./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/nan_float_range_true-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2d51312b-42ab-4aa8-bccf-e27f5f3e06cc/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2d51312b-42ab-4aa8-bccf-e27f5f3e06cc/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2d51312b-42ab-4aa8-bccf-e27f5f3e06cc/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2d51312b-42ab-4aa8-bccf-e27f5f3e06cc/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_float_range_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2d51312b-42ab-4aa8-bccf-e27f5f3e06cc/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2d51312b-42ab-4aa8-bccf-e27f5f3e06cc/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 64c6d061d6a52be18c2dbf1f223acaf24ab6149e ...................................................................................................................................................................................................................................................................................................................................................................................................... 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_2d51312b-42ab-4aa8-bccf-e27f5f3e06cc/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2d51312b-42ab-4aa8-bccf-e27f5f3e06cc/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2d51312b-42ab-4aa8-bccf-e27f5f3e06cc/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2d51312b-42ab-4aa8-bccf-e27f5f3e06cc/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_float_range_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2d51312b-42ab-4aa8-bccf-e27f5f3e06cc/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2d51312b-42ab-4aa8-bccf-e27f5f3e06cc/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 64c6d061d6a52be18c2dbf1f223acaf24ab6149e ........................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 02:16:53,152 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 02:16:53,153 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 02:16:53,159 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 02:16:53,160 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 02:16:53,160 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 02:16:53,161 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 02:16:53,162 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 02:16:53,163 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 02:16:53,164 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 02:16:53,164 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 02:16:53,165 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 02:16:53,165 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 02:16:53,166 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 02:16:53,167 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 02:16:53,167 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 02:16:53,168 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 02:16:53,170 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 02:16:53,171 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 02:16:53,172 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 02:16:53,173 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 02:16:53,174 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 02:16:53,176 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 02:16:53,176 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 02:16:53,176 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 02:16:53,177 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 02:16:53,178 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 02:16:53,178 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 02:16:53,179 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 02:16:53,180 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 02:16:53,180 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 02:16:53,180 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 02:16:53,180 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 02:16:53,181 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 02:16:53,182 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 02:16:53,182 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 02:16:53,183 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2d51312b-42ab-4aa8-bccf-e27f5f3e06cc/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 02:16:53,193 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 02:16:53,193 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 02:16:53,193 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 02:16:53,194 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 02:16:53,194 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 02:16:53,194 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 02:16:53,194 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 02:16:53,195 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 02:16:53,195 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 02:16:53,195 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 02:16:53,195 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 02:16:53,195 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 02:16:53,195 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 02:16:53,195 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 02:16:53,196 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 02:16:53,196 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 02:16:53,196 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 02:16:53,196 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 02:16:53,196 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 02:16:53,196 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 02:16:53,196 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 02:16:53,197 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 02:16:53,197 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 02:16:53,197 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:16:53,197 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 02:16:53,197 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 02:16:53,197 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 02:16:53,197 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 02:16:53,198 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 02:16:53,198 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 02:16:53,198 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_2d51312b-42ab-4aa8-bccf-e27f5f3e06cc/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 -> 64c6d061d6a52be18c2dbf1f223acaf24ab6149e [2018-11-23 02:16:53,220 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 02:16:53,228 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 02:16:53,230 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 02:16:53,231 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 02:16:53,231 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 02:16:53,232 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2d51312b-42ab-4aa8-bccf-e27f5f3e06cc/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/nan_float_range_true-unreach-call_true-termination.c [2018-11-23 02:16:53,267 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2d51312b-42ab-4aa8-bccf-e27f5f3e06cc/bin-2019/uautomizer/data/e72ea3e2d/21909c6bccf5482dbf00ce470fad2883/FLAGe290af0b6 [2018-11-23 02:16:53,653 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 02:16:53,654 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2d51312b-42ab-4aa8-bccf-e27f5f3e06cc/sv-benchmarks/c/float-benchs/nan_float_range_true-unreach-call_true-termination.c [2018-11-23 02:16:53,658 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2d51312b-42ab-4aa8-bccf-e27f5f3e06cc/bin-2019/uautomizer/data/e72ea3e2d/21909c6bccf5482dbf00ce470fad2883/FLAGe290af0b6 [2018-11-23 02:16:53,668 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2d51312b-42ab-4aa8-bccf-e27f5f3e06cc/bin-2019/uautomizer/data/e72ea3e2d/21909c6bccf5482dbf00ce470fad2883 [2018-11-23 02:16:53,670 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 02:16:53,671 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 02:16:53,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 02:16:53,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 02:16:53,673 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 02:16:53,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:16:53" (1/1) ... [2018-11-23 02:16:53,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@732c982d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:53, skipping insertion in model container [2018-11-23 02:16:53,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:16:53" (1/1) ... [2018-11-23 02:16:53,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 02:16:53,692 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 02:16:53,790 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:16:53,792 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 02:16:53,800 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:16:53,809 INFO L195 MainTranslator]: Completed translation [2018-11-23 02:16:53,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:53 WrapperNode [2018-11-23 02:16:53,810 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 02:16:53,810 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 02:16:53,810 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 02:16:53,810 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 02:16:53,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:53" (1/1) ... [2018-11-23 02:16:53,822 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:53" (1/1) ... [2018-11-23 02:16:53,827 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 02:16:53,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 02:16:53,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 02:16:53,828 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 02:16:53,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:53" (1/1) ... [2018-11-23 02:16:53,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:53" (1/1) ... [2018-11-23 02:16:53,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:53" (1/1) ... [2018-11-23 02:16:53,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:53" (1/1) ... [2018-11-23 02:16:53,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:53" (1/1) ... [2018-11-23 02:16:53,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:53" (1/1) ... [2018-11-23 02:16:53,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:53" (1/1) ... [2018-11-23 02:16:53,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 02:16:53,843 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 02:16:53,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 02:16:53,844 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 02:16:53,844 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2d51312b-42ab-4aa8-bccf-e27f5f3e06cc/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 [2018-11-23 02:16:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 02:16:53,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 02:16:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 02:16:53,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 02:16:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 02:16:53,925 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 02:16:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 02:16:53,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 02:16:54,040 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 02:16:54,040 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 02:16:54,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:16:54 BoogieIcfgContainer [2018-11-23 02:16:54,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 02:16:54,041 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 02:16:54,041 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 02:16:54,044 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 02:16:54,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:16:53" (1/3) ... [2018-11-23 02:16:54,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32ee3c62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:16:54, skipping insertion in model container [2018-11-23 02:16:54,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:53" (2/3) ... [2018-11-23 02:16:54,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32ee3c62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:16:54, skipping insertion in model container [2018-11-23 02:16:54,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:16:54" (3/3) ... [2018-11-23 02:16:54,047 INFO L112 eAbstractionObserver]: Analyzing ICFG nan_float_range_true-unreach-call_true-termination.c [2018-11-23 02:16:54,055 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 02:16:54,062 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 02:16:54,076 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 02:16:54,102 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 02:16:54,103 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 02:16:54,103 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 02:16:54,103 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 02:16:54,103 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 02:16:54,103 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 02:16:54,103 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 02:16:54,104 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 02:16:54,104 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 02:16:54,119 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-11-23 02:16:54,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 02:16:54,124 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:16:54,124 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:16:54,126 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:16:54,131 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:16:54,131 INFO L82 PathProgramCache]: Analyzing trace with hash -1736771137, now seen corresponding path program 1 times [2018-11-23 02:16:54,133 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:16:54,133 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:16:54,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:16:54,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:16:54,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:16:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 02:16:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 02:16:54,221 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); [?] assume true; [?] RET #26#return; [?] CALL call #t~ret1 := main(); [?] havoc ~x~0;~x~0 := #t~nondet0;havoc #t~nondet0; VAL [main_~x~0=2.0] [?] assume ~someBinaryDOUBLEComparisonOperation(~x~0, ~someUnaryDOUBLEoperation(1.0E10)) && ~someBinaryDOUBLEComparisonOperation(~x~0, 1.0E10); VAL [main_~x~0=2.0] [?] CALL call __VERIFIER_assert((if ~someBinaryFLOATComparisonOperation(~x~0, ~x~0) then 1 else 0)); VAL [|__VERIFIER_assert_#in~cond|=0] [?] ~cond := #in~cond; VAL [__VERIFIER_assert_~cond=0, |__VERIFIER_assert_#in~cond|=0] [?] assume 0 == ~cond; VAL [__VERIFIER_assert_~cond=0, |__VERIFIER_assert_#in~cond|=0] [?] assume !false; VAL [__VERIFIER_assert_~cond=0, |__VERIFIER_assert_#in~cond|=0] [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L10] havoc ~x~0; [L11] ~x~0 := #t~nondet0; [L11] havoc #t~nondet0; VAL [~x~0=2.0] [L13-L15] assume ~someBinaryDOUBLEComparisonOperation(~x~0, ~someUnaryDOUBLEoperation(1.0E10)) && ~someBinaryDOUBLEComparisonOperation(~x~0, 1.0E10); VAL [~x~0=2.0] [L14] CALL call __VERIFIER_assert((if ~someBinaryFLOATComparisonOperation(~x~0, ~x~0) then 1 else 0)); VAL [#in~cond=0] [L6] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L6] assume 0 == ~cond; VAL [#in~cond=0, ~cond=0] [L6] assert false; VAL [#in~cond=0, ~cond=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L10] havoc ~x~0; [L11] ~x~0 := #t~nondet0; [L11] havoc #t~nondet0; VAL [~x~0=2.0] [L13-L15] assume ~someBinaryDOUBLEComparisonOperation(~x~0, ~someUnaryDOUBLEoperation(1.0E10)) && ~someBinaryDOUBLEComparisonOperation(~x~0, 1.0E10); VAL [~x~0=2.0] [L14] CALL call __VERIFIER_assert((if ~someBinaryFLOATComparisonOperation(~x~0, ~x~0) then 1 else 0)); VAL [#in~cond=0] [L6] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L6] assume 0 == ~cond; VAL [#in~cond=0, ~cond=0] [L6] assert false; VAL [#in~cond=0, ~cond=0] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L10] havoc ~x~0; [L11] ~x~0 := #t~nondet0; [L11] havoc #t~nondet0; VAL [~x~0=2.0] [L13] COND TRUE ~someBinaryDOUBLEComparisonOperation(~x~0, ~someUnaryDOUBLEoperation(1.0E10)) && ~someBinaryDOUBLEComparisonOperation(~x~0, 1.0E10) VAL [~x~0=2.0] [L14] CALL call __VERIFIER_assert((if ~someBinaryFLOATComparisonOperation(~x~0, ~x~0) then 1 else 0)); VAL [#in~cond=0] [L6] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L6] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0] [L6] assert false; VAL [#in~cond=0, ~cond=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L10] havoc ~x~0; [L11] ~x~0 := #t~nondet0; [L11] havoc #t~nondet0; VAL [~x~0=2.0] [L13] COND TRUE ~someBinaryDOUBLEComparisonOperation(~x~0, ~someUnaryDOUBLEoperation(1.0E10)) && ~someBinaryDOUBLEComparisonOperation(~x~0, 1.0E10) VAL [~x~0=2.0] [L14] CALL call __VERIFIER_assert((if ~someBinaryFLOATComparisonOperation(~x~0, ~x~0) then 1 else 0)); VAL [#in~cond=0] [L6] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L6] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0] [L6] assert false; VAL [#in~cond=0, ~cond=0] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L10] havoc ~x~0; [L11] ~x~0 := #t~nondet0; [L11] havoc #t~nondet0; VAL [~x~0=2.0] [L13] COND TRUE ~someBinaryDOUBLEComparisonOperation(~x~0, ~someUnaryDOUBLEoperation(1.0E10)) && ~someBinaryDOUBLEComparisonOperation(~x~0, 1.0E10) VAL [~x~0=2.0] [L14] CALL call __VERIFIER_assert((if ~someBinaryFLOATComparisonOperation(~x~0, ~x~0) then 1 else 0)); VAL [#in~cond=0] [L6] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L6] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0] [L6] assert false; VAL [#in~cond=0, ~cond=0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L10] havoc ~x~0; [L11] ~x~0 := #t~nondet0; [L11] havoc #t~nondet0; VAL [~x~0=2.0] [L13] COND TRUE ~someBinaryDOUBLEComparisonOperation(~x~0, ~someUnaryDOUBLEoperation(1.0E10)) && ~someBinaryDOUBLEComparisonOperation(~x~0, 1.0E10) VAL [~x~0=2.0] [L14] CALL call __VERIFIER_assert((if ~someBinaryFLOATComparisonOperation(~x~0, ~x~0) then 1 else 0)); VAL [#in~cond=0] [L6] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L6] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0] [L6] assert false; VAL [#in~cond=0, ~cond=0] [L10] float x; [L11] x = __VERIFIER_nondet_float() [L13] COND TRUE x >= -1e10 && x <= 1e10 VAL [x=2] [L14] CALL __VERIFIER_assert(x==x) VAL [\old(cond)=0] [L6] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L6] __VERIFIER_error() VAL [\old(cond)=0, cond=0] ----- [2018-11-23 02:16:54,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:16:54 BoogieIcfgContainer [2018-11-23 02:16:54,246 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 02:16:54,247 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 02:16:54,247 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 02:16:54,247 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 02:16:54,248 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:16:54" (3/4) ... [2018-11-23 02:16:54,251 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 02:16:54,251 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 02:16:54,252 INFO L168 Benchmark]: Toolchain (without parser) took 581.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 953.8 MB in the beginning and 1.1 GB in the end (delta: -152.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:16:54,253 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:16:54,254 INFO L168 Benchmark]: CACSL2BoogieTranslator took 138.63 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 02:16:54,255 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.39 ms. Allocated memory is still 1.0 GB. Free memory is still 943.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:16:54,255 INFO L168 Benchmark]: Boogie Preprocessor took 15.50 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 02:16:54,256 INFO L168 Benchmark]: RCFGBuilder took 196.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -179.9 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-23 02:16:54,257 INFO L168 Benchmark]: TraceAbstraction took 205.61 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: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2018-11-23 02:16:54,257 INFO L168 Benchmark]: Witness Printer took 4.62 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-23 02:16:54,261 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 138.63 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 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 17.39 ms. Allocated memory is still 1.0 GB. Free memory is still 943.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.50 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 196.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -179.9 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 205.61 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: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.62 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 6]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 13. Possible FailurePath: [L10] float x; [L11] x = __VERIFIER_nondet_float() [L13] COND TRUE x >= -1e10 && x <= 1e10 VAL [x=2] [L14] CALL __VERIFIER_assert(x==x) VAL [\old(cond)=0] [L6] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L6] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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-aa41828 [2018-11-23 02:16:55,695 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 02:16:55,696 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 02:16:55,705 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 02:16:55,705 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 02:16:55,706 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 02:16:55,706 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 02:16:55,708 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 02:16:55,709 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 02:16:55,710 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 02:16:55,710 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 02:16:55,711 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 02:16:55,711 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 02:16:55,712 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 02:16:55,713 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 02:16:55,714 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 02:16:55,714 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 02:16:55,716 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 02:16:55,717 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 02:16:55,718 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 02:16:55,719 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 02:16:55,720 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 02:16:55,722 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 02:16:55,722 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 02:16:55,722 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 02:16:55,723 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 02:16:55,723 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 02:16:55,724 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 02:16:55,724 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 02:16:55,726 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 02:16:55,726 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 02:16:55,726 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 02:16:55,727 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 02:16:55,727 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 02:16:55,727 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 02:16:55,728 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 02:16:55,728 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2d51312b-42ab-4aa8-bccf-e27f5f3e06cc/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 02:16:55,739 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 02:16:55,739 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 02:16:55,740 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 02:16:55,740 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 02:16:55,741 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 02:16:55,741 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 02:16:55,741 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 02:16:55,741 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 02:16:55,742 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 02:16:55,742 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 02:16:55,742 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 02:16:55,742 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 02:16:55,742 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 02:16:55,742 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 02:16:55,743 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 02:16:55,743 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 02:16:55,743 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 02:16:55,743 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 02:16:55,743 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 02:16:55,743 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 02:16:55,743 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 02:16:55,743 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 02:16:55,744 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 02:16:55,744 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 02:16:55,744 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:16:55,744 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 02:16:55,744 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 02:16:55,744 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 02:16:55,744 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 02:16:55,744 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 02:16:55,745 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 02:16:55,745 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 02:16:55,745 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_2d51312b-42ab-4aa8-bccf-e27f5f3e06cc/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 -> 64c6d061d6a52be18c2dbf1f223acaf24ab6149e [2018-11-23 02:16:55,776 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 02:16:55,785 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 02:16:55,790 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 02:16:55,791 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 02:16:55,792 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 02:16:55,792 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2d51312b-42ab-4aa8-bccf-e27f5f3e06cc/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/nan_float_range_true-unreach-call_true-termination.c [2018-11-23 02:16:55,832 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2d51312b-42ab-4aa8-bccf-e27f5f3e06cc/bin-2019/uautomizer/data/b0a23dc85/46cf9335d7b4489bad483b1fe39282d2/FLAG008a4e21b [2018-11-23 02:16:56,219 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 02:16:56,220 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2d51312b-42ab-4aa8-bccf-e27f5f3e06cc/sv-benchmarks/c/float-benchs/nan_float_range_true-unreach-call_true-termination.c [2018-11-23 02:16:56,223 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2d51312b-42ab-4aa8-bccf-e27f5f3e06cc/bin-2019/uautomizer/data/b0a23dc85/46cf9335d7b4489bad483b1fe39282d2/FLAG008a4e21b [2018-11-23 02:16:56,231 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2d51312b-42ab-4aa8-bccf-e27f5f3e06cc/bin-2019/uautomizer/data/b0a23dc85/46cf9335d7b4489bad483b1fe39282d2 [2018-11-23 02:16:56,233 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 02:16:56,234 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 02:16:56,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 02:16:56,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 02:16:56,237 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 02:16:56,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:16:56" (1/1) ... [2018-11-23 02:16:56,240 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f3f0276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:56, skipping insertion in model container [2018-11-23 02:16:56,240 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:16:56" (1/1) ... [2018-11-23 02:16:56,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 02:16:56,260 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 02:16:56,391 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:16:56,395 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 02:16:56,407 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:16:56,418 INFO L195 MainTranslator]: Completed translation [2018-11-23 02:16:56,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:56 WrapperNode [2018-11-23 02:16:56,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 02:16:56,420 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 02:16:56,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 02:16:56,420 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 02:16:56,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:56" (1/1) ... [2018-11-23 02:16:56,432 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:56" (1/1) ... [2018-11-23 02:16:56,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 02:16:56,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 02:16:56,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 02:16:56,437 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 02:16:56,444 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:56" (1/1) ... [2018-11-23 02:16:56,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:56" (1/1) ... [2018-11-23 02:16:56,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:56" (1/1) ... [2018-11-23 02:16:56,446 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:56" (1/1) ... [2018-11-23 02:16:56,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:56" (1/1) ... [2018-11-23 02:16:56,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:56" (1/1) ... [2018-11-23 02:16:56,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:56" (1/1) ... [2018-11-23 02:16:56,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 02:16:56,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 02:16:56,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 02:16:56,455 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 02:16:56,455 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2d51312b-42ab-4aa8-bccf-e27f5f3e06cc/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 [2018-11-23 02:16:56,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 02:16:56,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 02:16:56,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 02:16:56,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 02:16:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 02:16:56,548 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 02:16:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 02:16:56,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 02:16:56,785 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 02:16:56,785 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 02:16:56,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:16:56 BoogieIcfgContainer [2018-11-23 02:16:56,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 02:16:56,786 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 02:16:56,786 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 02:16:56,788 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 02:16:56,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:16:56" (1/3) ... [2018-11-23 02:16:56,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a7e3d26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:16:56, skipping insertion in model container [2018-11-23 02:16:56,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:56" (2/3) ... [2018-11-23 02:16:56,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a7e3d26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:16:56, skipping insertion in model container [2018-11-23 02:16:56,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:16:56" (3/3) ... [2018-11-23 02:16:56,791 INFO L112 eAbstractionObserver]: Analyzing ICFG nan_float_range_true-unreach-call_true-termination.c [2018-11-23 02:16:56,796 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 02:16:56,800 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 02:16:56,809 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 02:16:56,825 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 02:16:56,825 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 02:16:56,825 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 02:16:56,825 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 02:16:56,826 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 02:16:56,826 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 02:16:56,826 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 02:16:56,826 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 02:16:56,826 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 02:16:56,840 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-11-23 02:16:56,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 02:16:56,844 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:16:56,845 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:16:56,846 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:16:56,849 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:16:56,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1736771137, now seen corresponding path program 1 times [2018-11-23 02:16:56,852 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 02:16:56,852 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2d51312b-42ab-4aa8-bccf-e27f5f3e06cc/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 [2018-11-23 02:16:56,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:16:56,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:16:56,885 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:16:57,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:16:57,356 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 02:16:57,364 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:16:57,364 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 02:16:57,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 02:16:57,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 02:16:57,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 02:16:57,376 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 5 states. [2018-11-23 02:16:57,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:16:57,803 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2018-11-23 02:16:57,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 02:16:57,807 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-11-23 02:16:57,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:16:57,811 INFO L225 Difference]: With dead ends: 28 [2018-11-23 02:16:57,811 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 02:16:57,813 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-23 02:16:57,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 02:16:57,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 02:16:57,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 02:16:57,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 02:16:57,828 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-11-23 02:16:57,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:16:57,829 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 02:16:57,829 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 02:16:57,829 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 02:16:57,829 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 02:16:57,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 02:16:57,973 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-11-23 02:16:57,974 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-23 02:16:57,974 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 02:16:57,974 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 02:16:57,974 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 02:16:57,975 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 02:16:57,975 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 02:16:57,975 INFO L444 ceAbstractionStarter]: At program point L14(line 14) the Hoare annotation is: (fp.geq ((_ to_fp 11 53) roundNearestTiesToEven main_~x~0) (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 10000000000.0))) [2018-11-23 02:16:57,975 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 8 17) the Hoare annotation is: true [2018-11-23 02:16:57,975 INFO L448 ceAbstractionStarter]: For program point L13(lines 13 15) no Hoare annotation was computed. [2018-11-23 02:16:57,975 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 8 17) no Hoare annotation was computed. [2018-11-23 02:16:57,975 INFO L448 ceAbstractionStarter]: For program point L13-1(lines 13 15) no Hoare annotation was computed. [2018-11-23 02:16:57,975 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 8 17) no Hoare annotation was computed. [2018-11-23 02:16:57,975 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 6) the Hoare annotation is: true [2018-11-23 02:16:57,976 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2018-11-23 02:16:57,976 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 6) no Hoare annotation was computed. [2018-11-23 02:16:57,976 INFO L448 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2018-11-23 02:16:57,976 INFO L448 ceAbstractionStarter]: For program point L6-1(line 6) no Hoare annotation was computed. [2018-11-23 02:16:57,976 INFO L448 ceAbstractionStarter]: For program point L6-3(line 6) no Hoare annotation was computed. [2018-11-23 02:16:57,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:16:57 BoogieIcfgContainer [2018-11-23 02:16:57,978 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 02:16:57,978 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 02:16:57,979 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 02:16:57,979 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 02:16:57,979 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:16:56" (3/4) ... [2018-11-23 02:16:57,982 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 02:16:57,986 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 02:16:57,987 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 02:16:57,987 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-23 02:16:57,989 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-23 02:16:57,990 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 02:16:57,990 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 02:16:58,014 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2d51312b-42ab-4aa8-bccf-e27f5f3e06cc/bin-2019/uautomizer/witness.graphml [2018-11-23 02:16:58,014 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 02:16:58,014 INFO L168 Benchmark]: Toolchain (without parser) took 1781.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 951.9 MB in the beginning and 1.1 GB in the end (delta: -112.6 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2018-11-23 02:16:58,015 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:16:58,015 INFO L168 Benchmark]: CACSL2BoogieTranslator took 184.77 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 941.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 02:16:58,016 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.24 ms. Allocated memory is still 1.0 GB. Free memory was 941.1 MB in the beginning and 935.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 02:16:58,016 INFO L168 Benchmark]: Boogie Preprocessor took 17.40 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:16:58,016 INFO L168 Benchmark]: RCFGBuilder took 331.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -171.6 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2018-11-23 02:16:58,017 INFO L168 Benchmark]: TraceAbstraction took 1192.03 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: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. [2018-11-23 02:16:58,017 INFO L168 Benchmark]: Witness Printer took 35.58 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-23 02:16:58,020 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 184.77 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 941.1 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 17.24 ms. Allocated memory is still 1.0 GB. Free memory was 941.1 MB in the beginning and 935.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.40 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 331.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -171.6 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1192.03 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: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. * Witness Printer took 35.58 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. SAFE Result, 1.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 16 SDtfs, 7 SDslu, 40 SDs, 0 SdLazy, 9 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 13 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 216 SizeOfPredicates, 2 NumberOfNonLiveVariables, 19 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...