./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1092b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d9047476-fdf1-4492-8998-3598ff85d04b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d9047476-fdf1-4492-8998-3598ff85d04b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d9047476-fdf1-4492-8998-3598ff85d04b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d9047476-fdf1-4492-8998-3598ff85d04b/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d9047476-fdf1-4492-8998-3598ff85d04b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d9047476-fdf1-4492-8998-3598ff85d04b/bin-2019/uautomizer --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 0d806ca1b262345211037ccd3e4a22cabffa047b ................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d9047476-fdf1-4492-8998-3598ff85d04b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d9047476-fdf1-4492-8998-3598ff85d04b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d9047476-fdf1-4492-8998-3598ff85d04b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d9047476-fdf1-4492-8998-3598ff85d04b/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d9047476-fdf1-4492-8998-3598ff85d04b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d9047476-fdf1-4492-8998-3598ff85d04b/bin-2019/uautomizer --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 0d806ca1b262345211037ccd3e4a22cabffa047b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 09:46:31,659 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 09:46:31,660 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 09:46:31,667 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 09:46:31,667 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 09:46:31,667 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 09:46:31,668 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 09:46:31,669 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 09:46:31,670 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 09:46:31,670 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 09:46:31,671 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 09:46:31,671 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 09:46:31,672 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 09:46:31,672 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 09:46:31,673 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 09:46:31,673 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 09:46:31,674 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 09:46:31,675 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 09:46:31,676 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 09:46:31,677 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 09:46:31,677 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 09:46:31,678 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 09:46:31,680 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 09:46:31,680 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 09:46:31,680 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 09:46:31,681 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 09:46:31,681 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 09:46:31,682 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 09:46:31,682 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 09:46:31,683 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 09:46:31,683 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 09:46:31,684 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 09:46:31,684 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 09:46:31,684 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 09:46:31,685 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 09:46:31,685 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 09:46:31,685 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d9047476-fdf1-4492-8998-3598ff85d04b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 09:46:31,696 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 09:46:31,696 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 09:46:31,696 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 09:46:31,696 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 09:46:31,697 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 09:46:31,697 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 09:46:31,697 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 09:46:31,697 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 09:46:31,697 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 09:46:31,698 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 09:46:31,698 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 09:46:31,698 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 09:46:31,698 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 09:46:31,698 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 09:46:31,698 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 09:46:31,698 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 09:46:31,698 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 09:46:31,698 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 09:46:31,699 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 09:46:31,699 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 09:46:31,699 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 09:46:31,699 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 09:46:31,699 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 09:46:31,699 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 09:46:31,699 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 09:46:31,699 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 09:46:31,700 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 09:46:31,700 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 09:46:31,700 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 09:46:31,700 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 09:46:31,700 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_d9047476-fdf1-4492-8998-3598ff85d04b/bin-2019/uautomizer 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 -> 0d806ca1b262345211037ccd3e4a22cabffa047b [2018-12-08 09:46:31,722 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 09:46:31,730 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 09:46:31,732 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 09:46:31,733 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 09:46:31,733 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 09:46:31,734 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d9047476-fdf1-4492-8998-3598ff85d04b/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1092b_true-unreach-call.c [2018-12-08 09:46:31,771 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d9047476-fdf1-4492-8998-3598ff85d04b/bin-2019/uautomizer/data/bc27ba90b/d315b812aaed4bf5b216c33915769feb/FLAG6edca6d71 [2018-12-08 09:46:32,154 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 09:46:32,154 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d9047476-fdf1-4492-8998-3598ff85d04b/sv-benchmarks/c/float-newlib/double_req_bl_1092b_true-unreach-call.c [2018-12-08 09:46:32,158 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d9047476-fdf1-4492-8998-3598ff85d04b/bin-2019/uautomizer/data/bc27ba90b/d315b812aaed4bf5b216c33915769feb/FLAG6edca6d71 [2018-12-08 09:46:32,514 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d9047476-fdf1-4492-8998-3598ff85d04b/bin-2019/uautomizer/data/bc27ba90b/d315b812aaed4bf5b216c33915769feb [2018-12-08 09:46:32,516 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 09:46:32,517 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 09:46:32,518 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 09:46:32,518 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 09:46:32,520 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 09:46:32,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 09:46:32" (1/1) ... [2018-12-08 09:46:32,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5080051a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:46:32, skipping insertion in model container [2018-12-08 09:46:32,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 09:46:32" (1/1) ... [2018-12-08 09:46:32,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 09:46:32,547 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 09:46:32,647 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 09:46:32,649 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 09:46:32,668 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 09:46:32,680 INFO L195 MainTranslator]: Completed translation [2018-12-08 09:46:32,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:46:32 WrapperNode [2018-12-08 09:46:32,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 09:46:32,681 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 09:46:32,681 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 09:46:32,681 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 09:46:32,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:46:32" (1/1) ... [2018-12-08 09:46:32,723 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:46:32" (1/1) ... [2018-12-08 09:46:32,729 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 09:46:32,730 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 09:46:32,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 09:46:32,730 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 09:46:32,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:46:32" (1/1) ... [2018-12-08 09:46:32,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:46:32" (1/1) ... [2018-12-08 09:46:32,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:46:32" (1/1) ... [2018-12-08 09:46:32,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:46:32" (1/1) ... [2018-12-08 09:46:32,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:46:32" (1/1) ... [2018-12-08 09:46:32,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:46:32" (1/1) ... [2018-12-08 09:46:32,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:46:32" (1/1) ... [2018-12-08 09:46:32,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 09:46:32,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 09:46:32,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 09:46:32,755 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 09:46:32,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:46:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d9047476-fdf1-4492-8998-3598ff85d04b/bin-2019/uautomizer/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 [2018-12-08 09:46:32,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-08 09:46:32,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 09:46:32,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 09:46:32,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 09:46:32,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-08 09:46:32,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 09:46:32,786 INFO L130 BoogieDeclarations]: Found specification of procedure ceil_double [2018-12-08 09:46:32,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ceil_double [2018-12-08 09:46:32,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 09:46:32,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 09:46:32,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 09:46:32,787 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 09:46:32,787 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 09:46:32,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 09:46:32,954 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 09:46:32,955 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-08 09:46:32,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:46:32 BoogieIcfgContainer [2018-12-08 09:46:32,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 09:46:32,956 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 09:46:32,956 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 09:46:32,957 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 09:46:32,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 09:46:32" (1/3) ... [2018-12-08 09:46:32,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11f8a945 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 09:46:32, skipping insertion in model container [2018-12-08 09:46:32,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:46:32" (2/3) ... [2018-12-08 09:46:32,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11f8a945 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 09:46:32, skipping insertion in model container [2018-12-08 09:46:32,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:46:32" (3/3) ... [2018-12-08 09:46:32,959 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092b_true-unreach-call.c [2018-12-08 09:46:32,965 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 09:46:32,969 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 09:46:32,978 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 09:46:32,996 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 09:46:32,997 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 09:46:32,997 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 09:46:32,997 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 09:46:32,997 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 09:46:32,997 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 09:46:32,997 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 09:46:32,997 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 09:46:32,997 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 09:46:33,008 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-12-08 09:46:33,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 09:46:33,011 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:46:33,012 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:46:33,013 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:46:33,016 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:46:33,016 INFO L82 PathProgramCache]: Analyzing trace with hash 593324774, now seen corresponding path program 1 times [2018-12-08 09:46:33,017 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:46:33,018 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:46:33,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:46:33,045 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:46:33,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:46:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:46:33,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:46:33,092 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:46:33,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 09:46:33,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 09:46:33,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 09:46:33,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 09:46:33,103 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2018-12-08 09:46:33,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:46:33,115 INFO L93 Difference]: Finished difference Result 76 states and 114 transitions. [2018-12-08 09:46:33,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 09:46:33,116 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-12-08 09:46:33,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:46:33,122 INFO L225 Difference]: With dead ends: 76 [2018-12-08 09:46:33,122 INFO L226 Difference]: Without dead ends: 38 [2018-12-08 09:46:33,124 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 [2018-12-08 09:46:33,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-12-08 09:46:33,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-12-08 09:46:33,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-12-08 09:46:33,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2018-12-08 09:46:33,145 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 18 [2018-12-08 09:46:33,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:46:33,145 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2018-12-08 09:46:33,145 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 09:46:33,145 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2018-12-08 09:46:33,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 09:46:33,146 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:46:33,146 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:46:33,146 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:46:33,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:46:33,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1268028223, now seen corresponding path program 1 times [2018-12-08 09:46:33,146 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:46:33,146 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:46:33,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:46:33,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:46:33,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:46:33,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:46:33,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 09:46:33,193 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 09:46:33,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 09:46:33 BoogieIcfgContainer [2018-12-08 09:46:33,210 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 09:46:33,210 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 09:46:33,210 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 09:46:33,210 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 09:46:33,210 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:46:32" (3/4) ... [2018-12-08 09:46:33,213 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 09:46:33,213 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 09:46:33,213 INFO L168 Benchmark]: Toolchain (without parser) took 697.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 961.4 MB in the beginning and 1.1 GB in the end (delta: -93.9 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-12-08 09:46:33,214 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 09:46:33,214 INFO L168 Benchmark]: CACSL2BoogieTranslator took 162.80 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 09:46:33,215 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -171.7 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2018-12-08 09:46:33,215 INFO L168 Benchmark]: Boogie Preprocessor took 25.08 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-08 09:46:33,215 INFO L168 Benchmark]: RCFGBuilder took 200.33 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: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2018-12-08 09:46:33,216 INFO L168 Benchmark]: TraceAbstraction took 254.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. [2018-12-08 09:46:33,216 INFO L168 Benchmark]: Witness Printer took 2.83 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. [2018-12-08 09:46:33,218 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 162.80 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -171.7 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.08 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 200.33 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: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 254.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 96]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of shiftRight at line 41, overapproximation of bitwiseOr at line 42, overapproximation of bitwiseAnd at line 28, overapproximation of someBinaryDOUBLEComparisonOperation at line 95. Possible FailurePath: [L17] static const double huge_ceil = 1.0e300; VAL [\old(huge_ceil)=6442450948, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L91] double x = 0.0; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0] [L92] CALL, EXPR ceil_double(x) VAL [\old(x)=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L20] __int32_t i0, i1, j0; [L21] __uint32_t i, j; VAL [\old(x)=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0] [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (i0) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (i1) = ew_u.parts.lsw [L28] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-2147483648, i1=2, x=0] [L29] COND TRUE j0 < 20 VAL [\old(x)=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-2147483648, i1=2, j0=0, x=0] [L30] COND FALSE !(j0 < 0) [L41] i = (0x000fffff) >> j0 VAL [\old(x)=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-2147483648, i1=2, j0=0, x=0] [L42] COND TRUE ((i0 & i) | i1) == 0 [L43] return x; VAL [\old(x)=0, \result=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-2147483648, i1=2, j0=0, x=0] [L92] RET, EXPR ceil_double(x) VAL [ceil_double(x)=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0] [L92] double res = ceil_double(x); [L95] COND TRUE res != x VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=0, x=0] [L96] __VERIFIER_error() VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=0, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 42 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 56 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=42occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 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 0.1.23-635dfa2 [2018-12-08 09:46:34,504 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 09:46:34,505 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 09:46:34,513 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 09:46:34,513 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 09:46:34,513 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 09:46:34,514 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 09:46:34,515 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 09:46:34,516 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 09:46:34,517 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 09:46:34,517 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 09:46:34,518 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 09:46:34,518 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 09:46:34,519 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 09:46:34,520 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 09:46:34,520 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 09:46:34,521 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 09:46:34,522 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 09:46:34,523 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 09:46:34,524 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 09:46:34,525 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 09:46:34,526 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 09:46:34,527 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 09:46:34,527 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 09:46:34,527 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 09:46:34,528 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 09:46:34,529 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 09:46:34,529 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 09:46:34,530 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 09:46:34,530 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 09:46:34,531 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 09:46:34,531 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 09:46:34,531 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 09:46:34,531 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 09:46:34,532 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 09:46:34,532 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 09:46:34,532 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d9047476-fdf1-4492-8998-3598ff85d04b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-08 09:46:34,542 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 09:46:34,542 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 09:46:34,543 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 09:46:34,543 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 09:46:34,543 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 09:46:34,543 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 09:46:34,543 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 09:46:34,544 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 09:46:34,544 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 09:46:34,544 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 09:46:34,544 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 09:46:34,544 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 09:46:34,544 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 09:46:34,544 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 09:46:34,544 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 09:46:34,544 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 09:46:34,544 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 09:46:34,545 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 09:46:34,545 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 09:46:34,545 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 09:46:34,545 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 09:46:34,545 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 09:46:34,545 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 09:46:34,545 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 09:46:34,545 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 09:46:34,546 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 09:46:34,546 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 09:46:34,546 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 09:46:34,546 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-08 09:46:34,546 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 09:46:34,546 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 09:46:34,546 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 09:46:34,546 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_d9047476-fdf1-4492-8998-3598ff85d04b/bin-2019/uautomizer 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 -> 0d806ca1b262345211037ccd3e4a22cabffa047b [2018-12-08 09:46:34,569 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 09:46:34,576 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 09:46:34,578 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 09:46:34,579 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 09:46:34,579 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 09:46:34,579 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d9047476-fdf1-4492-8998-3598ff85d04b/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1092b_true-unreach-call.c [2018-12-08 09:46:34,613 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d9047476-fdf1-4492-8998-3598ff85d04b/bin-2019/uautomizer/data/5c6893deb/3533b57f72bf40418d97c656bc3c0809/FLAGa907b99fd [2018-12-08 09:46:34,935 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 09:46:34,936 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d9047476-fdf1-4492-8998-3598ff85d04b/sv-benchmarks/c/float-newlib/double_req_bl_1092b_true-unreach-call.c [2018-12-08 09:46:34,939 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d9047476-fdf1-4492-8998-3598ff85d04b/bin-2019/uautomizer/data/5c6893deb/3533b57f72bf40418d97c656bc3c0809/FLAGa907b99fd [2018-12-08 09:46:35,350 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d9047476-fdf1-4492-8998-3598ff85d04b/bin-2019/uautomizer/data/5c6893deb/3533b57f72bf40418d97c656bc3c0809 [2018-12-08 09:46:35,353 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 09:46:35,354 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 09:46:35,355 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 09:46:35,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 09:46:35,357 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 09:46:35,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 09:46:35" (1/1) ... [2018-12-08 09:46:35,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fcccbd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:46:35, skipping insertion in model container [2018-12-08 09:46:35,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 09:46:35" (1/1) ... [2018-12-08 09:46:35,364 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 09:46:35,376 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 09:46:35,471 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 09:46:35,474 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 09:46:35,494 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 09:46:35,510 INFO L195 MainTranslator]: Completed translation [2018-12-08 09:46:35,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:46:35 WrapperNode [2018-12-08 09:46:35,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 09:46:35,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 09:46:35,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 09:46:35,511 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 09:46:35,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:46:35" (1/1) ... [2018-12-08 09:46:35,523 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:46:35" (1/1) ... [2018-12-08 09:46:35,527 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 09:46:35,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 09:46:35,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 09:46:35,527 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 09:46:35,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:46:35" (1/1) ... [2018-12-08 09:46:35,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:46:35" (1/1) ... [2018-12-08 09:46:35,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:46:35" (1/1) ... [2018-12-08 09:46:35,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:46:35" (1/1) ... [2018-12-08 09:46:35,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:46:35" (1/1) ... [2018-12-08 09:46:35,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:46:35" (1/1) ... [2018-12-08 09:46:35,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:46:35" (1/1) ... [2018-12-08 09:46:35,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 09:46:35,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 09:46:35,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 09:46:35,582 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 09:46:35,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:46:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d9047476-fdf1-4492-8998-3598ff85d04b/bin-2019/uautomizer/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 [2018-12-08 09:46:35,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-08 09:46:35,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 09:46:35,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 09:46:35,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 09:46:35,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 09:46:35,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-08 09:46:35,614 INFO L130 BoogieDeclarations]: Found specification of procedure ceil_double [2018-12-08 09:46:35,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ceil_double [2018-12-08 09:46:35,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 09:46:35,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 09:46:35,614 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 09:46:35,614 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 09:46:35,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-08 09:46:35,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 09:46:35,787 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 09:46:36,370 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 09:46:36,371 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-08 09:46:36,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:46:36 BoogieIcfgContainer [2018-12-08 09:46:36,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 09:46:36,372 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 09:46:36,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 09:46:36,373 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 09:46:36,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 09:46:35" (1/3) ... [2018-12-08 09:46:36,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f15d314 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 09:46:36, skipping insertion in model container [2018-12-08 09:46:36,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:46:35" (2/3) ... [2018-12-08 09:46:36,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f15d314 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 09:46:36, skipping insertion in model container [2018-12-08 09:46:36,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:46:36" (3/3) ... [2018-12-08 09:46:36,375 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092b_true-unreach-call.c [2018-12-08 09:46:36,381 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 09:46:36,385 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 09:46:36,395 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 09:46:36,413 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 09:46:36,414 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 09:46:36,414 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 09:46:36,414 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 09:46:36,414 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 09:46:36,414 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 09:46:36,414 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 09:46:36,414 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 09:46:36,414 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 09:46:36,423 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-12-08 09:46:36,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 09:46:36,427 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:46:36,427 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:46:36,428 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:46:36,431 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:46:36,431 INFO L82 PathProgramCache]: Analyzing trace with hash 593324774, now seen corresponding path program 1 times [2018-12-08 09:46:36,434 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 09:46:36,434 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d9047476-fdf1-4492-8998-3598ff85d04b/bin-2019/uautomizer/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 [2018-12-08 09:46:36,438 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:46:36,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:46:36,481 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 09:46:36,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:46:36,496 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 09:46:36,504 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:46:36,504 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 09:46:36,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 09:46:36,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 09:46:36,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 09:46:36,514 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2018-12-08 09:46:36,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:46:36,526 INFO L93 Difference]: Finished difference Result 76 states and 114 transitions. [2018-12-08 09:46:36,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 09:46:36,527 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-12-08 09:46:36,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:46:36,533 INFO L225 Difference]: With dead ends: 76 [2018-12-08 09:46:36,533 INFO L226 Difference]: Without dead ends: 38 [2018-12-08 09:46:36,535 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 09:46:36,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-12-08 09:46:36,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-12-08 09:46:36,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-12-08 09:46:36,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2018-12-08 09:46:36,557 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 18 [2018-12-08 09:46:36,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:46:36,557 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2018-12-08 09:46:36,557 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 09:46:36,558 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2018-12-08 09:46:36,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 09:46:36,558 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:46:36,558 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:46:36,558 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:46:36,558 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:46:36,558 INFO L82 PathProgramCache]: Analyzing trace with hash -1268028223, now seen corresponding path program 1 times [2018-12-08 09:46:36,559 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 09:46:36,559 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d9047476-fdf1-4492-8998-3598ff85d04b/bin-2019/uautomizer/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 [2018-12-08 09:46:36,562 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:46:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:46:36,601 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 09:46:36,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:46:36,727 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 09:46:36,734 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:46:36,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 09:46:36,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 09:46:36,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 09:46:36,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 09:46:36,736 INFO L87 Difference]: Start difference. First operand 38 states and 52 transitions. Second operand 7 states. [2018-12-08 09:46:39,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:46:39,070 INFO L93 Difference]: Finished difference Result 62 states and 75 transitions. [2018-12-08 09:46:39,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-08 09:46:39,071 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-12-08 09:46:39,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:46:39,072 INFO L225 Difference]: With dead ends: 62 [2018-12-08 09:46:39,072 INFO L226 Difference]: Without dead ends: 30 [2018-12-08 09:46:39,073 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2018-12-08 09:46:39,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-12-08 09:46:39,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 25. [2018-12-08 09:46:39,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-12-08 09:46:39,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2018-12-08 09:46:39,076 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 19 [2018-12-08 09:46:39,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:46:39,076 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2018-12-08 09:46:39,076 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 09:46:39,076 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2018-12-08 09:46:39,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 09:46:39,077 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:46:39,077 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:46:39,077 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:46:39,077 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:46:39,078 INFO L82 PathProgramCache]: Analyzing trace with hash -1067163641, now seen corresponding path program 1 times [2018-12-08 09:46:39,078 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 09:46:39,078 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d9047476-fdf1-4492-8998-3598ff85d04b/bin-2019/uautomizer/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 [2018-12-08 09:46:39,081 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:46:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:46:39,173 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 09:46:40,957 WARN L180 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-12-08 09:46:40,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:46:40,962 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 09:46:40,973 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:46:40,973 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 09:46:40,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 09:46:40,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 09:46:40,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 09:46:40,974 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand 6 states. [2018-12-08 09:46:43,371 WARN L180 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 13 [2018-12-08 09:46:43,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:46:43,920 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2018-12-08 09:46:43,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 09:46:43,927 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-12-08 09:46:43,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:46:43,927 INFO L225 Difference]: With dead ends: 34 [2018-12-08 09:46:43,927 INFO L226 Difference]: Without dead ends: 25 [2018-12-08 09:46:43,928 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-08 09:46:43,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-12-08 09:46:43,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-12-08 09:46:43,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-12-08 09:46:43,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2018-12-08 09:46:43,930 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 22 [2018-12-08 09:46:43,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:46:43,930 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2018-12-08 09:46:43,930 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 09:46:43,930 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-12-08 09:46:43,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 09:46:43,931 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:46:43,931 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:46:43,931 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:46:43,931 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:46:43,931 INFO L82 PathProgramCache]: Analyzing trace with hash -232086029, now seen corresponding path program 1 times [2018-12-08 09:46:43,931 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 09:46:43,932 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d9047476-fdf1-4492-8998-3598ff85d04b/bin-2019/uautomizer/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 [2018-12-08 09:46:43,934 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:46:44,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:46:44,025 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 09:46:44,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:46:44,081 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 09:46:44,089 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:46:44,089 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 09:46:44,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 09:46:44,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 09:46:44,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 09:46:44,090 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand 6 states. [2018-12-08 09:46:44,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:46:44,460 INFO L93 Difference]: Finished difference Result 39 states and 39 transitions. [2018-12-08 09:46:44,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 09:46:44,461 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-12-08 09:46:44,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:46:44,462 INFO L225 Difference]: With dead ends: 39 [2018-12-08 09:46:44,462 INFO L226 Difference]: Without dead ends: 30 [2018-12-08 09:46:44,462 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-12-08 09:46:44,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-12-08 09:46:44,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 25. [2018-12-08 09:46:44,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-12-08 09:46:44,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2018-12-08 09:46:44,464 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 23 [2018-12-08 09:46:44,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:46:44,465 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2018-12-08 09:46:44,465 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 09:46:44,465 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2018-12-08 09:46:44,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 09:46:44,465 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:46:44,465 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:46:44,465 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:46:44,465 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:46:44,466 INFO L82 PathProgramCache]: Analyzing trace with hash 785443165, now seen corresponding path program 1 times [2018-12-08 09:46:44,466 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 09:46:44,466 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d9047476-fdf1-4492-8998-3598ff85d04b/bin-2019/uautomizer/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 [2018-12-08 09:46:44,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:46:44,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:46:44,572 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 09:46:44,597 INFO L683 Elim1Store]: detected equality via solver [2018-12-08 09:46:44,598 INFO L683 Elim1Store]: detected equality via solver [2018-12-08 09:46:44,599 INFO L683 Elim1Store]: detected equality via solver [2018-12-08 09:46:44,599 INFO L683 Elim1Store]: detected equality via solver [2018-12-08 09:46:44,603 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 85 [2018-12-08 09:46:44,677 INFO L683 Elim1Store]: detected equality via solver [2018-12-08 09:46:44,697 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 63 [2018-12-08 09:46:44,709 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 16 treesize of output 17 [2018-12-08 09:46:44,710 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-08 09:46:44,736 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 09:46:44,760 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 25 treesize of output 19 [2018-12-08 09:46:44,769 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 19 treesize of output 5 [2018-12-08 09:46:44,769 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-12-08 09:46:44,774 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 09:46:44,791 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 32 treesize of output 24 [2018-12-08 09:46:44,797 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 24 treesize of output 10 [2018-12-08 09:46:44,797 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-12-08 09:46:44,803 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 09:46:44,811 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-08 09:46:44,826 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-12-08 09:46:44,827 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:71, output treesize:28 [2018-12-08 09:46:44,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:46:44,889 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 09:46:44,897 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:46:44,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 09:46:44,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 09:46:44,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 09:46:44,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 09:46:44,898 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand 6 states. [2018-12-08 09:46:45,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:46:45,466 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2018-12-08 09:46:45,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 09:46:45,467 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-12-08 09:46:45,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:46:45,468 INFO L225 Difference]: With dead ends: 34 [2018-12-08 09:46:45,468 INFO L226 Difference]: Without dead ends: 25 [2018-12-08 09:46:45,468 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-12-08 09:46:45,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-12-08 09:46:45,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-12-08 09:46:45,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-12-08 09:46:45,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2018-12-08 09:46:45,471 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 24 [2018-12-08 09:46:45,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:46:45,471 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2018-12-08 09:46:45,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 09:46:45,471 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2018-12-08 09:46:45,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 09:46:45,471 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:46:45,472 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:46:45,472 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:46:45,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:46:45,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1465501535, now seen corresponding path program 1 times [2018-12-08 09:46:45,472 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 09:46:45,472 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d9047476-fdf1-4492-8998-3598ff85d04b/bin-2019/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-12-08 09:46:45,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:46:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:46:45,574 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 09:46:45,639 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 48 treesize of output 42 [2018-12-08 09:46:45,643 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 42 treesize of output 37 [2018-12-08 09:46:45,653 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 18 [2018-12-08 09:46:45,654 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-08 09:46:45,658 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 09:46:45,663 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 09:46:45,676 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-12-08 09:46:45,677 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:64, output treesize:34 [2018-12-08 09:46:45,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:46:45,871 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 09:46:45,880 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:46:45,880 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-08 09:46:45,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 09:46:45,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 09:46:45,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-12-08 09:46:45,881 INFO L87 Difference]: Start difference. First operand 25 states and 24 transitions. Second operand 10 states. [2018-12-08 09:46:46,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:46:46,539 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2018-12-08 09:46:46,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 09:46:46,540 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 24 [2018-12-08 09:46:46,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:46:46,540 INFO L225 Difference]: With dead ends: 25 [2018-12-08 09:46:46,540 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 09:46:46,540 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2018-12-08 09:46:46,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 09:46:46,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 09:46:46,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 09:46:46,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 09:46:46,541 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2018-12-08 09:46:46,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:46:46,541 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 09:46:46,541 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 09:46:46,541 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 09:46:46,541 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 09:46:46,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 09:46:46,639 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 09:46:46,639 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-08 09:46:46,639 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 09:46:46,639 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 39) no Hoare annotation was computed. [2018-12-08 09:46:46,639 INFO L448 ceAbstractionStarter]: For program point L60(lines 60 72) no Hoare annotation was computed. [2018-12-08 09:46:46,640 INFO L448 ceAbstractionStarter]: For program point L52(lines 52 55) no Hoare annotation was computed. [2018-12-08 09:46:46,640 INFO L448 ceAbstractionStarter]: For program point L44(lines 44 49) no Hoare annotation was computed. [2018-12-08 09:46:46,640 INFO L448 ceAbstractionStarter]: For program point L32(lines 32 38) no Hoare annotation was computed. [2018-12-08 09:46:46,640 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2018-12-08 09:46:46,640 INFO L448 ceAbstractionStarter]: For program point L61-1(lines 61 70) no Hoare annotation was computed. [2018-12-08 09:46:46,640 INFO L448 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2018-12-08 09:46:46,640 INFO L448 ceAbstractionStarter]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2018-12-08 09:46:46,640 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 79) no Hoare annotation was computed. [2018-12-08 09:46:46,640 INFO L448 ceAbstractionStarter]: For program point L74-1(lines 19 81) no Hoare annotation was computed. [2018-12-08 09:46:46,640 INFO L448 ceAbstractionStarter]: For program point L74-2(lines 74 79) no Hoare annotation was computed. [2018-12-08 09:46:46,641 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 67) no Hoare annotation was computed. [2018-12-08 09:46:46,641 INFO L448 ceAbstractionStarter]: For program point L66-2(lines 66 67) no Hoare annotation was computed. [2018-12-08 09:46:46,641 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 69) no Hoare annotation was computed. [2018-12-08 09:46:46,641 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 73) no Hoare annotation was computed. [2018-12-08 09:46:46,641 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 59) no Hoare annotation was computed. [2018-12-08 09:46:46,641 INFO L451 ceAbstractionStarter]: At program point ceil_doubleENTRY(lines 19 81) the Hoare annotation is: true [2018-12-08 09:46:46,641 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-12-08 09:46:46,641 INFO L448 ceAbstractionStarter]: For program point ceil_doubleFINAL(lines 19 81) no Hoare annotation was computed. [2018-12-08 09:46:46,641 INFO L448 ceAbstractionStarter]: For program point ceil_doubleEXIT(lines 19 81) no Hoare annotation was computed. [2018-12-08 09:46:46,641 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 50) no Hoare annotation was computed. [2018-12-08 09:46:46,642 INFO L448 ceAbstractionStarter]: For program point L22-1(lines 22 27) no Hoare annotation was computed. [2018-12-08 09:46:46,642 INFO L444 ceAbstractionStarter]: At program point L22-2(lines 22 27) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_ceil~0)) (= |ceil_double_#in~x| ceil_double_~x)) [2018-12-08 09:46:46,642 INFO L448 ceAbstractionStarter]: For program point L22-3(lines 22 27) no Hoare annotation was computed. [2018-12-08 09:46:46,642 INFO L448 ceAbstractionStarter]: For program point L51(lines 51 73) no Hoare annotation was computed. [2018-12-08 09:46:46,642 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 38) no Hoare annotation was computed. [2018-12-08 09:46:46,642 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 09:46:46,642 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_ceil~0) [2018-12-08 09:46:46,643 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 09:46:46,643 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 09:46:46,643 INFO L448 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2018-12-08 09:46:46,643 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 98) no Hoare annotation was computed. [2018-12-08 09:46:46,643 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 83 100) the Hoare annotation is: true [2018-12-08 09:46:46,643 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 83 100) no Hoare annotation was computed. [2018-12-08 09:46:46,643 INFO L444 ceAbstractionStarter]: At program point L92(line 92) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_ceil~0)) (= (_ +zero 11 53) main_~x~0)) [2018-12-08 09:46:46,643 INFO L448 ceAbstractionStarter]: For program point L92-1(line 92) no Hoare annotation was computed. [2018-12-08 09:46:46,644 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 83 100) no Hoare annotation was computed. [2018-12-08 09:46:46,644 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 96) no Hoare annotation was computed. [2018-12-08 09:46:46,650 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 09:46:46,654 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 09:46:46,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 09:46:46 BoogieIcfgContainer [2018-12-08 09:46:46,656 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 09:46:46,656 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 09:46:46,656 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 09:46:46,656 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 09:46:46,657 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:46:36" (3/4) ... [2018-12-08 09:46:46,659 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 09:46:46,665 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 09:46:46,665 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ceil_double [2018-12-08 09:46:46,665 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 09:46:46,669 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-08 09:46:46,669 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-08 09:46:46,670 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 09:46:46,686 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E300) == huge_ceil) || \old(x) == x [2018-12-08 09:46:46,700 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d9047476-fdf1-4492-8998-3598ff85d04b/bin-2019/uautomizer/witness.graphml [2018-12-08 09:46:46,700 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 09:46:46,701 INFO L168 Benchmark]: Toolchain (without parser) took 11347.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 943.4 MB in the beginning and 849.4 MB in the end (delta: 93.9 MB). Peak memory consumption was 233.4 MB. Max. memory is 11.5 GB. [2018-12-08 09:46:46,701 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 09:46:46,701 INFO L168 Benchmark]: CACSL2BoogieTranslator took 156.16 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-08 09:46:46,702 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.12 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 09:46:46,702 INFO L168 Benchmark]: Boogie Preprocessor took 54.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -207.5 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-12-08 09:46:46,702 INFO L168 Benchmark]: RCFGBuilder took 789.55 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: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2018-12-08 09:46:46,702 INFO L168 Benchmark]: TraceAbstraction took 10283.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 849.4 MB in the end (delta: 259.6 MB). Peak memory consumption was 259.6 MB. Max. memory is 11.5 GB. [2018-12-08 09:46:46,703 INFO L168 Benchmark]: Witness Printer took 44.43 ms. Allocated memory is still 1.2 GB. Free memory is still 849.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 09:46:46,704 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 156.16 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 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 16.12 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -207.5 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 789.55 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: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10283.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 849.4 MB in the end (delta: 259.6 MB). Peak memory consumption was 259.6 MB. Max. memory is 11.5 GB. * Witness Printer took 44.43 ms. Allocated memory is still 1.2 GB. Free memory is still 849.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 96]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant [2018-12-08 09:46:46,706 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 09:46:46,707 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E300) == huge_ceil) || \old(x) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 42 locations, 1 error locations. SAFE Result, 10.2s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 6.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 153 SDtfs, 204 SDslu, 279 SDs, 0 SdLazy, 279 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 141 GetRequests, 98 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred 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, 6 MinimizatonAttempts, 10 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 8 NumberOfFragments, 29 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 34 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 124 ConstructedInterpolants, 44 QuantifiedInterpolants, 26860 SizeOfPredicates, 17 NumberOfNonLiveVariables, 378 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...