VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L152] ieee_double_shape_type gh_u; [L153] gh_u.value = (x) [L154] EXPR gh_u.parts.msw [L154] (hx) = gh_u.parts.msw [L156] ix = hx & 0x7fffffff VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L157] COND FALSE !(ix >= 0x3ff00000) VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L172] COND TRUE ix < 0x3fe00000 VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L173] COND TRUE ix <= 0x3c600000 [L174] return pio2_hi_acos + pio2_lo_acos; VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L227] double res = __ieee754_acos(x); [L19] return x != x; VAL [one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L230] COND TRUE !isnan_double(res) [L3] __assert_fail("0", "double_req_bl_0470.c", 3, "reach_error") VAL [one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 105 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 149 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: 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 0.1.25-9a8b2e8 [2020-10-20 00:26:54,257 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-10-20 00:26:54,376 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:26:54,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:26:54,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:26:54,378 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:26:54,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:26:54,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:26:54,383 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:26:54,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:26:54,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:26:54,387 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:26:54,388 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:26:54,389 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 00:26:54,429 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:26:54,429 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:26:54,431 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:26:54,432 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:26:54,432 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:26:54,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:26:54,432 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:26:54,433 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:26:54,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:26:54,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:26:54,434 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:26:54,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:26:54,434 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 00:26:54,435 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 00:26:54,435 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:26:54,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:26:54,435 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:26:54,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:26:54,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:26:54,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:26:54,437 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:26:54,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:26:54,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:26:54,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:26:54,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:26:54,437 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:26:54,438 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 00:26:54,438 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 00:26:54,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:26:54,438 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:26:54,438 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 00:26:54,439 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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(reach_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 -> 9ff7db1eeded42846704563d91b80b24f7e19034 [2020-10-20 00:26:54,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:26:54,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:26:54,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:26:54,719 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:26:54,720 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:26:54,720 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0470.c [2020-10-20 00:26:54,810 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10e15bbac/cdd88dab3e0144c5b8408a0111a728ce/FLAG6d458205f [2020-10-20 00:26:55,372 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:26:55,372 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0470.c [2020-10-20 00:26:55,381 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10e15bbac/cdd88dab3e0144c5b8408a0111a728ce/FLAG6d458205f [2020-10-20 00:26:55,733 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10e15bbac/cdd88dab3e0144c5b8408a0111a728ce [2020-10-20 00:26:55,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:26:55,745 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:26:55,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:26:55,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:26:55,751 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:26:55,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:26:55" (1/1) ... [2020-10-20 00:26:55,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30ffc03a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:55, skipping insertion in model container [2020-10-20 00:26:55,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:26:55" (1/1) ... [2020-10-20 00:26:55,765 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:26:55,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:26:56,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:26:56,084 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:26:56,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:26:56,176 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:26:56,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:56 WrapperNode [2020-10-20 00:26:56,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:26:56,178 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:26:56,185 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:26:56,185 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:26:56,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:56" (1/1) ... [2020-10-20 00:26:56,209 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:56" (1/1) ... [2020-10-20 00:26:56,255 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:26:56,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:26:56,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:26:56,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:26:56,272 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:56" (1/1) ... [2020-10-20 00:26:56,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:56" (1/1) ... [2020-10-20 00:26:56,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:56" (1/1) ... [2020-10-20 00:26:56,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:56" (1/1) ... [2020-10-20 00:26:56,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:56" (1/1) ... [2020-10-20 00:26:56,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:56" (1/1) ... [2020-10-20 00:26:56,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:56" (1/1) ... [2020-10-20 00:26:56,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:26:56,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:26:56,331 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:26:56,331 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:26:56,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:56" (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 [2020-10-20 00:26:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-20 00:26:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-20 00:26:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 00:26:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:26:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 00:26:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:26:56,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:26:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 00:26:56,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:27:18,859 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:27:18,859 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-10-20 00:27:18,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:27:18 BoogieIcfgContainer [2020-10-20 00:27:18,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:27:18,868 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:27:18,868 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:27:18,871 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:27:18,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:26:55" (1/3) ... [2020-10-20 00:27:18,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bc0864f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:27:18, skipping insertion in model container [2020-10-20 00:27:18,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:26:56" (2/3) ... [2020-10-20 00:27:18,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bc0864f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:27:18, skipping insertion in model container [2020-10-20 00:27:18,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:27:18" (3/3) ... [2020-10-20 00:27:18,877 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0470.c [2020-10-20 00:27:18,890 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:27:18,899 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:27:18,910 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:27:18,934 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:27:18,934 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:27:18,934 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:27:18,934 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:27:18,935 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:27:18,935 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:27:18,935 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:27:18,935 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:27:18,951 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2020-10-20 00:27:18,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 00:27:18,957 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:27:18,958 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:27:18,959 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:27:18,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:27:18,966 INFO L82 PathProgramCache]: Analyzing trace with hash 2057048347, now seen corresponding path program 1 times [2020-10-20 00:27:18,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:27:18,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1792242784] [2020-10-20 00:27:18,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-10-20 00:27:19,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:27:19,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-20 00:27:19,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:27:19,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:27:19,961 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:27:19,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:27:19,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1792242784] [2020-10-20 00:27:19,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:27:19,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 00:27:19,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718106277] [2020-10-20 00:27:19,974 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:27:19,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:27:19,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:27:19,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:27:19,987 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 2 states. [2020-10-20 00:27:20,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:27:20,018 INFO L93 Difference]: Finished difference Result 207 states and 343 transitions. [2020-10-20 00:27:20,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:27:20,019 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-20 00:27:20,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:27:20,045 INFO L225 Difference]: With dead ends: 207 [2020-10-20 00:27:20,046 INFO L226 Difference]: Without dead ends: 101 [2020-10-20 00:27:20,050 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:27:20,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-10-20 00:27:20,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-10-20 00:27:20,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-10-20 00:27:20,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 146 transitions. [2020-10-20 00:27:20,096 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 146 transitions. Word has length 11 [2020-10-20 00:27:20,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:27:20,097 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 146 transitions. [2020-10-20 00:27:20,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:27:20,097 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 146 transitions. [2020-10-20 00:27:20,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-20 00:27:20,098 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:27:20,099 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:27:20,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 00:27:20,300 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:27:20,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:27:20,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1327291576, now seen corresponding path program 1 times [2020-10-20 00:27:20,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:27:20,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2059365196] [2020-10-20 00:27:20,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-20 00:27:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:27:20,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-20 00:27:20,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:27:20,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:27:20,767 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:27:20,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:27:20,919 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2059365196] [2020-10-20 00:27:20,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:27:20,920 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-10-20 00:27:20,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254935818] [2020-10-20 00:27:20,922 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 00:27:20,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:27:20,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 00:27:20,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-20 00:27:20,923 INFO L87 Difference]: Start difference. First operand 101 states and 146 transitions. Second operand 8 states. [2020-10-20 00:27:24,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:27:24,005 INFO L93 Difference]: Finished difference Result 106 states and 150 transitions. [2020-10-20 00:27:24,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 00:27:24,391 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2020-10-20 00:27:24,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:27:24,392 INFO L225 Difference]: With dead ends: 106 [2020-10-20 00:27:24,392 INFO L226 Difference]: Without dead ends: 14 [2020-10-20 00:27:24,393 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-20 00:27:24,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-10-20 00:27:24,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-10-20 00:27:24,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-20 00:27:24,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2020-10-20 00:27:24,397 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 12 [2020-10-20 00:27:24,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:27:24,398 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2020-10-20 00:27:24,398 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 00:27:24,398 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2020-10-20 00:27:24,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-20 00:27:24,399 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:27:24,399 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:27:24,613 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 00:27:24,614 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:27:24,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:27:24,615 INFO L82 PathProgramCache]: Analyzing trace with hash -1300627107, now seen corresponding path program 1 times [2020-10-20 00:27:24,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:27:24,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1546870837] [2020-10-20 00:27:24,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-20 00:27:25,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:27:25,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-20 00:27:25,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:27:25,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:27:25,602 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:27:28,083 WARN L838 $PredicateComparison]: unable to prove that (= (let ((.cse0 (fp.sub c_currentRoundingMode c_ULTIMATE.start___ieee754_acos_~x c_ULTIMATE.start___ieee754_acos_~x))) (fp.div c_currentRoundingMode .cse0 .cse0)) (let ((.cse1 (let ((.cse2 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse2 .cse2)))) (fp.div roundNearestTiesToEven .cse1 .cse1))) is different from false [2020-10-20 00:27:29,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:27:29,269 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1546870837] [2020-10-20 00:27:29,269 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:27:29,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 9 [2020-10-20 00:27:29,269 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450175546] [2020-10-20 00:27:29,270 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-20 00:27:29,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:27:29,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-20 00:27:29,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-20 00:27:29,271 INFO L87 Difference]: Start difference. First operand 14 states and 13 transitions. Second operand 9 states. [2020-10-20 00:27:31,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:27:31,421 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2020-10-20 00:27:31,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 00:27:31,422 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 13 [2020-10-20 00:27:31,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:27:31,422 INFO L225 Difference]: With dead ends: 14 [2020-10-20 00:27:31,422 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 00:27:31,423 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-20 00:27:31,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 00:27:31,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 00:27:31,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 00:27:31,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 00:27:31,424 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-10-20 00:27:31,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:27:31,424 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 00:27:31,424 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-20 00:27:31,424 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 00:27:31,424 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 00:27:31,625 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-20 00:27:31,628 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 00:27:31,903 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2020-10-20 00:27:32,015 INFO L274 CegarLoopResult]: For program point L184(lines 184 216) no Hoare annotation was computed. [2020-10-20 00:27:32,015 INFO L274 CegarLoopResult]: For program point L151-1(lines 151 155) no Hoare annotation was computed. [2020-10-20 00:27:32,016 INFO L270 CegarLoopResult]: At program point L151-2(lines 151 155) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) ULTIMATE.start___ieee754_acos_~x)) [2020-10-20 00:27:32,016 INFO L274 CegarLoopResult]: For program point L151-3(lines 151 155) no Hoare annotation was computed. [2020-10-20 00:27:32,016 INFO L270 CegarLoopResult]: At program point L19(line 19) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= |ULTIMATE.start___ieee754_acos_#res| (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) ULTIMATE.start___ieee754_acos_~x) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|)) [2020-10-20 00:27:32,016 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 00:27:32,016 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 00:27:32,017 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 00:27:32,017 INFO L270 CegarLoopResult]: At program point L86-2(lines 86 102) the Hoare annotation is: false [2020-10-20 00:27:32,017 INFO L274 CegarLoopResult]: For program point L86-3(lines 23 131) no Hoare annotation was computed. [2020-10-20 00:27:32,017 INFO L270 CegarLoopResult]: At program point L86-6(lines 86 102) the Hoare annotation is: false [2020-10-20 00:27:32,017 INFO L274 CegarLoopResult]: For program point L86-7(lines 23 131) no Hoare annotation was computed. [2020-10-20 00:27:32,018 INFO L277 CegarLoopResult]: At program point L235(lines 219 236) the Hoare annotation is: true [2020-10-20 00:27:32,018 INFO L274 CegarLoopResult]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2020-10-20 00:27:32,020 INFO L270 CegarLoopResult]: At program point L54-3(lines 54 55) the Hoare annotation is: false [2020-10-20 00:27:32,020 INFO L274 CegarLoopResult]: For program point L54-4(lines 54 55) no Hoare annotation was computed. [2020-10-20 00:27:32,021 INFO L274 CegarLoopResult]: For program point L54-7(lines 54 55) no Hoare annotation was computed. [2020-10-20 00:27:32,021 INFO L270 CegarLoopResult]: At program point L54-8(lines 54 55) the Hoare annotation is: false [2020-10-20 00:27:32,021 INFO L274 CegarLoopResult]: For program point L54-9(lines 54 55) no Hoare annotation was computed. [2020-10-20 00:27:32,021 INFO L274 CegarLoopResult]: For program point L104(lines 104 118) no Hoare annotation was computed. [2020-10-20 00:27:32,021 INFO L274 CegarLoopResult]: For program point L104-1(lines 104 118) no Hoare annotation was computed. [2020-10-20 00:27:32,021 INFO L274 CegarLoopResult]: For program point L121(lines 121 122) no Hoare annotation was computed. [2020-10-20 00:27:32,021 INFO L274 CegarLoopResult]: For program point L121-2(lines 121 122) no Hoare annotation was computed. [2020-10-20 00:27:32,022 INFO L274 CegarLoopResult]: For program point L121-3(lines 121 122) no Hoare annotation was computed. [2020-10-20 00:27:32,022 INFO L274 CegarLoopResult]: For program point L121-5(lines 121 122) no Hoare annotation was computed. [2020-10-20 00:27:32,022 INFO L274 CegarLoopResult]: For program point L89(lines 89 98) no Hoare annotation was computed. [2020-10-20 00:27:32,022 INFO L274 CegarLoopResult]: For program point L89-2(lines 89 98) no Hoare annotation was computed. [2020-10-20 00:27:32,022 INFO L274 CegarLoopResult]: For program point L89-3(lines 89 98) no Hoare annotation was computed. [2020-10-20 00:27:32,022 INFO L274 CegarLoopResult]: For program point L89-5(lines 89 98) no Hoare annotation was computed. [2020-10-20 00:27:32,022 INFO L274 CegarLoopResult]: For program point L172(lines 172 216) no Hoare annotation was computed. [2020-10-20 00:27:32,023 INFO L274 CegarLoopResult]: For program point L106(lines 106 117) no Hoare annotation was computed. [2020-10-20 00:27:32,023 INFO L274 CegarLoopResult]: For program point L40(lines 40 45) no Hoare annotation was computed. [2020-10-20 00:27:32,023 INFO L274 CegarLoopResult]: For program point L106-2(lines 106 117) no Hoare annotation was computed. [2020-10-20 00:27:32,023 INFO L270 CegarLoopResult]: At program point L73-2(lines 73 83) the Hoare annotation is: false [2020-10-20 00:27:32,023 INFO L274 CegarLoopResult]: For program point L40-2(lines 40 45) no Hoare annotation was computed. [2020-10-20 00:27:32,023 INFO L274 CegarLoopResult]: For program point L73-3(lines 73 83) no Hoare annotation was computed. [2020-10-20 00:27:32,023 INFO L274 CegarLoopResult]: For program point L40-3(lines 40 45) no Hoare annotation was computed. [2020-10-20 00:27:32,024 INFO L274 CegarLoopResult]: For program point L40-5(lines 40 45) no Hoare annotation was computed. [2020-10-20 00:27:32,026 INFO L270 CegarLoopResult]: At program point L73-6(lines 73 83) the Hoare annotation is: false [2020-10-20 00:27:32,026 INFO L274 CegarLoopResult]: For program point L73-7(lines 73 83) no Hoare annotation was computed. [2020-10-20 00:27:32,026 INFO L274 CegarLoopResult]: For program point L173(lines 173 174) no Hoare annotation was computed. [2020-10-20 00:27:32,026 INFO L274 CegarLoopResult]: For program point L41(lines 41 44) no Hoare annotation was computed. [2020-10-20 00:27:32,026 INFO L274 CegarLoopResult]: For program point L41-1(lines 41 44) no Hoare annotation was computed. [2020-10-20 00:27:32,027 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 00:27:32,027 INFO L274 CegarLoopResult]: For program point L157(lines 157 171) no Hoare annotation was computed. [2020-10-20 00:27:32,029 INFO L274 CegarLoopResult]: For program point L91(lines 91 92) no Hoare annotation was computed. [2020-10-20 00:27:32,029 INFO L274 CegarLoopResult]: For program point L124-1(lines 124 129) no Hoare annotation was computed. [2020-10-20 00:27:32,029 INFO L270 CegarLoopResult]: At program point L124-2(lines 124 129) the Hoare annotation is: false [2020-10-20 00:27:32,029 INFO L274 CegarLoopResult]: For program point L91-2(lines 91 92) no Hoare annotation was computed. [2020-10-20 00:27:32,030 INFO L274 CegarLoopResult]: For program point L124-3(lines 124 129) no Hoare annotation was computed. [2020-10-20 00:27:32,030 INFO L274 CegarLoopResult]: For program point L91-3(lines 91 92) no Hoare annotation was computed. [2020-10-20 00:27:32,030 INFO L274 CegarLoopResult]: For program point L124-5(lines 124 129) no Hoare annotation was computed. [2020-10-20 00:27:32,030 INFO L274 CegarLoopResult]: For program point L91-5(lines 91 92) no Hoare annotation was computed. [2020-10-20 00:27:32,030 INFO L270 CegarLoopResult]: At program point L124-6(lines 124 129) the Hoare annotation is: false [2020-10-20 00:27:32,030 INFO L274 CegarLoopResult]: For program point L124-7(lines 124 129) no Hoare annotation was computed. [2020-10-20 00:27:32,031 INFO L274 CegarLoopResult]: For program point L108(lines 108 116) no Hoare annotation was computed. [2020-10-20 00:27:32,031 INFO L274 CegarLoopResult]: For program point L75(lines 75 79) no Hoare annotation was computed. [2020-10-20 00:27:32,031 INFO L274 CegarLoopResult]: For program point L108-2(lines 108 116) no Hoare annotation was computed. [2020-10-20 00:27:32,031 INFO L274 CegarLoopResult]: For program point L75-2(lines 75 79) no Hoare annotation was computed. [2020-10-20 00:27:32,031 INFO L274 CegarLoopResult]: For program point L75-3(lines 75 79) no Hoare annotation was computed. [2020-10-20 00:27:32,031 INFO L274 CegarLoopResult]: For program point L75-5(lines 75 79) no Hoare annotation was computed. [2020-10-20 00:27:32,031 INFO L274 CegarLoopResult]: For program point L43(lines 43 44) no Hoare annotation was computed. [2020-10-20 00:27:32,032 INFO L274 CegarLoopResult]: For program point L43-1(lines 43 44) no Hoare annotation was computed. [2020-10-20 00:27:32,032 INFO L274 CegarLoopResult]: For program point L159-1(lines 159 163) no Hoare annotation was computed. [2020-10-20 00:27:32,032 INFO L270 CegarLoopResult]: At program point L159-2(lines 159 163) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_11| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_11|))) (= (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_11|)) ULTIMATE.start___ieee754_acos_~ix~0))) (= currentRoundingMode roundNearestTiesToEven) (exists ((|v_skolemized_q#valueAsBitvector_11| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_11|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_11|) ULTIMATE.start___ieee754_acos_~hx~0))) (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) ULTIMATE.start___ieee754_acos_~x)) [2020-10-20 00:27:32,032 INFO L274 CegarLoopResult]: For program point L159-3(lines 157 171) no Hoare annotation was computed. [2020-10-20 00:27:32,032 INFO L274 CegarLoopResult]: For program point L94(lines 94 95) no Hoare annotation was computed. [2020-10-20 00:27:32,033 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 00:27:32,033 INFO L274 CegarLoopResult]: For program point L94-2(lines 94 95) no Hoare annotation was computed. [2020-10-20 00:27:32,033 INFO L274 CegarLoopResult]: For program point L94-3(lines 94 95) no Hoare annotation was computed. [2020-10-20 00:27:32,033 INFO L274 CegarLoopResult]: For program point L94-5(lines 94 95) no Hoare annotation was computed. [2020-10-20 00:27:32,033 INFO L274 CegarLoopResult]: For program point L111(lines 111 116) no Hoare annotation was computed. [2020-10-20 00:27:32,033 INFO L274 CegarLoopResult]: For program point L111-3(lines 111 116) no Hoare annotation was computed. [2020-10-20 00:27:32,033 INFO L274 CegarLoopResult]: For program point L62(lines 62 65) no Hoare annotation was computed. [2020-10-20 00:27:32,033 INFO L274 CegarLoopResult]: For program point L29-1(lines 29 34) no Hoare annotation was computed. [2020-10-20 00:27:32,034 INFO L274 CegarLoopResult]: For program point L62-2(lines 62 65) no Hoare annotation was computed. [2020-10-20 00:27:32,034 INFO L270 CegarLoopResult]: At program point L29-2(lines 29 34) the Hoare annotation is: false [2020-10-20 00:27:32,034 INFO L274 CegarLoopResult]: For program point L62-3(lines 62 65) no Hoare annotation was computed. [2020-10-20 00:27:32,039 INFO L274 CegarLoopResult]: For program point L29-3(lines 23 131) no Hoare annotation was computed. [2020-10-20 00:27:32,039 INFO L274 CegarLoopResult]: For program point L62-5(lines 62 65) no Hoare annotation was computed. [2020-10-20 00:27:32,040 INFO L274 CegarLoopResult]: For program point L29-5(lines 29 34) no Hoare annotation was computed. [2020-10-20 00:27:32,040 INFO L270 CegarLoopResult]: At program point L29-6(lines 29 34) the Hoare annotation is: false [2020-10-20 00:27:32,040 INFO L274 CegarLoopResult]: For program point L29-7(lines 23 131) no Hoare annotation was computed. [2020-10-20 00:27:32,040 INFO L274 CegarLoopResult]: For program point L112(lines 112 113) no Hoare annotation was computed. [2020-10-20 00:27:32,040 INFO L274 CegarLoopResult]: For program point L112-2(lines 112 113) no Hoare annotation was computed. [2020-10-20 00:27:32,041 INFO L274 CegarLoopResult]: For program point L112-3(lines 112 113) no Hoare annotation was computed. [2020-10-20 00:27:32,041 INFO L274 CegarLoopResult]: For program point L112-5(lines 112 113) no Hoare annotation was computed. [2020-10-20 00:27:32,041 INFO L270 CegarLoopResult]: At program point L130(lines 23 131) the Hoare annotation is: false [2020-10-20 00:27:32,041 INFO L270 CegarLoopResult]: At program point L130-1(lines 23 131) the Hoare annotation is: false [2020-10-20 00:27:32,041 INFO L274 CegarLoopResult]: For program point L48(lines 48 59) no Hoare annotation was computed. [2020-10-20 00:27:32,041 INFO L274 CegarLoopResult]: For program point L48-2(lines 48 59) no Hoare annotation was computed. [2020-10-20 00:27:32,041 INFO L274 CegarLoopResult]: For program point L48-3(lines 48 59) no Hoare annotation was computed. [2020-10-20 00:27:32,042 INFO L274 CegarLoopResult]: For program point L48-5(lines 48 59) no Hoare annotation was computed. [2020-10-20 00:27:32,042 INFO L274 CegarLoopResult]: For program point L230(lines 230 233) no Hoare annotation was computed. [2020-10-20 00:27:32,042 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 00:27:32,042 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 00:27:32,042 INFO L270 CegarLoopResult]: At program point L49-2(lines 49 53) the Hoare annotation is: false [2020-10-20 00:27:32,042 INFO L274 CegarLoopResult]: For program point L49-3(lines 49 53) no Hoare annotation was computed. [2020-10-20 00:27:32,042 INFO L270 CegarLoopResult]: At program point L49-6(lines 49 53) the Hoare annotation is: false [2020-10-20 00:27:32,050 INFO L274 CegarLoopResult]: For program point L49-7(lines 49 53) no Hoare annotation was computed. [2020-10-20 00:27:32,050 INFO L274 CegarLoopResult]: For program point L165(lines 165 168) no Hoare annotation was computed. [2020-10-20 00:27:32,050 INFO L270 CegarLoopResult]: At program point L215(lines 148 217) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= |ULTIMATE.start___ieee754_acos_#res| (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) ULTIMATE.start___ieee754_acos_~x)) [2020-10-20 00:27:32,051 INFO L274 CegarLoopResult]: For program point L200-1(lines 200 205) no Hoare annotation was computed. [2020-10-20 00:27:32,051 INFO L270 CegarLoopResult]: At program point L200-2(lines 200 205) the Hoare annotation is: false [2020-10-20 00:27:32,051 INFO L274 CegarLoopResult]: For program point L200-3(lines 200 205) no Hoare annotation was computed. [2020-10-20 00:27:32,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:27:32,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-10-20 00:27:32,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-10-20 00:27:32,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-10-20 00:27:32,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-10-20 00:27:32,075 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:27:32,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-10-20 00:27:32,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-10-20 00:27:32,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-10-20 00:27:32,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-10-20 00:27:32,078 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:27:32,079 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:27:32,083 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:27:32,084 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-10-20 00:27:32,084 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-10-20 00:27:32,084 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-10-20 00:27:32,084 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-10-20 00:27:32,085 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,085 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:27:32,086 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-10-20 00:27:32,086 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-10-20 00:27:32,086 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-10-20 00:27:32,086 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-10-20 00:27:32,087 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:27:32,088 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:27:32,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,104 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,105 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,105 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,105 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,106 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,107 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,107 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,107 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:27:32,108 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:27:32,109 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,109 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,109 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,109 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,110 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,110 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,110 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,110 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:27:32,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:27:32,112 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,112 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:27:32,112 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:27:32,113 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,113 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:27:32,114 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:27:32,115 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,115 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,115 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,115 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,115 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,116 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,116 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,116 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,122 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:27:32,122 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:27:32,131 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,131 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,132 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,132 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,132 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,132 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,133 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,133 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,133 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:27:32,133 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:27:32,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:27:32 BoogieIcfgContainer [2020-10-20 00:27:32,137 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:27:32,138 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:27:32,138 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:27:32,138 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:27:32,139 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:27:18" (3/4) ... [2020-10-20 00:27:32,143 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 00:27:32,179 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2020-10-20 00:27:32,180 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-10-20 00:27:32,181 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 00:27:32,182 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 00:27:32,221 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_skolemized_q#valueAsBitvector_11 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_11[63:63], v_skolemized_q#valueAsBitvector_11[62:52], v_skolemized_q#valueAsBitvector_11[51:0]) && ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_11[63:32]) == ix) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_skolemized_q#valueAsBitvector_11 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_11[63:63], v_skolemized_q#valueAsBitvector_11[62:52], v_skolemized_q#valueAsBitvector_11[51:0]) && v_skolemized_q#valueAsBitvector_11[63:32] == hx)) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x [2020-10-20 00:27:32,222 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())))) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x [2020-10-20 00:27:32,224 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())))) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) && 1bv32 == \result [2020-10-20 00:27:32,333 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 00:27:32,334 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:27:32,335 INFO L168 Benchmark]: Toolchain (without parser) took 36597.01 ms. Allocated memory was 40.9 MB in the beginning and 51.9 MB in the end (delta: 11.0 MB). Free memory was 18.6 MB in the beginning and 14.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:27:32,336 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 31.5 MB. Free memory was 7.7 MB in the beginning and 7.6 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. [2020-10-20 00:27:32,337 INFO L168 Benchmark]: CACSL2BoogieTranslator took 431.84 ms. Allocated memory was 40.9 MB in the beginning and 41.9 MB in the end (delta: 1.0 MB). Free memory was 17.8 MB in the beginning and 9.9 MB in the end (delta: 7.9 MB). Peak memory consumption was 9.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:27:32,337 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.74 ms. Allocated memory was 41.9 MB in the beginning and 43.0 MB in the end (delta: 1.0 MB). Free memory was 9.9 MB in the beginning and 23.2 MB in the end (delta: -13.4 MB). Peak memory consumption was 17.5 kB. Max. memory is 14.3 GB. [2020-10-20 00:27:32,338 INFO L168 Benchmark]: Boogie Preprocessor took 75.43 ms. Allocated memory is still 43.0 MB. Free memory was 23.2 MB in the beginning and 20.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:27:32,338 INFO L168 Benchmark]: RCFGBuilder took 22535.50 ms. Allocated memory was 43.0 MB in the beginning and 45.6 MB in the end (delta: 2.6 MB). Free memory was 20.1 MB in the beginning and 17.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 12.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:27:32,339 INFO L168 Benchmark]: TraceAbstraction took 13269.66 ms. Allocated memory was 45.6 MB in the beginning and 51.9 MB in the end (delta: 6.3 MB). Free memory was 17.2 MB in the beginning and 27.5 MB in the end (delta: -10.3 MB). Peak memory consumption was 10.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:27:32,339 INFO L168 Benchmark]: Witness Printer took 196.29 ms. Allocated memory is still 51.9 MB. Free memory was 27.5 MB in the beginning and 14.7 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:27:32,343 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 31.5 MB. Free memory was 7.7 MB in the beginning and 7.6 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 431.84 ms. Allocated memory was 40.9 MB in the beginning and 41.9 MB in the end (delta: 1.0 MB). Free memory was 17.8 MB in the beginning and 9.9 MB in the end (delta: 7.9 MB). Peak memory consumption was 9.0 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 76.74 ms. Allocated memory was 41.9 MB in the beginning and 43.0 MB in the end (delta: 1.0 MB). Free memory was 9.9 MB in the beginning and 23.2 MB in the end (delta: -13.4 MB). Peak memory consumption was 17.5 kB. Max. memory is 14.3 GB. * Boogie Preprocessor took 75.43 ms. Allocated memory is still 43.0 MB. Free memory was 23.2 MB in the beginning and 20.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 22535.50 ms. Allocated memory was 43.0 MB in the beginning and 45.6 MB in the end (delta: 2.6 MB). Free memory was 20.1 MB in the beginning and 17.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 12.9 MB. Max. memory is 14.3 GB. * TraceAbstraction took 13269.66 ms. Allocated memory was 45.6 MB in the beginning and 51.9 MB in the end (delta: 6.3 MB). Free memory was 17.2 MB in the beginning and 27.5 MB in the end (delta: -10.3 MB). Peak memory consumption was 10.7 MB. Max. memory is 14.3 GB. * Witness Printer took 196.29 ms. Allocated memory is still 51.9 MB. Free memory was 27.5 MB in the beginning and 14.7 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: 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: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant [2020-10-20 00:27:32,362 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:27:32,362 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-10-20 00:27:32,363 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-10-20 00:27:32,363 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-10-20 00:27:32,363 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-10-20 00:27:32,363 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,364 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:27:32,364 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-10-20 00:27:32,364 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-10-20 00:27:32,364 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-10-20 00:27:32,379 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-10-20 00:27:32,380 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:27:32,380 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:27:32,380 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:27:32,382 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-10-20 00:27:32,382 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-10-20 00:27:32,382 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-10-20 00:27:32,383 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-10-20 00:27:32,383 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,383 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:27:32,383 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-10-20 00:27:32,383 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-10-20 00:27:32,383 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-10-20 00:27:32,384 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2020-10-20 00:27:32,384 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:27:32,386 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((\exists v_skolemized_q#valueAsBitvector_11 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_11[63:63], v_skolemized_q#valueAsBitvector_11[62:52], v_skolemized_q#valueAsBitvector_11[51:0]) && ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_11[63:32]) == ix) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_skolemized_q#valueAsBitvector_11 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_11[63:63], v_skolemized_q#valueAsBitvector_11[62:52], v_skolemized_q#valueAsBitvector_11[51:0]) && v_skolemized_q#valueAsBitvector_11[63:32] == hx)) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 19]: Loop Invariant [2020-10-20 00:27:32,387 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,387 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,387 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,387 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,387 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,388 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,388 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,388 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,388 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:27:32,388 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:27:32,389 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,389 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,389 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,389 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,389 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,390 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,390 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,390 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,390 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:27:32,390 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())))) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) && 1bv32 == \result - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant [2020-10-20 00:27:32,391 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,391 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:27:32,391 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:27:32,391 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,392 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:27:32,392 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant [2020-10-20 00:27:32,392 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,392 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,393 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,393 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,393 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,393 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,393 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,393 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,394 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:27:32,394 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:27:32,394 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,394 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,394 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,395 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,395 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,395 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,395 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,395 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-20 00:27:32,395 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-20 00:27:32,396 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())))) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 105 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 162 SDtfs, 29 SDslu, 46 SDs, 0 SdLazy, 31 SolverSat, 1 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 51 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 20 PreInvPairs, 25 NumberOfFragments, 145 HoareAnnotationTreeSize, 20 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 14 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 66 ConstructedInterpolants, 5 QuantifiedInterpolants, 3128 SizeOfPredicates, 17 NumberOfNonLiveVariables, 192 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...