./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 f6fb2bb1 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-f6fb2bb [2019-11-19 18:47:15,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 18:47:15,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 18:47:15,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 18:47:15,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 18:47:15,647 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 18:47:15,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 18:47:15,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 18:47:15,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 18:47:15,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 18:47:15,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 18:47:15,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 18:47:15,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 18:47:15,659 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 18:47:15,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 18:47:15,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 18:47:15,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 18:47:15,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 18:47:15,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 18:47:15,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 18:47:15,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 18:47:15,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 18:47:15,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 18:47:15,674 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 18:47:15,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 18:47:15,678 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 18:47:15,678 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 18:47:15,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 18:47:15,680 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 18:47:15,681 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 18:47:15,681 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 18:47:15,683 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 18:47:15,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 18:47:15,685 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 18:47:15,686 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 18:47:15,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 18:47:15,687 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 18:47:15,688 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 18:47:15,688 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 18:47:15,689 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 18:47:15,690 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 18:47:15,691 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 18:47:15,707 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 18:47:15,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 18:47:15,710 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 18:47:15,710 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 18:47:15,710 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 18:47:15,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 18:47:15,711 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 18:47:15,711 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 18:47:15,712 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 18:47:15,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 18:47:15,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 18:47:15,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 18:47:15,713 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 18:47:15,713 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 18:47:15,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 18:47:15,714 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 18:47:15,714 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 18:47:15,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 18:47:15,715 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 18:47:15,715 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 18:47:15,715 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 18:47:15,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 18:47:15,716 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 18:47:15,716 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 18:47:15,716 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 18:47:15,717 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 18:47:15,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 18:47:15,717 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 18:47:15,717 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 18:47:16,054 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 18:47:16,070 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 18:47:16,074 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 18:47:16,076 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 18:47:16,077 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 18:47:16,078 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-11-19 18:47:16,150 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74c6b23aa/6e618810e113442a93605ee1dc205a25/FLAG09c85cd86 [2019-11-19 18:47:16,660 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 18:47:16,661 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-11-19 18:47:16,668 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74c6b23aa/6e618810e113442a93605ee1dc205a25/FLAG09c85cd86 [2019-11-19 18:47:17,056 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74c6b23aa/6e618810e113442a93605ee1dc205a25 [2019-11-19 18:47:17,060 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 18:47:17,062 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 18:47:17,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 18:47:17,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 18:47:17,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 18:47:17,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:47:17" (1/1) ... [2019-11-19 18:47:17,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63051e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:17, skipping insertion in model container [2019-11-19 18:47:17,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:47:17" (1/1) ... [2019-11-19 18:47:17,079 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 18:47:17,109 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 18:47:17,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 18:47:17,428 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 18:47:17,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 18:47:17,631 INFO L192 MainTranslator]: Completed translation [2019-11-19 18:47:17,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:17 WrapperNode [2019-11-19 18:47:17,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 18:47:17,635 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 18:47:17,636 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 18:47:17,636 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 18:47:17,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:17" (1/1) ... [2019-11-19 18:47:17,674 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:17" (1/1) ... [2019-11-19 18:47:17,718 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 18:47:17,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 18:47:17,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 18:47:17,721 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 18:47:17,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:17" (1/1) ... [2019-11-19 18:47:17,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:17" (1/1) ... [2019-11-19 18:47:17,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:17" (1/1) ... [2019-11-19 18:47:17,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:17" (1/1) ... [2019-11-19 18:47:17,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:17" (1/1) ... [2019-11-19 18:47:17,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:17" (1/1) ... [2019-11-19 18:47:17,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:17" (1/1) ... [2019-11-19 18:47:17,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 18:47:17,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 18:47:17,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 18:47:17,777 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 18:47:17,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:17" (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 18:47:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-19 18:47:17,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 18:47:17,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-19 18:47:17,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 18:47:17,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 18:47:17,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 18:47:17,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 18:47:17,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 18:47:18,248 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 18:47:18,248 INFO L285 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-19 18:47:18,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:47:18 BoogieIcfgContainer [2019-11-19 18:47:18,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 18:47:18,251 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 18:47:18,252 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 18:47:18,255 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 18:47:18,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:47:17" (1/3) ... [2019-11-19 18:47:18,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@649c5eb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:47:18, skipping insertion in model container [2019-11-19 18:47:18,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:17" (2/3) ... [2019-11-19 18:47:18,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@649c5eb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:47:18, skipping insertion in model container [2019-11-19 18:47:18,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:47:18" (3/3) ... [2019-11-19 18:47:18,261 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092a.c [2019-11-19 18:47:18,271 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 18:47:18,278 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 18:47:18,289 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 18:47:18,312 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 18:47:18,312 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 18:47:18,312 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 18:47:18,313 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 18:47:18,313 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 18:47:18,313 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 18:47:18,313 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 18:47:18,314 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 18:47:18,326 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-11-19 18:47:18,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-19 18:47:18,332 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:47:18,334 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:47:18,335 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:47:18,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:47:18,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1046119076, now seen corresponding path program 1 times [2019-11-19 18:47:18,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:47:18,348 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509190256] [2019-11-19 18:47:18,348 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:47:18,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:47:18,449 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 18:47:18,450 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509190256] [2019-11-19 18:47:18,450 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:47:18,451 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 18:47:18,451 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398349763] [2019-11-19 18:47:18,455 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 18:47:18,455 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:47:18,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 18:47:18,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 18:47:18,467 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2019-11-19 18:47:18,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:47:18,484 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2019-11-19 18:47:18,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 18:47:18,486 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-19 18:47:18,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:47:18,494 INFO L225 Difference]: With dead ends: 64 [2019-11-19 18:47:18,494 INFO L226 Difference]: Without dead ends: 30 [2019-11-19 18:47:18,497 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 18:47:18,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-19 18:47:18,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-19 18:47:18,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-19 18:47:18,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2019-11-19 18:47:18,529 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 10 [2019-11-19 18:47:18,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:47:18,529 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2019-11-19 18:47:18,529 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 18:47:18,530 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2019-11-19 18:47:18,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-19 18:47:18,530 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:47:18,531 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:47:18,531 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:47:18,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:47:18,531 INFO L82 PathProgramCache]: Analyzing trace with hash -1289188121, now seen corresponding path program 1 times [2019-11-19 18:47:18,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:47:18,532 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123324844] [2019-11-19 18:47:18,532 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:47:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 18:47:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 18:47:18,641 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 18:47:18,642 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-19 18:47:18,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 06:47:18 BoogieIcfgContainer [2019-11-19 18:47:18,669 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 18:47:18,670 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 18:47:18,670 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 18:47:18,670 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 18:47:18,670 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:47:18" (3/4) ... [2019-11-19 18:47:18,674 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 18:47:18,674 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 18:47:18,676 INFO L168 Benchmark]: Toolchain (without parser) took 1614.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -141.8 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-11-19 18:47:18,677 INFO L168 Benchmark]: CDTParser took 0.45 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 18:47:18,678 INFO L168 Benchmark]: CACSL2BoogieTranslator took 571.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -193.0 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-11-19 18:47:18,679 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.32 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 18:47:18,679 INFO L168 Benchmark]: Boogie Preprocessor took 55.32 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 18:47:18,680 INFO L168 Benchmark]: RCFGBuilder took 473.40 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: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-11-19 18:47:18,681 INFO L168 Benchmark]: TraceAbstraction took 417.76 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: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2019-11-19 18:47:18,681 INFO L168 Benchmark]: Witness Printer took 4.30 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 18:47:18,686 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 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 571.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -193.0 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 85.32 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 55.32 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 473.40 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: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 417.76 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: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.30 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-f6fb2bb [2019-11-19 18:47:20,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 18:47:20,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 18:47:20,758 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 18:47:20,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 18:47:20,761 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 18:47:20,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 18:47:20,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 18:47:20,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 18:47:20,782 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 18:47:20,783 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 18:47:20,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 18:47:20,785 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 18:47:20,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 18:47:20,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 18:47:20,792 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 18:47:20,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 18:47:20,795 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 18:47:20,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 18:47:20,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 18:47:20,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 18:47:20,810 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 18:47:20,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 18:47:20,815 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 18:47:20,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 18:47:20,817 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 18:47:20,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 18:47:20,818 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 18:47:20,819 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 18:47:20,820 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 18:47:20,820 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 18:47:20,821 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 18:47:20,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 18:47:20,822 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 18:47:20,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 18:47:20,824 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 18:47:20,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 18:47:20,825 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 18:47:20,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 18:47:20,826 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 18:47:20,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 18:47:20,827 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-19 18:47:20,856 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 18:47:20,856 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 18:47:20,860 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 18:47:20,860 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 18:47:20,860 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 18:47:20,860 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 18:47:20,861 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 18:47:20,861 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 18:47:20,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 18:47:20,861 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 18:47:20,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 18:47:20,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 18:47:20,862 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-19 18:47:20,862 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-19 18:47:20,862 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 18:47:20,863 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 18:47:20,863 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 18:47:20,863 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 18:47:20,863 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 18:47:20,863 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 18:47:20,864 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 18:47:20,864 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 18:47:20,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 18:47:20,864 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 18:47:20,865 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 18:47:20,865 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 18:47:20,865 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-19 18:47:20,865 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-19 18:47:20,865 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 18:47:20,866 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-19 18:47:20,866 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 18:47:21,157 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 18:47:21,178 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 18:47:21,182 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 18:47:21,185 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 18:47:21,186 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 18:47:21,187 INFO L428 ainManager$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 18:47:21,257 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01128da54/67c976ab8e204fa9a7ce2d090f0a0f06/FLAG41ac0306f [2019-11-19 18:47:21,740 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 18:47:21,741 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-11-19 18:47:21,749 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01128da54/67c976ab8e204fa9a7ce2d090f0a0f06/FLAG41ac0306f [2019-11-19 18:47:22,154 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01128da54/67c976ab8e204fa9a7ce2d090f0a0f06 [2019-11-19 18:47:22,157 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 18:47:22,159 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 18:47:22,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 18:47:22,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 18:47:22,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 18:47:22,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:47:22" (1/1) ... [2019-11-19 18:47:22,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8abb366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:22, skipping insertion in model container [2019-11-19 18:47:22,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:47:22" (1/1) ... [2019-11-19 18:47:22,175 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 18:47:22,202 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 18:47:22,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 18:47:22,401 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 18:47:22,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 18:47:22,544 INFO L192 MainTranslator]: Completed translation [2019-11-19 18:47:22,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:22 WrapperNode [2019-11-19 18:47:22,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 18:47:22,546 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 18:47:22,546 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 18:47:22,546 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 18:47:22,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:22" (1/1) ... [2019-11-19 18:47:22,567 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:22" (1/1) ... [2019-11-19 18:47:22,592 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 18:47:22,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 18:47:22,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 18:47:22,593 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 18:47:22,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:22" (1/1) ... [2019-11-19 18:47:22,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:22" (1/1) ... [2019-11-19 18:47:22,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:22" (1/1) ... [2019-11-19 18:47:22,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:22" (1/1) ... [2019-11-19 18:47:22,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:22" (1/1) ... [2019-11-19 18:47:22,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:22" (1/1) ... [2019-11-19 18:47:22,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:22" (1/1) ... [2019-11-19 18:47:22,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 18:47:22,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 18:47:22,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 18:47:22,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 18:47:22,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:22" (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 18:47:22,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-19 18:47:22,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-19 18:47:22,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-19 18:47:22,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 18:47:22,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 18:47:22,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 18:47:22,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-19 18:47:22,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 18:47:23,871 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 18:47:23,872 INFO L285 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-19 18:47:23,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:47:23 BoogieIcfgContainer [2019-11-19 18:47:23,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 18:47:23,875 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 18:47:23,875 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 18:47:23,878 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 18:47:23,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:47:22" (1/3) ... [2019-11-19 18:47:23,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47b2b6da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:47:23, skipping insertion in model container [2019-11-19 18:47:23,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:22" (2/3) ... [2019-11-19 18:47:23,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47b2b6da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:47:23, skipping insertion in model container [2019-11-19 18:47:23,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:47:23" (3/3) ... [2019-11-19 18:47:23,882 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092a.c [2019-11-19 18:47:23,892 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 18:47:23,900 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 18:47:23,910 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 18:47:23,937 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 18:47:23,937 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 18:47:23,938 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 18:47:23,938 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 18:47:23,938 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 18:47:23,939 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 18:47:23,939 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 18:47:23,939 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 18:47:23,954 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-11-19 18:47:23,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-19 18:47:23,961 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:47:23,962 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:47:23,962 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:47:23,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:47:23,967 INFO L82 PathProgramCache]: Analyzing trace with hash 1046119076, now seen corresponding path program 1 times [2019-11-19 18:47:23,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 18:47:23,976 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [948709952] [2019-11-19 18:47:23,976 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 18:47:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:47:24,044 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-19 18:47:24,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 18:47:24,060 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 18:47:24,060 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 18:47:24,064 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 18:47:24,066 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [948709952] [2019-11-19 18:47:24,066 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:47:24,067 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-19 18:47:24,068 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294852796] [2019-11-19 18:47:24,072 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 18:47:24,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 18:47:24,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 18:47:24,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 18:47:24,089 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2019-11-19 18:47:24,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:47:24,109 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2019-11-19 18:47:24,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 18:47:24,111 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-19 18:47:24,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:47:24,121 INFO L225 Difference]: With dead ends: 64 [2019-11-19 18:47:24,121 INFO L226 Difference]: Without dead ends: 30 [2019-11-19 18:47:24,124 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 18:47:24,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-19 18:47:24,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-19 18:47:24,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-19 18:47:24,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2019-11-19 18:47:24,161 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 10 [2019-11-19 18:47:24,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:47:24,162 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2019-11-19 18:47:24,162 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 18:47:24,162 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2019-11-19 18:47:24,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-19 18:47:24,163 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:47:24,163 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:47:24,374 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-19 18:47:24,380 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:47:24,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:47:24,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1289188121, now seen corresponding path program 1 times [2019-11-19 18:47:24,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 18:47:24,382 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1262845673] [2019-11-19 18:47:24,382 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 18:47:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:47:24,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-19 18:47:24,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 18:47:24,560 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 18:47:24,561 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 18:47:24,664 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 18:47:24,665 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1262845673] [2019-11-19 18:47:24,665 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:47:24,665 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-19 18:47:24,666 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745804350] [2019-11-19 18:47:24,668 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-19 18:47:24,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 18:47:24,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-19 18:47:24,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-19 18:47:24,669 INFO L87 Difference]: Start difference. First operand 30 states and 44 transitions. Second operand 8 states. [2019-11-19 18:47:25,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:47:25,113 INFO L93 Difference]: Finished difference Result 37 states and 50 transitions. [2019-11-19 18:47:25,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 18:47:25,114 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-11-19 18:47:25,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:47:25,115 INFO L225 Difference]: With dead ends: 37 [2019-11-19 18:47:25,115 INFO L226 Difference]: Without dead ends: 16 [2019-11-19 18:47:25,116 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 18:47:25,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-19 18:47:25,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-19 18:47:25,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-19 18:47:25,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2019-11-19 18:47:25,121 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 11 [2019-11-19 18:47:25,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:47:25,122 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2019-11-19 18:47:25,122 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-19 18:47:25,122 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2019-11-19 18:47:25,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-19 18:47:25,123 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:47:25,123 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:47:25,338 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-19 18:47:25,338 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:47:25,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:47:25,339 INFO L82 PathProgramCache]: Analyzing trace with hash -713684991, now seen corresponding path program 1 times [2019-11-19 18:47:25,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 18:47:25,340 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1263392753] [2019-11-19 18:47:25,340 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 18:47:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:47:25,487 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-19 18:47:25,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 18:47:25,535 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 18:47:25,535 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 18:47:26,232 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2019-11-19 18:47:26,463 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 18:47:26,463 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1263392753] [2019-11-19 18:47:26,464 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:47:26,464 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-11-19 18:47:26,465 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206244287] [2019-11-19 18:47:26,465 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 18:47:26,466 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 18:47:26,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 18:47:26,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-19 18:47:26,467 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 6 states. [2019-11-19 18:47:26,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:47:26,840 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2019-11-19 18:47:26,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 18:47:26,850 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2019-11-19 18:47:26,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:47:26,850 INFO L225 Difference]: With dead ends: 23 [2019-11-19 18:47:26,851 INFO L226 Difference]: Without dead ends: 16 [2019-11-19 18:47:26,851 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 18:47:26,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-19 18:47:26,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-19 18:47:26,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-19 18:47:26,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2019-11-19 18:47:26,855 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 14 [2019-11-19 18:47:26,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:47:26,856 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2019-11-19 18:47:26,856 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 18:47:26,856 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2019-11-19 18:47:26,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-19 18:47:26,857 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:47:26,857 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:47:27,062 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-19 18:47:27,062 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:47:27,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:47:27,063 INFO L82 PathProgramCache]: Analyzing trace with hash -1568599403, now seen corresponding path program 1 times [2019-11-19 18:47:27,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 18:47:27,066 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [149832604] [2019-11-19 18:47:27,067 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 18:47:27,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:47:27,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-19 18:47:27,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 18:47:27,324 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 18:47:27,332 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-19 18:47:27,335 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 18:47:27,335 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-19 18:47:27,345 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 18:47:27,346 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 18:47:27,346 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:50, output treesize:20 [2019-11-19 18:47:27,431 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 18:47:27,431 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 18:47:27,506 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 18:47:27,510 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-19 18:47:27,516 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 18:47:27,516 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-19 18:47:27,522 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 18:47:27,523 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 18:47:27,523 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:15 [2019-11-19 18:47:27,584 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 18:47:27,585 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [149832604] [2019-11-19 18:47:27,585 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:47:27,585 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2019-11-19 18:47:27,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699296366] [2019-11-19 18:47:27,586 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-19 18:47:27,586 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 18:47:27,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-19 18:47:27,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2019-11-19 18:47:27,587 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 12 states. [2019-11-19 18:47:27,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:47:27,948 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2019-11-19 18:47:27,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 18:47:27,949 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 15 [2019-11-19 18:47:27,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:47:27,950 INFO L225 Difference]: With dead ends: 16 [2019-11-19 18:47:27,950 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 18:47:27,950 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 18:47:27,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 18:47:27,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 18:47:27,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 18:47:27,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 18:47:27,952 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-11-19 18:47:27,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:47:27,953 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 18:47:27,953 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-19 18:47:27,954 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 18:47:27,954 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 18:47:28,158 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-19 18:47:28,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 18:47:28,348 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 44 [2019-11-19 18:47:28,386 INFO L444 ceAbstractionStarter]: For program point L60(lines 60 72) no Hoare annotation was computed. [2019-11-19 18:47:28,386 INFO L444 ceAbstractionStarter]: For program point L52(lines 52 55) no Hoare annotation was computed. [2019-11-19 18:47:28,386 INFO L444 ceAbstractionStarter]: For program point L44(lines 44 49) no Hoare annotation was computed. [2019-11-19 18:47:28,386 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 18:47:28,386 INFO L444 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2019-11-19 18:47:28,386 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 18:47:28,386 INFO L444 ceAbstractionStarter]: For program point L61-1(lines 61 70) no Hoare annotation was computed. [2019-11-19 18:47:28,387 INFO L444 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2019-11-19 18:47:28,387 INFO L444 ceAbstractionStarter]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2019-11-19 18:47:28,387 INFO L444 ceAbstractionStarter]: For program point L95(lines 95 98) no Hoare annotation was computed. [2019-11-19 18:47:28,387 INFO L444 ceAbstractionStarter]: For program point L62(lines 62 69) no Hoare annotation was computed. [2019-11-19 18:47:28,387 INFO L444 ceAbstractionStarter]: For program point L29(lines 29 73) no Hoare annotation was computed. [2019-11-19 18:47:28,387 INFO L444 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2019-11-19 18:47:28,387 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 50) no Hoare annotation was computed. [2019-11-19 18:47:28,387 INFO L444 ceAbstractionStarter]: For program point L22-1(lines 22 27) no Hoare annotation was computed. [2019-11-19 18:47:28,388 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 18:47:28,388 INFO L444 ceAbstractionStarter]: For program point L22-3(lines 22 27) no Hoare annotation was computed. [2019-11-19 18:47:28,388 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 18:47:28,389 INFO L444 ceAbstractionStarter]: For program point L31(lines 31 39) no Hoare annotation was computed. [2019-11-19 18:47:28,389 INFO L444 ceAbstractionStarter]: For program point L32(lines 32 38) no Hoare annotation was computed. [2019-11-19 18:47:28,389 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 18:47:28,389 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 96) no Hoare annotation was computed. [2019-11-19 18:47:28,389 INFO L444 ceAbstractionStarter]: For program point L74(lines 74 79) no Hoare annotation was computed. [2019-11-19 18:47:28,389 INFO L444 ceAbstractionStarter]: For program point L74-1(lines 19 81) no Hoare annotation was computed. [2019-11-19 18:47:28,390 INFO L444 ceAbstractionStarter]: For program point L74-2(lines 74 79) no Hoare annotation was computed. [2019-11-19 18:47:28,390 INFO L444 ceAbstractionStarter]: For program point L66(lines 66 67) no Hoare annotation was computed. [2019-11-19 18:47:28,390 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 18:47:28,390 INFO L444 ceAbstractionStarter]: For program point L66-2(lines 66 67) no Hoare annotation was computed. [2019-11-19 18:47:28,390 INFO L444 ceAbstractionStarter]: For program point L58(lines 58 59) no Hoare annotation was computed. [2019-11-19 18:47:28,390 INFO L444 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2019-11-19 18:47:28,390 INFO L447 ceAbstractionStarter]: At program point L100(lines 83 101) the Hoare annotation is: true [2019-11-19 18:47:28,391 INFO L444 ceAbstractionStarter]: For program point L51(lines 51 73) no Hoare annotation was computed. [2019-11-19 18:47:28,391 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 38) no Hoare annotation was computed. [2019-11-19 18:47:28,395 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 18:47:28,398 INFO L168 Benchmark]: Toolchain (without parser) took 6239.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 957.7 MB in the beginning and 966.6 MB in the end (delta: -8.9 MB). Peak memory consumption was 133.2 MB. Max. memory is 11.5 GB. [2019-11-19 18:47:28,399 INFO L168 Benchmark]: CDTParser took 0.33 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 18:47:28,400 INFO L168 Benchmark]: CACSL2BoogieTranslator took 385.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -174.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-11-19 18:47:28,401 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-19 18:47:28,401 INFO L168 Benchmark]: Boogie Preprocessor took 40.18 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 18:47:28,402 INFO L168 Benchmark]: RCFGBuilder took 1240.47 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: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-11-19 18:47:28,403 INFO L168 Benchmark]: TraceAbstraction took 4521.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 966.6 MB in the end (delta: 139.3 MB). Peak memory consumption was 139.3 MB. Max. memory is 11.5 GB. [2019-11-19 18:47:28,407 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 385.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -174.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.18 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 1240.47 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: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4521.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 966.6 MB in the end (delta: 139.3 MB). Peak memory consumption was 139.3 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...