./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/float-newlib/double_req_bl_1130a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa 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_1130a_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 aa2086ab05aa915f1fa31296bc02fdb3a78fa087 ................................................................................................................................................................................................................................................................................................ 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_1130a_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 aa2086ab05aa915f1fa31296bc02fdb3a78fa087 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-31 03:58:25,832 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 03:58:25,834 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 03:58:25,852 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 03:58:25,852 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 03:58:25,853 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 03:58:25,855 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 03:58:25,866 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 03:58:25,868 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 03:58:25,870 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 03:58:25,871 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 03:58:25,874 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 03:58:25,875 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 03:58:25,876 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 03:58:25,878 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 03:58:25,881 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 03:58:25,883 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 03:58:25,892 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 03:58:25,894 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 03:58:25,898 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 03:58:25,900 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 03:58:25,904 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 03:58:25,909 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 03:58:25,909 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 03:58:25,909 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 03:58:25,910 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 03:58:25,911 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 03:58:25,914 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 03:58:25,915 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 03:58:25,916 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 03:58:25,916 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 03:58:25,919 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 03:58:25,919 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 03:58:25,919 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 03:58:25,921 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 03:58:25,923 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 03:58:25,923 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-31 03:58:25,949 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 03:58:25,950 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 03:58:25,952 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 03:58:25,952 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 03:58:25,952 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 03:58:25,952 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 03:58:25,952 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 03:58:25,954 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-31 03:58:25,954 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 03:58:25,954 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 03:58:25,954 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 03:58:25,954 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 03:58:25,955 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 03:58:25,955 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 03:58:25,955 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 03:58:25,955 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 03:58:25,955 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 03:58:25,955 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 03:58:25,956 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 03:58:25,957 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 03:58:25,957 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 03:58:25,957 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 03:58:25,957 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 03:58:25,958 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 03:58:25,958 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 03:58:25,958 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-31 03:58:25,958 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 03:58:25,958 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-31 03:58:25,958 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 -> aa2086ab05aa915f1fa31296bc02fdb3a78fa087 [2018-12-31 03:58:26,002 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 03:58:26,013 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 03:58:26,017 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 03:58:26,019 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 03:58:26,019 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 03:58:26,020 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_1130a_true-unreach-call.c [2018-12-31 03:58:26,087 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2863ae215/ff7d29247e3b4ca8b717ebe11cc3a5f4/FLAGfe9974c1d [2018-12-31 03:58:26,640 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 03:58:26,641 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_1130a_true-unreach-call.c [2018-12-31 03:58:26,650 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2863ae215/ff7d29247e3b4ca8b717ebe11cc3a5f4/FLAGfe9974c1d [2018-12-31 03:58:26,951 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2863ae215/ff7d29247e3b4ca8b717ebe11cc3a5f4 [2018-12-31 03:58:26,956 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 03:58:26,957 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 03:58:26,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 03:58:26,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 03:58:26,963 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 03:58:26,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:58:26" (1/1) ... [2018-12-31 03:58:26,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e727def and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:26, skipping insertion in model container [2018-12-31 03:58:26,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:58:26" (1/1) ... [2018-12-31 03:58:26,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 03:58:27,024 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 03:58:27,365 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:58:27,372 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 03:58:27,453 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:58:27,486 INFO L195 MainTranslator]: Completed translation [2018-12-31 03:58:27,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:27 WrapperNode [2018-12-31 03:58:27,487 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 03:58:27,488 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 03:58:27,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 03:58:27,488 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 03:58:27,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:27" (1/1) ... [2018-12-31 03:58:27,586 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:27" (1/1) ... [2018-12-31 03:58:27,649 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 03:58:27,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 03:58:27,650 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 03:58:27,650 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 03:58:27,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:27" (1/1) ... [2018-12-31 03:58:27,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:27" (1/1) ... [2018-12-31 03:58:27,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:27" (1/1) ... [2018-12-31 03:58:27,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:27" (1/1) ... [2018-12-31 03:58:27,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:27" (1/1) ... [2018-12-31 03:58:27,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:27" (1/1) ... [2018-12-31 03:58:27,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:27" (1/1) ... [2018-12-31 03:58:27,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 03:58:27,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 03:58:27,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 03:58:27,731 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 03:58:27,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 03:58:27,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 03:58:27,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-31 03:58:27,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-31 03:58:27,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-31 03:58:27,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 03:58:27,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 03:58:27,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-31 03:58:27,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2018-12-31 03:58:27,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 03:58:28,678 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 03:58:28,679 INFO L280 CfgBuilder]: Removed 24 assue(true) statements. [2018-12-31 03:58:28,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:58:28 BoogieIcfgContainer [2018-12-31 03:58:28,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 03:58:28,680 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 03:58:28,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 03:58:28,683 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 03:58:28,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 03:58:26" (1/3) ... [2018-12-31 03:58:28,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@208637a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:58:28, skipping insertion in model container [2018-12-31 03:58:28,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:27" (2/3) ... [2018-12-31 03:58:28,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@208637a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:58:28, skipping insertion in model container [2018-12-31 03:58:28,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:58:28" (3/3) ... [2018-12-31 03:58:28,687 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1130a_true-unreach-call.c [2018-12-31 03:58:28,697 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 03:58:28,705 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 03:58:28,721 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 03:58:28,759 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 03:58:28,760 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 03:58:28,760 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 03:58:28,760 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 03:58:28,760 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 03:58:28,760 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 03:58:28,761 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 03:58:28,761 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 03:58:28,761 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 03:58:28,782 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2018-12-31 03:58:28,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-31 03:58:28,790 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:58:28,791 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:58:28,793 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:58:28,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:58:28,799 INFO L82 PathProgramCache]: Analyzing trace with hash 464220005, now seen corresponding path program 1 times [2018-12-31 03:58:28,800 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 03:58:28,801 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 03:58:28,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:58:28,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:58:28,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:58:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:58:28,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:58:28,930 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:58:28,930 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 03:58:28,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 03:58:28,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 03:58:28,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 03:58:28,949 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2018-12-31 03:58:28,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:58:28,972 INFO L93 Difference]: Finished difference Result 119 states and 208 transitions. [2018-12-31 03:58:28,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 03:58:28,974 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-12-31 03:58:28,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:58:28,985 INFO L225 Difference]: With dead ends: 119 [2018-12-31 03:58:28,985 INFO L226 Difference]: Without dead ends: 57 [2018-12-31 03:58:28,988 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 [2018-12-31 03:58:29,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-31 03:58:29,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-12-31 03:58:29,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-31 03:58:29,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 84 transitions. [2018-12-31 03:58:29,031 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 84 transitions. Word has length 11 [2018-12-31 03:58:29,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:58:29,031 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 84 transitions. [2018-12-31 03:58:29,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 03:58:29,032 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions. [2018-12-31 03:58:29,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-31 03:58:29,033 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:58:29,033 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:58:29,033 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:58:29,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:58:29,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1051323842, now seen corresponding path program 1 times [2018-12-31 03:58:29,035 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-31 03:58:29,035 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-31 03:58:29,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:58:29,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:58:29,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-31 03:58:29,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 03:58:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-31 03:58:29,241 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-31 03:58:29,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 03:58:29 BoogieIcfgContainer [2018-12-31 03:58:29,285 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 03:58:29,289 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 03:58:29,289 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 03:58:29,289 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 03:58:29,290 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:58:28" (3/4) ... [2018-12-31 03:58:29,296 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-31 03:58:29,296 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 03:58:29,297 INFO L168 Benchmark]: Toolchain (without parser) took 2340.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 951.3 MB in the beginning and 1.0 GB in the end (delta: -95.0 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:29,300 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-12-31 03:58:29,301 INFO L168 Benchmark]: CACSL2BoogieTranslator took 528.89 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 935.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:29,301 INFO L168 Benchmark]: Boogie Procedure Inliner took 161.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -176.4 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:29,303 INFO L168 Benchmark]: Boogie Preprocessor took 80.35 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:58:29,304 INFO L168 Benchmark]: RCFGBuilder took 949.52 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: 38.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:29,305 INFO L168 Benchmark]: TraceAbstraction took 604.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2018-12-31 03:58:29,306 INFO L168 Benchmark]: Witness Printer took 7.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-31 03:58:29,313 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 528.89 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 935.2 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 161.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -176.4 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.35 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 949.52 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: 38.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 604.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. * Witness Printer took 7.83 ms. Allocated memory is still 1.2 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: 191]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 44, overapproximation of someUnaryDOUBLEoperation at line 20, overapproximation of bitwiseAnd at line 39, overapproximation of someBinaryArithmeticDOUBLEoperation at line 45, overapproximation of someBinaryDOUBLEComparisonOperation at line 190, overapproximation of bitwiseXor at line 40. Possible FailurePath: [L18-L21] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={1:0}] [L182] double x = 0.0; [L183] double y = __VERIFIER_nondet_double(); [L185] COND TRUE y < 0.0 || y > 0.0 [L24] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L25] __uint32_t lx, ly, lz; VAL [one_fmod=1, Zero_fmod={1:0}] [L28] ieee_double_shape_type ew_u; [L29] ew_u.value = (x) [L30] EXPR ew_u.parts.msw [L30] (hx) = ew_u.parts.msw [L31] EXPR ew_u.parts.lsw [L31] (lx) = ew_u.parts.lsw [L34] ieee_double_shape_type ew_u; [L35] ew_u.value = (y) [L36] EXPR ew_u.parts.msw [L36] (hy) = ew_u.parts.msw [L37] EXPR ew_u.parts.lsw [L37] (ly) = ew_u.parts.lsw [L39] sx = hx & 0x80000000 [L40] hx ^= sx [L41] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={1:0}] [L43-L44] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L45] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={1:0}] [L187] double res = fmod_double(x, y); [L190] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [one_fmod=1, Zero_fmod={1:0}] [L190] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L191] __VERIFIER_error() VAL [one_fmod=1, Zero_fmod={1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 61 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 89 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=61occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 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 0.1.24-2e94e6a [2018-12-31 03:58:31,747 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-31 03:58:31,752 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-31 03:58:31,771 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-31 03:58:31,772 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-31 03:58:31,774 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-31 03:58:31,776 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-31 03:58:31,778 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-31 03:58:31,781 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-31 03:58:31,783 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-31 03:58:31,785 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-31 03:58:31,786 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-31 03:58:31,788 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-31 03:58:31,788 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-31 03:58:31,792 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-31 03:58:31,800 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-31 03:58:31,801 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-31 03:58:31,805 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-31 03:58:31,808 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-31 03:58:31,814 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-31 03:58:31,816 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-31 03:58:31,820 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-31 03:58:31,825 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-31 03:58:31,826 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-31 03:58:31,826 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-31 03:58:31,827 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-31 03:58:31,828 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-31 03:58:31,829 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-31 03:58:31,832 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-31 03:58:31,834 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-31 03:58:31,834 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-31 03:58:31,835 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-31 03:58:31,835 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-31 03:58:31,836 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-31 03:58:31,838 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-31 03:58:31,839 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-31 03:58:31,839 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-31 03:58:31,864 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-31 03:58:31,864 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-31 03:58:31,867 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-31 03:58:31,867 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-31 03:58:31,867 INFO L133 SettingsManager]: * Use SBE=true [2018-12-31 03:58:31,867 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-31 03:58:31,868 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-31 03:58:31,868 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-31 03:58:31,868 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-31 03:58:31,868 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-31 03:58:31,868 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-31 03:58:31,868 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-31 03:58:31,869 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-31 03:58:31,870 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-31 03:58:31,870 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-31 03:58:31,870 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-31 03:58:31,870 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-31 03:58:31,870 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-31 03:58:31,871 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-31 03:58:31,872 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-31 03:58:31,872 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-31 03:58:31,872 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-31 03:58:31,872 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-31 03:58:31,872 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-31 03:58:31,873 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-31 03:58:31,873 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-31 03:58:31,873 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-31 03:58:31,873 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-31 03:58:31,873 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-31 03:58:31,873 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-31 03:58:31,874 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 -> aa2086ab05aa915f1fa31296bc02fdb3a78fa087 [2018-12-31 03:58:31,928 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-31 03:58:31,944 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-31 03:58:31,948 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-31 03:58:31,950 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-31 03:58:31,950 INFO L276 PluginConnector]: CDTParser initialized [2018-12-31 03:58:31,952 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/float-newlib/double_req_bl_1130a_true-unreach-call.c [2018-12-31 03:58:32,019 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf14fe691/7f225e2cb5ff4bf3b4a0f00a614a626d/FLAGf05e08053 [2018-12-31 03:58:32,534 INFO L307 CDTParser]: Found 1 translation units. [2018-12-31 03:58:32,535 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/float-newlib/double_req_bl_1130a_true-unreach-call.c [2018-12-31 03:58:32,545 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf14fe691/7f225e2cb5ff4bf3b4a0f00a614a626d/FLAGf05e08053 [2018-12-31 03:58:32,867 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf14fe691/7f225e2cb5ff4bf3b4a0f00a614a626d [2018-12-31 03:58:32,871 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-31 03:58:32,873 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-31 03:58:32,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-31 03:58:32,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-31 03:58:32,879 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-31 03:58:32,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:58:32" (1/1) ... [2018-12-31 03:58:32,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e727def and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:32, skipping insertion in model container [2018-12-31 03:58:32,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.12 03:58:32" (1/1) ... [2018-12-31 03:58:32,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-31 03:58:32,928 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-31 03:58:33,245 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:58:33,259 INFO L191 MainTranslator]: Completed pre-run [2018-12-31 03:58:33,341 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-31 03:58:33,373 INFO L195 MainTranslator]: Completed translation [2018-12-31 03:58:33,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:33 WrapperNode [2018-12-31 03:58:33,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-31 03:58:33,375 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-31 03:58:33,375 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-31 03:58:33,376 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-31 03:58:33,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:33" (1/1) ... [2018-12-31 03:58:33,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:33" (1/1) ... [2018-12-31 03:58:33,520 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-31 03:58:33,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-31 03:58:33,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-31 03:58:33,521 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-31 03:58:33,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:33" (1/1) ... [2018-12-31 03:58:33,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:33" (1/1) ... [2018-12-31 03:58:33,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:33" (1/1) ... [2018-12-31 03:58:33,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:33" (1/1) ... [2018-12-31 03:58:33,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:33" (1/1) ... [2018-12-31 03:58:33,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:33" (1/1) ... [2018-12-31 03:58:33,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:33" (1/1) ... [2018-12-31 03:58:33,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-31 03:58:33,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-31 03:58:33,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-31 03:58:33,601 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-31 03:58:33,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:33" (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 [2018-12-31 03:58:33,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-31 03:58:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-31 03:58:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2018-12-31 03:58:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2018-12-31 03:58:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-31 03:58:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-31 03:58:33,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-31 03:58:33,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-31 03:58:33,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-31 03:58:33,940 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 03:58:34,003 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 03:58:34,110 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 03:58:34,211 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-31 03:58:37,643 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-31 03:58:37,643 INFO L280 CfgBuilder]: Removed 24 assue(true) statements. [2018-12-31 03:58:37,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:58:37 BoogieIcfgContainer [2018-12-31 03:58:37,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-31 03:58:37,645 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-31 03:58:37,645 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-31 03:58:37,648 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-31 03:58:37,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.12 03:58:32" (1/3) ... [2018-12-31 03:58:37,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bf17047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:58:37, skipping insertion in model container [2018-12-31 03:58:37,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.12 03:58:33" (2/3) ... [2018-12-31 03:58:37,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bf17047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.12 03:58:37, skipping insertion in model container [2018-12-31 03:58:37,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:58:37" (3/3) ... [2018-12-31 03:58:37,652 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1130a_true-unreach-call.c [2018-12-31 03:58:37,662 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-31 03:58:37,673 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-31 03:58:37,692 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-31 03:58:37,722 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-31 03:58:37,723 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-31 03:58:37,723 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-31 03:58:37,723 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-31 03:58:37,723 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-31 03:58:37,723 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-31 03:58:37,724 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-31 03:58:37,724 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-31 03:58:37,724 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-31 03:58:37,739 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2018-12-31 03:58:37,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-31 03:58:37,746 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:58:37,747 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:58:37,750 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:58:37,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:58:37,755 INFO L82 PathProgramCache]: Analyzing trace with hash 464220005, now seen corresponding path program 1 times [2018-12-31 03:58:37,759 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:58:37,760 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 [2018-12-31 03:58:37,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:58:38,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:58:38,753 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:58:38,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:58:38,768 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:58:38,792 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:58:38,793 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-31 03:58:38,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-31 03:58:38,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-31 03:58:38,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 03:58:38,811 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2018-12-31 03:58:38,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 03:58:38,835 INFO L93 Difference]: Finished difference Result 119 states and 208 transitions. [2018-12-31 03:58:38,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-31 03:58:38,836 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-12-31 03:58:38,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 03:58:38,848 INFO L225 Difference]: With dead ends: 119 [2018-12-31 03:58:38,849 INFO L226 Difference]: Without dead ends: 57 [2018-12-31 03:58:38,852 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-31 03:58:38,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-31 03:58:38,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-12-31 03:58:38,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-31 03:58:38,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 84 transitions. [2018-12-31 03:58:38,888 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 84 transitions. Word has length 11 [2018-12-31 03:58:38,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 03:58:38,889 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 84 transitions. [2018-12-31 03:58:38,889 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-31 03:58:38,889 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions. [2018-12-31 03:58:38,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-31 03:58:38,890 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 03:58:38,890 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 03:58:38,890 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 03:58:38,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 03:58:38,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1051323842, now seen corresponding path program 1 times [2018-12-31 03:58:38,892 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 03:58:38,892 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 [2018-12-31 03:58:38,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 03:58:39,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 03:58:40,047 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 03:58:40,389 WARN L181 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-12-31 03:58:40,522 INFO L683 Elim1Store]: detected equality via solver [2018-12-31 03:58:40,539 INFO L683 Elim1Store]: detected equality via solver [2018-12-31 03:58:40,545 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 69 [2018-12-31 03:58:40,831 WARN L181 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2018-12-31 03:58:40,901 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 24 [2018-12-31 03:58:40,902 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-31 03:58:41,009 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-12-31 03:58:41,025 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 4 [2018-12-31 03:58:41,026 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-31 03:58:41,030 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 03:58:41,058 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-31 03:58:41,276 INFO L683 Elim1Store]: detected equality via solver [2018-12-31 03:58:41,285 INFO L683 Elim1Store]: detected equality via solver [2018-12-31 03:58:41,287 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 69 [2018-12-31 03:58:41,438 WARN L181 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2018-12-31 03:58:41,479 INFO L683 Elim1Store]: detected equality via solver [2018-12-31 03:58:41,537 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 24 [2018-12-31 03:58:41,538 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-12-31 03:58:41,770 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-12-31 03:58:41,795 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 4 [2018-12-31 03:58:41,796 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-12-31 03:58:41,801 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 03:58:41,830 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-31 03:58:41,915 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2018-12-31 03:58:41,916 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 10 variables, input treesize:119, output treesize:63 [2018-12-31 03:58:57,319 WARN L181 SmtUtils]: Spent 12.16 s on a formula simplification that was a NOOP. DAG size: 59 [2018-12-31 03:58:57,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 03:58:57,347 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 03:58:57,369 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 03:58:57,369 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-31 03:58:57,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-31 03:58:57,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-31 03:58:57,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=30, Unknown=1, NotChecked=0, Total=42 [2018-12-31 03:58:57,372 INFO L87 Difference]: Start difference. First operand 57 states and 84 transitions. Second operand 7 states. [2018-12-31 03:59:02,297 WARN L181 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2018-12-31 03:59:03,142 WARN L181 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2018-12-31 03:59:38,723 WARN L181 SmtUtils]: Spent 29.51 s on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2018-12-31 04:00:44,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:00:44,465 INFO L93 Difference]: Finished difference Result 127 states and 176 transitions. [2018-12-31 04:00:44,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-31 04:00:44,506 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2018-12-31 04:00:44,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:00:44,508 INFO L225 Difference]: With dead ends: 127 [2018-12-31 04:00:44,508 INFO L226 Difference]: Without dead ends: 82 [2018-12-31 04:00:44,510 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 52.2s TimeCoverageRelationStatistics Valid=37, Invalid=69, Unknown=4, NotChecked=0, Total=110 [2018-12-31 04:00:44,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-12-31 04:00:44,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 55. [2018-12-31 04:00:44,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-12-31 04:00:44,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 77 transitions. [2018-12-31 04:00:44,527 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 77 transitions. Word has length 13 [2018-12-31 04:00:44,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:00:44,529 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 77 transitions. [2018-12-31 04:00:44,529 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-31 04:00:44,529 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2018-12-31 04:00:44,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-31 04:00:44,530 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:00:44,530 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:00:44,530 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:00:44,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:00:44,532 INFO L82 PathProgramCache]: Analyzing trace with hash 734189607, now seen corresponding path program 1 times [2018-12-31 04:00:44,532 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 04:00:44,532 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 [2018-12-31 04:00:44,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:00:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:00:44,631 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 04:00:44,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:00:44,708 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 04:00:44,720 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 04:00:44,720 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-31 04:00:44,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-31 04:00:44,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-31 04:00:44,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-31 04:00:44,721 INFO L87 Difference]: Start difference. First operand 55 states and 77 transitions. Second operand 6 states. [2018-12-31 04:00:45,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:00:45,714 INFO L93 Difference]: Finished difference Result 76 states and 97 transitions. [2018-12-31 04:00:45,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-31 04:00:45,715 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2018-12-31 04:00:45,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:00:45,716 INFO L225 Difference]: With dead ends: 76 [2018-12-31 04:00:45,716 INFO L226 Difference]: Without dead ends: 73 [2018-12-31 04:00:45,717 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-12-31 04:00:45,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-12-31 04:00:45,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 57. [2018-12-31 04:00:45,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-31 04:00:45,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 79 transitions. [2018-12-31 04:00:45,737 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 79 transitions. Word has length 15 [2018-12-31 04:00:45,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:00:45,737 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 79 transitions. [2018-12-31 04:00:45,737 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-31 04:00:45,737 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2018-12-31 04:00:45,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-31 04:00:45,738 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:00:45,738 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:00:45,739 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:00:45,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:00:45,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1151454894, now seen corresponding path program 1 times [2018-12-31 04:00:45,739 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 04:00:45,742 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 [2018-12-31 04:00:45,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:00:45,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:00:45,908 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 04:00:45,938 INFO L683 Elim1Store]: detected equality via solver [2018-12-31 04:00:45,939 INFO L683 Elim1Store]: detected equality via solver [2018-12-31 04:00:45,940 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2018-12-31 04:00:46,047 WARN L181 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2018-12-31 04:00:46,053 INFO L683 Elim1Store]: detected equality via solver [2018-12-31 04:00:46,055 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 40 [2018-12-31 04:00:46,056 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-31 04:00:46,078 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2018-12-31 04:00:46,103 INFO L683 Elim1Store]: detected equality via solver [2018-12-31 04:00:46,105 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 12 [2018-12-31 04:00:46,105 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-12-31 04:00:46,115 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:00:46,122 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-31 04:00:46,134 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-31 04:00:46,135 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:57, output treesize:17 [2018-12-31 04:00:46,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:00:46,363 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 04:00:46,378 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 04:00:46,378 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-31 04:00:46,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-31 04:00:46,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-31 04:00:46,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-31 04:00:46,379 INFO L87 Difference]: Start difference. First operand 57 states and 79 transitions. Second operand 8 states. [2018-12-31 04:00:47,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:00:47,076 INFO L93 Difference]: Finished difference Result 64 states and 85 transitions. [2018-12-31 04:00:47,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-31 04:00:47,082 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2018-12-31 04:00:47,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:00:47,083 INFO L225 Difference]: With dead ends: 64 [2018-12-31 04:00:47,083 INFO L226 Difference]: Without dead ends: 20 [2018-12-31 04:00:47,085 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2018-12-31 04:00:47,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-12-31 04:00:47,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2018-12-31 04:00:47,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-12-31 04:00:47,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 19 transitions. [2018-12-31 04:00:47,094 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 19 transitions. Word has length 16 [2018-12-31 04:00:47,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:00:47,095 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 19 transitions. [2018-12-31 04:00:47,095 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-31 04:00:47,095 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 19 transitions. [2018-12-31 04:00:47,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-31 04:00:47,096 INFO L394 BasicCegarLoop]: Found error trace [2018-12-31 04:00:47,096 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-31 04:00:47,096 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-31 04:00:47,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-31 04:00:47,098 INFO L82 PathProgramCache]: Analyzing trace with hash -1071102724, now seen corresponding path program 1 times [2018-12-31 04:00:47,099 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-31 04:00:47,099 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 [2018-12-31 04:00:47,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-31 04:00:47,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-31 04:00:47,218 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-31 04:00:47,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-31 04:00:47,387 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-31 04:00:47,401 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-31 04:00:47,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-31 04:00:47,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-31 04:00:47,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-31 04:00:47,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-31 04:00:47,404 INFO L87 Difference]: Start difference. First operand 20 states and 19 transitions. Second operand 10 states. [2018-12-31 04:00:48,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-31 04:00:48,263 INFO L93 Difference]: Finished difference Result 20 states and 19 transitions. [2018-12-31 04:00:48,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-31 04:00:48,265 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 19 [2018-12-31 04:00:48,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-31 04:00:48,265 INFO L225 Difference]: With dead ends: 20 [2018-12-31 04:00:48,266 INFO L226 Difference]: Without dead ends: 0 [2018-12-31 04:00:48,266 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2018-12-31 04:00:48,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-31 04:00:48,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-31 04:00:48,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-31 04:00:48,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-31 04:00:48,268 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2018-12-31 04:00:48,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-31 04:00:48,268 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-31 04:00:48,268 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-31 04:00:48,269 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-31 04:00:48,269 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-31 04:00:48,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-31 04:00:48,561 WARN L181 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-12-31 04:00:48,675 WARN L181 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2018-12-31 04:00:48,808 WARN L181 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-12-31 04:00:48,819 INFO L448 ceAbstractionStarter]: For program point L118(lines 118 119) no Hoare annotation was computed. [2018-12-31 04:00:48,820 INFO L448 ceAbstractionStarter]: For program point L118-2(lines 23 161) no Hoare annotation was computed. [2018-12-31 04:00:48,820 INFO L448 ceAbstractionStarter]: For program point L69-2(lines 69 70) no Hoare annotation was computed. [2018-12-31 04:00:48,820 INFO L444 ceAbstractionStarter]: At program point L69-3(lines 69 70) the Hoare annotation is: false [2018-12-31 04:00:48,820 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2018-12-31 04:00:48,820 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 194) no Hoare annotation was computed. [2018-12-31 04:00:48,820 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 157) no Hoare annotation was computed. [2018-12-31 04:00:48,820 INFO L448 ceAbstractionStarter]: For program point L152-1(lines 140 159) no Hoare annotation was computed. [2018-12-31 04:00:48,820 INFO L448 ceAbstractionStarter]: For program point L185-2(lines 185 194) no Hoare annotation was computed. [2018-12-31 04:00:48,821 INFO L448 ceAbstractionStarter]: For program point L152-2(lines 152 157) no Hoare annotation was computed. [2018-12-31 04:00:48,821 INFO L448 ceAbstractionStarter]: For program point L53(lines 23 161) no Hoare annotation was computed. [2018-12-31 04:00:48,821 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 161) no Hoare annotation was computed. [2018-12-31 04:00:48,821 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 60) no Hoare annotation was computed. [2018-12-31 04:00:48,821 INFO L448 ceAbstractionStarter]: For program point L104(lines 104 105) no Hoare annotation was computed. [2018-12-31 04:00:48,821 INFO L448 ceAbstractionStarter]: For program point L104-2(lines 101 115) no Hoare annotation was computed. [2018-12-31 04:00:48,821 INFO L448 ceAbstractionStarter]: For program point L55-2(lines 55 56) no Hoare annotation was computed. [2018-12-31 04:00:48,821 INFO L444 ceAbstractionStarter]: At program point L55-3(lines 55 56) the Hoare annotation is: false [2018-12-31 04:00:48,822 INFO L444 ceAbstractionStarter]: At program point L172(lines 163 173) the Hoare annotation is: (and (= (bvxor ULTIMATE.start_fmod_double_~lx~0 (bvand (_ bv2147483648 32) ULTIMATE.start_fmod_double_~lx~0)) ULTIMATE.start_fmod_double_~hx~0) (= ULTIMATE.start_main_~res~0 (_ +zero 11 53)) (= (_ +zero 11 53) ULTIMATE.start___signbit_double_~x) (exists ((v_ULTIMATE.start_fmod_double_~hy~0_24 (_ BitVec 32))) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_double_~hy~0_24) ULTIMATE.start_fmod_double_~hy~0)) (= (_ +zero 11 53) ULTIMATE.start_main_~x~0) (= (_ +zero 11 53) |ULTIMATE.start_fmod_double_#res|) (= (_ bv0 32) |ULTIMATE.start___signbit_double_#res|) (exists ((v_prenex_25 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_prenex_25) ((_ extract 62 52) v_prenex_25) ((_ extract 51 0) v_prenex_25)) (_ +zero 11 53)) (= ((_ extract 63 32) v_prenex_25) ULTIMATE.start___signbit_double_~msw~0))) |ULTIMATE.start_main_#t~short21| (exists ((v_prenex_24 (_ BitVec 64))) (and (= ((_ extract 31 0) v_prenex_24) ULTIMATE.start_fmod_double_~lx~0) (= (_ +zero 11 53) (fp ((_ extract 63 63) v_prenex_24) ((_ extract 62 52) v_prenex_24) ((_ extract 51 0) v_prenex_24))))) (not (= (_ bv0 32) (bvor ULTIMATE.start_fmod_double_~hy~0 ULTIMATE.start_fmod_double_~ly~0))) (= (_ +zero 11 53) ULTIMATE.start_fmod_double_~x)) [2018-12-31 04:00:48,822 INFO L444 ceAbstractionStarter]: At program point L106-1(lines 101 115) the Hoare annotation is: false [2018-12-31 04:00:48,822 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-31 04:00:48,822 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-31 04:00:48,822 INFO L448 ceAbstractionStarter]: For program point L190-2(lines 190 193) no Hoare annotation was computed. [2018-12-31 04:00:48,823 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 97) no Hoare annotation was computed. [2018-12-31 04:00:48,823 INFO L448 ceAbstractionStarter]: For program point L91-2(lines 87 98) no Hoare annotation was computed. [2018-12-31 04:00:48,823 INFO L448 ceAbstractionStarter]: For program point L58-2(lines 58 59) no Hoare annotation was computed. [2018-12-31 04:00:48,823 INFO L444 ceAbstractionStarter]: At program point L58-3(lines 58 59) the Hoare annotation is: false [2018-12-31 04:00:48,823 INFO L448 ceAbstractionStarter]: For program point L191(line 191) no Hoare annotation was computed. [2018-12-31 04:00:48,823 INFO L448 ceAbstractionStarter]: For program point L142(lines 142 151) no Hoare annotation was computed. [2018-12-31 04:00:48,823 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 45) no Hoare annotation was computed. [2018-12-31 04:00:48,823 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 27 32) no Hoare annotation was computed. [2018-12-31 04:00:48,823 INFO L444 ceAbstractionStarter]: At program point L27-2(lines 27 32) the Hoare annotation is: (and (or (fp.gt ULTIMATE.start_fmod_double_~y (_ +zero 11 53)) (fp.lt ULTIMATE.start_fmod_double_~y (_ +zero 11 53))) (= (_ +zero 11 53) ULTIMATE.start_main_~x~0) (= (_ +zero 11 53) ULTIMATE.start_fmod_double_~x)) [2018-12-31 04:00:48,824 INFO L448 ceAbstractionStarter]: For program point L110(lines 110 111) no Hoare annotation was computed. [2018-12-31 04:00:48,824 INFO L444 ceAbstractionStarter]: At program point L160(lines 23 161) the Hoare annotation is: (and (= (bvxor ULTIMATE.start_fmod_double_~lx~0 (bvand (_ bv2147483648 32) ULTIMATE.start_fmod_double_~lx~0)) ULTIMATE.start_fmod_double_~hx~0) (exists ((v_ULTIMATE.start_fmod_double_~hy~0_24 (_ BitVec 32))) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_double_~hy~0_24) ULTIMATE.start_fmod_double_~hy~0)) (= (_ +zero 11 53) ULTIMATE.start_main_~x~0) (= (_ +zero 11 53) |ULTIMATE.start_fmod_double_#res|) (exists ((v_prenex_24 (_ BitVec 64))) (and (= ((_ extract 31 0) v_prenex_24) ULTIMATE.start_fmod_double_~lx~0) (= (_ +zero 11 53) (fp ((_ extract 63 63) v_prenex_24) ((_ extract 62 52) v_prenex_24) ((_ extract 51 0) v_prenex_24))))) (not (= (_ bv0 32) (bvor ULTIMATE.start_fmod_double_~hy~0 ULTIMATE.start_fmod_double_~ly~0))) (= (_ +zero 11 53) ULTIMATE.start_fmod_double_~x)) [2018-12-31 04:00:48,824 INFO L444 ceAbstractionStarter]: At program point L127-2(lines 127 131) the Hoare annotation is: false [2018-12-31 04:00:48,824 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-31 04:00:48,824 INFO L448 ceAbstractionStarter]: For program point L127-3(lines 23 161) no Hoare annotation was computed. [2018-12-31 04:00:48,824 INFO L448 ceAbstractionStarter]: For program point L145(lines 145 151) no Hoare annotation was computed. [2018-12-31 04:00:48,824 INFO L448 ceAbstractionStarter]: For program point L79(lines 79 85) no Hoare annotation was computed. [2018-12-31 04:00:48,824 INFO L448 ceAbstractionStarter]: For program point L46(lines 46 51) no Hoare annotation was computed. [2018-12-31 04:00:48,825 INFO L448 ceAbstractionStarter]: For program point L79-2(lines 23 161) no Hoare annotation was computed. [2018-12-31 04:00:48,825 INFO L448 ceAbstractionStarter]: For program point L46-2(lines 23 161) no Hoare annotation was computed. [2018-12-31 04:00:48,825 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 191) no Hoare annotation was computed. [2018-12-31 04:00:48,825 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 48) no Hoare annotation was computed. [2018-12-31 04:00:48,825 INFO L451 ceAbstractionStarter]: At program point L196(lines 175 197) the Hoare annotation is: true [2018-12-31 04:00:48,825 INFO L448 ceAbstractionStarter]: For program point L64(lines 23 161) no Hoare annotation was computed. [2018-12-31 04:00:48,825 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-12-31 04:00:48,825 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-12-31 04:00:48,825 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2018-12-31 04:00:48,826 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 159) no Hoare annotation was computed. [2018-12-31 04:00:48,826 INFO L448 ceAbstractionStarter]: For program point L33(lines 33 38) no Hoare annotation was computed. [2018-12-31 04:00:48,826 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 161) no Hoare annotation was computed. [2018-12-31 04:00:48,826 INFO L448 ceAbstractionStarter]: For program point L66-2(lines 66 67) no Hoare annotation was computed. [2018-12-31 04:00:48,826 INFO L448 ceAbstractionStarter]: For program point L33-2(lines 33 38) no Hoare annotation was computed. [2018-12-31 04:00:48,826 INFO L444 ceAbstractionStarter]: At program point L66-3(lines 66 67) the Hoare annotation is: false [2018-12-31 04:00:48,826 INFO L448 ceAbstractionStarter]: For program point L166-1(lines 166 170) no Hoare annotation was computed. [2018-12-31 04:00:48,826 INFO L444 ceAbstractionStarter]: At program point L166-2(lines 166 170) the Hoare annotation is: (and (= (bvxor ULTIMATE.start_fmod_double_~lx~0 (bvand (_ bv2147483648 32) ULTIMATE.start_fmod_double_~lx~0)) ULTIMATE.start_fmod_double_~hx~0) (= ULTIMATE.start_main_~res~0 (_ +zero 11 53)) (exists ((v_ULTIMATE.start_fmod_double_~hy~0_24 (_ BitVec 32))) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_double_~hy~0_24) ULTIMATE.start_fmod_double_~hy~0)) (= (_ +zero 11 53) ULTIMATE.start___signbit_double_~x) (= (_ +zero 11 53) ULTIMATE.start_main_~x~0) (= (_ +zero 11 53) |ULTIMATE.start_fmod_double_#res|) |ULTIMATE.start_main_#t~short21| (exists ((v_prenex_24 (_ BitVec 64))) (and (= ((_ extract 31 0) v_prenex_24) ULTIMATE.start_fmod_double_~lx~0) (= (_ +zero 11 53) (fp ((_ extract 63 63) v_prenex_24) ((_ extract 62 52) v_prenex_24) ((_ extract 51 0) v_prenex_24))))) (not (= (_ bv0 32) (bvor ULTIMATE.start_fmod_double_~hy~0 ULTIMATE.start_fmod_double_~ly~0))) (= (_ +zero 11 53) ULTIMATE.start_fmod_double_~x)) [2018-12-31 04:00:48,826 INFO L448 ceAbstractionStarter]: For program point L166-3(lines 166 170) no Hoare annotation was computed. [2018-12-31 04:00:48,827 INFO L448 ceAbstractionStarter]: For program point L134-1(lines 134 139) no Hoare annotation was computed. [2018-12-31 04:00:48,827 INFO L448 ceAbstractionStarter]: For program point L101-1(lines 101 115) no Hoare annotation was computed. [2018-12-31 04:00:48,827 INFO L444 ceAbstractionStarter]: At program point L134-2(lines 134 139) the Hoare annotation is: false [2018-12-31 04:00:48,827 INFO L448 ceAbstractionStarter]: For program point L101-3(lines 101 115) no Hoare annotation was computed. [2018-12-31 04:00:48,837 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] [2018-12-31 04:00:48,838 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,839 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,839 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,839 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,846 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] [2018-12-31 04:00:48,846 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,846 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,846 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,847 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,848 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] [2018-12-31 04:00:48,848 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] [2018-12-31 04:00:48,849 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] [2018-12-31 04:00:48,849 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] [2018-12-31 04:00:48,849 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] [2018-12-31 04:00:48,849 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,849 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,850 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,850 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,851 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] [2018-12-31 04:00:48,851 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] [2018-12-31 04:00:48,851 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] [2018-12-31 04:00:48,852 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] [2018-12-31 04:00:48,852 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] [2018-12-31 04:00:48,852 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,852 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,852 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,852 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,854 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] [2018-12-31 04:00:48,855 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,855 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,855 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,855 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,856 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] [2018-12-31 04:00:48,856 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,856 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,857 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,857 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.12 04:00:48 BoogieIcfgContainer [2018-12-31 04:00:48,859 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-31 04:00:48,860 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-31 04:00:48,860 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-31 04:00:48,860 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-31 04:00:48,861 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.12 03:58:37" (3/4) ... [2018-12-31 04:00:48,865 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-31 04:00:48,881 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-31 04:00:48,881 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-31 04:00:48,939 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-31 04:00:48,939 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-31 04:00:48,940 INFO L168 Benchmark]: Toolchain (without parser) took 136068.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.4 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -170.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2018-12-31 04:00:48,941 INFO L168 Benchmark]: CDTParser took 0.20 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. [2018-12-31 04:00:48,942 INFO L168 Benchmark]: CACSL2BoogieTranslator took 500.17 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. [2018-12-31 04:00:48,942 INFO L168 Benchmark]: Boogie Procedure Inliner took 144.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -178.6 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-12-31 04:00:48,943 INFO L168 Benchmark]: Boogie Preprocessor took 73.71 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. [2018-12-31 04:00:48,943 INFO L168 Benchmark]: RCFGBuilder took 4049.22 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: 38.2 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. [2018-12-31 04:00:48,944 INFO L168 Benchmark]: TraceAbstraction took 131214.87 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 63.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -46.6 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. [2018-12-31 04:00:48,945 INFO L168 Benchmark]: Witness Printer took 79.28 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. [2018-12-31 04:00:48,949 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 500.17 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 144.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -178.6 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.71 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 4049.22 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: 38.2 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 131214.87 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 63.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -46.6 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. * Witness Printer took 79.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 191]: 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: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant [2018-12-31 04:00:48,963 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] [2018-12-31 04:00:48,963 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,963 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,964 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,964 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,965 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] [2018-12-31 04:00:48,965 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,965 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,965 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,965 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] Derived loop invariant: (((((~bvxor32(lx, ~bvand32(2147483648bv32, lx)) == hx && (\exists v_ULTIMATE.start_fmod_double_~hy~0_24 : bv32 :: ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_double_~hy~0_24) == hy)) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == \result) && (\exists v_prenex_24 : bv64 :: v_prenex_24[31:0] == lx && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_prenex_24[63:63], v_prenex_24[62:52], v_prenex_24[51:0]))) && !(0bv32 == ~bvor32(hy, ly))) && ~Pluszero~LONGDOUBLE() == x - InvariantResult [Line: 163]: Loop Invariant [2018-12-31 04:00:48,966 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] [2018-12-31 04:00:48,966 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] [2018-12-31 04:00:48,966 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] [2018-12-31 04:00:48,966 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] [2018-12-31 04:00:48,967 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] [2018-12-31 04:00:48,967 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,967 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,967 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,967 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,968 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] [2018-12-31 04:00:48,968 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] [2018-12-31 04:00:48,969 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] [2018-12-31 04:00:48,969 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] [2018-12-31 04:00:48,969 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_25,QUANTIFIED] [2018-12-31 04:00:48,969 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,969 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,969 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,970 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] Derived loop invariant: ((((((((((~bvxor32(lx, ~bvand32(2147483648bv32, lx)) == hx && res == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && (\exists v_ULTIMATE.start_fmod_double_~hy~0_24 : bv32 :: ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_double_~hy~0_24) == hy)) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == \result) && 0bv32 == \result) && (\exists v_prenex_25 : bv64 :: ~fp~LONGDOUBLE(v_prenex_25[63:63], v_prenex_25[62:52], v_prenex_25[51:0]) == ~Pluszero~LONGDOUBLE() && v_prenex_25[63:32] == msw)) && aux-res == 0.0 && __signbit_double(res) == 0-aux) && (\exists v_prenex_24 : bv64 :: v_prenex_24[31:0] == lx && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_prenex_24[63:63], v_prenex_24[62:52], v_prenex_24[51:0]))) && !(0bv32 == ~bvor32(hy, ly))) && ~Pluszero~LONGDOUBLE() == x - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: ((~fp.gt~DOUBLE(y, ~Pluszero~LONGDOUBLE()) || ~fp.lt~DOUBLE(y, ~Pluszero~LONGDOUBLE())) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == x - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant [2018-12-31 04:00:48,971 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] [2018-12-31 04:00:48,972 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,972 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,972 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,972 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,973 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_24,QUANTIFIED] [2018-12-31 04:00:48,973 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,973 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,973 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] [2018-12-31 04:00:48,973 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_24,QUANTIFIED] Derived loop invariant: ((((((((~bvxor32(lx, ~bvand32(2147483648bv32, lx)) == hx && res == ~Pluszero~LONGDOUBLE()) && (\exists v_ULTIMATE.start_fmod_double_~hy~0_24 : bv32 :: ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_double_~hy~0_24) == hy)) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == \result) && aux-res == 0.0 && __signbit_double(res) == 0-aux) && (\exists v_prenex_24 : bv64 :: v_prenex_24[31:0] == lx && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_prenex_24[63:63], v_prenex_24[62:52], v_prenex_24[51:0]))) && !(0bv32 == ~bvor32(hy, ly))) && ~Pluszero~LONGDOUBLE() == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 61 locations, 1 error locations. SAFE Result, 131.1s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 109.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 244 SDtfs, 500 SDslu, 315 SDs, 0 SdLazy, 170 SolverSat, 25 SolverUnsat, 34 SolverUnknown, 0 SolverNotchecked, 72.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 88 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 53.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred 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, 43 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 17 NumberOfFragments, 186 HoareAnnotationTreeSize, 12 FomulaSimplifications, 1191 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 18.2s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 69 ConstructedInterpolants, 15 QuantifiedInterpolants, 9090 SizeOfPredicates, 33 NumberOfNonLiveVariables, 340 ConjunctsInSsa, 56 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...