./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9260470f8c7c4335e2f803d157cd5a7c9159336c ............................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9260470f8c7c4335e2f803d157cd5a7c9159336c ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.25-9a8b2e8 [2020-10-20 00:33:06,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:33:06,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:33:06,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:33:06,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:33:06,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:33:06,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:33:06,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:33:06,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:33:06,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:33:06,578 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:33:06,582 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:33:06,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:33:06,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:33:06,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:33:06,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:33:06,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:33:06,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:33:06,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:33:06,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:33:06,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:33:06,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:33:06,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:33:06,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:33:06,615 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:33:06,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:33:06,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:33:06,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:33:06,626 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:33:06,627 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:33:06,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:33:06,629 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:33:06,629 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:33:06,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:33:06,638 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:33:06,640 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:33:06,641 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:33:06,643 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:33:06,643 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:33:06,644 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:33:06,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:33:06,647 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 00:33:06,694 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:33:06,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:33:06,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:33:06,698 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:33:06,698 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:33:06,699 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:33:06,699 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:33:06,699 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 00:33:06,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:33:06,700 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:33:06,701 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:33:06,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:33:06,701 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:33:06,702 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:33:06,702 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:33:06,702 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:33:06,703 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:33:06,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:33:06,703 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:33:06,703 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:33:06,704 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:33:06,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:33:06,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:33:06,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:33:06,705 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:33:06,705 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 00:33:06,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 00:33:06,705 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:33:06,706 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:33:06,706 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9260470f8c7c4335e2f803d157cd5a7c9159336c [2020-10-20 00:33:06,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:33:06,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:33:06,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:33:06,948 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:33:06,949 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:33:06,949 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c [2020-10-20 00:33:07,016 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f549263a/7e05734a1f194146aa5dcea8f5482c6d/FLAG6d952045f [2020-10-20 00:33:07,466 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:33:07,466 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c [2020-10-20 00:33:07,474 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f549263a/7e05734a1f194146aa5dcea8f5482c6d/FLAG6d952045f [2020-10-20 00:33:07,883 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f549263a/7e05734a1f194146aa5dcea8f5482c6d [2020-10-20 00:33:07,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:33:07,894 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:33:07,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:33:07,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:33:07,898 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:33:07,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:33:07" (1/1) ... [2020-10-20 00:33:07,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1da38a5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:07, skipping insertion in model container [2020-10-20 00:33:07,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:33:07" (1/1) ... [2020-10-20 00:33:07,910 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:33:07,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:33:08,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:33:08,220 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:33:08,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:33:08,305 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:33:08,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:08 WrapperNode [2020-10-20 00:33:08,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:33:08,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:33:08,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:33:08,308 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:33:08,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:08" (1/1) ... [2020-10-20 00:33:08,350 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:08" (1/1) ... [2020-10-20 00:33:08,412 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:33:08,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:33:08,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:33:08,413 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:33:08,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:08" (1/1) ... [2020-10-20 00:33:08,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:08" (1/1) ... [2020-10-20 00:33:08,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:08" (1/1) ... [2020-10-20 00:33:08,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:08" (1/1) ... [2020-10-20 00:33:08,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:08" (1/1) ... [2020-10-20 00:33:08,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:08" (1/1) ... [2020-10-20 00:33:08,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:08" (1/1) ... [2020-10-20 00:33:08,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:33:08,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:33:08,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:33:08,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:33:08,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:33:08,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 00:33:08,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:33:08,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-20 00:33:08,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 00:33:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-20 00:33:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:33:08,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:33:08,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-20 00:33:08,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 00:33:08,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:33:09,147 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:33:09,148 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-10-20 00:33:09,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:33:09 BoogieIcfgContainer [2020-10-20 00:33:09,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:33:09,151 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:33:09,151 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:33:09,155 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:33:09,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:33:07" (1/3) ... [2020-10-20 00:33:09,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1426a1a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:33:09, skipping insertion in model container [2020-10-20 00:33:09,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:08" (2/3) ... [2020-10-20 00:33:09,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1426a1a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:33:09, skipping insertion in model container [2020-10-20 00:33:09,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:33:09" (3/3) ... [2020-10-20 00:33:09,159 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1211a.c [2020-10-20 00:33:09,171 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:33:09,179 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:33:09,193 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:33:09,229 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:33:09,229 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:33:09,230 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:33:09,230 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:33:09,230 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:33:09,231 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:33:09,231 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:33:09,231 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:33:09,248 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2020-10-20 00:33:09,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-20 00:33:09,256 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:33:09,257 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:33:09,258 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:33:09,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:33:09,265 INFO L82 PathProgramCache]: Analyzing trace with hash -892017235, now seen corresponding path program 1 times [2020-10-20 00:33:09,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:33:09,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836364167] [2020-10-20 00:33:09,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:33:09,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:33:09,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:33:09,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836364167] [2020-10-20 00:33:09,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:33:09,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 00:33:09,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556391740] [2020-10-20 00:33:09,430 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:33:09,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:33:09,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:33:09,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:33:09,448 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 2 states. [2020-10-20 00:33:09,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:33:09,472 INFO L93 Difference]: Finished difference Result 103 states and 165 transitions. [2020-10-20 00:33:09,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:33:09,474 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2020-10-20 00:33:09,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:33:09,486 INFO L225 Difference]: With dead ends: 103 [2020-10-20 00:33:09,486 INFO L226 Difference]: Without dead ends: 49 [2020-10-20 00:33:09,490 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:33:09,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-20 00:33:09,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-10-20 00:33:09,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-20 00:33:09,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2020-10-20 00:33:09,526 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 15 [2020-10-20 00:33:09,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:33:09,526 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2020-10-20 00:33:09,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:33:09,527 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2020-10-20 00:33:09,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-20 00:33:09,528 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:33:09,528 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:33:09,528 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 00:33:09,529 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:33:09,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:33:09,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1752581688, now seen corresponding path program 1 times [2020-10-20 00:33:09,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:33:09,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937338978] [2020-10-20 00:33:09,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:33:09,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:33:09,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:33:09,716 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937338978] [2020-10-20 00:33:09,716 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:33:09,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 00:33:09,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770217012] [2020-10-20 00:33:09,718 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 00:33:09,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:33:09,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 00:33:09,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 00:33:09,719 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand 3 states. [2020-10-20 00:33:09,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:33:09,739 INFO L93 Difference]: Finished difference Result 52 states and 57 transitions. [2020-10-20 00:33:09,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 00:33:09,740 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-10-20 00:33:09,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:33:09,741 INFO L225 Difference]: With dead ends: 52 [2020-10-20 00:33:09,741 INFO L226 Difference]: Without dead ends: 49 [2020-10-20 00:33:09,742 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 00:33:09,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-20 00:33:09,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-10-20 00:33:09,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-20 00:33:09,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2020-10-20 00:33:09,749 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 54 transitions. Word has length 18 [2020-10-20 00:33:09,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:33:09,749 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 54 transitions. [2020-10-20 00:33:09,749 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 00:33:09,749 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2020-10-20 00:33:09,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-20 00:33:09,750 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:33:09,751 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:33:09,751 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 00:33:09,751 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:33:09,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:33:09,752 INFO L82 PathProgramCache]: Analyzing trace with hash 581418946, now seen corresponding path program 1 times [2020-10-20 00:33:09,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:33:09,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7510552] [2020-10-20 00:33:09,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:33:09,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:33:09,850 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:33:09,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:33:09,931 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:33:09,994 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 00:33:09,998 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:33:09,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 00:33:10,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:33:10 BoogieIcfgContainer [2020-10-20 00:33:10,098 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:33:10,098 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:33:10,098 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:33:10,099 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:33:10,100 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:33:09" (3/4) ... [2020-10-20 00:33:10,104 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 00:33:10,105 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:33:10,109 INFO L168 Benchmark]: Toolchain (without parser) took 2218.18 ms. Allocated memory was 36.7 MB in the beginning and 53.0 MB in the end (delta: 16.3 MB). Free memory was 19.9 MB in the beginning and 31.8 MB in the end (delta: -11.9 MB). Peak memory consumption was 4.4 MB. Max. memory is 14.3 GB. [2020-10-20 00:33:10,110 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 34.1 MB. Free memory was 12.5 MB in the beginning and 12.5 MB in the end (delta: 47.5 kB). Peak memory consumption was 47.5 kB. Max. memory is 14.3 GB. [2020-10-20 00:33:10,119 INFO L168 Benchmark]: CACSL2BoogieTranslator took 412.07 ms. Allocated memory was 36.7 MB in the beginning and 44.0 MB in the end (delta: 7.3 MB). Free memory was 19.0 MB in the beginning and 22.9 MB in the end (delta: -3.9 MB). Peak memory consumption was 10.1 MB. Max. memory is 14.3 GB. [2020-10-20 00:33:10,120 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.29 ms. Allocated memory is still 44.0 MB. Free memory was 22.7 MB in the beginning and 20.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:33:10,122 INFO L168 Benchmark]: Boogie Preprocessor took 54.14 ms. Allocated memory is still 44.0 MB. Free memory was 20.1 MB in the beginning and 17.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:33:10,124 INFO L168 Benchmark]: RCFGBuilder took 683.27 ms. Allocated memory was 44.0 MB in the beginning and 46.7 MB in the end (delta: 2.6 MB). Free memory was 17.6 MB in the beginning and 13.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 10.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:33:10,129 INFO L168 Benchmark]: TraceAbstraction took 946.45 ms. Allocated memory was 46.7 MB in the beginning and 53.0 MB in the end (delta: 6.3 MB). Free memory was 13.2 MB in the beginning and 32.2 MB in the end (delta: -19.0 MB). Peak memory consumption was 9.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:33:10,132 INFO L168 Benchmark]: Witness Printer took 6.42 ms. Allocated memory is still 53.0 MB. Free memory was 32.2 MB in the beginning and 31.8 MB in the end (delta: 444.7 kB). Peak memory consumption was 444.7 kB. Max. memory is 14.3 GB. [2020-10-20 00:33:10,143 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 34.1 MB. Free memory was 12.5 MB in the beginning and 12.5 MB in the end (delta: 47.5 kB). Peak memory consumption was 47.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 412.07 ms. Allocated memory was 36.7 MB in the beginning and 44.0 MB in the end (delta: 7.3 MB). Free memory was 19.0 MB in the beginning and 22.9 MB in the end (delta: -3.9 MB). Peak memory consumption was 10.1 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 104.29 ms. Allocated memory is still 44.0 MB. Free memory was 22.7 MB in the beginning and 20.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 54.14 ms. Allocated memory is still 44.0 MB. Free memory was 20.1 MB in the beginning and 17.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.3 GB. * RCFGBuilder took 683.27 ms. Allocated memory was 44.0 MB in the beginning and 46.7 MB in the end (delta: 2.6 MB). Free memory was 17.6 MB in the beginning and 13.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 10.2 MB. Max. memory is 14.3 GB. * TraceAbstraction took 946.45 ms. Allocated memory was 46.7 MB in the beginning and 53.0 MB in the end (delta: 6.3 MB). Free memory was 13.2 MB in the beginning and 32.2 MB in the end (delta: -19.0 MB). Peak memory consumption was 9.8 MB. Max. memory is 14.3 GB. * Witness Printer took 6.42 ms. Allocated memory is still 53.0 MB. Free memory was 32.2 MB in the beginning and 31.8 MB in the end (delta: 444.7 kB). Peak memory consumption was 444.7 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 122, overapproximation of someBinaryArithmeticDOUBLEoperation at line 146, overapproximation of bitwiseAnd at line 121, overapproximation of someBinaryDOUBLEComparisonOperation at line 151. Possible FailurePath: [L20] static const double one_modf = 1.0; VAL [one_modf=1] [L146] double x = 1.0 / 0.0; [L147] double iptr = __VERIFIER_nondet_double(); [L23] __int32_t i0, i1, j0; [L24] __uint32_t i; VAL [one_modf=1] [L26] ieee_double_shape_type ew_u; [L27] ew_u.value = (x) [L28] EXPR ew_u.parts.msw [L28] (i0) = ew_u.parts.msw [L29] EXPR ew_u.parts.lsw [L29] (i1) = ew_u.parts.lsw [L31] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [one_modf=1] [L32] COND TRUE j0 < 20 VAL [one_modf=1] [L33] COND TRUE j0 < 0 VAL [one_modf=1] [L35] ieee_double_shape_type iw_u; [L36] iw_u.parts.msw = (i0 & 0x80000000) [L37] iw_u.parts.lsw = (0) [L38] EXPR iw_u.value [L38] (*iptr) = iw_u.value [L40] return x; VAL [one_modf=1] [L148] double res = modf_double(x, &iptr); [L151] EXPR \read(iptr) [L114] __int32_t hx, lx; VAL [one_modf=1] [L116] ieee_double_shape_type ew_u; [L117] ew_u.value = (x) [L118] EXPR ew_u.parts.msw [L118] (hx) = ew_u.parts.msw [L119] EXPR ew_u.parts.lsw [L119] (lx) = ew_u.parts.lsw [L121] hx &= 0x7fffffff [L122] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L123] hx = 0x7ff00000 - hx [L124] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [one_modf=1] [L151] isinf_double(iptr) && !(res == 0.0 && __signbit_double(res) == 0) [L151] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [one_modf=1] [L151] isinf_double(iptr) && !(res == 0.0 && __signbit_double(res) == 0) VAL [one_modf=1] [L151] COND TRUE isinf_double(iptr) && !(res == 0.0 && __signbit_double(res) == 0) [L3] __assert_fail("0", "double_req_bl_1211a.c", 3, "reach_error") VAL [one_modf=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 113 SDtfs, 0 SDslu, 49 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 502 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:33:12,310 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-10-20 00:33:12,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:33:12,419 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:33:12,420 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:33:12,420 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:33:12,421 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:33:12,421 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:33:12,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:33:12,422 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:33:12,422 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:33:12,423 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:33:12,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:33:12,425 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 00:33:12,445 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:33:12,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:33:12,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:33:12,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:33:12,447 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:33:12,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:33:12,447 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:33:12,448 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:33:12,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:33:12,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:33:12,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:33:12,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:33:12,448 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 00:33:12,449 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 00:33:12,449 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:33:12,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:33:12,449 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:33:12,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:33:12,450 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:33:12,450 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:33:12,450 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:33:12,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:33:12,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:33:12,451 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:33:12,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:33:12,451 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:33:12,451 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 00:33:12,451 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 00:33:12,451 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:33:12,452 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:33:12,452 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 00:33:12,452 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9260470f8c7c4335e2f803d157cd5a7c9159336c [2020-10-20 00:33:12,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:33:12,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:33:12,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:33:12,666 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:33:12,667 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:33:12,667 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1211a.c [2020-10-20 00:33:12,726 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c91e587bc/bd1d7090eb2a4f1dae03b49756d28887/FLAGe7350c92f [2020-10-20 00:33:13,176 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:33:13,176 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1211a.c [2020-10-20 00:33:13,186 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c91e587bc/bd1d7090eb2a4f1dae03b49756d28887/FLAGe7350c92f [2020-10-20 00:33:13,490 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c91e587bc/bd1d7090eb2a4f1dae03b49756d28887 [2020-10-20 00:33:13,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:33:13,500 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:33:13,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:33:13,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:33:13,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:33:13,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:33:13" (1/1) ... [2020-10-20 00:33:13,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f6c68bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:13, skipping insertion in model container [2020-10-20 00:33:13,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:33:13" (1/1) ... [2020-10-20 00:33:13,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:33:13,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:33:13,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:33:13,922 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:33:14,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:33:14,047 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:33:14,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:14 WrapperNode [2020-10-20 00:33:14,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:33:14,049 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:33:14,049 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:33:14,049 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:33:14,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:14" (1/1) ... [2020-10-20 00:33:14,070 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:14" (1/1) ... [2020-10-20 00:33:14,106 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:33:14,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:33:14,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:33:14,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:33:14,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:14" (1/1) ... [2020-10-20 00:33:14,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:14" (1/1) ... [2020-10-20 00:33:14,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:14" (1/1) ... [2020-10-20 00:33:14,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:14" (1/1) ... [2020-10-20 00:33:14,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:14" (1/1) ... [2020-10-20 00:33:14,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:14" (1/1) ... [2020-10-20 00:33:14,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:14" (1/1) ... [2020-10-20 00:33:14,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:33:14,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:33:14,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:33:14,165 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:33:14,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:33:14,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-20 00:33:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-20 00:33:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 00:33:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:33:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-10-20 00:33:14,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 00:33:14,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:33:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:33:14,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 00:33:14,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:33:15,469 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:33:15,469 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-10-20 00:33:15,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:33:15 BoogieIcfgContainer [2020-10-20 00:33:15,471 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:33:15,472 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:33:15,472 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:33:15,477 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:33:15,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:33:13" (1/3) ... [2020-10-20 00:33:15,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e35dee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:33:15, skipping insertion in model container [2020-10-20 00:33:15,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:33:14" (2/3) ... [2020-10-20 00:33:15,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e35dee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:33:15, skipping insertion in model container [2020-10-20 00:33:15,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:33:15" (3/3) ... [2020-10-20 00:33:15,482 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1211a.c [2020-10-20 00:33:15,492 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:33:15,500 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:33:15,512 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:33:15,533 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:33:15,533 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:33:15,533 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:33:15,534 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:33:15,534 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:33:15,534 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:33:15,534 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:33:15,534 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:33:15,548 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2020-10-20 00:33:15,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-20 00:33:15,555 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:33:15,556 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:33:15,556 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:33:15,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:33:15,563 INFO L82 PathProgramCache]: Analyzing trace with hash -892017235, now seen corresponding path program 1 times [2020-10-20 00:33:15,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:33:15,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [90214752] [2020-10-20 00:33:15,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-20 00:33:15,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:33:15,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-20 00:33:15,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:33:15,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:33:15,769 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:33:15,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:33:15,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [90214752] [2020-10-20 00:33:15,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:33:15,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 00:33:15,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371007335] [2020-10-20 00:33:15,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:33:15,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:33:15,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:33:15,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:33:15,800 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 2 states. [2020-10-20 00:33:15,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:33:15,824 INFO L93 Difference]: Finished difference Result 103 states and 165 transitions. [2020-10-20 00:33:15,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:33:15,825 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2020-10-20 00:33:15,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:33:15,837 INFO L225 Difference]: With dead ends: 103 [2020-10-20 00:33:15,837 INFO L226 Difference]: Without dead ends: 49 [2020-10-20 00:33:15,843 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:33:15,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-20 00:33:15,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-10-20 00:33:15,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-20 00:33:15,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2020-10-20 00:33:15,877 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 15 [2020-10-20 00:33:15,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:33:15,878 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2020-10-20 00:33:15,878 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:33:15,878 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2020-10-20 00:33:15,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-20 00:33:15,879 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:33:15,879 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:33:16,094 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 00:33:16,095 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:33:16,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:33:16,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1752581688, now seen corresponding path program 1 times [2020-10-20 00:33:16,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:33:16,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [963112669] [2020-10-20 00:33:16,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-20 00:33:16,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:33:16,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-20 00:33:16,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:33:16,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:33:16,478 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:33:16,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:33:16,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [963112669] [2020-10-20 00:33:16,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:33:16,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-10-20 00:33:16,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153291968] [2020-10-20 00:33:16,658 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 00:33:16,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:33:16,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 00:33:16,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-20 00:33:16,659 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand 8 states. [2020-10-20 00:33:17,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:33:17,483 INFO L93 Difference]: Finished difference Result 64 states and 71 transitions. [2020-10-20 00:33:17,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 00:33:17,484 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2020-10-20 00:33:17,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:33:17,485 INFO L225 Difference]: With dead ends: 64 [2020-10-20 00:33:17,486 INFO L226 Difference]: Without dead ends: 27 [2020-10-20 00:33:17,487 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-20 00:33:17,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-20 00:33:17,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-10-20 00:33:17,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-20 00:33:17,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2020-10-20 00:33:17,494 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 18 [2020-10-20 00:33:17,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:33:17,495 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2020-10-20 00:33:17,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 00:33:17,495 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2020-10-20 00:33:17,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-20 00:33:17,496 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:33:17,496 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:33:17,709 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 00:33:17,710 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:33:17,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:33:17,711 INFO L82 PathProgramCache]: Analyzing trace with hash -1408426499, now seen corresponding path program 1 times [2020-10-20 00:33:17,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:33:17,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1632789527] [2020-10-20 00:33:17,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-20 00:33:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:33:18,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 00:33:18,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:33:18,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:33:18,128 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:33:18,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:33:18,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1632789527] [2020-10-20 00:33:18,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:33:18,133 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-10-20 00:33:18,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731810942] [2020-10-20 00:33:18,134 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 00:33:18,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:33:18,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 00:33:18,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 00:33:18,136 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 3 states. [2020-10-20 00:33:18,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:33:18,162 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2020-10-20 00:33:18,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 00:33:18,163 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-10-20 00:33:18,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:33:18,164 INFO L225 Difference]: With dead ends: 30 [2020-10-20 00:33:18,164 INFO L226 Difference]: Without dead ends: 27 [2020-10-20 00:33:18,164 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 00:33:18,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-20 00:33:18,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-10-20 00:33:18,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-20 00:33:18,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2020-10-20 00:33:18,171 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 20 [2020-10-20 00:33:18,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:33:18,171 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2020-10-20 00:33:18,171 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 00:33:18,171 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2020-10-20 00:33:18,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-20 00:33:18,172 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:33:18,172 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:33:18,386 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-20 00:33:18,387 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:33:18,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:33:18,388 INFO L82 PathProgramCache]: Analyzing trace with hash -605570489, now seen corresponding path program 1 times [2020-10-20 00:33:18,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:33:18,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1010925842] [2020-10-20 00:33:18,390 INFO L95 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 [2020-10-20 00:33:18,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:33:18,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 00:33:18,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:33:18,857 INFO L384 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 51 treesize of output 45 [2020-10-20 00:33:18,863 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 00:33:18,868 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:33:18,868 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:33:18,871 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:33:18,872 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:33:18,872 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:51, output treesize:21 [2020-10-20 00:33:18,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:33:18,954 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:33:19,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:33:19,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1010925842] [2020-10-20 00:33:19,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:33:19,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2020-10-20 00:33:19,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258229834] [2020-10-20 00:33:19,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-20 00:33:19,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:33:19,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-20 00:33:19,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-20 00:33:19,026 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand 9 states. [2020-10-20 00:33:19,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:33:19,783 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2020-10-20 00:33:19,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 00:33:19,786 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2020-10-20 00:33:19,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:33:19,787 INFO L225 Difference]: With dead ends: 31 [2020-10-20 00:33:19,787 INFO L226 Difference]: Without dead ends: 27 [2020-10-20 00:33:19,788 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 3 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-10-20 00:33:19,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-20 00:33:19,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-10-20 00:33:19,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-20 00:33:19,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2020-10-20 00:33:19,794 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 22 [2020-10-20 00:33:19,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:33:19,795 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2020-10-20 00:33:19,795 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-20 00:33:19,795 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2020-10-20 00:33:19,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 00:33:19,796 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:33:19,796 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:33:20,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-20 00:33:20,003 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:33:20,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:33:20,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1265561966, now seen corresponding path program 1 times [2020-10-20 00:33:20,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:33:20,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1475969424] [2020-10-20 00:33:20,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-10-20 00:33:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:33:20,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 19 conjunts are in the unsatisfiable core [2020-10-20 00:33:20,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:33:20,462 INFO L384 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 54 treesize of output 48 [2020-10-20 00:33:20,478 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 00:33:20,481 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:33:20,482 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:33:20,500 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:33:20,501 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-20 00:33:20,502 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:69, output treesize:39 [2020-10-20 00:33:20,897 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 00:33:21,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:33:21,165 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:33:21,675 INFO L384 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 58 treesize of output 52 [2020-10-20 00:33:21,680 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 00:33:21,683 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:33:21,683 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:33:21,704 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:33:21,705 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:33:21,705 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:65, output treesize:35 [2020-10-20 00:33:21,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:33:21,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1475969424] [2020-10-20 00:33:21,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:33:21,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 11] imperfect sequences [] total 18 [2020-10-20 00:33:21,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228924571] [2020-10-20 00:33:21,969 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-20 00:33:21,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:33:21,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-20 00:33:21,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2020-10-20 00:33:21,970 INFO L87 Difference]: Start difference. First operand 27 states and 26 transitions. Second operand 18 states. [2020-10-20 00:33:24,640 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-10-20 00:33:24,946 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-10-20 00:33:25,200 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-20 00:33:25,496 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-10-20 00:33:25,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:33:25,498 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2020-10-20 00:33:25,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-20 00:33:25,498 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 26 [2020-10-20 00:33:25,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:33:25,499 INFO L225 Difference]: With dead ends: 27 [2020-10-20 00:33:25,499 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 00:33:25,499 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=170, Invalid=532, Unknown=0, NotChecked=0, Total=702 [2020-10-20 00:33:25,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 00:33:25,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 00:33:25,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 00:33:25,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 00:33:25,501 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-10-20 00:33:25,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:33:25,501 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 00:33:25,501 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-20 00:33:25,501 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 00:33:25,502 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 00:33:25,702 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-10-20 00:33:25,707 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 00:33:26,267 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2020-10-20 00:33:26,618 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2020-10-20 00:33:27,177 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2020-10-20 00:33:27,573 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2020-10-20 00:33:27,815 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 54 [2020-10-20 00:33:27,839 INFO L274 CegarLoopResult]: For program point L93(lines 93 98) no Hoare annotation was computed. [2020-10-20 00:33:27,839 INFO L274 CegarLoopResult]: For program point L93-1(lines 85 100) no Hoare annotation was computed. [2020-10-20 00:33:27,839 INFO L274 CegarLoopResult]: For program point L93-2(lines 93 98) no Hoare annotation was computed. [2020-10-20 00:33:27,839 INFO L274 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-20 00:33:27,839 INFO L274 CegarLoopResult]: For program point L151-1(line 151) no Hoare annotation was computed. [2020-10-20 00:33:27,840 INFO L274 CegarLoopResult]: For program point L85(lines 85 108) no Hoare annotation was computed. [2020-10-20 00:33:27,840 INFO L274 CegarLoopResult]: For program point L151-3(line 151) no Hoare annotation was computed. [2020-10-20 00:33:27,840 INFO L274 CegarLoopResult]: For program point L151-5(lines 151 154) no Hoare annotation was computed. [2020-10-20 00:33:27,840 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 00:33:27,840 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 00:33:27,840 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 00:33:27,840 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 00:33:27,841 INFO L270 CegarLoopResult]: At program point L136(lines 127 137) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short39| (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start_modf_double_~x (let ((.cse0 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start___signbit_double_~x (let ((.cse1 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1)))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= ((_ extract 63 32) v_skolemized_v_prenex_7_3) ULTIMATE.start_modf_double_~high~1) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (bvadd ULTIMATE.start_modf_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32)))) (= (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.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_6_3 (_ BitVec 64)) (v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (let ((.cse2 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) (fp ((_ extract 63 63) v_skolemized_v_prenex_6_3) ((_ extract 62 52) v_skolemized_v_prenex_6_3) ((_ extract 51 0) v_skolemized_v_prenex_6_3))) (= ULTIMATE.start___signbit_double_~msw~0 ((_ extract 63 32) v_skolemized_v_prenex_6_3)) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))) (= (let ((.cse3 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))) ULTIMATE.start_main_~res~0))) (= |ULTIMATE.start___signbit_double_#res| (_ bv0 32)) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (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.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))) (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start_modf_double_~i0~0))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= |ULTIMATE.start_modf_double_#res| (let ((.cse4 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4)))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))))) [2020-10-20 00:33:27,841 INFO L274 CegarLoopResult]: For program point L46-1(lines 46 50) no Hoare annotation was computed. [2020-10-20 00:33:27,841 INFO L270 CegarLoopResult]: At program point L46-2(lines 46 50) the Hoare annotation is: false [2020-10-20 00:33:27,841 INFO L274 CegarLoopResult]: For program point L71-1(lines 71 75) no Hoare annotation was computed. [2020-10-20 00:33:27,842 INFO L270 CegarLoopResult]: At program point L71-2(lines 71 75) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_modf_double_~x (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (bvadd ULTIMATE.start_modf_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32)))) (= (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.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (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.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))) (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start_modf_double_~i0~0)))) [2020-10-20 00:33:27,842 INFO L274 CegarLoopResult]: For program point L88-1(lines 88 92) no Hoare annotation was computed. [2020-10-20 00:33:27,842 INFO L270 CegarLoopResult]: At program point L88-2(lines 88 92) the Hoare annotation is: false [2020-10-20 00:33:27,842 INFO L274 CegarLoopResult]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2020-10-20 00:33:27,842 INFO L270 CegarLoopResult]: At program point L130-2(lines 130 134) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short39| (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start_modf_double_~x (let ((.cse0 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start___signbit_double_~x (let ((.cse1 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1)))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= ((_ extract 63 32) v_skolemized_v_prenex_7_3) ULTIMATE.start_modf_double_~high~1) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (bvadd ULTIMATE.start_modf_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32)))) (= (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.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))) (= (let ((.cse2 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) ULTIMATE.start_main_~res~0))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (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.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))) (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start_modf_double_~i0~0))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= |ULTIMATE.start_modf_double_#res| (let ((.cse3 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3)))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))))) [2020-10-20 00:33:27,843 INFO L274 CegarLoopResult]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2020-10-20 00:33:27,843 INFO L274 CegarLoopResult]: For program point L32(lines 32 109) no Hoare annotation was computed. [2020-10-20 00:33:27,843 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 00:33:27,843 INFO L277 CegarLoopResult]: At program point L156(lines 139 157) the Hoare annotation is: true [2020-10-20 00:33:27,843 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 00:33:27,843 INFO L274 CegarLoopResult]: For program point L115-1(lines 115 120) no Hoare annotation was computed. [2020-10-20 00:33:27,844 INFO L270 CegarLoopResult]: At program point L115-2(lines 115 120) the Hoare annotation is: (and (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start_modf_double_~x (let ((.cse0 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= ((_ extract 63 32) v_skolemized_v_prenex_7_3) ULTIMATE.start_modf_double_~high~1) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (bvadd ULTIMATE.start_modf_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32)))) (= (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.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))) (= (let ((.cse1 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) ULTIMATE.start_main_~res~0))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (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.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))) (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start_modf_double_~i0~0))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= |ULTIMATE.start_modf_double_#res| (let ((.cse2 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2)))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))))) [2020-10-20 00:33:27,844 INFO L274 CegarLoopResult]: For program point L115-3(lines 115 120) no Hoare annotation was computed. [2020-10-20 00:33:27,844 INFO L270 CegarLoopResult]: At program point L107(lines 22 110) the Hoare annotation is: (and (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start_modf_double_~x (let ((.cse0 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= ((_ extract 63 32) v_skolemized_v_prenex_7_3) ULTIMATE.start_modf_double_~high~1) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (bvadd ULTIMATE.start_modf_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32)))) (= (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.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (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.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))) (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start_modf_double_~i0~0))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= |ULTIMATE.start_modf_double_#res| (let ((.cse1 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1)))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))))) [2020-10-20 00:33:27,844 INFO L274 CegarLoopResult]: For program point L33(lines 33 67) no Hoare annotation was computed. [2020-10-20 00:33:27,844 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 00:33:27,845 INFO L270 CegarLoopResult]: At program point L124(lines 113 125) the Hoare annotation is: (and (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start_modf_double_~x (let ((.cse0 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0)))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= ((_ extract 63 32) v_skolemized_v_prenex_7_3) ULTIMATE.start_modf_double_~high~1) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (bvadd ULTIMATE.start_modf_double_~j0~0 (_ bv1023 32)) (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32)))) (= (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.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))) (= (let ((.cse1 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) ULTIMATE.start_main_~res~0))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (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.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))) (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start_modf_double_~i0~0))) (exists ((v_skolemized_v_prenex_7_3 (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= |ULTIMATE.start_modf_double_#res| (let ((.cse2 (concat (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_7_3)) (_ bv0 32)))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2)))) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_7_3) ((_ extract 62 52) v_skolemized_v_prenex_7_3) ((_ extract 51 0) v_skolemized_v_prenex_7_3)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))))) [2020-10-20 00:33:27,845 INFO L274 CegarLoopResult]: For program point L25-1(lines 25 30) no Hoare annotation was computed. [2020-10-20 00:33:27,845 INFO L270 CegarLoopResult]: At program point L25-2(lines 25 30) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_modf_double_~x (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))) [2020-10-20 00:33:27,845 INFO L274 CegarLoopResult]: For program point L25-3(lines 25 30) no Hoare annotation was computed. [2020-10-20 00:33:27,845 INFO L274 CegarLoopResult]: For program point L34-1(lines 34 39) no Hoare annotation was computed. [2020-10-20 00:33:27,845 INFO L270 CegarLoopResult]: At program point L34-2(lines 34 39) the Hoare annotation is: false [2020-10-20 00:33:27,846 INFO L274 CegarLoopResult]: For program point L34-3(lines 34 39) no Hoare annotation was computed. [2020-10-20 00:33:27,846 INFO L274 CegarLoopResult]: For program point L59-1(lines 59 64) no Hoare annotation was computed. [2020-10-20 00:33:27,846 INFO L270 CegarLoopResult]: At program point L59-2(lines 59 64) the Hoare annotation is: false [2020-10-20 00:33:27,846 INFO L274 CegarLoopResult]: For program point L59-3(lines 59 64) no Hoare annotation was computed. [2020-10-20 00:33:27,846 INFO L274 CegarLoopResult]: For program point L51(lines 51 56) no Hoare annotation was computed. [2020-10-20 00:33:27,846 INFO L274 CegarLoopResult]: For program point L51-1(lines 43 58) no Hoare annotation was computed. [2020-10-20 00:33:27,846 INFO L274 CegarLoopResult]: For program point L51-2(lines 51 56) no Hoare annotation was computed. [2020-10-20 00:33:27,847 INFO L274 CegarLoopResult]: For program point L76(lines 76 81) no Hoare annotation was computed. [2020-10-20 00:33:27,847 INFO L274 CegarLoopResult]: For program point L43(lines 43 66) no Hoare annotation was computed. [2020-10-20 00:33:27,847 INFO L274 CegarLoopResult]: For program point L76-1(lines 68 83) no Hoare annotation was computed. [2020-10-20 00:33:27,847 INFO L274 CegarLoopResult]: For program point L76-2(lines 76 81) no Hoare annotation was computed. [2020-10-20 00:33:27,847 INFO L274 CegarLoopResult]: For program point L68(lines 68 109) no Hoare annotation was computed. [2020-10-20 00:33:27,847 INFO L274 CegarLoopResult]: For program point L101-1(lines 101 106) no Hoare annotation was computed. [2020-10-20 00:33:27,847 INFO L270 CegarLoopResult]: At program point L101-2(lines 101 106) the Hoare annotation is: false [2020-10-20 00:33:27,847 INFO L274 CegarLoopResult]: For program point L101-3(lines 101 106) no Hoare annotation was computed. [2020-10-20 00:33:27,860 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,862 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,862 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,862 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,862 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,863 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,863 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,863 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,863 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,863 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,864 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,864 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,864 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,864 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,873 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,873 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,873 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,874 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,874 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,874 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,874 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,875 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,875 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,875 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,875 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,876 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,876 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,876 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,878 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.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:446) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) 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:707) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:267) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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:320) 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) [2020-10-20 00:33:27,890 INFO L168 Benchmark]: Toolchain (without parser) took 14389.58 ms. Allocated memory was 36.2 MB in the beginning and 59.8 MB in the end (delta: 23.6 MB). Free memory was 16.6 MB in the beginning and 9.8 MB in the end (delta: 6.8 MB). Peak memory consumption was 32.1 MB. Max. memory is 14.3 GB. [2020-10-20 00:33:27,892 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 34.1 MB. Free memory was 10.1 MB in the beginning and 10.0 MB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 14.3 GB. [2020-10-20 00:33:27,892 INFO L168 Benchmark]: CACSL2BoogieTranslator took 547.01 ms. Allocated memory was 36.2 MB in the beginning and 44.6 MB in the end (delta: 8.4 MB). Free memory was 15.7 MB in the beginning and 22.3 MB in the end (delta: -6.6 MB). Peak memory consumption was 10.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:33:27,893 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.42 ms. Allocated memory is still 44.6 MB. Free memory was 22.3 MB in the beginning and 19.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:33:27,895 INFO L168 Benchmark]: Boogie Preprocessor took 58.32 ms. Allocated memory is still 44.6 MB. Free memory was 19.7 MB in the beginning and 16.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:33:27,899 INFO L168 Benchmark]: RCFGBuilder took 1305.95 ms. Allocated memory was 44.6 MB in the beginning and 46.7 MB in the end (delta: 2.1 MB). Free memory was 16.9 MB in the beginning and 25.1 MB in the end (delta: -8.2 MB). Peak memory consumption was 7.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:33:27,905 INFO L168 Benchmark]: TraceAbstraction took 12411.18 ms. Allocated memory was 46.7 MB in the beginning and 59.8 MB in the end (delta: 13.1 MB). Free memory was 24.4 MB in the beginning and 9.8 MB in the end (delta: 14.6 MB). Peak memory consumption was 29.4 MB. Max. memory is 14.3 GB. [2020-10-20 00:33:27,913 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 34.1 MB. Free memory was 10.1 MB in the beginning and 10.0 MB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 547.01 ms. Allocated memory was 36.2 MB in the beginning and 44.6 MB in the end (delta: 8.4 MB). Free memory was 15.7 MB in the beginning and 22.3 MB in the end (delta: -6.6 MB). Peak memory consumption was 10.8 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 57.42 ms. Allocated memory is still 44.6 MB. Free memory was 22.3 MB in the beginning and 19.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 58.32 ms. Allocated memory is still 44.6 MB. Free memory was 19.7 MB in the beginning and 16.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1305.95 ms. Allocated memory was 44.6 MB in the beginning and 46.7 MB in the end (delta: 2.1 MB). Free memory was 16.9 MB in the beginning and 25.1 MB in the end (delta: -8.2 MB). Peak memory consumption was 7.8 MB. Max. memory is 14.3 GB. * TraceAbstraction took 12411.18 ms. Allocated memory was 46.7 MB in the beginning and 59.8 MB in the end (delta: 13.1 MB). Free memory was 24.4 MB in the beginning and 9.8 MB in the end (delta: 14.6 MB). Peak memory consumption was 29.4 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 71]: Loop Invariant [2020-10-20 00:33:27,937 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,937 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,937 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,937 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,937 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,937 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,938 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,938 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,938 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,938 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,938 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,938 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,938 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,939 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,941 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,941 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,941 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,941 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,941 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,942 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,942 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,942 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,944 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,944 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,944 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2020-10-20 00:33:27,944 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,944 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-10-20 00:33:27,944 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] Derived loop invariant: ((\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && (\exists v_skolemized_v_prenex_1_3 : bv64, currentRoundingMode : FloatRoundingMode :: ~bvadd64(j0, 1023bv32) == ~bvand32(2047bv32, ~bvashr32(v_skolemized_v_prenex_1_3[63:32], 20bv32)) && ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists v_skolemized_v_prenex_1_3 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) && v_skolemized_v_prenex_1_3[63:32] == i0) - 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...