./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0480.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0480.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d52986c59e68ce8d16e7f783a8a5ec11939c887c ..................................................................................................................................................................................................................................................................................................... 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 -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0480.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d52986c59e68ce8d16e7f783a8a5ec11939c887c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:40:58,240 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:40:58,242 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:40:58,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:40:58,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:40:58,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:40:58,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:40:58,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:40:58,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:40:58,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:40:58,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:40:58,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:40:58,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:40:58,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:40:58,289 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:40:58,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:40:58,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:40:58,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:40:58,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:40:58,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:40:58,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:40:58,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:40:58,310 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:40:58,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:40:58,315 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:40:58,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:40:58,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:40:58,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:40:58,319 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:40:58,320 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:40:58,320 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:40:58,321 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:40:58,322 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:40:58,323 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:40:58,325 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:40:58,325 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:40:58,326 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:40:58,326 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:40:58,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:40:58,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:40:58,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:40:58,331 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 23:40:58,363 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:40:58,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:40:58,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:40:58,369 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:40:58,370 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:40:58,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:40:58,370 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:40:58,371 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 23:40:58,371 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:40:58,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:40:58,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:40:58,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:40:58,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:40:58,372 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:40:58,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:40:58,373 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:40:58,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:40:58,373 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:40:58,373 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:40:58,374 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:40:58,374 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:40:58,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:40:58,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:40:58,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:40:58,375 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:40:58,376 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 23:40:58,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 23:40:58,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:40:58,376 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d52986c59e68ce8d16e7f783a8a5ec11939c887c [2019-11-27 23:40:58,675 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:40:58,694 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:40:58,698 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:40:58,699 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:40:58,699 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:40:58,701 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2019-11-27 23:40:58,772 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e01d10200/397658a260a9418cacf6786fc60e571c/FLAG2a33b0cf8 [2019-11-27 23:40:59,244 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:40:59,245 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2019-11-27 23:40:59,258 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e01d10200/397658a260a9418cacf6786fc60e571c/FLAG2a33b0cf8 [2019-11-27 23:40:59,594 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e01d10200/397658a260a9418cacf6786fc60e571c [2019-11-27 23:40:59,598 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:40:59,600 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:40:59,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:40:59,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:40:59,605 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:40:59,606 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:40:59" (1/1) ... [2019-11-27 23:40:59,609 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77d13ee5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:40:59, skipping insertion in model container [2019-11-27 23:40:59,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:40:59" (1/1) ... [2019-11-27 23:40:59,617 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:40:59,645 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:40:59,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:40:59,900 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:41:00,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:41:00,044 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:41:00,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:41:00 WrapperNode [2019-11-27 23:41:00,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:41:00,046 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:41:00,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:41:00,046 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:41:00,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:41:00" (1/1) ... [2019-11-27 23:41:00,068 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:41:00" (1/1) ... [2019-11-27 23:41:00,117 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:41:00,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:41:00,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:41:00,118 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:41:00,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:41:00" (1/1) ... [2019-11-27 23:41:00,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:41:00" (1/1) ... [2019-11-27 23:41:00,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:41:00" (1/1) ... [2019-11-27 23:41:00,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:41:00" (1/1) ... [2019-11-27 23:41:00,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:41:00" (1/1) ... [2019-11-27 23:41:00,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:41:00" (1/1) ... [2019-11-27 23:41:00,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:41:00" (1/1) ... [2019-11-27 23:41:00,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:41:00,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:41:00,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:41:00,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:41:00,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:41:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:41:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-27 23:41:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-27 23:41:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-27 23:41:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-27 23:41:00,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:41:00,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:41:00,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-27 23:41:00,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-27 23:41:01,222 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:41:01,223 INFO L297 CfgBuilder]: Removed 36 assume(true) statements. [2019-11-27 23:41:01,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:41:01 BoogieIcfgContainer [2019-11-27 23:41:01,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:41:01,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:41:01,226 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:41:01,229 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:41:01,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:40:59" (1/3) ... [2019-11-27 23:41:01,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@148d4cf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:41:01, skipping insertion in model container [2019-11-27 23:41:01,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:41:00" (2/3) ... [2019-11-27 23:41:01,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@148d4cf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:41:01, skipping insertion in model container [2019-11-27 23:41:01,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:41:01" (3/3) ... [2019-11-27 23:41:01,233 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0480.c [2019-11-27 23:41:01,240 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:41:01,247 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:41:01,260 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:41:01,281 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:41:01,281 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:41:01,281 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:41:01,281 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:41:01,282 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:41:01,282 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:41:01,282 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:41:01,282 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:41:01,298 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2019-11-27 23:41:01,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-27 23:41:01,304 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:41:01,305 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:41:01,305 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:41:01,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:41:01,311 INFO L82 PathProgramCache]: Analyzing trace with hash 2057066253, now seen corresponding path program 1 times [2019-11-27 23:41:01,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:41:01,321 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282548990] [2019-11-27 23:41:01,321 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:41:01,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:41:01,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:41:01,443 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282548990] [2019-11-27 23:41:01,444 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:41:01,444 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-27 23:41:01,445 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104934631] [2019-11-27 23:41:01,450 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-27 23:41:01,451 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:41:01,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-27 23:41:01,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:41:01,468 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 2 states. [2019-11-27 23:41:01,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:41:01,504 INFO L93 Difference]: Finished difference Result 214 states and 356 transitions. [2019-11-27 23:41:01,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-27 23:41:01,506 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-27 23:41:01,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:41:01,521 INFO L225 Difference]: With dead ends: 214 [2019-11-27 23:41:01,521 INFO L226 Difference]: Without dead ends: 105 [2019-11-27 23:41:01,525 INFO L630 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 [2019-11-27 23:41:01,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-11-27 23:41:01,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2019-11-27 23:41:01,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-11-27 23:41:01,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 151 transitions. [2019-11-27 23:41:01,577 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 151 transitions. Word has length 11 [2019-11-27 23:41:01,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:41:01,578 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 151 transitions. [2019-11-27 23:41:01,578 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-27 23:41:01,578 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions. [2019-11-27 23:41:01,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-27 23:41:01,579 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:41:01,579 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:41:01,580 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:41:01,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:41:01,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1327273670, now seen corresponding path program 1 times [2019-11-27 23:41:01,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:41:01,581 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593608235] [2019-11-27 23:41:01,581 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:41:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 23:41:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 23:41:01,709 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-27 23:41:01,709 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-27 23:41:01,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:41:01 BoogieIcfgContainer [2019-11-27 23:41:01,757 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:41:01,757 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:41:01,757 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:41:01,757 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:41:01,758 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:41:01" (3/4) ... [2019-11-27 23:41:01,763 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-27 23:41:01,763 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:41:01,767 INFO L168 Benchmark]: Toolchain (without parser) took 2165.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 961.7 MB in the beginning and 1.0 GB in the end (delta: -47.7 MB). Peak memory consumption was 65.5 MB. Max. memory is 11.5 GB. [2019-11-27 23:41:01,767 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:41:01,769 INFO L168 Benchmark]: CACSL2BoogieTranslator took 444.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -140.9 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2019-11-27 23:41:01,771 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:41:01,771 INFO L168 Benchmark]: Boogie Preprocessor took 59.57 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:41:01,773 INFO L168 Benchmark]: RCFGBuilder took 1046.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.5 MB). Peak memory consumption was 59.5 MB. Max. memory is 11.5 GB. [2019-11-27 23:41:01,773 INFO L168 Benchmark]: TraceAbstraction took 531.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2019-11-27 23:41:01,774 INFO L168 Benchmark]: Witness Printer took 6.68 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:41:01,789 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 444.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -140.9 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.57 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1046.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.5 MB). Peak memory consumption was 59.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 531.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. * Witness Printer took 6.68 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 237]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 145, overapproximation of bitwiseAnd at line 163, overapproximation of someBinaryArithmeticDOUBLEoperation at line 181, overapproximation of someBinaryDOUBLEComparisonOperation at line 236. Possible FailurePath: [L28] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L140-L153] 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=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, 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] [L232] double x = 1.0; [L156] double z, p, q, r, w, s, c, df; [L157] __int32_t hx, ix; VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, 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] [L159] ieee_double_shape_type gh_u; [L160] gh_u.value = (x) [L161] EXPR gh_u.parts.msw [L161] (hx) = gh_u.parts.msw [L163] 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] [L164] COND FALSE !(ix >= 0x3ff00000) VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, 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] [L179] 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] [L180] COND TRUE ix <= 0x3c600000 [L181] return pio2_hi_acos + pio2_lo_acos; VAL [one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, 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] [L233] double res = __ieee754_acos(x); [L236] EXPR res == 0.0 && __signbit_double(res) == 0 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] [L236] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L237] __VERIFIER_error() VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, 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] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 108 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 154 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=108occurred 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, 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 0.1.24-30f4e4a [2019-11-27 23:41:03,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:41:03,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:41:03,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:41:03,856 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:41:03,857 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:41:03,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:41:03,861 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:41:03,863 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:41:03,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:41:03,866 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:41:03,867 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:41:03,867 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:41:03,870 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:41:03,872 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:41:03,873 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:41:03,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:41:03,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:41:03,877 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:41:03,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:41:03,880 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:41:03,881 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:41:03,883 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:41:03,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:41:03,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:41:03,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:41:03,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:41:03,888 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:41:03,889 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:41:03,890 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:41:03,890 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:41:03,891 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:41:03,892 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:41:03,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:41:03,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:41:03,894 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:41:03,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:41:03,895 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:41:03,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:41:03,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:41:03,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:41:03,898 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 23:41:03,914 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:41:03,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:41:03,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:41:03,916 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:41:03,916 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:41:03,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:41:03,916 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:41:03,917 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:41:03,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:41:03,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:41:03,918 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:41:03,918 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:41:03,918 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 23:41:03,918 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 23:41:03,919 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:41:03,919 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:41:03,919 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:41:03,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:41:03,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:41:03,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:41:03,921 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:41:03,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:41:03,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:41:03,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:41:03,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:41:03,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:41:03,922 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 23:41:03,923 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 23:41:03,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:41:03,923 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 23:41:03,923 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d52986c59e68ce8d16e7f783a8a5ec11939c887c [2019-11-27 23:41:04,304 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:41:04,321 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:41:04,325 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:41:04,327 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:41:04,327 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:41:04,329 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2019-11-27 23:41:04,386 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52f4fc9ec/b38b3fdbe0f546e18ea7dba09831a662/FLAG60b4a9769 [2019-11-27 23:41:04,858 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:41:04,859 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2019-11-27 23:41:04,872 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52f4fc9ec/b38b3fdbe0f546e18ea7dba09831a662/FLAG60b4a9769 [2019-11-27 23:41:05,182 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52f4fc9ec/b38b3fdbe0f546e18ea7dba09831a662 [2019-11-27 23:41:05,186 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:41:05,188 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:41:05,189 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:41:05,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:41:05,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:41:05,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:41:05" (1/1) ... [2019-11-27 23:41:05,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47c4fdb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:41:05, skipping insertion in model container [2019-11-27 23:41:05,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:41:05" (1/1) ... [2019-11-27 23:41:05,207 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:41:05,253 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:41:05,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:41:05,648 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:41:05,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:41:05,779 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:41:05,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:41:05 WrapperNode [2019-11-27 23:41:05,780 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:41:05,781 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:41:05,781 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:41:05,781 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:41:05,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:41:05" (1/1) ... [2019-11-27 23:41:05,813 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:41:05" (1/1) ... [2019-11-27 23:41:05,858 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:41:05,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:41:05,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:41:05,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:41:05,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:41:05" (1/1) ... [2019-11-27 23:41:05,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:41:05" (1/1) ... [2019-11-27 23:41:05,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:41:05" (1/1) ... [2019-11-27 23:41:05,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:41:05" (1/1) ... [2019-11-27 23:41:05,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:41:05" (1/1) ... [2019-11-27 23:41:05,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:41:05" (1/1) ... [2019-11-27 23:41:05,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:41:05" (1/1) ... [2019-11-27 23:41:05,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:41:05,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:41:05,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:41:05,925 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:41:05,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:41:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:41:05,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-27 23:41:06,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-27 23:41:06,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-27 23:41:06,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-27 23:41:06,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:41:06,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:41:06,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-27 23:41:06,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-27 23:41:27,699 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:41:27,700 INFO L297 CfgBuilder]: Removed 36 assume(true) statements. [2019-11-27 23:41:27,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:41:27 BoogieIcfgContainer [2019-11-27 23:41:27,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:41:27,702 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:41:27,702 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:41:27,705 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:41:27,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:41:05" (1/3) ... [2019-11-27 23:41:27,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f88a17a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:41:27, skipping insertion in model container [2019-11-27 23:41:27,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:41:05" (2/3) ... [2019-11-27 23:41:27,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f88a17a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:41:27, skipping insertion in model container [2019-11-27 23:41:27,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:41:27" (3/3) ... [2019-11-27 23:41:27,709 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0480.c [2019-11-27 23:41:27,718 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:41:27,725 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:41:27,735 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:41:27,760 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:41:27,760 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:41:27,760 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:41:27,761 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:41:27,761 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:41:27,761 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:41:27,762 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:41:27,762 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:41:27,779 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2019-11-27 23:41:27,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-27 23:41:27,786 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:41:27,787 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:41:27,788 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:41:27,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:41:27,793 INFO L82 PathProgramCache]: Analyzing trace with hash 2057066253, now seen corresponding path program 1 times [2019-11-27 23:41:27,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:41:27,804 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [26900283] [2019-11-27 23:41:27,804 INFO L94 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 [2019-11-27 23:41:28,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:41:28,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-27 23:41:28,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:41:28,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:41:28,723 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:41:28,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:41:28,728 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [26900283] [2019-11-27 23:41:28,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:41:28,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-27 23:41:28,730 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299619155] [2019-11-27 23:41:28,734 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-27 23:41:28,735 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:41:28,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-27 23:41:28,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:41:28,748 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 2 states. [2019-11-27 23:41:28,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:41:28,779 INFO L93 Difference]: Finished difference Result 214 states and 356 transitions. [2019-11-27 23:41:28,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-27 23:41:28,780 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-27 23:41:28,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:41:28,792 INFO L225 Difference]: With dead ends: 214 [2019-11-27 23:41:28,792 INFO L226 Difference]: Without dead ends: 105 [2019-11-27 23:41:28,796 INFO L630 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 [2019-11-27 23:41:28,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-11-27 23:41:28,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2019-11-27 23:41:28,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-11-27 23:41:28,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 151 transitions. [2019-11-27 23:41:28,844 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 151 transitions. Word has length 11 [2019-11-27 23:41:28,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:41:28,845 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 151 transitions. [2019-11-27 23:41:28,845 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-27 23:41:28,845 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions. [2019-11-27 23:41:28,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-27 23:41:28,847 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:41:28,847 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:41:29,061 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-27 23:41:29,062 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:41:29,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:41:29,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1327273670, now seen corresponding path program 1 times [2019-11-27 23:41:29,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:41:29,063 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [258914230] [2019-11-27 23:41:29,063 INFO L94 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 [2019-11-27 23:41:29,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:41:29,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-27 23:41:29,332 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:41:29,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:41:29,428 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:41:29,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:41:29,524 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [258914230] [2019-11-27 23:41:29,525 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:41:29,525 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-27 23:41:29,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235433395] [2019-11-27 23:41:29,527 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-27 23:41:29,527 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:41:29,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-27 23:41:29,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-27 23:41:29,528 INFO L87 Difference]: Start difference. First operand 105 states and 151 transitions. Second operand 8 states. [2019-11-27 23:41:32,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:41:32,719 INFO L93 Difference]: Finished difference Result 123 states and 169 transitions. [2019-11-27 23:41:32,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-27 23:41:32,741 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2019-11-27 23:41:32,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:41:32,742 INFO L225 Difference]: With dead ends: 123 [2019-11-27 23:41:32,742 INFO L226 Difference]: Without dead ends: 28 [2019-11-27 23:41:32,744 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-27 23:41:32,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-11-27 23:41:32,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 19. [2019-11-27 23:41:32,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-27 23:41:32,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2019-11-27 23:41:32,749 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 12 [2019-11-27 23:41:32,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:41:32,749 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2019-11-27 23:41:32,750 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-27 23:41:32,750 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2019-11-27 23:41:32,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-27 23:41:32,751 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:41:32,751 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:41:32,955 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-27 23:41:32,955 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:41:32,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:41:32,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1300609201, now seen corresponding path program 1 times [2019-11-27 23:41:32,956 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:41:32,957 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1208728730] [2019-11-27 23:41:32,957 INFO L94 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 [2019-11-27 23:41:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:41:33,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-27 23:41:33,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:41:34,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:41:34,107 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:41:34,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:41:34,300 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1208728730] [2019-11-27 23:41:34,300 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:41:34,300 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-11-27 23:41:34,300 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471612649] [2019-11-27 23:41:34,301 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-27 23:41:34,302 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:41:34,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-27 23:41:34,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2019-11-27 23:41:34,302 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand 10 states. [2019-11-27 23:41:34,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:41:34,473 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2019-11-27 23:41:34,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-27 23:41:34,475 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 13 [2019-11-27 23:41:34,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:41:34,476 INFO L225 Difference]: With dead ends: 28 [2019-11-27 23:41:34,476 INFO L226 Difference]: Without dead ends: 19 [2019-11-27 23:41:34,477 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2019-11-27 23:41:34,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-11-27 23:41:34,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-11-27 23:41:34,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-27 23:41:34,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2019-11-27 23:41:34,482 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 13 [2019-11-27 23:41:34,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:41:34,482 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2019-11-27 23:41:34,483 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-27 23:41:34,483 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2019-11-27 23:41:34,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-27 23:41:34,485 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:41:34,485 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:41:34,687 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-27 23:41:34,688 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:41:34,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:41:34,689 INFO L82 PathProgramCache]: Analyzing trace with hash 2062223078, now seen corresponding path program 1 times [2019-11-27 23:41:34,690 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:41:34,690 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [117744767] [2019-11-27 23:41:34,691 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-27 23:41:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:41:34,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-27 23:41:34,855 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:41:34,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:41:34,886 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:41:34,888 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:41:34,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:41:34,905 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [117744767] [2019-11-27 23:41:34,905 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:41:34,905 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2019-11-27 23:41:34,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41872391] [2019-11-27 23:41:34,906 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-27 23:41:34,906 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:41:34,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-27 23:41:34,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-27 23:41:34,907 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 5 states. [2019-11-27 23:41:34,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:41:34,948 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2019-11-27 23:41:34,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:41:34,949 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2019-11-27 23:41:34,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:41:34,949 INFO L225 Difference]: With dead ends: 22 [2019-11-27 23:41:34,950 INFO L226 Difference]: Without dead ends: 19 [2019-11-27 23:41:34,950 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-27 23:41:34,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-11-27 23:41:34,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-11-27 23:41:34,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-27 23:41:34,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2019-11-27 23:41:34,955 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 14 [2019-11-27 23:41:34,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:41:34,955 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2019-11-27 23:41:34,955 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-27 23:41:34,955 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2019-11-27 23:41:34,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-27 23:41:34,956 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:41:34,956 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:41:35,167 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-27 23:41:35,168 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:41:35,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:41:35,169 INFO L82 PathProgramCache]: Analyzing trace with hash -832376325, now seen corresponding path program 1 times [2019-11-27 23:41:35,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:41:35,170 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1648747492] [2019-11-27 23:41:35,170 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-27 23:41:35,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:41:35,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-27 23:41:35,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:41:35,410 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:41:35,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:41:35,460 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:41:35,461 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:41:35,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:41:35,589 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1648747492] [2019-11-27 23:41:35,589 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:41:35,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 12 [2019-11-27 23:41:35,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204214882] [2019-11-27 23:41:35,590 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-27 23:41:35,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:41:35,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-27 23:41:35,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-11-27 23:41:35,591 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 12 states. [2019-11-27 23:41:35,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:41:35,735 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2019-11-27 23:41:35,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-27 23:41:35,736 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2019-11-27 23:41:35,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:41:35,737 INFO L225 Difference]: With dead ends: 19 [2019-11-27 23:41:35,737 INFO L226 Difference]: Without dead ends: 0 [2019-11-27 23:41:35,738 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2019-11-27 23:41:35,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-27 23:41:35,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-27 23:41:35,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-27 23:41:35,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-27 23:41:35,739 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2019-11-27 23:41:35,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:41:35,739 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-27 23:41:35,739 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-27 23:41:35,739 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-27 23:41:35,740 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-27 23:41:35,944 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-27 23:41:35,948 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-27 23:41:36,204 INFO L246 CegarLoopResult]: For program point L101-5(lines 101 102) no Hoare annotation was computed. [2019-11-27 23:41:36,204 INFO L246 CegarLoopResult]: For program point L69(lines 69 72) no Hoare annotation was computed. [2019-11-27 23:41:36,204 INFO L246 CegarLoopResult]: For program point L36-1(lines 36 41) no Hoare annotation was computed. [2019-11-27 23:41:36,204 INFO L246 CegarLoopResult]: For program point L69-2(lines 69 72) no Hoare annotation was computed. [2019-11-27 23:41:36,204 INFO L242 CegarLoopResult]: At program point L36-2(lines 36 41) the Hoare annotation is: false [2019-11-27 23:41:36,205 INFO L246 CegarLoopResult]: For program point L69-3(lines 69 72) no Hoare annotation was computed. [2019-11-27 23:41:36,205 INFO L246 CegarLoopResult]: For program point L36-3(lines 30 138) no Hoare annotation was computed. [2019-11-27 23:41:36,205 INFO L246 CegarLoopResult]: For program point L69-5(lines 69 72) no Hoare annotation was computed. [2019-11-27 23:41:36,205 INFO L246 CegarLoopResult]: For program point L36-5(lines 36 41) no Hoare annotation was computed. [2019-11-27 23:41:36,205 INFO L242 CegarLoopResult]: At program point L36-6(lines 36 41) the Hoare annotation is: false [2019-11-27 23:41:36,205 INFO L246 CegarLoopResult]: For program point L36-7(lines 30 138) no Hoare annotation was computed. [2019-11-27 23:41:36,205 INFO L246 CegarLoopResult]: For program point L236(line 236) no Hoare annotation was computed. [2019-11-27 23:41:36,206 INFO L246 CegarLoopResult]: For program point L236-2(lines 236 239) no Hoare annotation was computed. [2019-11-27 23:41:36,206 INFO L242 CegarLoopResult]: At program point L137(lines 30 138) the Hoare annotation is: false [2019-11-27 23:41:36,206 INFO L242 CegarLoopResult]: At program point L137-1(lines 30 138) the Hoare annotation is: false [2019-11-27 23:41:36,206 INFO L246 CegarLoopResult]: For program point L237(line 237) no Hoare annotation was computed. [2019-11-27 23:41:36,206 INFO L246 CegarLoopResult]: For program point L172(lines 172 175) no Hoare annotation was computed. [2019-11-27 23:41:36,206 INFO L246 CegarLoopResult]: For program point L207-1(lines 207 212) no Hoare annotation was computed. [2019-11-27 23:41:36,206 INFO L242 CegarLoopResult]: At program point L207-2(lines 207 212) the Hoare annotation is: false [2019-11-27 23:41:36,207 INFO L246 CegarLoopResult]: For program point L207-3(lines 207 212) no Hoare annotation was computed. [2019-11-27 23:41:36,209 INFO L249 CegarLoopResult]: At program point L241(lines 226 242) the Hoare annotation is: true [2019-11-27 23:41:36,209 INFO L246 CegarLoopResult]: For program point L111(lines 111 125) no Hoare annotation was computed. [2019-11-27 23:41:36,209 INFO L246 CegarLoopResult]: For program point L111-1(lines 111 125) no Hoare annotation was computed. [2019-11-27 23:41:36,209 INFO L246 CegarLoopResult]: For program point L179(lines 179 223) no Hoare annotation was computed. [2019-11-27 23:41:36,210 INFO L246 CegarLoopResult]: For program point L113(lines 113 124) no Hoare annotation was computed. [2019-11-27 23:41:36,210 INFO L246 CegarLoopResult]: For program point L47(lines 47 52) no Hoare annotation was computed. [2019-11-27 23:41:36,210 INFO L246 CegarLoopResult]: For program point L113-2(lines 113 124) no Hoare annotation was computed. [2019-11-27 23:41:36,210 INFO L242 CegarLoopResult]: At program point L80-2(lines 80 90) the Hoare annotation is: false [2019-11-27 23:41:36,210 INFO L246 CegarLoopResult]: For program point L47-2(lines 47 52) no Hoare annotation was computed. [2019-11-27 23:41:36,211 INFO L246 CegarLoopResult]: For program point L80-3(lines 80 90) no Hoare annotation was computed. [2019-11-27 23:41:36,211 INFO L246 CegarLoopResult]: For program point L47-3(lines 47 52) no Hoare annotation was computed. [2019-11-27 23:41:36,211 INFO L246 CegarLoopResult]: For program point L47-5(lines 47 52) no Hoare annotation was computed. [2019-11-27 23:41:36,211 INFO L242 CegarLoopResult]: At program point L80-6(lines 80 90) the Hoare annotation is: false [2019-11-27 23:41:36,211 INFO L246 CegarLoopResult]: For program point L80-7(lines 80 90) no Hoare annotation was computed. [2019-11-27 23:41:36,214 INFO L246 CegarLoopResult]: For program point L180(lines 180 181) no Hoare annotation was computed. [2019-11-27 23:41:36,214 INFO L246 CegarLoopResult]: For program point L48(lines 48 51) no Hoare annotation was computed. [2019-11-27 23:41:36,214 INFO L246 CegarLoopResult]: For program point L48-1(lines 48 51) no Hoare annotation was computed. [2019-11-27 23:41:36,214 INFO L246 CegarLoopResult]: For program point L115(lines 115 123) no Hoare annotation was computed. [2019-11-27 23:41:36,215 INFO L246 CegarLoopResult]: For program point L82(lines 82 86) no Hoare annotation was computed. [2019-11-27 23:41:36,215 INFO L246 CegarLoopResult]: For program point L115-2(lines 115 123) no Hoare annotation was computed. [2019-11-27 23:41:36,215 INFO L246 CegarLoopResult]: For program point L82-2(lines 82 86) no Hoare annotation was computed. [2019-11-27 23:41:36,215 INFO L246 CegarLoopResult]: For program point L82-3(lines 82 86) no Hoare annotation was computed. [2019-11-27 23:41:36,215 INFO L246 CegarLoopResult]: For program point L82-5(lines 82 86) no Hoare annotation was computed. [2019-11-27 23:41:36,216 INFO L246 CegarLoopResult]: For program point L50(lines 50 51) no Hoare annotation was computed. [2019-11-27 23:41:36,216 INFO L246 CegarLoopResult]: For program point L50-1(lines 50 51) no Hoare annotation was computed. [2019-11-27 23:41:36,216 INFO L246 CegarLoopResult]: For program point L118(lines 118 123) no Hoare annotation was computed. [2019-11-27 23:41:36,216 INFO L246 CegarLoopResult]: For program point L118-3(lines 118 123) no Hoare annotation was computed. [2019-11-27 23:41:36,217 INFO L246 CegarLoopResult]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2019-11-27 23:41:36,217 INFO L242 CegarLoopResult]: At program point L19-2(lines 19 23) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short19| (exists ((currentRoundingMode RoundingMode)) (= ((_ to_fp 11 53) currentRoundingMode 1.0) ULTIMATE.start___ieee754_acos_~x)) (= (_ +zero 11 53) ULTIMATE.start___signbit_double_~x) (= (_ +zero 11 53) |ULTIMATE.start___ieee754_acos_#res|) (= ULTIMATE.start_main_~res~0 (_ +zero 11 53)) (exists ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_14|)) ULTIMATE.start___ieee754_acos_~x) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_14|) ULTIMATE.start___ieee754_acos_~hx~0))) (= (bvor (bvadd ULTIMATE.start___ieee754_acos_~ix~0 (_ bv3222274048 32)) ULTIMATE.start___ieee754_acos_~lx~0) (_ bv0 32))) [2019-11-27 23:41:36,217 INFO L246 CegarLoopResult]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2019-11-27 23:41:36,217 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-27 23:41:36,217 INFO L246 CegarLoopResult]: For program point L119(lines 119 120) no Hoare annotation was computed. [2019-11-27 23:41:36,217 INFO L246 CegarLoopResult]: For program point L119-2(lines 119 120) no Hoare annotation was computed. [2019-11-27 23:41:36,218 INFO L246 CegarLoopResult]: For program point L119-3(lines 119 120) no Hoare annotation was computed. [2019-11-27 23:41:36,218 INFO L246 CegarLoopResult]: For program point L119-5(lines 119 120) no Hoare annotation was computed. [2019-11-27 23:41:36,218 INFO L246 CegarLoopResult]: For program point L55(lines 55 66) no Hoare annotation was computed. [2019-11-27 23:41:36,218 INFO L246 CegarLoopResult]: For program point L55-2(lines 55 66) no Hoare annotation was computed. [2019-11-27 23:41:36,218 INFO L246 CegarLoopResult]: For program point L55-3(lines 55 66) no Hoare annotation was computed. [2019-11-27 23:41:36,218 INFO L246 CegarLoopResult]: For program point L55-5(lines 55 66) no Hoare annotation was computed. [2019-11-27 23:41:36,218 INFO L242 CegarLoopResult]: At program point L56-2(lines 56 60) the Hoare annotation is: false [2019-11-27 23:41:36,218 INFO L246 CegarLoopResult]: For program point L56-3(lines 56 60) no Hoare annotation was computed. [2019-11-27 23:41:36,219 INFO L242 CegarLoopResult]: At program point L56-6(lines 56 60) the Hoare annotation is: false [2019-11-27 23:41:36,219 INFO L246 CegarLoopResult]: For program point L56-7(lines 56 60) no Hoare annotation was computed. [2019-11-27 23:41:36,219 INFO L242 CegarLoopResult]: At program point L222(lines 155 224) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= ((_ to_fp 11 53) currentRoundingMode 1.0) ULTIMATE.start___ieee754_acos_~x)) (= (_ +zero 11 53) |ULTIMATE.start___ieee754_acos_#res|) (exists ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_14|)) ULTIMATE.start___ieee754_acos_~x) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_14|) ULTIMATE.start___ieee754_acos_~hx~0))) (= (bvor (bvadd ULTIMATE.start___ieee754_acos_~ix~0 (_ bv3222274048 32)) ULTIMATE.start___ieee754_acos_~lx~0) (_ bv0 32))) [2019-11-27 23:41:36,219 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-27 23:41:36,219 INFO L242 CegarLoopResult]: At program point L25(lines 16 26) the Hoare annotation is: (and (= |ULTIMATE.start___signbit_double_#res| (_ bv0 32)) |ULTIMATE.start_main_#t~short19| (exists ((|v_skolemized_q#valueAsBitvector_16| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_16|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_16|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_16|))) (= ULTIMATE.start___signbit_double_~msw~0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_16|)))) (exists ((currentRoundingMode RoundingMode)) (= ((_ to_fp 11 53) currentRoundingMode 1.0) ULTIMATE.start___ieee754_acos_~x)) (= (_ +zero 11 53) ULTIMATE.start___signbit_double_~x) (= (_ +zero 11 53) |ULTIMATE.start___ieee754_acos_#res|) (= ULTIMATE.start_main_~res~0 (_ +zero 11 53)) (exists ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_14|)) ULTIMATE.start___ieee754_acos_~x) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_14|) ULTIMATE.start___ieee754_acos_~hx~0))) (= (bvor (bvadd ULTIMATE.start___ieee754_acos_~ix~0 (_ bv3222274048 32)) ULTIMATE.start___ieee754_acos_~lx~0) (_ bv0 32))) [2019-11-27 23:41:36,219 INFO L246 CegarLoopResult]: For program point L191(lines 191 223) no Hoare annotation was computed. [2019-11-27 23:41:36,220 INFO L246 CegarLoopResult]: For program point L158-1(lines 158 162) no Hoare annotation was computed. [2019-11-27 23:41:36,220 INFO L242 CegarLoopResult]: At program point L158-2(lines 158 162) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= ((_ to_fp 11 53) currentRoundingMode 1.0) ULTIMATE.start___ieee754_acos_~x)) [2019-11-27 23:41:36,220 INFO L246 CegarLoopResult]: For program point L158-3(lines 158 162) no Hoare annotation was computed. [2019-11-27 23:41:36,220 INFO L242 CegarLoopResult]: At program point L93-2(lines 93 109) the Hoare annotation is: false [2019-11-27 23:41:36,220 INFO L246 CegarLoopResult]: For program point L93-3(lines 30 138) no Hoare annotation was computed. [2019-11-27 23:41:36,220 INFO L242 CegarLoopResult]: At program point L93-6(lines 93 109) the Hoare annotation is: false [2019-11-27 23:41:36,220 INFO L246 CegarLoopResult]: For program point L93-7(lines 30 138) no Hoare annotation was computed. [2019-11-27 23:41:36,220 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-27 23:41:36,221 INFO L246 CegarLoopResult]: For program point L61-2(lines 61 62) no Hoare annotation was computed. [2019-11-27 23:41:36,221 INFO L242 CegarLoopResult]: At program point L61-3(lines 61 62) the Hoare annotation is: false [2019-11-27 23:41:36,221 INFO L246 CegarLoopResult]: For program point L61-4(lines 61 62) no Hoare annotation was computed. [2019-11-27 23:41:36,221 INFO L246 CegarLoopResult]: For program point L61-7(lines 61 62) no Hoare annotation was computed. [2019-11-27 23:41:36,221 INFO L242 CegarLoopResult]: At program point L61-8(lines 61 62) the Hoare annotation is: false [2019-11-27 23:41:36,221 INFO L246 CegarLoopResult]: For program point L61-9(lines 61 62) no Hoare annotation was computed. [2019-11-27 23:41:36,221 INFO L246 CegarLoopResult]: For program point L128(lines 128 129) no Hoare annotation was computed. [2019-11-27 23:41:36,221 INFO L246 CegarLoopResult]: For program point L128-2(lines 128 129) no Hoare annotation was computed. [2019-11-27 23:41:36,222 INFO L246 CegarLoopResult]: For program point L128-3(lines 128 129) no Hoare annotation was computed. [2019-11-27 23:41:36,222 INFO L246 CegarLoopResult]: For program point L128-5(lines 128 129) no Hoare annotation was computed. [2019-11-27 23:41:36,222 INFO L246 CegarLoopResult]: For program point L96(lines 96 105) no Hoare annotation was computed. [2019-11-27 23:41:36,222 INFO L246 CegarLoopResult]: For program point L96-2(lines 96 105) no Hoare annotation was computed. [2019-11-27 23:41:36,222 INFO L246 CegarLoopResult]: For program point L96-3(lines 96 105) no Hoare annotation was computed. [2019-11-27 23:41:36,222 INFO L246 CegarLoopResult]: For program point L96-5(lines 96 105) no Hoare annotation was computed. [2019-11-27 23:41:36,222 INFO L246 CegarLoopResult]: For program point L164(lines 164 178) no Hoare annotation was computed. [2019-11-27 23:41:36,222 INFO L246 CegarLoopResult]: For program point L98(lines 98 99) no Hoare annotation was computed. [2019-11-27 23:41:36,223 INFO L246 CegarLoopResult]: For program point L131-1(lines 131 136) no Hoare annotation was computed. [2019-11-27 23:41:36,223 INFO L242 CegarLoopResult]: At program point L131-2(lines 131 136) the Hoare annotation is: false [2019-11-27 23:41:36,223 INFO L246 CegarLoopResult]: For program point L98-2(lines 98 99) no Hoare annotation was computed. [2019-11-27 23:41:36,223 INFO L246 CegarLoopResult]: For program point L131-3(lines 131 136) no Hoare annotation was computed. [2019-11-27 23:41:36,223 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-27 23:41:36,223 INFO L246 CegarLoopResult]: For program point L98-3(lines 98 99) no Hoare annotation was computed. [2019-11-27 23:41:36,223 INFO L246 CegarLoopResult]: For program point L131-5(lines 131 136) no Hoare annotation was computed. [2019-11-27 23:41:36,223 INFO L246 CegarLoopResult]: For program point L98-5(lines 98 99) no Hoare annotation was computed. [2019-11-27 23:41:36,224 INFO L242 CegarLoopResult]: At program point L131-6(lines 131 136) the Hoare annotation is: false [2019-11-27 23:41:36,224 INFO L246 CegarLoopResult]: For program point L131-7(lines 131 136) no Hoare annotation was computed. [2019-11-27 23:41:36,224 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 237) no Hoare annotation was computed. [2019-11-27 23:41:36,224 INFO L246 CegarLoopResult]: For program point L166-1(lines 166 170) no Hoare annotation was computed. [2019-11-27 23:41:36,224 INFO L242 CegarLoopResult]: At program point L166-2(lines 166 170) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= ((_ to_fp 11 53) currentRoundingMode 1.0) ULTIMATE.start___ieee754_acos_~x)) (exists ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_14|)) ULTIMATE.start___ieee754_acos_~x) (= (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_14|)) ULTIMATE.start___ieee754_acos_~ix~0))) (exists ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_14|)) ULTIMATE.start___ieee754_acos_~x) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_14|) ULTIMATE.start___ieee754_acos_~hx~0)))) [2019-11-27 23:41:36,224 INFO L246 CegarLoopResult]: For program point L166-3(lines 164 178) no Hoare annotation was computed. [2019-11-27 23:41:36,225 INFO L246 CegarLoopResult]: For program point L101(lines 101 102) no Hoare annotation was computed. [2019-11-27 23:41:36,225 INFO L246 CegarLoopResult]: For program point L101-2(lines 101 102) no Hoare annotation was computed. [2019-11-27 23:41:36,225 INFO L246 CegarLoopResult]: For program point L101-3(lines 101 102) no Hoare annotation was computed. [2019-11-27 23:41:36,236 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:41:36,237 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,237 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,238 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,238 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,244 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:41:36,245 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,245 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,245 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,245 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,247 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:41:36,247 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:41:36,248 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:41:36,248 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,248 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,248 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,249 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,249 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:41:36,250 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,250 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,250 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,250 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,252 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2019-11-27 23:41:36,252 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2019-11-27 23:41:36,252 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2019-11-27 23:41:36,253 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2019-11-27 23:41:36,253 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:41:36,253 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,253 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,254 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,254 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,255 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2019-11-27 23:41:36,255 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2019-11-27 23:41:36,255 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2019-11-27 23:41:36,256 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2019-11-27 23:41:36,256 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:41:36,256 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,257 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,257 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,257 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,258 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:41:36,259 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,259 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,259 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,259 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,260 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,260 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,260 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,260 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,261 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:41:36,261 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,261 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,262 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,262 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,262 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,262 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,263 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,263 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:41:36 BoogieIcfgContainer [2019-11-27 23:41:36,265 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:41:36,266 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:41:36,266 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:41:36,266 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:41:36,267 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:41:27" (3/4) ... [2019-11-27 23:41:36,270 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-27 23:41:36,288 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2019-11-27 23:41:36,289 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-27 23:41:36,289 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-27 23:41:36,327 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0) == x) [2019-11-27 23:41:36,327 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0) == x) && (\exists v_skolemized_q#valueAsBitvector_14 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) == x && ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_14[63:32]) == ix)) && (\exists v_skolemized_q#valueAsBitvector_14 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) == x && v_skolemized_q#valueAsBitvector_14[63:32] == hx) [2019-11-27 23:41:36,328 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0) == x) && ~Pluszero~LONGDOUBLE() == \result) && (\exists v_skolemized_q#valueAsBitvector_14 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) == x && v_skolemized_q#valueAsBitvector_14[63:32] == hx)) && ~bvor32(~bvadd64(ix, 3222274048bv32), lx) == 0bv32 [2019-11-27 23:41:36,330 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((aux-res == 0.0 && __signbit_double(res) == 0-aux && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0) == x)) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == \result) && res == ~Pluszero~LONGDOUBLE()) && (\exists v_skolemized_q#valueAsBitvector_14 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) == x && v_skolemized_q#valueAsBitvector_14[63:32] == hx)) && ~bvor32(~bvadd64(ix, 3222274048bv32), lx) == 0bv32 [2019-11-27 23:41:36,331 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 0bv32 && aux-res == 0.0 && __signbit_double(res) == 0-aux) && (\exists v_skolemized_q#valueAsBitvector_16 : bv64 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_16[63:63], v_skolemized_q#valueAsBitvector_16[62:52], v_skolemized_q#valueAsBitvector_16[51:0]) && msw == v_skolemized_q#valueAsBitvector_16[63:32])) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0) == x)) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == \result) && res == ~Pluszero~LONGDOUBLE()) && (\exists v_skolemized_q#valueAsBitvector_14 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) == x && v_skolemized_q#valueAsBitvector_14[63:32] == hx)) && ~bvor32(~bvadd64(ix, 3222274048bv32), lx) == 0bv32 [2019-11-27 23:41:36,442 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 23:41:36,442 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:41:36,444 INFO L168 Benchmark]: Toolchain (without parser) took 31256.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 961.7 MB in the beginning and 792.4 MB in the end (delta: 169.3 MB). Peak memory consumption was 276.3 MB. Max. memory is 11.5 GB. [2019-11-27 23:41:36,445 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:41:36,445 INFO L168 Benchmark]: CACSL2BoogieTranslator took 591.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -134.6 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:41:36,446 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. [2019-11-27 23:41:36,446 INFO L168 Benchmark]: Boogie Preprocessor took 65.67 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:41:36,446 INFO L168 Benchmark]: RCFGBuilder took 21776.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.5 MB). Peak memory consumption was 61.5 MB. Max. memory is 11.5 GB. [2019-11-27 23:41:36,447 INFO L168 Benchmark]: TraceAbstraction took 8563.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 806.0 MB in the end (delta: 220.3 MB). Peak memory consumption was 220.3 MB. Max. memory is 11.5 GB. [2019-11-27 23:41:36,447 INFO L168 Benchmark]: Witness Printer took 176.35 ms. Allocated memory is still 1.1 GB. Free memory was 806.0 MB in the beginning and 792.4 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2019-11-27 23:41:36,449 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 591.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -134.6 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 65.67 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 21776.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.5 MB). Peak memory consumption was 61.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8563.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 806.0 MB in the end (delta: 220.3 MB). Peak memory consumption was 220.3 MB. Max. memory is 11.5 GB. * Witness Printer took 176.35 ms. Allocated memory is still 1.1 GB. Free memory was 806.0 MB in the beginning and 792.4 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 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_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,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_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,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[currentRoundingMode,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_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,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_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,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_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,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_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,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_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,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_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 237]: 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: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant [2019-11-27 23:41:36,461 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:41:36,461 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,462 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,462 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,462 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,463 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:41:36,463 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,463 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,463 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,464 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] Derived loop invariant: (((((aux-res == 0.0 && __signbit_double(res) == 0-aux && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0) == x)) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == \result) && res == ~Pluszero~LONGDOUBLE()) && (\exists v_skolemized_q#valueAsBitvector_14 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) == x && v_skolemized_q#valueAsBitvector_14[63:32] == hx)) && ~bvor32(~bvadd64(ix, 3222274048bv32), lx) == 0bv32 - InvariantResult [Line: 158]: Loop Invariant [2019-11-27 23:41:36,464 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:41:36,465 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0) == x) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 155]: Loop Invariant [2019-11-27 23:41:36,465 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:41:36,466 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,466 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,466 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,466 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,467 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:41:36,467 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,467 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,467 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,467 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] Derived loop invariant: (((\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0) == x) && ~Pluszero~LONGDOUBLE() == \result) && (\exists v_skolemized_q#valueAsBitvector_14 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) == x && v_skolemized_q#valueAsBitvector_14[63:32] == hx)) && ~bvor32(~bvadd64(ix, 3222274048bv32), lx) == 0bv32 - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant [2019-11-27 23:41:36,469 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2019-11-27 23:41:36,469 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2019-11-27 23:41:36,469 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2019-11-27 23:41:36,469 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2019-11-27 23:41:36,470 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:41:36,470 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,470 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,470 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,471 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,471 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2019-11-27 23:41:36,471 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2019-11-27 23:41:36,472 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2019-11-27 23:41:36,472 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_16,QUANTIFIED] [2019-11-27 23:41:36,472 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:41:36,472 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,473 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,473 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,473 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] Derived loop invariant: (((((((\result == 0bv32 && aux-res == 0.0 && __signbit_double(res) == 0-aux) && (\exists v_skolemized_q#valueAsBitvector_16 : bv64 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_16[63:63], v_skolemized_q#valueAsBitvector_16[62:52], v_skolemized_q#valueAsBitvector_16[51:0]) && msw == v_skolemized_q#valueAsBitvector_16[63:32])) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0) == x)) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == \result) && res == ~Pluszero~LONGDOUBLE()) && (\exists v_skolemized_q#valueAsBitvector_14 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) == x && v_skolemized_q#valueAsBitvector_14[63:32] == hx)) && ~bvor32(~bvadd64(ix, 3222274048bv32), lx) == 0bv32 - InvariantResult [Line: 166]: Loop Invariant [2019-11-27 23:41:36,474 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:41:36,474 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,474 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,475 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,475 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,475 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,475 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,475 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,476 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,476 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:41:36,477 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,477 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,477 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,477 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,477 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,477 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,478 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2019-11-27 23:41:36,478 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] Derived loop invariant: ((\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0) == x) && (\exists v_skolemized_q#valueAsBitvector_14 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) == x && ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_14[63:32]) == ix)) && (\exists v_skolemized_q#valueAsBitvector_14 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) == x && v_skolemized_q#valueAsBitvector_14[63:32] == hx) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 108 locations, 1 error locations. Result: SAFE, OverallTime: 8.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 216 SDtfs, 172 SDslu, 141 SDs, 0 SdLazy, 46 SolverSat, 10 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 135 GetRequests, 98 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred 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, 5 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 21 PreInvPairs, 27 NumberOfFragments, 189 HoareAnnotationTreeSize, 21 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 21 FomulaSimplificationsInter, 36 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 126 ConstructedInterpolants, 22 QuantifiedInterpolants, 7741 SizeOfPredicates, 28 NumberOfNonLiveVariables, 289 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: 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...