./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1092a.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_1092a.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 8be2489bdcd97218605067fa4593696f9050abdf ......................................................................................................................................................................................................................................................................................... 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_1092a.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 8be2489bdcd97218605067fa4593696f9050abdf ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:45:14,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:45:14,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:45:14,208 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:45:14,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:45:14,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:45:14,213 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:45:14,222 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:45:14,224 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:45:14,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:45:14,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:45:14,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:45:14,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:45:14,234 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:45:14,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:45:14,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:45:14,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:45:14,242 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:45:14,245 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:45:14,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:45:14,252 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:45:14,255 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:45:14,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:45:14,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:45:14,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:45:14,263 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:45:14,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:45:14,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:45:14,267 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:45:14,268 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:45:14,270 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:45:14,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:45:14,272 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:45:14,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:45:14,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:45:14,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:45:14,276 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:45:14,276 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:45:14,277 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:45:14,278 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:45:14,279 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:45:14,281 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 23:45:14,301 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:45:14,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:45:14,303 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:45:14,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:45:14,303 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:45:14,304 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:45:14,304 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:45:14,304 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 23:45:14,304 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:45:14,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:45:14,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:45:14,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:45:14,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:45:14,306 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:45:14,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:45:14,306 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:45:14,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:45:14,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:45:14,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:45:14,308 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:45:14,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:45:14,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:45:14,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:45:14,309 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:45:14,309 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:45:14,309 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 23:45:14,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 23:45:14,310 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:45:14,310 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 -> 8be2489bdcd97218605067fa4593696f9050abdf [2019-11-27 23:45:14,661 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:45:14,683 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:45:14,687 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:45:14,688 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:45:14,689 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:45:14,691 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-11-27 23:45:14,769 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd59fc730/90829f6f49ac48629ae6794a60349956/FLAG9464fdf0f [2019-11-27 23:45:15,243 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:45:15,244 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-11-27 23:45:15,250 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd59fc730/90829f6f49ac48629ae6794a60349956/FLAG9464fdf0f [2019-11-27 23:45:15,606 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd59fc730/90829f6f49ac48629ae6794a60349956 [2019-11-27 23:45:15,611 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:45:15,613 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:45:15,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:45:15,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:45:15,619 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:45:15,620 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:45:15" (1/1) ... [2019-11-27 23:45:15,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1844f808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:45:15, skipping insertion in model container [2019-11-27 23:45:15,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:45:15" (1/1) ... [2019-11-27 23:45:15,633 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:45:15,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:45:15,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:45:15,880 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:45:15,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:45:16,004 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:45:16,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:45:16 WrapperNode [2019-11-27 23:45:16,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:45:16,006 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:45:16,006 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:45:16,006 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:45:16,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:45:16" (1/1) ... [2019-11-27 23:45:16,025 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:45:16" (1/1) ... [2019-11-27 23:45:16,062 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:45:16,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:45:16,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:45:16,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:45:16,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:45:16" (1/1) ... [2019-11-27 23:45:16,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:45:16" (1/1) ... [2019-11-27 23:45:16,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:45:16" (1/1) ... [2019-11-27 23:45:16,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:45:16" (1/1) ... [2019-11-27 23:45:16,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:45:16" (1/1) ... [2019-11-27 23:45:16,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:45:16" (1/1) ... [2019-11-27 23:45:16,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:45:16" (1/1) ... [2019-11-27 23:45:16,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:45:16,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:45:16,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:45:16,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:45:16,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:45:16" (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 23:45:16,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-27 23:45:16,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-27 23:45:16,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-27 23:45:16,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:45:16,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:45:16,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-27 23:45:16,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-27 23:45:16,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-27 23:45:16,561 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:45:16,562 INFO L297 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-27 23:45:16,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:45:16 BoogieIcfgContainer [2019-11-27 23:45:16,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:45:16,564 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:45:16,565 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:45:16,567 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:45:16,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:45:15" (1/3) ... [2019-11-27 23:45:16,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b6187f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:45:16, skipping insertion in model container [2019-11-27 23:45:16,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:45:16" (2/3) ... [2019-11-27 23:45:16,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b6187f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:45:16, skipping insertion in model container [2019-11-27 23:45:16,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:45:16" (3/3) ... [2019-11-27 23:45:16,571 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092a.c [2019-11-27 23:45:16,580 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:45:16,588 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:45:16,600 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:45:16,621 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:45:16,621 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:45:16,621 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:45:16,621 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:45:16,622 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:45:16,622 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:45:16,622 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:45:16,622 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:45:16,635 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-11-27 23:45:16,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-27 23:45:16,641 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:45:16,642 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:45:16,642 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:45:16,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:45:16,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1046119076, now seen corresponding path program 1 times [2019-11-27 23:45:16,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:45:16,657 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138692526] [2019-11-27 23:45:16,657 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:45:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:45:16,760 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 23:45:16,761 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138692526] [2019-11-27 23:45:16,763 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:45:16,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-27 23:45:16,764 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683990025] [2019-11-27 23:45:16,769 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-27 23:45:16,770 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:45:16,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-27 23:45:16,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:45:16,785 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2019-11-27 23:45:16,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:45:16,802 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2019-11-27 23:45:16,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-27 23:45:16,803 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-27 23:45:16,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:45:16,817 INFO L225 Difference]: With dead ends: 64 [2019-11-27 23:45:16,817 INFO L226 Difference]: Without dead ends: 30 [2019-11-27 23:45:16,822 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 23:45:16,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-27 23:45:16,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-27 23:45:16,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-27 23:45:16,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2019-11-27 23:45:16,860 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 10 [2019-11-27 23:45:16,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:45:16,861 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2019-11-27 23:45:16,861 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-27 23:45:16,861 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2019-11-27 23:45:16,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-27 23:45:16,862 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:45:16,862 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:45:16,863 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:45:16,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:45:16,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1289188121, now seen corresponding path program 1 times [2019-11-27 23:45:16,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:45:16,864 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59778040] [2019-11-27 23:45:16,864 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:45:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 23:45:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 23:45:17,006 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-27 23:45:17,006 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-27 23:45:17,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:45:17 BoogieIcfgContainer [2019-11-27 23:45:17,033 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:45:17,033 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:45:17,033 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:45:17,034 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:45:17,034 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:45:16" (3/4) ... [2019-11-27 23:45:17,038 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-27 23:45:17,038 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:45:17,041 INFO L168 Benchmark]: Toolchain (without parser) took 1427.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -106.2 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. [2019-11-27 23:45:17,042 INFO L168 Benchmark]: CDTParser took 0.35 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 23:45:17,043 INFO L168 Benchmark]: CACSL2BoogieTranslator took 390.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -160.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-11-27 23:45:17,044 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:45:17,044 INFO L168 Benchmark]: Boogie Preprocessor took 40.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:45:17,045 INFO L168 Benchmark]: RCFGBuilder took 460.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2019-11-27 23:45:17,046 INFO L168 Benchmark]: TraceAbstraction took 468.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-11-27 23:45:17,047 INFO L168 Benchmark]: Witness Printer took 5.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:45:17,052 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 390.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -160.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 460.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 468.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Witness Printer took 5.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 96]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of shiftRight at line 41, overapproximation of bitwiseOr at line 42, overapproximation of someUnaryDOUBLEoperation at line 91, overapproximation of bitwiseAnd at line 28, overapproximation of someBinaryDOUBLEComparisonOperation at line 95. Possible FailurePath: [L17] static const double huge_ceil = 1.0e300; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L91] double x = -0.0; [L20] __int32_t i0, i1, j0; [L21] __uint32_t i, j; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (i0) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (i1) = ew_u.parts.lsw [L28] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L29] COND TRUE j0 < 20 VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L30] COND FALSE !(j0 < 0) [L41] i = (0x000fffff) >> j0 VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L42] COND TRUE ((i0 & i) | i1) == 0 [L43] return x; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L92] double res = ceil_double(x); [L95] COND TRUE res != x VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L96] __VERIFIER_error() VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 47 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=33occurred 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, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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 23:45:19,163 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:45:19,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:45:19,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:45:19,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:45:19,188 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:45:19,190 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:45:19,203 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:45:19,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:45:19,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:45:19,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:45:19,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:45:19,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:45:19,218 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:45:19,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:45:19,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:45:19,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:45:19,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:45:19,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:45:19,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:45:19,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:45:19,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:45:19,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:45:19,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:45:19,254 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:45:19,254 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:45:19,255 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:45:19,257 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:45:19,257 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:45:19,258 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:45:19,259 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:45:19,260 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:45:19,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:45:19,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:45:19,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:45:19,264 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:45:19,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:45:19,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:45:19,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:45:19,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:45:19,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:45:19,271 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 23:45:19,296 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:45:19,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:45:19,299 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:45:19,299 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:45:19,300 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:45:19,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:45:19,300 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:45:19,300 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:45:19,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:45:19,301 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:45:19,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:45:19,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:45:19,303 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 23:45:19,304 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 23:45:19,304 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:45:19,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:45:19,304 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:45:19,305 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:45:19,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:45:19,305 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:45:19,306 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:45:19,306 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:45:19,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:45:19,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:45:19,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:45:19,307 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:45:19,308 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 23:45:19,308 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 23:45:19,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:45:19,308 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 23:45:19,309 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 -> 8be2489bdcd97218605067fa4593696f9050abdf [2019-11-27 23:45:19,612 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:45:19,626 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:45:19,629 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:45:19,631 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:45:19,632 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:45:19,633 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-11-27 23:45:19,692 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/893c2a381/f52ddb0556844d46b0e8cc1d6d94b147/FLAGda6501ebc [2019-11-27 23:45:20,150 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:45:20,151 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-11-27 23:45:20,160 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/893c2a381/f52ddb0556844d46b0e8cc1d6d94b147/FLAGda6501ebc [2019-11-27 23:45:20,508 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/893c2a381/f52ddb0556844d46b0e8cc1d6d94b147 [2019-11-27 23:45:20,511 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:45:20,513 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:45:20,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:45:20,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:45:20,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:45:20,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:45:20" (1/1) ... [2019-11-27 23:45:20,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59d9d2a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:45:20, skipping insertion in model container [2019-11-27 23:45:20,522 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:45:20" (1/1) ... [2019-11-27 23:45:20,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:45:20,550 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:45:20,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:45:20,811 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:45:20,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:45:20,952 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:45:20,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:45:20 WrapperNode [2019-11-27 23:45:20,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:45:20,954 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:45:20,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:45:20,954 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:45:20,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:45:20" (1/1) ... [2019-11-27 23:45:20,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:45:20" (1/1) ... [2019-11-27 23:45:21,003 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:45:21,003 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:45:21,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:45:21,004 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:45:21,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:45:20" (1/1) ... [2019-11-27 23:45:21,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:45:20" (1/1) ... [2019-11-27 23:45:21,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:45:20" (1/1) ... [2019-11-27 23:45:21,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:45:20" (1/1) ... [2019-11-27 23:45:21,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:45:20" (1/1) ... [2019-11-27 23:45:21,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:45:20" (1/1) ... [2019-11-27 23:45:21,036 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:45:20" (1/1) ... [2019-11-27 23:45:21,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:45:21,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:45:21,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:45:21,041 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:45:21,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:45:20" (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 23:45:21,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-27 23:45:21,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-27 23:45:21,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-27 23:45:21,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-27 23:45:21,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:45:21,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:45:21,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-27 23:45:21,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-27 23:45:22,419 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:45:22,419 INFO L297 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-27 23:45:22,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:45:22 BoogieIcfgContainer [2019-11-27 23:45:22,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:45:22,423 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:45:22,423 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:45:22,426 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:45:22,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:45:20" (1/3) ... [2019-11-27 23:45:22,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@653482fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:45:22, skipping insertion in model container [2019-11-27 23:45:22,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:45:20" (2/3) ... [2019-11-27 23:45:22,429 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@653482fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:45:22, skipping insertion in model container [2019-11-27 23:45:22,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:45:22" (3/3) ... [2019-11-27 23:45:22,431 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092a.c [2019-11-27 23:45:22,442 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:45:22,449 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:45:22,459 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:45:22,481 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:45:22,481 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:45:22,481 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:45:22,481 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:45:22,482 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:45:22,482 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:45:22,482 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:45:22,482 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:45:22,498 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-11-27 23:45:22,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-27 23:45:22,505 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:45:22,506 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:45:22,506 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:45:22,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:45:22,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1046119076, now seen corresponding path program 1 times [2019-11-27 23:45:22,522 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:45:22,523 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1960494993] [2019-11-27 23:45:22,523 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 23:45:22,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:45:22,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-27 23:45:22,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:45:22,626 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 23:45:22,626 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:45:22,630 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 23:45:22,632 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1960494993] [2019-11-27 23:45:22,632 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:45:22,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-27 23:45:22,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431740605] [2019-11-27 23:45:22,639 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-27 23:45:22,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:45:22,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-27 23:45:22,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:45:22,657 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2019-11-27 23:45:22,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:45:22,680 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2019-11-27 23:45:22,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-27 23:45:22,681 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-27 23:45:22,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:45:22,693 INFO L225 Difference]: With dead ends: 64 [2019-11-27 23:45:22,694 INFO L226 Difference]: Without dead ends: 30 [2019-11-27 23:45:22,697 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 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 23:45:22,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-27 23:45:22,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-27 23:45:22,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-27 23:45:22,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2019-11-27 23:45:22,737 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 10 [2019-11-27 23:45:22,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:45:22,737 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2019-11-27 23:45:22,737 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-27 23:45:22,738 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2019-11-27 23:45:22,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-27 23:45:22,739 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:45:22,739 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:45:22,952 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-27 23:45:22,952 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:45:22,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:45:22,953 INFO L82 PathProgramCache]: Analyzing trace with hash -1289188121, now seen corresponding path program 1 times [2019-11-27 23:45:22,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:45:22,954 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [310968576] [2019-11-27 23:45:22,954 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 23:45:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:45:23,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-27 23:45:23,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:45:23,131 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 23:45:23,131 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:45:23,220 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 23:45:23,221 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [310968576] [2019-11-27 23:45:23,221 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:45:23,221 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-27 23:45:23,222 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626391681] [2019-11-27 23:45:23,224 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-27 23:45:23,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:45:23,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-27 23:45:23,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-27 23:45:23,225 INFO L87 Difference]: Start difference. First operand 30 states and 44 transitions. Second operand 8 states. [2019-11-27 23:45:23,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:45:23,522 INFO L93 Difference]: Finished difference Result 37 states and 50 transitions. [2019-11-27 23:45:23,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-27 23:45:23,524 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-11-27 23:45:23,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:45:23,525 INFO L225 Difference]: With dead ends: 37 [2019-11-27 23:45:23,525 INFO L226 Difference]: Without dead ends: 16 [2019-11-27 23:45:23,526 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-27 23:45:23,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-27 23:45:23,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-27 23:45:23,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-27 23:45:23,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2019-11-27 23:45:23,532 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 11 [2019-11-27 23:45:23,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:45:23,532 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2019-11-27 23:45:23,533 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-27 23:45:23,533 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2019-11-27 23:45:23,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-27 23:45:23,534 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:45:23,534 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:45:23,748 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-27 23:45:23,749 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:45:23,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:45:23,751 INFO L82 PathProgramCache]: Analyzing trace with hash -713684991, now seen corresponding path program 1 times [2019-11-27 23:45:23,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:45:23,752 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1284060386] [2019-11-27 23:45:23,753 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 23:45:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:45:23,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-27 23:45:23,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:45:23,967 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 23:45:23,968 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:45:24,672 WARN L192 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2019-11-27 23:45:24,867 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 23:45:24,868 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1284060386] [2019-11-27 23:45:24,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:45:24,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-11-27 23:45:24,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086614895] [2019-11-27 23:45:24,870 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-27 23:45:24,871 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:45:24,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-27 23:45:24,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-27 23:45:24,871 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 6 states. [2019-11-27 23:45:25,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:45:25,609 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2019-11-27 23:45:25,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:45:25,619 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2019-11-27 23:45:25,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:45:25,620 INFO L225 Difference]: With dead ends: 23 [2019-11-27 23:45:25,620 INFO L226 Difference]: Without dead ends: 16 [2019-11-27 23:45:25,621 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-27 23:45:25,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-27 23:45:25,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-27 23:45:25,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-27 23:45:25,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2019-11-27 23:45:25,626 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 14 [2019-11-27 23:45:25,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:45:25,626 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2019-11-27 23:45:25,626 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-27 23:45:25,627 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2019-11-27 23:45:25,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-27 23:45:25,627 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:45:25,628 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:45:25,831 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-27 23:45:25,832 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:45:25,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:45:25,833 INFO L82 PathProgramCache]: Analyzing trace with hash -1568599403, now seen corresponding path program 1 times [2019-11-27 23:45:25,834 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:45:25,835 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1077995946] [2019-11-27 23:45:25,835 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 23:45:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:45:26,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-27 23:45:26,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:45:26,109 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2019-11-27 23:45:26,119 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-27 23:45:26,124 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-27 23:45:26,125 INFO L508 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-27 23:45:26,135 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-27 23:45:26,136 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-27 23:45:26,136 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:50, output treesize:20 [2019-11-27 23:45:26,224 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 23:45:26,225 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:45:26,295 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2019-11-27 23:45:26,301 INFO L508 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-27 23:45:26,306 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-27 23:45:26,307 INFO L508 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-27 23:45:26,312 INFO L588 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-27 23:45:26,313 INFO L508 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-27 23:45:26,313 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:15 [2019-11-27 23:45:26,377 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 23:45:26,377 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1077995946] [2019-11-27 23:45:26,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:45:26,378 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2019-11-27 23:45:26,378 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025695683] [2019-11-27 23:45:26,378 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-27 23:45:26,379 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:45:26,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-27 23:45:26,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2019-11-27 23:45:26,380 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 12 states. [2019-11-27 23:45:26,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:45:26,745 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2019-11-27 23:45:26,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-27 23:45:26,745 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 15 [2019-11-27 23:45:26,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:45:26,746 INFO L225 Difference]: With dead ends: 16 [2019-11-27 23:45:26,746 INFO L226 Difference]: Without dead ends: 0 [2019-11-27 23:45:26,747 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2019-11-27 23:45:26,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-27 23:45:26,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-27 23:45:26,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-27 23:45:26,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-27 23:45:26,748 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-11-27 23:45:26,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:45:26,748 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-27 23:45:26,749 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-27 23:45:26,749 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-27 23:45:26,749 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-27 23:45:26,949 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-27 23:45:26,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-27 23:45:27,157 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2019-11-27 23:45:27,215 INFO L246 CegarLoopResult]: For program point L60(lines 60 72) no Hoare annotation was computed. [2019-11-27 23:45:27,215 INFO L246 CegarLoopResult]: For program point L52(lines 52 55) no Hoare annotation was computed. [2019-11-27 23:45:27,216 INFO L246 CegarLoopResult]: For program point L44(lines 44 49) no Hoare annotation was computed. [2019-11-27 23:45:27,216 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-27 23:45:27,216 INFO L246 CegarLoopResult]: For program point L61(lines 61 70) no Hoare annotation was computed. [2019-11-27 23:45:27,216 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-27 23:45:27,216 INFO L246 CegarLoopResult]: For program point L61-1(lines 61 70) no Hoare annotation was computed. [2019-11-27 23:45:27,216 INFO L246 CegarLoopResult]: For program point L45(lines 45 46) no Hoare annotation was computed. [2019-11-27 23:45:27,216 INFO L246 CegarLoopResult]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2019-11-27 23:45:27,216 INFO L246 CegarLoopResult]: For program point L95(lines 95 98) no Hoare annotation was computed. [2019-11-27 23:45:27,217 INFO L246 CegarLoopResult]: For program point L62(lines 62 69) no Hoare annotation was computed. [2019-11-27 23:45:27,217 INFO L246 CegarLoopResult]: For program point L29(lines 29 73) no Hoare annotation was computed. [2019-11-27 23:45:27,217 INFO L246 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2019-11-27 23:45:27,217 INFO L246 CegarLoopResult]: For program point L30(lines 30 50) no Hoare annotation was computed. [2019-11-27 23:45:27,217 INFO L246 CegarLoopResult]: For program point L22-1(lines 22 27) no Hoare annotation was computed. [2019-11-27 23:45:27,218 INFO L242 CegarLoopResult]: At program point L22-2(lines 22 27) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_ceil~0) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start_main_~x~0 (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_ceil_double_~x (let ((.cse0 (concat (_ bv2147483648 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))))) [2019-11-27 23:45:27,218 INFO L246 CegarLoopResult]: For program point L22-3(lines 22 27) no Hoare annotation was computed. [2019-11-27 23:45:27,218 INFO L242 CegarLoopResult]: At program point L80(lines 19 81) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (concat (_ bv2147483648 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))))) (and (= .cse0 |ULTIMATE.start_ceil_double_#res|) (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_ceil~0) (= ULTIMATE.start_ceil_double_~i1~0 (_ bv0 32)) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.neg (_ +zero 11 53))) (= (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32))) (bvadd ULTIMATE.start_ceil_double_~j0~0 (_ bv1023 32))))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start_ceil_double_~i0~0) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.neg (_ +zero 11 53))))) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start_main_~x~0 (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_ceil_double_~x .cse0))) [2019-11-27 23:45:27,219 INFO L246 CegarLoopResult]: For program point L31(lines 31 39) no Hoare annotation was computed. [2019-11-27 23:45:27,219 INFO L246 CegarLoopResult]: For program point L32(lines 32 38) no Hoare annotation was computed. [2019-11-27 23:45:27,219 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-27 23:45:27,219 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 96) no Hoare annotation was computed. [2019-11-27 23:45:27,220 INFO L246 CegarLoopResult]: For program point L74(lines 74 79) no Hoare annotation was computed. [2019-11-27 23:45:27,220 INFO L246 CegarLoopResult]: For program point L74-1(lines 19 81) no Hoare annotation was computed. [2019-11-27 23:45:27,220 INFO L246 CegarLoopResult]: For program point L74-2(lines 74 79) no Hoare annotation was computed. [2019-11-27 23:45:27,220 INFO L246 CegarLoopResult]: For program point L66(lines 66 67) no Hoare annotation was computed. [2019-11-27 23:45:27,221 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-27 23:45:27,221 INFO L246 CegarLoopResult]: For program point L66-2(lines 66 67) no Hoare annotation was computed. [2019-11-27 23:45:27,221 INFO L246 CegarLoopResult]: For program point L58(lines 58 59) no Hoare annotation was computed. [2019-11-27 23:45:27,221 INFO L246 CegarLoopResult]: For program point L42(lines 42 43) no Hoare annotation was computed. [2019-11-27 23:45:27,222 INFO L249 CegarLoopResult]: At program point L100(lines 83 101) the Hoare annotation is: true [2019-11-27 23:45:27,222 INFO L246 CegarLoopResult]: For program point L51(lines 51 73) no Hoare annotation was computed. [2019-11-27 23:45:27,222 INFO L246 CegarLoopResult]: For program point L35(lines 35 38) no Hoare annotation was computed. [2019-11-27 23:45:27,229 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:693) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:258) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:215) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-27 23:45:27,234 INFO L168 Benchmark]: Toolchain (without parser) took 6721.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 952.3 MB in the beginning and 957.3 MB in the end (delta: -5.0 MB). Peak memory consumption was 129.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:45:27,235 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:45:27,236 INFO L168 Benchmark]: CACSL2BoogieTranslator took 439.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -172.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-27 23:45:27,237 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.35 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:45:27,237 INFO L168 Benchmark]: Boogie Preprocessor took 37.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:45:27,238 INFO L168 Benchmark]: RCFGBuilder took 1380.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-11-27 23:45:27,239 INFO L168 Benchmark]: TraceAbstraction took 4809.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 957.3 MB in the end (delta: 140.6 MB). Peak memory consumption was 140.6 MB. Max. memory is 11.5 GB. [2019-11-27 23:45:27,244 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 439.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -172.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.35 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1380.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4809.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 957.3 MB in the end (delta: 140.6 MB). Peak memory consumption was 140.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 96]: 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 - ExceptionOrErrorResult: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...