./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/double_req_bl_0921_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-newlib/double_req_bl_0921_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 183c064a530646119ada233c15fa830a0c2bc1a1 ............................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/float-newlib/double_req_bl_0921_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 183c064a530646119ada233c15fa830a0c2bc1a1 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 09:06:50,015 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 09:06:50,017 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 09:06:50,030 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 09:06:50,031 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 09:06:50,032 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 09:06:50,034 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 09:06:50,036 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 09:06:50,038 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 09:06:50,039 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 09:06:50,041 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 09:06:50,041 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 09:06:50,042 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 09:06:50,043 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 09:06:50,044 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 09:06:50,045 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 09:06:50,046 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 09:06:50,048 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 09:06:50,050 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 09:06:50,052 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 09:06:50,053 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 09:06:50,055 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 09:06:50,057 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 09:06:50,057 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 09:06:50,057 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 09:06:50,058 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 09:06:50,060 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 09:06:50,061 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 09:06:50,062 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 09:06:50,063 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 09:06:50,063 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 09:06:50,064 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 09:06:50,064 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 09:06:50,065 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 09:06:50,067 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 09:06:50,068 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 09:06:50,070 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 09:06:50,098 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 09:06:50,100 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 09:06:50,105 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 09:06:50,106 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 09:06:50,107 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 09:06:50,107 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 09:06:50,107 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 09:06:50,107 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 09:06:50,107 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 09:06:50,108 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 09:06:50,108 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 09:06:50,108 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 09:06:50,108 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 09:06:50,108 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 09:06:50,108 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 09:06:50,108 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 09:06:50,111 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 09:06:50,111 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 09:06:50,111 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 09:06:50,112 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 09:06:50,112 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 09:06:50,112 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:06:50,113 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 09:06:50,113 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 09:06:50,114 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 09:06:50,114 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 09:06:50,114 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 09:06:50,114 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 09:06:50,114 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 183c064a530646119ada233c15fa830a0c2bc1a1 [2019-01-12 09:06:50,180 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 09:06:50,194 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 09:06:50,198 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 09:06:50,200 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 09:06:50,200 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 09:06:50,201 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_0921_true-unreach-call.c [2019-01-12 09:06:50,261 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/781faaf47/ef4794cdeca040b5b8b6569df212ea46/FLAG73ce2fa79 [2019-01-12 09:06:50,741 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 09:06:50,742 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_0921_true-unreach-call.c [2019-01-12 09:06:50,750 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/781faaf47/ef4794cdeca040b5b8b6569df212ea46/FLAG73ce2fa79 [2019-01-12 09:06:51,097 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/781faaf47/ef4794cdeca040b5b8b6569df212ea46 [2019-01-12 09:06:51,100 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 09:06:51,102 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 09:06:51,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 09:06:51,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 09:06:51,107 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 09:06:51,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:06:51" (1/1) ... [2019-01-12 09:06:51,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4be4eac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:06:51, skipping insertion in model container [2019-01-12 09:06:51,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:06:51" (1/1) ... [2019-01-12 09:06:51,123 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 09:06:51,153 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 09:06:51,386 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:06:51,398 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 09:06:51,491 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:06:51,531 INFO L195 MainTranslator]: Completed translation [2019-01-12 09:06:51,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:06:51 WrapperNode [2019-01-12 09:06:51,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 09:06:51,534 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 09:06:51,534 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 09:06:51,535 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 09:06:51,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:06:51" (1/1) ... [2019-01-12 09:06:51,664 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:06:51" (1/1) ... [2019-01-12 09:06:51,698 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 09:06:51,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 09:06:51,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 09:06:51,699 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 09:06:51,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:06:51" (1/1) ... [2019-01-12 09:06:51,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:06:51" (1/1) ... [2019-01-12 09:06:51,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:06:51" (1/1) ... [2019-01-12 09:06:51,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:06:51" (1/1) ... [2019-01-12 09:06:51,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:06:51" (1/1) ... [2019-01-12 09:06:51,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:06:51" (1/1) ... [2019-01-12 09:06:51,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:06:51" (1/1) ... [2019-01-12 09:06:51,739 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 09:06:51,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 09:06:51,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 09:06:51,740 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 09:06:51,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:06:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:06:51,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 09:06:51,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-01-12 09:06:51,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-12 09:06:51,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-01-12 09:06:51,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 09:06:51,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 09:06:51,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-12 09:06:51,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 09:06:52,320 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 09:06:52,321 INFO L286 CfgBuilder]: Removed 14 assue(true) statements. [2019-01-12 09:06:52,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:06:52 BoogieIcfgContainer [2019-01-12 09:06:52,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 09:06:52,324 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 09:06:52,324 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 09:06:52,327 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 09:06:52,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 09:06:51" (1/3) ... [2019-01-12 09:06:52,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e3c1e14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:06:52, skipping insertion in model container [2019-01-12 09:06:52,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:06:51" (2/3) ... [2019-01-12 09:06:52,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e3c1e14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:06:52, skipping insertion in model container [2019-01-12 09:06:52,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:06:52" (3/3) ... [2019-01-12 09:06:52,331 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0921_true-unreach-call.c [2019-01-12 09:06:52,341 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 09:06:52,348 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 09:06:52,365 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 09:06:52,392 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 09:06:52,393 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 09:06:52,393 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 09:06:52,393 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 09:06:52,394 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 09:06:52,394 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 09:06:52,394 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 09:06:52,394 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 09:06:52,394 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 09:06:52,408 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2019-01-12 09:06:52,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-12 09:06:52,415 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:06:52,415 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:06:52,417 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:06:52,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:06:52,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1030195787, now seen corresponding path program 1 times [2019-01-12 09:06:52,426 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 09:06:52,427 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 09:06:52,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:06:52,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:06:52,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:06:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:06:52,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:06:52,565 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:06:52,565 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 09:06:52,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 09:06:52,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 09:06:52,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:06:52,583 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 2 states. [2019-01-12 09:06:52,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:06:52,599 INFO L93 Difference]: Finished difference Result 56 states and 90 transitions. [2019-01-12 09:06:52,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 09:06:52,601 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-01-12 09:06:52,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:06:52,612 INFO L225 Difference]: With dead ends: 56 [2019-01-12 09:06:52,612 INFO L226 Difference]: Without dead ends: 26 [2019-01-12 09:06:52,615 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:06:52,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-01-12 09:06:52,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-01-12 09:06:52,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-01-12 09:06:52,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 36 transitions. [2019-01-12 09:06:52,646 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 36 transitions. Word has length 10 [2019-01-12 09:06:52,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:06:52,646 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 36 transitions. [2019-01-12 09:06:52,647 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 09:06:52,647 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2019-01-12 09:06:52,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-12 09:06:52,648 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:06:52,648 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:06:52,648 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:06:52,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:06:52,648 INFO L82 PathProgramCache]: Analyzing trace with hash -1305111410, now seen corresponding path program 1 times [2019-01-12 09:06:52,649 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-12 09:06:52,649 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-12 09:06:52,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:06:52,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:06:52,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-12 09:06:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 09:06:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-12 09:06:52,757 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-12 09:06:52,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 09:06:52 BoogieIcfgContainer [2019-01-12 09:06:52,796 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 09:06:52,797 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 09:06:52,797 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 09:06:52,797 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 09:06:52,798 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:06:52" (3/4) ... [2019-01-12 09:06:52,802 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-12 09:06:52,802 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 09:06:52,803 INFO L168 Benchmark]: Toolchain (without parser) took 1702.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 952.7 MB in the beginning and 1.0 GB in the end (delta: -95.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2019-01-12 09:06:52,806 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:06:52,806 INFO L168 Benchmark]: CACSL2BoogieTranslator took 430.96 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 936.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-01-12 09:06:52,807 INFO L168 Benchmark]: Boogie Procedure Inliner took 164.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -158.8 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2019-01-12 09:06:52,809 INFO L168 Benchmark]: Boogie Preprocessor took 40.44 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:06:52,809 INFO L168 Benchmark]: RCFGBuilder took 583.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2019-01-12 09:06:52,810 INFO L168 Benchmark]: TraceAbstraction took 472.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-01-12 09:06:52,811 INFO L168 Benchmark]: Witness Printer took 5.42 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:06:52,820 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 430.96 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 936.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 164.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -158.8 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.44 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 583.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 472.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Witness Printer took 5.42 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 140]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 127, overapproximation of bitwiseOr at line 59, overapproximation of someBinaryArithmeticDOUBLEoperation at line 60. Possible FailurePath: [L32-L41] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L43] static const double zero = 0.0; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L135] double x = 0.0 / 0.0; [L46] double hfsq, f, s, z, R, w, t1, t2, dk; [L47] __int32_t k, hx, i, j; [L48] __uint32_t lx; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L51] ieee_double_shape_type ew_u; [L52] ew_u.value = (x) [L53] EXPR ew_u.parts.msw [L53] (hx) = ew_u.parts.msw [L54] EXPR ew_u.parts.lsw [L54] (lx) = ew_u.parts.lsw [L57] k = 0 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L58] COND TRUE hx < 0x00100000 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L59] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L60] return -two54_log / zero; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L136] double res = __ieee754_log(x); [L127] return x != x; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L139] COND TRUE !isnan_double(res) [L140] __VERIFIER_error() VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 29 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 39 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-0ed9222-m [2019-01-12 09:06:55,119 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 09:06:55,121 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 09:06:55,132 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 09:06:55,133 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 09:06:55,134 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 09:06:55,135 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 09:06:55,137 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 09:06:55,139 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 09:06:55,141 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 09:06:55,141 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 09:06:55,142 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 09:06:55,143 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 09:06:55,144 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 09:06:55,145 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 09:06:55,146 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 09:06:55,147 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 09:06:55,149 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 09:06:55,152 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 09:06:55,153 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 09:06:55,155 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 09:06:55,156 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 09:06:55,159 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 09:06:55,159 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 09:06:55,159 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 09:06:55,160 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 09:06:55,161 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 09:06:55,162 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 09:06:55,163 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 09:06:55,164 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 09:06:55,164 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 09:06:55,166 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 09:06:55,166 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 09:06:55,166 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 09:06:55,167 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 09:06:55,168 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 09:06:55,168 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-12 09:06:55,184 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 09:06:55,185 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 09:06:55,186 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 09:06:55,187 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 09:06:55,187 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 09:06:55,187 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 09:06:55,187 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 09:06:55,187 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 09:06:55,188 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 09:06:55,188 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 09:06:55,188 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 09:06:55,188 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 09:06:55,188 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-12 09:06:55,188 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-12 09:06:55,190 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 09:06:55,190 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 09:06:55,190 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 09:06:55,190 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 09:06:55,191 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 09:06:55,191 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 09:06:55,191 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 09:06:55,191 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 09:06:55,191 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:06:55,192 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 09:06:55,193 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 09:06:55,193 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 09:06:55,193 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-12 09:06:55,193 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 09:06:55,194 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-12 09:06:55,194 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-12 09:06:55,194 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 183c064a530646119ada233c15fa830a0c2bc1a1 [2019-01-12 09:06:55,232 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 09:06:55,245 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 09:06:55,249 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 09:06:55,251 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 09:06:55,251 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 09:06:55,252 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_0921_true-unreach-call.c [2019-01-12 09:06:55,318 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f0567007/30d4ab7130d1494a8ca89d7dd256434e/FLAGc1ceea306 [2019-01-12 09:06:55,813 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 09:06:55,814 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_0921_true-unreach-call.c [2019-01-12 09:06:55,822 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f0567007/30d4ab7130d1494a8ca89d7dd256434e/FLAGc1ceea306 [2019-01-12 09:06:56,142 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f0567007/30d4ab7130d1494a8ca89d7dd256434e [2019-01-12 09:06:56,146 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 09:06:56,148 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 09:06:56,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 09:06:56,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 09:06:56,157 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 09:06:56,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:06:56" (1/1) ... [2019-01-12 09:06:56,161 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@332d35f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:06:56, skipping insertion in model container [2019-01-12 09:06:56,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 09:06:56" (1/1) ... [2019-01-12 09:06:56,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 09:06:56,201 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 09:06:56,533 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:06:56,547 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 09:06:56,622 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 09:06:56,660 INFO L195 MainTranslator]: Completed translation [2019-01-12 09:06:56,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:06:56 WrapperNode [2019-01-12 09:06:56,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 09:06:56,661 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 09:06:56,661 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 09:06:56,661 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 09:06:56,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:06:56" (1/1) ... [2019-01-12 09:06:56,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:06:56" (1/1) ... [2019-01-12 09:06:56,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 09:06:56,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 09:06:56,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 09:06:56,785 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 09:06:56,796 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:06:56" (1/1) ... [2019-01-12 09:06:56,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:06:56" (1/1) ... [2019-01-12 09:06:56,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:06:56" (1/1) ... [2019-01-12 09:06:56,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:06:56" (1/1) ... [2019-01-12 09:06:56,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:06:56" (1/1) ... [2019-01-12 09:06:56,840 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:06:56" (1/1) ... [2019-01-12 09:06:56,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:06:56" (1/1) ... [2019-01-12 09:06:56,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 09:06:56,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 09:06:56,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 09:06:56,849 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 09:06:56,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:06:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 09:06:56,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-01-12 09:06:56,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-01-12 09:06:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-12 09:06:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-01-12 09:06:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 09:06:56,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 09:06:56,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-01-12 09:06:56,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-12 09:06:57,284 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:07:20,182 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:07:22,499 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-01-12 09:07:22,602 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 09:07:22,602 INFO L286 CfgBuilder]: Removed 14 assue(true) statements. [2019-01-12 09:07:22,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:07:22 BoogieIcfgContainer [2019-01-12 09:07:22,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 09:07:22,604 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 09:07:22,605 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 09:07:22,609 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 09:07:22,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 09:06:56" (1/3) ... [2019-01-12 09:07:22,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76a3cceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:07:22, skipping insertion in model container [2019-01-12 09:07:22,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 09:06:56" (2/3) ... [2019-01-12 09:07:22,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76a3cceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 09:07:22, skipping insertion in model container [2019-01-12 09:07:22,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:07:22" (3/3) ... [2019-01-12 09:07:22,616 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0921_true-unreach-call.c [2019-01-12 09:07:22,626 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 09:07:22,637 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-12 09:07:22,657 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-12 09:07:22,689 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 09:07:22,690 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 09:07:22,690 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 09:07:22,690 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 09:07:22,690 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 09:07:22,690 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 09:07:22,690 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 09:07:22,691 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 09:07:22,691 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 09:07:22,710 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2019-01-12 09:07:22,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-12 09:07:22,716 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:07:22,717 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:07:22,719 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:07:22,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:07:22,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1030195787, now seen corresponding path program 1 times [2019-01-12 09:07:22,730 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:07:22,731 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-01-12 09:07:22,738 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:07:23,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:07:23,638 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:07:23,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:07:23,652 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:07:23,672 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:07:23,673 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-12 09:07:23,677 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-12 09:07:23,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-12 09:07:23,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:07:23,693 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 2 states. [2019-01-12 09:07:23,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:07:23,709 INFO L93 Difference]: Finished difference Result 56 states and 90 transitions. [2019-01-12 09:07:23,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-12 09:07:23,711 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-01-12 09:07:23,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:07:23,722 INFO L225 Difference]: With dead ends: 56 [2019-01-12 09:07:23,722 INFO L226 Difference]: Without dead ends: 26 [2019-01-12 09:07:23,725 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-12 09:07:23,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-01-12 09:07:23,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-01-12 09:07:23,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-01-12 09:07:23,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 36 transitions. [2019-01-12 09:07:23,758 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 36 transitions. Word has length 10 [2019-01-12 09:07:23,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:07:23,758 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 36 transitions. [2019-01-12 09:07:23,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-12 09:07:23,759 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2019-01-12 09:07:23,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-12 09:07:23,759 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:07:23,760 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:07:23,760 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:07:23,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:07:23,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1305111410, now seen corresponding path program 1 times [2019-01-12 09:07:23,761 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:07:23,762 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-01-12 09:07:23,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:07:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:07:24,805 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:07:24,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:07:24,960 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:07:24,981 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:07:24,981 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-12 09:07:24,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-12 09:07:24,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-12 09:07:24,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-12 09:07:24,985 INFO L87 Difference]: Start difference. First operand 26 states and 36 transitions. Second operand 4 states. [2019-01-12 09:07:32,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:07:32,631 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2019-01-12 09:07:33,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-12 09:07:33,398 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-01-12 09:07:33,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:07:33,399 INFO L225 Difference]: With dead ends: 36 [2019-01-12 09:07:33,399 INFO L226 Difference]: Without dead ends: 31 [2019-01-12 09:07:33,400 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-12 09:07:33,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-01-12 09:07:33,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 26. [2019-01-12 09:07:33,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-01-12 09:07:33,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 35 transitions. [2019-01-12 09:07:33,407 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 35 transitions. Word has length 11 [2019-01-12 09:07:33,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:07:33,408 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 35 transitions. [2019-01-12 09:07:33,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-12 09:07:33,408 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2019-01-12 09:07:33,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-12 09:07:33,409 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:07:33,409 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:07:33,409 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:07:33,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:07:33,411 INFO L82 PathProgramCache]: Analyzing trace with hash -594923761, now seen corresponding path program 1 times [2019-01-12 09:07:33,411 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:07:33,411 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-01-12 09:07:33,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:07:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:07:33,515 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:07:33,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:07:33,629 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:07:33,641 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:07:33,641 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-12 09:07:33,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-12 09:07:33,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-12 09:07:33,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-12 09:07:33,643 INFO L87 Difference]: Start difference. First operand 26 states and 35 transitions. Second operand 6 states. [2019-01-12 09:07:52,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:07:52,748 INFO L93 Difference]: Finished difference Result 31 states and 39 transitions. [2019-01-12 09:07:52,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-12 09:07:52,750 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2019-01-12 09:07:52,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:07:52,752 INFO L225 Difference]: With dead ends: 31 [2019-01-12 09:07:52,752 INFO L226 Difference]: Without dead ends: 26 [2019-01-12 09:07:52,754 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-01-12 09:07:52,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-01-12 09:07:52,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-01-12 09:07:52,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-01-12 09:07:52,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2019-01-12 09:07:52,760 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 33 transitions. Word has length 11 [2019-01-12 09:07:52,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:07:52,761 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 33 transitions. [2019-01-12 09:07:52,761 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-12 09:07:52,761 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2019-01-12 09:07:52,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-12 09:07:52,762 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:07:52,762 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:07:52,763 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:07:52,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:07:52,764 INFO L82 PathProgramCache]: Analyzing trace with hash 464451163, now seen corresponding path program 1 times [2019-01-12 09:07:52,764 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:07:52,764 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-01-12 09:07:52,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:07:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:07:52,915 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:07:53,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:07:53,022 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:07:53,034 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:07:53,034 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 09:07:53,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 09:07:53,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 09:07:53,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-01-12 09:07:53,035 INFO L87 Difference]: Start difference. First operand 26 states and 33 transitions. Second operand 5 states. [2019-01-12 09:07:57,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:07:57,916 INFO L93 Difference]: Finished difference Result 42 states and 55 transitions. [2019-01-12 09:07:58,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-12 09:07:58,669 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-01-12 09:07:58,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:07:58,672 INFO L225 Difference]: With dead ends: 42 [2019-01-12 09:07:58,672 INFO L226 Difference]: Without dead ends: 26 [2019-01-12 09:07:58,673 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-01-12 09:07:58,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-01-12 09:07:58,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-01-12 09:07:58,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-01-12 09:07:58,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 32 transitions. [2019-01-12 09:07:58,678 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 32 transitions. Word has length 17 [2019-01-12 09:07:58,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:07:58,679 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 32 transitions. [2019-01-12 09:07:58,679 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 09:07:58,679 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2019-01-12 09:07:58,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-01-12 09:07:58,680 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 09:07:58,681 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-12 09:07:58,681 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 09:07:58,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 09:07:58,682 INFO L82 PathProgramCache]: Analyzing trace with hash -2124593878, now seen corresponding path program 1 times [2019-01-12 09:07:58,682 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 09:07:58,682 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-01-12 09:07:58,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 09:07:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 09:07:59,069 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 09:07:59,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 09:07:59,151 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 09:07:59,170 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 09:07:59,170 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-12 09:07:59,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-12 09:07:59,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-12 09:07:59,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-01-12 09:07:59,172 INFO L87 Difference]: Start difference. First operand 26 states and 32 transitions. Second operand 5 states. [2019-01-12 09:07:59,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 09:07:59,457 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2019-01-12 09:07:59,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-12 09:07:59,458 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2019-01-12 09:07:59,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 09:07:59,459 INFO L225 Difference]: With dead ends: 26 [2019-01-12 09:07:59,459 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 09:07:59,460 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-01-12 09:07:59,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 09:07:59,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 09:07:59,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 09:07:59,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 09:07:59,461 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2019-01-12 09:07:59,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 09:07:59,462 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 09:07:59,462 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-12 09:07:59,462 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 09:07:59,462 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 09:07:59,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 09:07:59,655 INFO L444 ceAbstractionStarter]: At program point L122(lines 45 124) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (and (= |ULTIMATE.start___ieee754_log_#res| (fp.add roundNearestTiesToEven .cse0 .cse0)) (= ULTIMATE.start___ieee754_log_~x .cse0))) [2019-01-12 09:07:59,655 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2019-01-12 09:07:59,655 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 92) no Hoare annotation was computed. [2019-01-12 09:07:59,655 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 142) no Hoare annotation was computed. [2019-01-12 09:07:59,656 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 65 69) no Hoare annotation was computed. [2019-01-12 09:07:59,656 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 09:07:59,656 INFO L444 ceAbstractionStarter]: At program point L65-2(lines 65 69) the Hoare annotation is: false [2019-01-12 09:07:59,656 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (and (= (bvadd |ULTIMATE.start_isnan_double_#res| (_ bv4294967295 32)) (_ bv0 32)) (= |ULTIMATE.start___ieee754_log_#res| (fp.add roundNearestTiesToEven .cse0 .cse0)) (= ULTIMATE.start___ieee754_log_~x .cse0))) [2019-01-12 09:07:59,656 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 99) no Hoare annotation was computed. [2019-01-12 09:07:59,656 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 09:07:59,657 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 62) no Hoare annotation was computed. [2019-01-12 09:07:59,658 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 09:07:59,658 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 122) no Hoare annotation was computed. [2019-01-12 09:07:59,658 INFO L448 ceAbstractionStarter]: For program point L86(lines 86 91) no Hoare annotation was computed. [2019-01-12 09:07:59,658 INFO L451 ceAbstractionStarter]: At program point L144(lines 129 145) the Hoare annotation is: true [2019-01-12 09:07:59,658 INFO L448 ceAbstractionStarter]: For program point L111(lines 111 123) no Hoare annotation was computed. [2019-01-12 09:07:59,658 INFO L448 ceAbstractionStarter]: For program point L140(line 140) no Hoare annotation was computed. [2019-01-12 09:07:59,659 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 09:07:59,660 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 70) no Hoare annotation was computed. [2019-01-12 09:07:59,660 INFO L448 ceAbstractionStarter]: For program point L58-1(lines 45 124) no Hoare annotation was computed. [2019-01-12 09:07:59,660 INFO L448 ceAbstractionStarter]: For program point L50-1(lines 50 55) no Hoare annotation was computed. [2019-01-12 09:07:59,660 INFO L444 ceAbstractionStarter]: At program point L50-2(lines 50 55) the Hoare annotation is: (= ULTIMATE.start___ieee754_log_~x (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53))) [2019-01-12 09:07:59,660 INFO L448 ceAbstractionStarter]: For program point L50-3(lines 50 55) no Hoare annotation was computed. [2019-01-12 09:07:59,660 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 60) no Hoare annotation was computed. [2019-01-12 09:07:59,661 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 100) no Hoare annotation was computed. [2019-01-12 09:07:59,661 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 117) no Hoare annotation was computed. [2019-01-12 09:07:59,661 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 76 81) no Hoare annotation was computed. [2019-01-12 09:07:59,661 INFO L444 ceAbstractionStarter]: At program point L76-2(lines 76 81) the Hoare annotation is: false [2019-01-12 09:07:59,661 INFO L448 ceAbstractionStarter]: For program point L76-3(lines 76 81) no Hoare annotation was computed. [2019-01-12 09:07:59,670 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:07:59,671 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:07:59,671 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:07:59,671 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:07:59,675 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:07:59,675 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:07:59,675 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:07:59,676 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:07:59,677 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:07:59,677 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:07:59,678 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:07:59,678 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:07:59,678 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:07:59,679 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:07:59,679 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:07:59,679 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:07:59,680 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:07:59,680 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:07:59,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 09:07:59 BoogieIcfgContainer [2019-01-12 09:07:59,682 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 09:07:59,683 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 09:07:59,683 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 09:07:59,683 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 09:07:59,684 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 09:07:22" (3/4) ... [2019-01-12 09:07:59,688 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 09:07:59,702 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-01-12 09:07:59,702 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-01-12 09:07:59,703 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-12 09:07:59,731 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) [2019-01-12 09:07:59,731 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~bvadd64(\result, 4294967295bv32) == 0bv32 && \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) [2019-01-12 09:07:59,781 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 09:07:59,781 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 09:07:59,782 INFO L168 Benchmark]: Toolchain (without parser) took 63635.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 952.7 MB in the beginning and 953.1 MB in the end (delta: -424.4 kB). Peak memory consumption was 133.3 MB. Max. memory is 11.5 GB. [2019-01-12 09:07:59,784 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:07:59,784 INFO L168 Benchmark]: CACSL2BoogieTranslator took 511.10 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 935.3 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2019-01-12 09:07:59,785 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -180.3 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-01-12 09:07:59,785 INFO L168 Benchmark]: Boogie Preprocessor took 63.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 09:07:59,786 INFO L168 Benchmark]: RCFGBuilder took 25754.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2019-01-12 09:07:59,786 INFO L168 Benchmark]: TraceAbstraction took 37077.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 959.8 MB in the end (delta: 128.6 MB). Peak memory consumption was 128.6 MB. Max. memory is 11.5 GB. [2019-01-12 09:07:59,787 INFO L168 Benchmark]: Witness Printer took 98.45 ms. Allocated memory is still 1.2 GB. Free memory was 959.8 MB in the beginning and 953.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-12 09:07:59,790 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 511.10 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 935.3 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 123.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -180.3 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 25754.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 37077.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 959.8 MB in the end (delta: 128.6 MB). Peak memory consumption was 128.6 MB. Max. memory is 11.5 GB. * Witness Printer took 98.45 ms. Allocated memory is still 1.2 GB. Free memory was 959.8 MB in the beginning and 953.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 140]: 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: 127]: Loop Invariant [2019-01-12 09:07:59,797 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:07:59,798 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:07:59,798 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:07:59,798 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:07:59,799 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:07:59,799 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:07:59,799 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:07:59,799 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~bvadd64(\result, 4294967295bv32) == 0bv32 && \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 45]: Loop Invariant [2019-01-12 09:07:59,800 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:07:59,800 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:07:59,800 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:07:59,800 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:07:59,801 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:07:59,801 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:07:59,801 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:07:59,801 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 50]: Loop Invariant [2019-01-12 09:07:59,802 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-01-12 09:07:59,802 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 29 locations, 1 error locations. SAFE Result, 36.9s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 33.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 120 SDtfs, 50 SDslu, 195 SDs, 0 SdLazy, 78 SolverSat, 12 SolverUnsat, 9 SolverUnknown, 0 SolverNotchecked, 29.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 10 NumberOfFragments, 52 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 65 ConstructedInterpolants, 13 QuantifiedInterpolants, 5315 SizeOfPredicates, 20 NumberOfNonLiveVariables, 279 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...