./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 678e0110 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 0.1.24-678e011 [2019-11-19 21:12:21,163 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 21:12:21,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 21:12:21,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 21:12:21,186 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 21:12:21,188 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 21:12:21,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 21:12:21,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 21:12:21,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 21:12:21,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 21:12:21,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 21:12:21,213 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 21:12:21,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 21:12:21,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 21:12:21,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 21:12:21,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 21:12:21,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 21:12:21,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 21:12:21,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 21:12:21,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 21:12:21,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 21:12:21,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 21:12:21,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 21:12:21,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 21:12:21,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 21:12:21,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 21:12:21,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 21:12:21,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 21:12:21,248 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 21:12:21,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 21:12:21,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 21:12:21,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 21:12:21,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 21:12:21,252 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 21:12:21,254 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 21:12:21,254 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 21:12:21,255 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 21:12:21,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 21:12:21,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 21:12:21,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 21:12:21,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 21:12:21,260 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 21:12:21,297 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 21:12:21,297 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 21:12:21,300 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 21:12:21,302 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 21:12:21,302 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 21:12:21,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 21:12:21,305 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 21:12:21,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 21:12:21,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 21:12:21,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 21:12:21,306 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 21:12:21,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 21:12:21,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 21:12:21,307 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 21:12:21,309 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 21:12:21,309 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 21:12:21,309 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 21:12:21,310 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 21:12:21,310 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 21:12:21,310 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 21:12:21,311 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 21:12:21,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:12:21,312 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 21:12:21,312 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 21:12:21,314 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 21:12:21,314 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 21:12:21,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 21:12:21,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 21:12:21,316 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 [2019-11-19 21:12:21,619 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 21:12:21,634 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 21:12:21,641 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 21:12:21,646 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 21:12:21,646 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 21:12:21,647 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-11-19 21:12:21,723 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5046d4ccb/80ba209cd25745c6bc158512a671775c/FLAGf672ff475 [2019-11-19 21:12:22,229 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 21:12:22,230 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-11-19 21:12:22,239 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5046d4ccb/80ba209cd25745c6bc158512a671775c/FLAGf672ff475 [2019-11-19 21:12:22,570 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5046d4ccb/80ba209cd25745c6bc158512a671775c [2019-11-19 21:12:22,574 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 21:12:22,575 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 21:12:22,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 21:12:22,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 21:12:22,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 21:12:22,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:12:22" (1/1) ... [2019-11-19 21:12:22,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25a0533d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:22, skipping insertion in model container [2019-11-19 21:12:22,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:12:22" (1/1) ... [2019-11-19 21:12:22,592 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 21:12:22,614 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 21:12:22,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:12:22,845 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 21:12:22,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:12:22,960 INFO L192 MainTranslator]: Completed translation [2019-11-19 21:12:22,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:22 WrapperNode [2019-11-19 21:12:22,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 21:12:22,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 21:12:22,961 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 21:12:22,962 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 21:12:22,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:22" (1/1) ... [2019-11-19 21:12:22,979 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:22" (1/1) ... [2019-11-19 21:12:23,002 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 21:12:23,003 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 21:12:23,003 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 21:12:23,003 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 21:12:23,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:22" (1/1) ... [2019-11-19 21:12:23,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:22" (1/1) ... [2019-11-19 21:12:23,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:22" (1/1) ... [2019-11-19 21:12:23,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:22" (1/1) ... [2019-11-19 21:12:23,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:22" (1/1) ... [2019-11-19 21:12:23,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:22" (1/1) ... [2019-11-19 21:12:23,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:22" (1/1) ... [2019-11-19 21:12:23,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 21:12:23,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 21:12:23,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 21:12:23,043 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 21:12:23,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:12:23,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-19 21:12:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 21:12:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-19 21:12:23,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 21:12:23,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 21:12:23,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 21:12:23,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 21:12:23,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 21:12:23,492 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 21:12:23,492 INFO L285 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-19 21:12:23,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:12:23 BoogieIcfgContainer [2019-11-19 21:12:23,494 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 21:12:23,495 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 21:12:23,495 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 21:12:23,499 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 21:12:23,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:12:22" (1/3) ... [2019-11-19 21:12:23,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60687698 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:12:23, skipping insertion in model container [2019-11-19 21:12:23,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:22" (2/3) ... [2019-11-19 21:12:23,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60687698 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:12:23, skipping insertion in model container [2019-11-19 21:12:23,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:12:23" (3/3) ... [2019-11-19 21:12:23,503 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092a.c [2019-11-19 21:12:23,523 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 21:12:23,531 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 21:12:23,545 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 21:12:23,567 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 21:12:23,567 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 21:12:23,567 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 21:12:23,567 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 21:12:23,568 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 21:12:23,568 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 21:12:23,568 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 21:12:23,568 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 21:12:23,582 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-11-19 21:12:23,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-19 21:12:23,588 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:12:23,590 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:12:23,590 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:12:23,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:12:23,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1046119076, now seen corresponding path program 1 times [2019-11-19 21:12:23,605 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:12:23,605 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707667519] [2019-11-19 21:12:23,605 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:12:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:12:23,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:12:23,706 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707667519] [2019-11-19 21:12:23,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:12:23,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 21:12:23,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053902528] [2019-11-19 21:12:23,712 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 21:12:23,713 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:12:23,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 21:12:23,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 21:12:23,726 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2019-11-19 21:12:23,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:12:23,745 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2019-11-19 21:12:23,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 21:12:23,747 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-19 21:12:23,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:12:23,757 INFO L225 Difference]: With dead ends: 64 [2019-11-19 21:12:23,757 INFO L226 Difference]: Without dead ends: 30 [2019-11-19 21:12:23,760 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 [2019-11-19 21:12:23,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-19 21:12:23,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-19 21:12:23,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-19 21:12:23,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2019-11-19 21:12:23,799 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 10 [2019-11-19 21:12:23,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:12:23,800 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2019-11-19 21:12:23,800 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 21:12:23,800 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2019-11-19 21:12:23,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-19 21:12:23,801 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:12:23,801 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:12:23,802 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:12:23,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:12:23,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1289188121, now seen corresponding path program 1 times [2019-11-19 21:12:23,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:12:23,803 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299429901] [2019-11-19 21:12:23,803 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:12:23,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 21:12:23,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 21:12:23,901 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 21:12:23,901 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-19 21:12:23,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 09:12:23 BoogieIcfgContainer [2019-11-19 21:12:23,931 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 21:12:23,932 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 21:12:23,932 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 21:12:23,932 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 21:12:23,933 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:12:23" (3/4) ... [2019-11-19 21:12:23,936 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 21:12:23,937 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 21:12:23,939 INFO L168 Benchmark]: Toolchain (without parser) took 1363.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -123.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-19 21:12:23,940 INFO L168 Benchmark]: CDTParser took 0.26 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. [2019-11-19 21:12:23,941 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -180.4 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2019-11-19 21:12:23,942 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.21 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. [2019-11-19 21:12:23,942 INFO L168 Benchmark]: Boogie Preprocessor took 39.77 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. [2019-11-19 21:12:23,943 INFO L168 Benchmark]: RCFGBuilder took 451.23 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: 30.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. [2019-11-19 21:12:23,944 INFO L168 Benchmark]: TraceAbstraction took 436.24 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. [2019-11-19 21:12:23,946 INFO L168 Benchmark]: Witness Printer took 5.08 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. [2019-11-19 21:12:23,953 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 384.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -180.4 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.21 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 39.77 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 451.23 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: 30.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 436.24 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. * Witness Printer took 5.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 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 0.1.24-678e011 [2019-11-19 21:12:26,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 21:12:26,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 21:12:26,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 21:12:26,067 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 21:12:26,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 21:12:26,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 21:12:26,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 21:12:26,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 21:12:26,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 21:12:26,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 21:12:26,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 21:12:26,078 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 21:12:26,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 21:12:26,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 21:12:26,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 21:12:26,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 21:12:26,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 21:12:26,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 21:12:26,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 21:12:26,091 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 21:12:26,093 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 21:12:26,094 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 21:12:26,095 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 21:12:26,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 21:12:26,098 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 21:12:26,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 21:12:26,100 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 21:12:26,100 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 21:12:26,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 21:12:26,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 21:12:26,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 21:12:26,104 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 21:12:26,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 21:12:26,106 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 21:12:26,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 21:12:26,111 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 21:12:26,112 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 21:12:26,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 21:12:26,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 21:12:26,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 21:12:26,119 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-19 21:12:26,147 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 21:12:26,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 21:12:26,149 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 21:12:26,150 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 21:12:26,150 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 21:12:26,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 21:12:26,151 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 21:12:26,152 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 21:12:26,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 21:12:26,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 21:12:26,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 21:12:26,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 21:12:26,154 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-19 21:12:26,155 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-19 21:12:26,155 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 21:12:26,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 21:12:26,156 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 21:12:26,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 21:12:26,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 21:12:26,157 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 21:12:26,157 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 21:12:26,158 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 21:12:26,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:12:26,158 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 21:12:26,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 21:12:26,159 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 21:12:26,159 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-19 21:12:26,160 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-19 21:12:26,160 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 21:12:26,160 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-19 21:12:26,160 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 [2019-11-19 21:12:26,498 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 21:12:26,516 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 21:12:26,521 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 21:12:26,522 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 21:12:26,523 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 21:12:26,525 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-11-19 21:12:26,612 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44271eead/8cae6b9381f04a62826e538f7a684829/FLAGa3f928415 [2019-11-19 21:12:27,096 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 21:12:27,097 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-11-19 21:12:27,108 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44271eead/8cae6b9381f04a62826e538f7a684829/FLAGa3f928415 [2019-11-19 21:12:27,515 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44271eead/8cae6b9381f04a62826e538f7a684829 [2019-11-19 21:12:27,519 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 21:12:27,521 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 21:12:27,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 21:12:27,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 21:12:27,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 21:12:27,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:12:27" (1/1) ... [2019-11-19 21:12:27,531 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b32afa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:27, skipping insertion in model container [2019-11-19 21:12:27,531 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:12:27" (1/1) ... [2019-11-19 21:12:27,541 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 21:12:27,562 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 21:12:27,797 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:12:27,804 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 21:12:27,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:12:27,958 INFO L192 MainTranslator]: Completed translation [2019-11-19 21:12:27,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:27 WrapperNode [2019-11-19 21:12:27,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 21:12:27,959 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 21:12:27,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 21:12:27,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 21:12:27,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:27" (1/1) ... [2019-11-19 21:12:27,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:27" (1/1) ... [2019-11-19 21:12:28,008 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 21:12:28,009 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 21:12:28,009 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 21:12:28,009 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 21:12:28,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:27" (1/1) ... [2019-11-19 21:12:28,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:27" (1/1) ... [2019-11-19 21:12:28,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:27" (1/1) ... [2019-11-19 21:12:28,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:27" (1/1) ... [2019-11-19 21:12:28,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:27" (1/1) ... [2019-11-19 21:12:28,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:27" (1/1) ... [2019-11-19 21:12:28,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:27" (1/1) ... [2019-11-19 21:12:28,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 21:12:28,048 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 21:12:28,048 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 21:12:28,049 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 21:12:28,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:27" (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 [2019-11-19 21:12:28,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-19 21:12:28,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-19 21:12:28,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-19 21:12:28,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 21:12:28,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 21:12:28,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 21:12:28,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-19 21:12:28,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 21:12:29,328 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 21:12:29,328 INFO L285 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-19 21:12:29,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:12:29 BoogieIcfgContainer [2019-11-19 21:12:29,330 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 21:12:29,331 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 21:12:29,331 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 21:12:29,334 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 21:12:29,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:12:27" (1/3) ... [2019-11-19 21:12:29,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48cb6dd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:12:29, skipping insertion in model container [2019-11-19 21:12:29,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:12:27" (2/3) ... [2019-11-19 21:12:29,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48cb6dd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:12:29, skipping insertion in model container [2019-11-19 21:12:29,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:12:29" (3/3) ... [2019-11-19 21:12:29,337 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092a.c [2019-11-19 21:12:29,348 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 21:12:29,355 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 21:12:29,365 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 21:12:29,388 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 21:12:29,388 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 21:12:29,388 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 21:12:29,389 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 21:12:29,389 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 21:12:29,389 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 21:12:29,389 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 21:12:29,390 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 21:12:29,405 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-11-19 21:12:29,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-19 21:12:29,412 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:12:29,412 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:12:29,413 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:12:29,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:12:29,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1046119076, now seen corresponding path program 1 times [2019-11-19 21:12:29,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 21:12:29,427 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [882525809] [2019-11-19 21:12:29,427 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 [2019-11-19 21:12:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:12:29,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-19 21:12:29,506 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 21:12:29,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:12:29,519 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 21:12:29,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:12:29,525 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [882525809] [2019-11-19 21:12:29,525 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:12:29,526 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-19 21:12:29,527 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356878339] [2019-11-19 21:12:29,532 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 21:12:29,532 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 21:12:29,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 21:12:29,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 21:12:29,546 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2019-11-19 21:12:29,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:12:29,568 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2019-11-19 21:12:29,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 21:12:29,570 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-19 21:12:29,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:12:29,582 INFO L225 Difference]: With dead ends: 64 [2019-11-19 21:12:29,582 INFO L226 Difference]: Without dead ends: 30 [2019-11-19 21:12:29,586 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 [2019-11-19 21:12:29,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-19 21:12:29,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-19 21:12:29,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-19 21:12:29,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2019-11-19 21:12:29,623 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 10 [2019-11-19 21:12:29,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:12:29,623 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2019-11-19 21:12:29,623 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 21:12:29,624 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2019-11-19 21:12:29,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-19 21:12:29,624 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:12:29,625 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:12:29,837 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-19 21:12:29,838 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:12:29,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:12:29,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1289188121, now seen corresponding path program 1 times [2019-11-19 21:12:29,841 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 21:12:29,841 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1423328230] [2019-11-19 21:12:29,841 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 [2019-11-19 21:12:29,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:12:29,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-19 21:12:29,936 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 21:12:30,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:12:30,029 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 21:12:30,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:12:30,120 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1423328230] [2019-11-19 21:12:30,121 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:12:30,121 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-19 21:12:30,121 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095675360] [2019-11-19 21:12:30,124 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-19 21:12:30,124 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 21:12:30,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-19 21:12:30,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-19 21:12:30,127 INFO L87 Difference]: Start difference. First operand 30 states and 44 transitions. Second operand 8 states. [2019-11-19 21:12:30,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:12:30,490 INFO L93 Difference]: Finished difference Result 37 states and 50 transitions. [2019-11-19 21:12:30,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 21:12:30,491 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-11-19 21:12:30,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:12:30,492 INFO L225 Difference]: With dead ends: 37 [2019-11-19 21:12:30,492 INFO L226 Difference]: Without dead ends: 16 [2019-11-19 21:12:30,493 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 [2019-11-19 21:12:30,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-19 21:12:30,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-19 21:12:30,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-19 21:12:30,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2019-11-19 21:12:30,498 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 11 [2019-11-19 21:12:30,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:12:30,498 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2019-11-19 21:12:30,498 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-19 21:12:30,499 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2019-11-19 21:12:30,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-19 21:12:30,499 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:12:30,499 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:12:30,700 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-19 21:12:30,701 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:12:30,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:12:30,702 INFO L82 PathProgramCache]: Analyzing trace with hash -713684991, now seen corresponding path program 1 times [2019-11-19 21:12:30,703 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 21:12:30,704 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [324114658] [2019-11-19 21:12:30,705 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 [2019-11-19 21:12:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:12:30,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-19 21:12:30,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 21:12:30,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:12:30,930 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 21:12:31,638 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2019-11-19 21:12:31,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:12:31,845 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [324114658] [2019-11-19 21:12:31,845 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:12:31,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-11-19 21:12:31,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168194330] [2019-11-19 21:12:31,847 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 21:12:31,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 21:12:31,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 21:12:31,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-19 21:12:31,849 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 6 states. [2019-11-19 21:12:32,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:12:32,553 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2019-11-19 21:12:32,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 21:12:32,561 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2019-11-19 21:12:32,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:12:32,561 INFO L225 Difference]: With dead ends: 23 [2019-11-19 21:12:32,562 INFO L226 Difference]: Without dead ends: 16 [2019-11-19 21:12:32,562 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 [2019-11-19 21:12:32,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-19 21:12:32,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-19 21:12:32,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-19 21:12:32,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2019-11-19 21:12:32,566 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 14 [2019-11-19 21:12:32,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:12:32,567 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2019-11-19 21:12:32,567 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 21:12:32,567 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2019-11-19 21:12:32,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-19 21:12:32,567 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:12:32,568 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:12:32,779 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-19 21:12:32,780 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:12:32,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:12:32,780 INFO L82 PathProgramCache]: Analyzing trace with hash -1568599403, now seen corresponding path program 1 times [2019-11-19 21:12:32,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 21:12:32,783 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [723195798] [2019-11-19 21:12:32,783 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 [2019-11-19 21:12:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:12:32,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-19 21:12:32,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 21:12:33,042 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 [2019-11-19 21:12:33,048 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-19 21:12:33,051 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 21:12:33,051 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-19 21:12:33,066 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 21:12:33,066 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-19 21:12:33,067 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:50, output treesize:20 [2019-11-19 21:12:33,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:12:33,160 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 21:12:33,243 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 [2019-11-19 21:12:33,248 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-19 21:12:33,254 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 21:12:33,255 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-19 21:12:33,261 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 21:12:33,261 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-19 21:12:33,261 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:15 [2019-11-19 21:12:33,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:12:33,321 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [723195798] [2019-11-19 21:12:33,321 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:12:33,321 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2019-11-19 21:12:33,321 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125282465] [2019-11-19 21:12:33,322 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-19 21:12:33,322 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 21:12:33,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-19 21:12:33,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2019-11-19 21:12:33,323 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 12 states. [2019-11-19 21:12:33,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:12:33,654 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2019-11-19 21:12:33,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 21:12:33,654 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 15 [2019-11-19 21:12:33,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:12:33,654 INFO L225 Difference]: With dead ends: 16 [2019-11-19 21:12:33,655 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 21:12:33,655 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 [2019-11-19 21:12:33,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 21:12:33,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 21:12:33,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 21:12:33,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 21:12:33,656 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-11-19 21:12:33,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:12:33,657 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 21:12:33,657 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-19 21:12:33,657 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 21:12:33,657 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 21:12:33,864 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-19 21:12:33,871 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 21:12:34,062 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 44 [2019-11-19 21:12:34,106 INFO L444 ceAbstractionStarter]: For program point L60(lines 60 72) no Hoare annotation was computed. [2019-11-19 21:12:34,107 INFO L444 ceAbstractionStarter]: For program point L52(lines 52 55) no Hoare annotation was computed. [2019-11-19 21:12:34,107 INFO L444 ceAbstractionStarter]: For program point L44(lines 44 49) no Hoare annotation was computed. [2019-11-19 21:12:34,107 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 21:12:34,107 INFO L444 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2019-11-19 21:12:34,107 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 21:12:34,107 INFO L444 ceAbstractionStarter]: For program point L61-1(lines 61 70) no Hoare annotation was computed. [2019-11-19 21:12:34,107 INFO L444 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2019-11-19 21:12:34,108 INFO L444 ceAbstractionStarter]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2019-11-19 21:12:34,108 INFO L444 ceAbstractionStarter]: For program point L95(lines 95 98) no Hoare annotation was computed. [2019-11-19 21:12:34,108 INFO L444 ceAbstractionStarter]: For program point L62(lines 62 69) no Hoare annotation was computed. [2019-11-19 21:12:34,108 INFO L444 ceAbstractionStarter]: For program point L29(lines 29 73) no Hoare annotation was computed. [2019-11-19 21:12:34,109 INFO L444 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2019-11-19 21:12:34,109 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 50) no Hoare annotation was computed. [2019-11-19 21:12:34,109 INFO L444 ceAbstractionStarter]: For program point L22-1(lines 22 27) no Hoare annotation was computed. [2019-11-19 21:12:34,109 INFO L440 ceAbstractionStarter]: At program point L22-2(lines 22 27) the Hoare annotation is: (and (= ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_ceil~0) (= 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))))) [2019-11-19 21:12:34,110 INFO L444 ceAbstractionStarter]: For program point L22-3(lines 22 27) no Hoare annotation was computed. [2019-11-19 21:12:34,110 INFO L440 ceAbstractionStarter]: 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) roundNearestTiesToEven 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))) (= (bvadd ULTIMATE.start_ceil_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 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))))) (= ULTIMATE.start_main_~x~0 (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_ceil_double_~x .cse0))) [2019-11-19 21:12:34,111 INFO L444 ceAbstractionStarter]: For program point L31(lines 31 39) no Hoare annotation was computed. [2019-11-19 21:12:34,111 INFO L444 ceAbstractionStarter]: For program point L32(lines 32 38) no Hoare annotation was computed. [2019-11-19 21:12:34,111 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 21:12:34,112 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 96) no Hoare annotation was computed. [2019-11-19 21:12:34,112 INFO L444 ceAbstractionStarter]: For program point L74(lines 74 79) no Hoare annotation was computed. [2019-11-19 21:12:34,112 INFO L444 ceAbstractionStarter]: For program point L74-1(lines 19 81) no Hoare annotation was computed. [2019-11-19 21:12:34,112 INFO L444 ceAbstractionStarter]: For program point L74-2(lines 74 79) no Hoare annotation was computed. [2019-11-19 21:12:34,112 INFO L444 ceAbstractionStarter]: For program point L66(lines 66 67) no Hoare annotation was computed. [2019-11-19 21:12:34,113 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 21:12:34,113 INFO L444 ceAbstractionStarter]: For program point L66-2(lines 66 67) no Hoare annotation was computed. [2019-11-19 21:12:34,113 INFO L444 ceAbstractionStarter]: For program point L58(lines 58 59) no Hoare annotation was computed. [2019-11-19 21:12:34,113 INFO L444 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2019-11-19 21:12:34,114 INFO L447 ceAbstractionStarter]: At program point L100(lines 83 101) the Hoare annotation is: true [2019-11-19 21:12:34,114 INFO L444 ceAbstractionStarter]: For program point L51(lines 51 73) no Hoare annotation was computed. [2019-11-19 21:12:34,114 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 38) no Hoare annotation was computed. [2019-11-19 21:12:34,119 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:556) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:256) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:213) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) 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) [2019-11-19 21:12:34,124 INFO L168 Benchmark]: Toolchain (without parser) took 6603.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 960.4 MB in the beginning and 958.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 143.8 MB. Max. memory is 11.5 GB. [2019-11-19 21:12:34,125 INFO L168 Benchmark]: CDTParser took 0.34 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. [2019-11-19 21:12:34,126 INFO L168 Benchmark]: CACSL2BoogieTranslator took 436.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -171.7 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-11-19 21:12:34,127 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.85 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. [2019-11-19 21:12:34,127 INFO L168 Benchmark]: Boogie Preprocessor took 38.91 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. [2019-11-19 21:12:34,128 INFO L168 Benchmark]: RCFGBuilder took 1281.89 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: 31.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2019-11-19 21:12:34,129 INFO L168 Benchmark]: TraceAbstraction took 4791.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 958.6 MB in the end (delta: 141.7 MB). Peak memory consumption was 141.7 MB. Max. memory is 11.5 GB. [2019-11-19 21:12:34,133 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 436.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -171.7 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.85 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 38.91 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 1281.89 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: 31.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4791.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 958.6 MB in the end (delta: 141.7 MB). Peak memory consumption was 141.7 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...