./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1051_true-unreach-call.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_995695c1-ca8f-4e5d-8644-250e27531ff9/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_995695c1-ca8f-4e5d-8644-250e27531ff9/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_995695c1-ca8f-4e5d-8644-250e27531ff9/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_995695c1-ca8f-4e5d-8644-250e27531ff9/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1051_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_995695c1-ca8f-4e5d-8644-250e27531ff9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_995695c1-ca8f-4e5d-8644-250e27531ff9/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 863e70131520c7e8858a4f32bea4c5cffd3e6ae2 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_995695c1-ca8f-4e5d-8644-250e27531ff9/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_995695c1-ca8f-4e5d-8644-250e27531ff9/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_995695c1-ca8f-4e5d-8644-250e27531ff9/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_995695c1-ca8f-4e5d-8644-250e27531ff9/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1051_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_995695c1-ca8f-4e5d-8644-250e27531ff9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_995695c1-ca8f-4e5d-8644-250e27531ff9/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 863e70131520c7e8858a4f32bea4c5cffd3e6ae2 ............................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 02:22:57,034 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 02:22:57,035 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 02:22:57,043 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 02:22:57,043 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 02:22:57,044 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 02:22:57,044 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 02:22:57,045 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 02:22:57,046 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 02:22:57,047 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 02:22:57,047 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 02:22:57,048 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 02:22:57,048 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 02:22:57,049 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 02:22:57,050 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 02:22:57,050 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 02:22:57,051 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 02:22:57,052 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 02:22:57,053 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 02:22:57,054 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 02:22:57,055 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 02:22:57,056 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 02:22:57,057 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 02:22:57,057 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 02:22:57,058 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 02:22:57,058 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 02:22:57,059 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 02:22:57,059 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 02:22:57,060 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 02:22:57,061 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 02:22:57,061 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 02:22:57,061 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 02:22:57,062 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 02:22:57,062 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 02:22:57,062 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 02:22:57,063 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 02:22:57,063 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_995695c1-ca8f-4e5d-8644-250e27531ff9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 02:22:57,070 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 02:22:57,070 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 02:22:57,071 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 02:22:57,071 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 02:22:57,071 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 02:22:57,072 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 02:22:57,072 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 02:22:57,072 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 02:22:57,072 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 02:22:57,072 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 02:22:57,072 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 02:22:57,072 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 02:22:57,073 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 02:22:57,073 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 02:22:57,073 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 02:22:57,073 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 02:22:57,073 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 02:22:57,073 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 02:22:57,073 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 02:22:57,074 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 02:22:57,074 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 02:22:57,074 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 02:22:57,074 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 02:22:57,074 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:22:57,074 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 02:22:57,074 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 02:22:57,075 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 02:22:57,075 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 02:22:57,075 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 02:22:57,075 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 02:22:57,075 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_995695c1-ca8f-4e5d-8644-250e27531ff9/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 -> 863e70131520c7e8858a4f32bea4c5cffd3e6ae2 [2018-11-23 02:22:57,099 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 02:22:57,109 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 02:22:57,111 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 02:22:57,113 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 02:22:57,113 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 02:22:57,113 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_995695c1-ca8f-4e5d-8644-250e27531ff9/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1051_true-unreach-call.c [2018-11-23 02:22:57,158 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_995695c1-ca8f-4e5d-8644-250e27531ff9/bin-2019/uautomizer/data/cd2f0e361/8302a7ba208a4bf4af9b2ef97320fdde/FLAGe9e12e581 [2018-11-23 02:22:57,549 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 02:22:57,549 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_995695c1-ca8f-4e5d-8644-250e27531ff9/sv-benchmarks/c/float-newlib/float_req_bl_1051_true-unreach-call.c [2018-11-23 02:22:57,553 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_995695c1-ca8f-4e5d-8644-250e27531ff9/bin-2019/uautomizer/data/cd2f0e361/8302a7ba208a4bf4af9b2ef97320fdde/FLAGe9e12e581 [2018-11-23 02:22:57,565 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_995695c1-ca8f-4e5d-8644-250e27531ff9/bin-2019/uautomizer/data/cd2f0e361/8302a7ba208a4bf4af9b2ef97320fdde [2018-11-23 02:22:57,567 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 02:22:57,568 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 02:22:57,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 02:22:57,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 02:22:57,572 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 02:22:57,573 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:22:57" (1/1) ... [2018-11-23 02:22:57,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3436f9d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:57, skipping insertion in model container [2018-11-23 02:22:57,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:22:57" (1/1) ... [2018-11-23 02:22:57,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 02:22:57,596 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 02:22:57,711 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:22:57,713 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 02:22:57,730 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:22:57,743 INFO L195 MainTranslator]: Completed translation [2018-11-23 02:22:57,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:57 WrapperNode [2018-11-23 02:22:57,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 02:22:57,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 02:22:57,744 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 02:22:57,744 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 02:22:57,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:57" (1/1) ... [2018-11-23 02:22:57,755 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:57" (1/1) ... [2018-11-23 02:22:57,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 02:22:57,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 02:22:57,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 02:22:57,759 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 02:22:57,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:57" (1/1) ... [2018-11-23 02:22:57,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:57" (1/1) ... [2018-11-23 02:22:57,801 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:57" (1/1) ... [2018-11-23 02:22:57,801 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:57" (1/1) ... [2018-11-23 02:22:57,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:57" (1/1) ... [2018-11-23 02:22:57,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:57" (1/1) ... [2018-11-23 02:22:57,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:57" (1/1) ... [2018-11-23 02:22:57,815 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 02:22:57,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 02:22:57,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 02:22:57,816 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 02:22:57,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_995695c1-ca8f-4e5d-8644-250e27531ff9/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 02:22:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 02:22:57,856 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 02:22:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-23 02:22:57,857 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-23 02:22:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-23 02:22:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 02:22:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 02:22:57,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 02:22:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-23 02:22:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 02:22:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2018-11-23 02:22:57,857 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2018-11-23 02:22:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 02:22:57,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 02:22:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 02:22:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 02:22:58,048 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 02:22:58,048 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-23 02:22:58,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:22:58 BoogieIcfgContainer [2018-11-23 02:22:58,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 02:22:58,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 02:22:58,049 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 02:22:58,052 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 02:22:58,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:22:57" (1/3) ... [2018-11-23 02:22:58,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5111433e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:22:58, skipping insertion in model container [2018-11-23 02:22:58,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:57" (2/3) ... [2018-11-23 02:22:58,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5111433e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:22:58, skipping insertion in model container [2018-11-23 02:22:58,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:22:58" (3/3) ... [2018-11-23 02:22:58,055 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1051_true-unreach-call.c [2018-11-23 02:22:58,064 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 02:22:58,071 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 02:22:58,085 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 02:22:58,110 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 02:22:58,111 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 02:22:58,111 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 02:22:58,111 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 02:22:58,111 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 02:22:58,111 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 02:22:58,111 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 02:22:58,111 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 02:22:58,111 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 02:22:58,126 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2018-11-23 02:22:58,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 02:22:58,131 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:22:58,132 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] [2018-11-23 02:22:58,134 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:22:58,138 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:22:58,138 INFO L82 PathProgramCache]: Analyzing trace with hash -971358766, now seen corresponding path program 1 times [2018-11-23 02:22:58,140 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:22:58,140 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:22:58,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:22:58,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:22:58,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:22:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:22:58,244 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 02:22:58,246 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:22:58,246 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 02:22:58,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 02:22:58,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 02:22:58,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 02:22:58,262 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 2 states. [2018-11-23 02:22:58,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:22:58,278 INFO L93 Difference]: Finished difference Result 70 states and 96 transitions. [2018-11-23 02:22:58,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 02:22:58,279 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-11-23 02:22:58,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:22:58,288 INFO L225 Difference]: With dead ends: 70 [2018-11-23 02:22:58,288 INFO L226 Difference]: Without dead ends: 35 [2018-11-23 02:22:58,290 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 [2018-11-23 02:22:58,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-11-23 02:22:58,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-11-23 02:22:58,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-11-23 02:22:58,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 43 transitions. [2018-11-23 02:22:58,312 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 43 transitions. Word has length 22 [2018-11-23 02:22:58,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:22:58,312 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 43 transitions. [2018-11-23 02:22:58,313 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 02:22:58,313 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2018-11-23 02:22:58,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 02:22:58,313 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:22:58,313 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] [2018-11-23 02:22:58,314 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:22:58,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:22:58,314 INFO L82 PathProgramCache]: Analyzing trace with hash -1352261581, now seen corresponding path program 1 times [2018-11-23 02:22:58,314 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:22:58,314 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:22:58,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:22:58,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:22:58,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:22:58,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 02:22:58,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 02:22:58,387 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); VAL [|#NULL.base|=6442450951, |#NULL.offset|=6442450945, |old(#NULL.base)|=6442450951, |old(#NULL.offset)|=6442450945, |old(~huge_floor~0)|=6442450946.0, ~huge_floor~0=6442450946.0] [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~huge_floor~0 := 1.0E30; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=6442450951, |old(#NULL.offset)|=6442450945, |old(~huge_floor~0)|=6442450946.0, ~huge_floor~0=1000000000000000000000000000000.0] [?] assume true; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=6442450951, |old(#NULL.offset)|=6442450945, |old(~huge_floor~0)|=6442450946.0, ~huge_floor~0=1000000000000000000000000000000.0] [?] RET #95#return; VAL [|#NULL.base|=0, |#NULL.offset|=0, ~huge_floor~0=1000000000000000000000000000000.0] [?] CALL call #t~ret6 := main(); VAL [|#NULL.base|=0, |#NULL.offset|=0, ~huge_floor~0=1000000000000000000000000000000.0] [?] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [|#NULL.base|=0, |#NULL.offset|=0, ~huge_floor~0=1000000000000000000000000000000.0] [?] CALL call #t~ret4 := floor_float(~x~0); VAL [|#NULL.base|=0, |#NULL.offset|=0, |floor_float_#in~x|=6442450952.0, ~huge_floor~0=1000000000000000000000000000000.0] [?] ~x := #in~x;havoc ~i0~0;havoc ~j0~0;havoc ~i~0;havoc ~ix~0; VAL [floor_float_~x=6442450952.0, |#NULL.base|=0, |#NULL.offset|=0, |floor_float_#in~x|=6442450952.0, ~huge_floor~0=1000000000000000000000000000000.0] [?] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4);call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4);call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4);~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296);call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4);havoc #t~union1;havoc #t~mem0;call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset);havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [floor_float_~i0~0=(- 2147483648), floor_float_~x=6442450952.0, |#NULL.base|=0, |#NULL.offset|=0, |floor_float_#in~x|=6442450952.0, ~huge_floor~0=1000000000000000000000000000000.0] [?] goto; VAL [floor_float_~i0~0=(- 2147483648), floor_float_~x=6442450952.0, |#NULL.base|=0, |#NULL.offset|=0, |floor_float_#in~x|=6442450952.0, ~huge_floor~0=1000000000000000000000000000000.0] [?] ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647);~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [floor_float_~i0~0=(- 2147483648), floor_float_~ix~0=(- 36028794871480321), floor_float_~j0~0=128, floor_float_~x=6442450952.0, |#NULL.base|=0, |#NULL.offset|=0, |floor_float_#in~x|=6442450952.0, ~huge_floor~0=1000000000000000000000000000000.0] [?] assume !(~j0~0 < 23); VAL [floor_float_~i0~0=(- 2147483648), floor_float_~ix~0=(- 36028794871480321), floor_float_~j0~0=128, floor_float_~x=6442450952.0, |#NULL.base|=0, |#NULL.offset|=0, |floor_float_#in~x|=6442450952.0, ~huge_floor~0=1000000000000000000000000000000.0] [?] assume !(~ix~0 % 4294967296 < 2139095040);#res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [floor_float_~i0~0=(- 2147483648), floor_float_~ix~0=(- 36028794871480321), floor_float_~j0~0=128, floor_float_~x=6442450952.0, |#NULL.base|=0, |#NULL.offset|=0, |floor_float_#in~x|=6442450952.0, ~huge_floor~0=1000000000000000000000000000000.0] [?] assume true; VAL [floor_float_~i0~0=(- 2147483648), floor_float_~ix~0=(- 36028794871480321), floor_float_~j0~0=128, floor_float_~x=6442450952.0, |#NULL.base|=0, |#NULL.offset|=0, |floor_float_#in~x|=6442450952.0, ~huge_floor~0=1000000000000000000000000000000.0] [?] RET #99#return; VAL [main_~x~0=6442450952.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret4|=6442450949.0, ~huge_floor~0=1000000000000000000000000000000.0] [?] ~res~0 := #t~ret4;havoc #t~ret4; VAL [main_~res~0=6442450949.0, main_~x~0=6442450952.0, |#NULL.base|=0, |#NULL.offset|=0, ~huge_floor~0=1000000000000000000000000000000.0] [?] CALL call #t~ret5 := isnan_float(~res~0); VAL [|#NULL.base|=0, |#NULL.offset|=0, |isnan_float_#in~x|=6442450949.0, ~huge_floor~0=1000000000000000000000000000000.0] [?] ~x := #in~x;#res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [isnan_float_~x=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |isnan_float_#in~x|=6442450949.0, |isnan_float_#res|=0, ~huge_floor~0=1000000000000000000000000000000.0] [?] assume true; VAL [isnan_float_~x=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |isnan_float_#in~x|=6442450949.0, |isnan_float_#res|=0, ~huge_floor~0=1000000000000000000000000000000.0] [?] RET #101#return; VAL [main_~res~0=6442450949.0, main_~x~0=6442450952.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret5|=0, ~huge_floor~0=1000000000000000000000000000000.0] [?] assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; VAL [main_~res~0=6442450949.0, main_~x~0=6442450952.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret5|=0, ~huge_floor~0=1000000000000000000000000000000.0] [?] assume 0 == #t~ret5;havoc #t~ret5; VAL [main_~res~0=6442450949.0, main_~x~0=6442450952.0, |#NULL.base|=0, |#NULL.offset|=0, ~huge_floor~0=1000000000000000000000000000000.0] [?] assume !false; VAL [main_~res~0=6442450949.0, main_~x~0=6442450952.0, |#NULL.base|=0, |#NULL.offset|=0, ~huge_floor~0=1000000000000000000000000000000.0] [?] CALL call ULTIMATE.init(); VAL [#NULL.base=6442450951, #NULL.offset=6442450945, old(#NULL.base)=6442450951, old(#NULL.offset)=6442450945, old(~huge_floor~0)=6.442450946E9, ~huge_floor~0=6.442450946E9] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L12] ~huge_floor~0 := 1.0E30; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450951, old(#NULL.offset)=6442450945, old(~huge_floor~0)=6.442450946E9, ~huge_floor~0=1.0E30] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450951, old(#NULL.offset)=6442450945, old(~huge_floor~0)=6.442450946E9, ~huge_floor~0=1.0E30] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30] [?] CALL call #t~ret6 := main(); VAL [#NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30] [L66] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [#NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30] [L67] CALL call #t~ret4 := floor_float(~x~0); VAL [#in~x=6.442450952E9, #NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30] [L14-L55] ~x := #in~x; [L15] havoc ~i0~0; [L15] havoc ~j0~0; [L16] havoc ~i~0; [L16] havoc ~ix~0; VAL [#in~x=6.442450952E9, #NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30, ~x=6.442450952E9] [L18] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L19] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L20] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L20] ~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L20] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L20] havoc #t~union1; [L20] havoc #t~mem0; [L18] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L18] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=6.442450952E9, #NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~x=6.442450952E9] [L22] ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); [L23] ~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [#in~x=6.442450952E9, #NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L24-L48] assume !(~j0~0 < 23); VAL [#in~x=6.442450952E9, #NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L44-L47] assume !(~ix~0 % 4294967296 < 2139095040); [L45] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=6.442450952E9, #NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L14-L55] ensures true; VAL [#in~x=6.442450952E9, #NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L67] RET call #t~ret4 := floor_float(~x~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret4=6.442450949E9, ~huge_floor~0=1.0E30, ~x~0=6.442450952E9] [L67] ~res~0 := #t~ret4; [L67] havoc #t~ret4; VAL [#NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L70] CALL call #t~ret5 := isnan_float(~res~0); VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30] [L58] ~x := #in~x; [L58] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, #res=0, ~huge_floor~0=1.0E30, ~x=6.442450949E9] [L58] ensures true; VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, #res=0, ~huge_floor~0=1.0E30, ~x=6.442450949E9] [L70] RET call #t~ret5 := isnan_float(~res~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret5=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L70] assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~ret5=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L70-L73] assume 0 == #t~ret5; [L70] havoc #t~ret5; VAL [#NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L71] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL.base=6442450951, #NULL.offset=6442450945, old(#NULL.base)=6442450951, old(#NULL.offset)=6442450945, old(~huge_floor~0)=6.442450946E9, ~huge_floor~0=6.442450946E9] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L12] ~huge_floor~0 := 1.0E30; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450951, old(#NULL.offset)=6442450945, old(~huge_floor~0)=6.442450946E9, ~huge_floor~0=1.0E30] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450951, old(#NULL.offset)=6442450945, old(~huge_floor~0)=6.442450946E9, ~huge_floor~0=1.0E30] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30] [?] CALL call #t~ret6 := main(); VAL [#NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30] [L66] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [#NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30] [L67] CALL call #t~ret4 := floor_float(~x~0); VAL [#in~x=6.442450952E9, #NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30] [L14-L55] ~x := #in~x; [L15] havoc ~i0~0; [L15] havoc ~j0~0; [L16] havoc ~i~0; [L16] havoc ~ix~0; VAL [#in~x=6.442450952E9, #NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30, ~x=6.442450952E9] [L18] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L19] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L20] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L20] ~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L20] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L20] havoc #t~union1; [L20] havoc #t~mem0; [L18] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L18] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=6.442450952E9, #NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~x=6.442450952E9] [L22] ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); [L23] ~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [#in~x=6.442450952E9, #NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L24-L48] assume !(~j0~0 < 23); VAL [#in~x=6.442450952E9, #NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L44-L47] assume !(~ix~0 % 4294967296 < 2139095040); [L45] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=6.442450952E9, #NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L14-L55] ensures true; VAL [#in~x=6.442450952E9, #NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L67] RET call #t~ret4 := floor_float(~x~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret4=6.442450949E9, ~huge_floor~0=1.0E30, ~x~0=6.442450952E9] [L67] ~res~0 := #t~ret4; [L67] havoc #t~ret4; VAL [#NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L70] CALL call #t~ret5 := isnan_float(~res~0); VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30] [L58] ~x := #in~x; [L58] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, #res=0, ~huge_floor~0=1.0E30, ~x=6.442450949E9] [L58] ensures true; VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, #res=0, ~huge_floor~0=1.0E30, ~x=6.442450949E9] [L70] RET call #t~ret5 := isnan_float(~res~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret5=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L70] assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~ret5=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L70-L73] assume 0 == #t~ret5; [L70] havoc #t~ret5; VAL [#NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L71] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450951, #NULL!offset=6442450945, old(#NULL!base)=6442450951, old(#NULL!offset)=6442450945, old(~huge_floor~0)=6.442450946E9, ~huge_floor~0=6.442450946E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L12] ~huge_floor~0 := 1.0E30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450951, old(#NULL!offset)=6442450945, old(~huge_floor~0)=6.442450946E9, ~huge_floor~0=1.0E30] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [?] CALL call #t~ret6 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L66] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L67] CALL call #t~ret4 := floor_float(~x~0); VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L14-L55] ~x := #in~x; [L15] havoc ~i0~0; [L15] havoc ~j0~0; [L16] havoc ~i~0; [L16] havoc ~ix~0; VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~x=6.442450952E9] [L18] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L19] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] ~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L20] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] havoc #t~union1; [L20] havoc #t~mem0; [L18] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L18] havoc ~#gf_u~0; VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~x=6.442450952E9] [L22] ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); [L23] ~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L24] COND FALSE !(~j0~0 < 23) VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L44] COND TRUE !(~ix~0 % 4294967296 < 2139095040) [L45] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L67] RET call #t~ret4 := floor_float(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret4=6.442450949E9, ~huge_floor~0=1.0E30, ~x~0=6.442450952E9] [L67] ~res~0 := #t~ret4; [L67] havoc #t~ret4; VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L70] CALL call #t~ret5 := isnan_float(~res~0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L58] ~x := #in~x; [L58] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, #res=0, ~huge_floor~0=1.0E30, ~x=6.442450949E9] [L70] RET call #t~ret5 := isnan_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L70] assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L70] COND TRUE 0 == #t~ret5 [L70] havoc #t~ret5; VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L71] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450951, #NULL!offset=6442450945, old(#NULL!base)=6442450951, old(#NULL!offset)=6442450945, old(~huge_floor~0)=6.442450946E9, ~huge_floor~0=6.442450946E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L12] ~huge_floor~0 := 1.0E30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450951, old(#NULL!offset)=6442450945, old(~huge_floor~0)=6.442450946E9, ~huge_floor~0=1.0E30] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [?] CALL call #t~ret6 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L66] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L67] CALL call #t~ret4 := floor_float(~x~0); VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L14-L55] ~x := #in~x; [L15] havoc ~i0~0; [L15] havoc ~j0~0; [L16] havoc ~i~0; [L16] havoc ~ix~0; VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~x=6.442450952E9] [L18] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L19] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] ~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L20] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] havoc #t~union1; [L20] havoc #t~mem0; [L18] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L18] havoc ~#gf_u~0; VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~x=6.442450952E9] [L22] ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); [L23] ~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L24] COND FALSE !(~j0~0 < 23) VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L44] COND TRUE !(~ix~0 % 4294967296 < 2139095040) [L45] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L67] RET call #t~ret4 := floor_float(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret4=6.442450949E9, ~huge_floor~0=1.0E30, ~x~0=6.442450952E9] [L67] ~res~0 := #t~ret4; [L67] havoc #t~ret4; VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L70] CALL call #t~ret5 := isnan_float(~res~0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L58] ~x := #in~x; [L58] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, #res=0, ~huge_floor~0=1.0E30, ~x=6.442450949E9] [L70] RET call #t~ret5 := isnan_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L70] assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L70] COND TRUE 0 == #t~ret5 [L70] havoc #t~ret5; VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L71] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450951, #NULL!offset=6442450945, old(#NULL!base)=6442450951, old(#NULL!offset)=6442450945, old(~huge_floor~0)=6.442450946E9, ~huge_floor~0=6.442450946E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L12] ~huge_floor~0 := 1.0E30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450951, old(#NULL!offset)=6442450945, old(~huge_floor~0)=6.442450946E9, ~huge_floor~0=1.0E30] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [?] CALL call #t~ret6 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L66] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L67] CALL call #t~ret4 := floor_float(~x~0); VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L14-L55] ~x := #in~x; [L15] havoc ~i0~0; [L15] havoc ~j0~0; [L16] havoc ~i~0; [L16] havoc ~ix~0; VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~x=6.442450952E9] [L18] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L19] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] ~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L20] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] havoc #t~union1; [L20] havoc #t~mem0; [L18] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L18] havoc ~#gf_u~0; VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~x=6.442450952E9] [L22] ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); [L23] ~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L24] COND FALSE !(~j0~0 < 23) VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L44] COND TRUE !(~ix~0 % 4294967296 < 2139095040) [L45] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L67] RET call #t~ret4 := floor_float(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret4=6.442450949E9, ~huge_floor~0=1.0E30, ~x~0=6.442450952E9] [L67] ~res~0 := #t~ret4; [L67] havoc #t~ret4; VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L70] CALL call #t~ret5 := isnan_float(~res~0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L58] ~x := #in~x; [L58] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, #res=0, ~huge_floor~0=1.0E30, ~x=6.442450949E9] [L70] RET call #t~ret5 := isnan_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L70] assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L70] COND TRUE 0 == #t~ret5 [L70] havoc #t~ret5; VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L71] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450951, #NULL!offset=6442450945, old(#NULL!base)=6442450951, old(#NULL!offset)=6442450945, old(~huge_floor~0)=6.442450946E9, ~huge_floor~0=6.442450946E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L12] ~huge_floor~0 := 1.0E30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450951, old(#NULL!offset)=6442450945, old(~huge_floor~0)=6.442450946E9, ~huge_floor~0=1.0E30] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [?] CALL call #t~ret6 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L66] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L67] CALL call #t~ret4 := floor_float(~x~0); VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L14-L55] ~x := #in~x; [L15] havoc ~i0~0; [L15] havoc ~j0~0; [L16] havoc ~i~0; [L16] havoc ~ix~0; VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~x=6.442450952E9] [L18] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L19] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] ~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L20] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] havoc #t~union1; [L20] havoc #t~mem0; [L18] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L18] havoc ~#gf_u~0; VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~x=6.442450952E9] [L22] ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); [L23] ~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L24] COND FALSE !(~j0~0 < 23) VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L44] COND TRUE !(~ix~0 % 4294967296 < 2139095040) [L45] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L67] RET call #t~ret4 := floor_float(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret4=6.442450949E9, ~huge_floor~0=1.0E30, ~x~0=6.442450952E9] [L67] ~res~0 := #t~ret4; [L67] havoc #t~ret4; VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L70] CALL call #t~ret5 := isnan_float(~res~0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L58] ~x := #in~x; [L58] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, #res=0, ~huge_floor~0=1.0E30, ~x=6.442450949E9] [L70] RET call #t~ret5 := isnan_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L70] assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L70] COND TRUE 0 == #t~ret5 [L70] havoc #t~ret5; VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L71] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L12] static const float huge_floor = 1.0e30; VAL [\old(huge_floor)=6442450946, huge_floor=1000000000000000000000000000000] [L66] float x = 0.0f / 0.0f; VAL [huge_floor=1000000000000000000000000000000] [L67] CALL, EXPR floor_float(x) VAL [\old(x)=6442450952, huge_floor=1000000000000000000000000000000] [L15] __int32_t i0, j0; [L16] __uint32_t i, ix; VAL [\old(x)=6442450952, huge_floor=1000000000000000000000000000000, x=6442450952] [L18] ieee_float_shape_type gf_u; [L19] gf_u.value = (x) [L20] EXPR gf_u.word [L20] (i0) = gf_u.word [L22] ix = (i0 & 0x7fffffff) [L23] j0 = (ix >> 23) - 0x7f VAL [\old(x)=6442450952, huge_floor=1000000000000000000000000000000, i=-36028794871480321, i0=-2147483648, j0=128, x=6442450952] [L24] COND FALSE !(j0 < 23) VAL [\old(x)=6442450952, huge_floor=1000000000000000000000000000000, i=-36028794871480321, i0=-2147483648, j0=128, x=6442450952] [L44] COND TRUE !((ix) < 0x7f800000L) [L45] return x + x; VAL [\old(x)=6442450952, huge_floor=1000000000000000000000000000000, i=-36028794871480321, i0=-2147483648, j0=128, x=6442450952] [L67] RET, EXPR floor_float(x) VAL [floor_float(x)=6442450949, huge_floor=1000000000000000000000000000000, x=6442450952] [L67] float res = floor_float(x); [L70] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450949, huge_floor=1000000000000000000000000000000] [L58] return x != x; VAL [\old(x)=6442450949, \result=0, huge_floor=1000000000000000000000000000000, x=6442450949] [L70] RET, EXPR isnan_float(res) VAL [huge_floor=1000000000000000000000000000000, isnan_float(res)=0, res=6442450949, x=6442450952] [L70] COND TRUE !isnan_float(res) [L71] __VERIFIER_error() VAL [huge_floor=1000000000000000000000000000000, res=6442450949, x=6442450952] ----- [2018-11-23 02:22:58,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:22:58 BoogieIcfgContainer [2018-11-23 02:22:58,422 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 02:22:58,422 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 02:22:58,422 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 02:22:58,423 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 02:22:58,423 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:22:58" (3/4) ... [2018-11-23 02:22:58,425 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 02:22:58,426 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 02:22:58,426 INFO L168 Benchmark]: Toolchain (without parser) took 858.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -147.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2018-11-23 02:22:58,427 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:22:58,428 INFO L168 Benchmark]: CACSL2BoogieTranslator took 174.43 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 945.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 02:22:58,428 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.20 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:22:58,428 INFO L168 Benchmark]: Boogie Preprocessor took 56.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 945.7 MB in the beginning and 1.2 GB in the end (delta: -218.2 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-23 02:22:58,429 INFO L168 Benchmark]: RCFGBuilder took 232.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2018-11-23 02:22:58,430 INFO L168 Benchmark]: TraceAbstraction took 373.06 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: 36.1 MB). Peak memory consumption was 36.1 MB. Max. memory is 11.5 GB. [2018-11-23 02:22:58,430 INFO L168 Benchmark]: Witness Printer took 3.22 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. [2018-11-23 02:22:58,433 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 174.43 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 945.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.20 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 945.7 MB in the beginning and 1.2 GB in the end (delta: -218.2 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 232.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 373.06 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: 36.1 MB). Peak memory consumption was 36.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.22 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: 71]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 58, overapproximation of someBinaryArithmeticFLOAToperation at line 45, overapproximation of bitwiseAnd at line 22. Possible FailurePath: [L12] static const float huge_floor = 1.0e30; VAL [\old(huge_floor)=6442450946, huge_floor=1000000000000000000000000000000] [L66] float x = 0.0f / 0.0f; VAL [huge_floor=1000000000000000000000000000000] [L67] CALL, EXPR floor_float(x) VAL [\old(x)=6442450952, huge_floor=1000000000000000000000000000000] [L15] __int32_t i0, j0; [L16] __uint32_t i, ix; VAL [\old(x)=6442450952, huge_floor=1000000000000000000000000000000, x=6442450952] [L18] ieee_float_shape_type gf_u; [L19] gf_u.value = (x) [L20] EXPR gf_u.word [L20] (i0) = gf_u.word [L22] ix = (i0 & 0x7fffffff) [L23] j0 = (ix >> 23) - 0x7f VAL [\old(x)=6442450952, huge_floor=1000000000000000000000000000000, i=-36028794871480321, i0=-2147483648, j0=128, x=6442450952] [L24] COND FALSE !(j0 < 23) VAL [\old(x)=6442450952, huge_floor=1000000000000000000000000000000, i=-36028794871480321, i0=-2147483648, j0=128, x=6442450952] [L44] COND TRUE !((ix) < 0x7f800000L) [L45] return x + x; VAL [\old(x)=6442450952, huge_floor=1000000000000000000000000000000, i=-36028794871480321, i0=-2147483648, j0=128, x=6442450952] [L67] RET, EXPR floor_float(x) VAL [floor_float(x)=6442450949, huge_floor=1000000000000000000000000000000, x=6442450952] [L67] float res = floor_float(x); [L70] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450949, huge_floor=1000000000000000000000000000000] [L58] return x != x; VAL [\old(x)=6442450949, \result=0, huge_floor=1000000000000000000000000000000, x=6442450949] [L70] RET, EXPR isnan_float(res) VAL [huge_floor=1000000000000000000000000000000, isnan_float(res)=0, res=6442450949, x=6442450952] [L70] COND TRUE !isnan_float(res) [L71] __VERIFIER_error() VAL [huge_floor=1000000000000000000000000000000, res=6442450949, x=6442450952] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 39 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 47 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=39occurred 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, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 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-aa41828 [2018-11-23 02:22:59,893 INFO L170 SettingsManager]: Resetting all preferences to default values... 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[2018-11-23 02:22:59,918 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 02:22:59,919 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 02:22:59,919 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 02:22:59,920 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 02:22:59,920 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 02:22:59,921 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 02:22:59,922 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 02:22:59,922 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 02:22:59,922 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 02:22:59,922 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 02:22:59,923 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 02:22:59,923 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 02:22:59,924 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 02:22:59,924 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_995695c1-ca8f-4e5d-8644-250e27531ff9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 02:22:59,934 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 02:22:59,934 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 02:22:59,935 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 02:22:59,935 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 02:22:59,936 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 02:22:59,936 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 02:22:59,936 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 02:22:59,936 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 02:22:59,936 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 02:22:59,936 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 02:22:59,937 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 02:22:59,937 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 02:22:59,937 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 02:22:59,937 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 02:22:59,937 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 02:22:59,937 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 02:22:59,937 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 02:22:59,938 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 02:22:59,938 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 02:22:59,938 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 02:22:59,938 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 02:22:59,938 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 02:22:59,938 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 02:22:59,938 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 02:22:59,939 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:22:59,939 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 02:22:59,939 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 02:22:59,939 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 02:22:59,939 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 02:22:59,939 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 02:22:59,939 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 02:22:59,940 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 02:22:59,940 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_995695c1-ca8f-4e5d-8644-250e27531ff9/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 -> 863e70131520c7e8858a4f32bea4c5cffd3e6ae2 [2018-11-23 02:22:59,969 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 02:22:59,978 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 02:22:59,980 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 02:22:59,981 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 02:22:59,982 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 02:22:59,982 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_995695c1-ca8f-4e5d-8644-250e27531ff9/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1051_true-unreach-call.c [2018-11-23 02:23:00,024 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_995695c1-ca8f-4e5d-8644-250e27531ff9/bin-2019/uautomizer/data/ecbecf7d5/6dced4a4a41b44d3ab4969ae604c3fc9/FLAG76e17d8f6 [2018-11-23 02:23:00,316 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 02:23:00,316 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_995695c1-ca8f-4e5d-8644-250e27531ff9/sv-benchmarks/c/float-newlib/float_req_bl_1051_true-unreach-call.c [2018-11-23 02:23:00,320 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_995695c1-ca8f-4e5d-8644-250e27531ff9/bin-2019/uautomizer/data/ecbecf7d5/6dced4a4a41b44d3ab4969ae604c3fc9/FLAG76e17d8f6 [2018-11-23 02:23:00,327 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_995695c1-ca8f-4e5d-8644-250e27531ff9/bin-2019/uautomizer/data/ecbecf7d5/6dced4a4a41b44d3ab4969ae604c3fc9 [2018-11-23 02:23:00,329 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 02:23:00,330 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 02:23:00,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 02:23:00,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 02:23:00,333 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 02:23:00,333 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:23:00" (1/1) ... [2018-11-23 02:23:00,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29d0518e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:00, skipping insertion in model container [2018-11-23 02:23:00,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:23:00" (1/1) ... [2018-11-23 02:23:00,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 02:23:00,354 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 02:23:00,473 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:23:00,476 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 02:23:00,495 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:23:00,510 INFO L195 MainTranslator]: Completed translation [2018-11-23 02:23:00,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:00 WrapperNode [2018-11-23 02:23:00,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 02:23:00,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 02:23:00,512 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 02:23:00,512 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 02:23:00,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:00" (1/1) ... [2018-11-23 02:23:00,523 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:00" (1/1) ... [2018-11-23 02:23:00,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 02:23:00,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 02:23:00,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 02:23:00,530 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 02:23:00,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:00" (1/1) ... [2018-11-23 02:23:00,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:00" (1/1) ... [2018-11-23 02:23:00,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:00" (1/1) ... [2018-11-23 02:23:00,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:00" (1/1) ... [2018-11-23 02:23:00,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:00" (1/1) ... [2018-11-23 02:23:00,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:00" (1/1) ... [2018-11-23 02:23:00,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:00" (1/1) ... [2018-11-23 02:23:00,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 02:23:00,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 02:23:00,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 02:23:00,557 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 02:23:00,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_995695c1-ca8f-4e5d-8644-250e27531ff9/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 02:23:00,641 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 02:23:00,641 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 02:23:00,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-23 02:23:00,641 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-23 02:23:00,641 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-23 02:23:00,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 02:23:00,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 02:23:00,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 02:23:00,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 02:23:00,642 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2018-11-23 02:23:00,642 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2018-11-23 02:23:00,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 02:23:00,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 02:23:00,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-23 02:23:00,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 02:23:00,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 02:23:01,082 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 02:23:01,082 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-23 02:23:01,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:23:01 BoogieIcfgContainer [2018-11-23 02:23:01,082 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 02:23:01,083 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 02:23:01,083 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 02:23:01,086 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 02:23:01,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:23:00" (1/3) ... [2018-11-23 02:23:01,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c1417e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:23:01, skipping insertion in model container [2018-11-23 02:23:01,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:00" (2/3) ... [2018-11-23 02:23:01,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c1417e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:23:01, skipping insertion in model container [2018-11-23 02:23:01,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:23:01" (3/3) ... [2018-11-23 02:23:01,088 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1051_true-unreach-call.c [2018-11-23 02:23:01,093 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 02:23:01,098 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 02:23:01,106 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 02:23:01,123 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 02:23:01,123 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 02:23:01,123 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 02:23:01,124 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 02:23:01,124 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 02:23:01,124 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 02:23:01,124 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 02:23:01,124 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 02:23:01,124 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 02:23:01,133 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2018-11-23 02:23:01,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 02:23:01,137 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:23:01,137 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] [2018-11-23 02:23:01,138 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:23:01,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:23:01,142 INFO L82 PathProgramCache]: Analyzing trace with hash 1109789349, now seen corresponding path program 1 times [2018-11-23 02:23:01,144 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 02:23:01,144 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_995695c1-ca8f-4e5d-8644-250e27531ff9/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 02:23:01,148 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:23:01,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:23:01,201 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:23:01,213 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 02:23:01,213 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 02:23:01,223 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:23:01,223 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 02:23:01,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 02:23:01,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 02:23:01,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 02:23:01,234 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 2 states. [2018-11-23 02:23:01,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:23:01,246 INFO L93 Difference]: Finished difference Result 68 states and 94 transitions. [2018-11-23 02:23:01,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 02:23:01,247 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-11-23 02:23:01,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:23:01,256 INFO L225 Difference]: With dead ends: 68 [2018-11-23 02:23:01,256 INFO L226 Difference]: Without dead ends: 34 [2018-11-23 02:23:01,258 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 02:23:01,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-11-23 02:23:01,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-11-23 02:23:01,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-23 02:23:01,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2018-11-23 02:23:01,286 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 42 transitions. Word has length 21 [2018-11-23 02:23:01,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:23:01,286 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 42 transitions. [2018-11-23 02:23:01,286 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 02:23:01,286 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2018-11-23 02:23:01,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 02:23:01,287 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:23:01,287 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] [2018-11-23 02:23:01,287 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:23:01,288 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:23:01,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1743788968, now seen corresponding path program 1 times [2018-11-23 02:23:01,288 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 02:23:01,288 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_995695c1-ca8f-4e5d-8644-250e27531ff9/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 [2018-11-23 02:23:01,296 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:23:01,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:23:01,339 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:23:01,678 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 02:23:01,679 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 02:23:01,687 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:23:01,687 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 02:23:01,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 02:23:01,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 02:23:01,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 02:23:01,688 INFO L87 Difference]: Start difference. First operand 34 states and 42 transitions. Second operand 9 states. [2018-11-23 02:23:02,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:23:02,822 INFO L93 Difference]: Finished difference Result 43 states and 51 transitions. [2018-11-23 02:23:02,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 02:23:02,823 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-11-23 02:23:02,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:23:02,824 INFO L225 Difference]: With dead ends: 43 [2018-11-23 02:23:02,825 INFO L226 Difference]: Without dead ends: 36 [2018-11-23 02:23:02,825 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-23 02:23:02,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-11-23 02:23:02,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 34. [2018-11-23 02:23:02,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-23 02:23:02,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 41 transitions. [2018-11-23 02:23:02,831 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 41 transitions. Word has length 22 [2018-11-23 02:23:02,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:23:02,832 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 41 transitions. [2018-11-23 02:23:02,832 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 02:23:02,832 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2018-11-23 02:23:02,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 02:23:02,833 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:23:02,833 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] [2018-11-23 02:23:02,834 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:23:02,834 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:23:02,834 INFO L82 PathProgramCache]: Analyzing trace with hash 1547275463, now seen corresponding path program 1 times [2018-11-23 02:23:02,834 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 02:23:02,834 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_995695c1-ca8f-4e5d-8644-250e27531ff9/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 [2018-11-23 02:23:02,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:23:02,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:23:02,864 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:23:02,954 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 02:23:02,955 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 02:23:02,962 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:23:02,962 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 02:23:02,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 02:23:02,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 02:23:02,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 02:23:02,963 INFO L87 Difference]: Start difference. First operand 34 states and 41 transitions. Second operand 9 states. [2018-11-23 02:23:03,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:23:03,463 INFO L93 Difference]: Finished difference Result 41 states and 48 transitions. [2018-11-23 02:23:03,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 02:23:03,464 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-11-23 02:23:03,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:23:03,465 INFO L225 Difference]: With dead ends: 41 [2018-11-23 02:23:03,465 INFO L226 Difference]: Without dead ends: 33 [2018-11-23 02:23:03,465 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-23 02:23:03,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-11-23 02:23:03,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-11-23 02:23:03,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-23 02:23:03,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2018-11-23 02:23:03,468 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 22 [2018-11-23 02:23:03,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:23:03,469 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2018-11-23 02:23:03,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 02:23:03,469 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2018-11-23 02:23:03,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 02:23:03,469 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:23:03,470 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, 1, 1] [2018-11-23 02:23:03,470 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:23:03,470 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:23:03,470 INFO L82 PathProgramCache]: Analyzing trace with hash -136677178, now seen corresponding path program 1 times [2018-11-23 02:23:03,470 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 02:23:03,470 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_995695c1-ca8f-4e5d-8644-250e27531ff9/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 [2018-11-23 02:23:03,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:23:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:23:03,518 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:23:03,597 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 02:23:03,598 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 02:23:03,610 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:23:03,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 02:23:03,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 02:23:03,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 02:23:03,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 02:23:03,611 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. Second operand 7 states. [2018-11-23 02:23:04,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:23:04,266 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2018-11-23 02:23:04,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 02:23:04,267 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-11-23 02:23:04,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:23:04,267 INFO L225 Difference]: With dead ends: 39 [2018-11-23 02:23:04,267 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 02:23:04,268 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2018-11-23 02:23:04,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 02:23:04,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 02:23:04,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 02:23:04,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 02:23:04,268 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-11-23 02:23:04,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:23:04,269 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 02:23:04,269 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 02:23:04,269 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 02:23:04,269 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 02:23:04,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 02:23:04,335 INFO L448 ceAbstractionStarter]: For program point isnan_floatFINAL(line 58) no Hoare annotation was computed. [2018-11-23 02:23:04,336 INFO L451 ceAbstractionStarter]: At program point isnan_floatENTRY(line 58) the Hoare annotation is: true [2018-11-23 02:23:04,336 INFO L448 ceAbstractionStarter]: For program point isnan_floatEXIT(line 58) no Hoare annotation was computed. [2018-11-23 02:23:04,336 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 02:23:04,336 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 02:23:04,336 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 02:23:04,336 INFO L448 ceAbstractionStarter]: For program point L27(lines 27 31) no Hoare annotation was computed. [2018-11-23 02:23:04,336 INFO L448 ceAbstractionStarter]: For program point L44(lines 44 47) no Hoare annotation was computed. [2018-11-23 02:23:04,337 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 48) no Hoare annotation was computed. [2018-11-23 02:23:04,337 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 53) no Hoare annotation was computed. [2018-11-23 02:23:04,337 INFO L448 ceAbstractionStarter]: For program point L49-1(lines 14 55) no Hoare annotation was computed. [2018-11-23 02:23:04,337 INFO L448 ceAbstractionStarter]: For program point L49-2(lines 49 53) no Hoare annotation was computed. [2018-11-23 02:23:04,337 INFO L448 ceAbstractionStarter]: For program point L37(lines 37 41) no Hoare annotation was computed. [2018-11-23 02:23:04,337 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 31) no Hoare annotation was computed. [2018-11-23 02:23:04,337 INFO L448 ceAbstractionStarter]: For program point floor_floatEXIT(lines 14 55) no Hoare annotation was computed. [2018-11-23 02:23:04,337 INFO L448 ceAbstractionStarter]: For program point L25(lines 25 42) no Hoare annotation was computed. [2018-11-23 02:23:04,337 INFO L448 ceAbstractionStarter]: For program point L17-1(lines 17 21) no Hoare annotation was computed. [2018-11-23 02:23:04,338 INFO L444 ceAbstractionStarter]: At program point L17-2(lines 17 21) the Hoare annotation is: (= |floor_float_#in~x| floor_float_~x) [2018-11-23 02:23:04,338 INFO L448 ceAbstractionStarter]: For program point L17-3(lines 17 21) no Hoare annotation was computed. [2018-11-23 02:23:04,338 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2018-11-23 02:23:04,338 INFO L448 ceAbstractionStarter]: For program point L38-2(lines 38 39) no Hoare annotation was computed. [2018-11-23 02:23:04,338 INFO L448 ceAbstractionStarter]: For program point floor_floatFINAL(lines 14 55) no Hoare annotation was computed. [2018-11-23 02:23:04,338 INFO L448 ceAbstractionStarter]: For program point L26(lines 26 32) no Hoare annotation was computed. [2018-11-23 02:23:04,338 INFO L451 ceAbstractionStarter]: At program point floor_floatENTRY(lines 14 55) the Hoare annotation is: true [2018-11-23 02:23:04,338 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 36) no Hoare annotation was computed. [2018-11-23 02:23:04,338 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 02:23:04,338 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 02:23:04,339 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 02:23:04,339 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 02:23:04,339 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 60 76) the Hoare annotation is: true [2018-11-23 02:23:04,339 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 60 76) no Hoare annotation was computed. [2018-11-23 02:23:04,339 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 71) no Hoare annotation was computed. [2018-11-23 02:23:04,339 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 60 76) no Hoare annotation was computed. [2018-11-23 02:23:04,339 INFO L448 ceAbstractionStarter]: For program point L71(line 71) no Hoare annotation was computed. [2018-11-23 02:23:04,340 INFO L444 ceAbstractionStarter]: At program point L70(line 70) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) (and (= main_~res~0 (fp.add roundNearestTiesToEven .cse0 .cse0)) (= main_~x~0 .cse0))) [2018-11-23 02:23:04,340 INFO L448 ceAbstractionStarter]: For program point L70-1(lines 70 73) no Hoare annotation was computed. [2018-11-23 02:23:04,340 INFO L444 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24))) [2018-11-23 02:23:04,340 INFO L448 ceAbstractionStarter]: For program point L67-1(line 67) no Hoare annotation was computed. [2018-11-23 02:23:04,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:23:04 BoogieIcfgContainer [2018-11-23 02:23:04,350 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 02:23:04,350 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 02:23:04,350 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 02:23:04,350 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 02:23:04,351 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:23:01" (3/4) ... [2018-11-23 02:23:04,354 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 02:23:04,359 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-11-23 02:23:04,359 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 02:23:04,359 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure floor_float [2018-11-23 02:23:04,359 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 02:23:04,363 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-23 02:23:04,363 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 02:23:04,363 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 02:23:04,386 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-23 02:23:04,402 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_995695c1-ca8f-4e5d-8644-250e27531ff9/bin-2019/uautomizer/witness.graphml [2018-11-23 02:23:04,402 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 02:23:04,403 INFO L168 Benchmark]: Toolchain (without parser) took 4073.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 947.9 MB in the beginning and 960.7 MB in the end (delta: -12.9 MB). Peak memory consumption was 143.9 MB. Max. memory is 11.5 GB. [2018-11-23 02:23:04,404 INFO L168 Benchmark]: CDTParser took 0.15 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 02:23:04,404 INFO L168 Benchmark]: CACSL2BoogieTranslator took 180.38 ms. Allocated memory is still 1.0 GB. Free memory was 947.9 MB in the beginning and 931.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 02:23:04,404 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.26 ms. Allocated memory is still 1.0 GB. Free memory is still 931.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:23:04,404 INFO L168 Benchmark]: Boogie Preprocessor took 26.60 ms. Allocated memory is still 1.0 GB. Free memory is still 931.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:23:04,405 INFO L168 Benchmark]: RCFGBuilder took 525.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 931.7 MB in the beginning and 1.1 GB in the end (delta: -187.1 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-11-23 02:23:04,405 INFO L168 Benchmark]: TraceAbstraction took 3266.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 967.6 MB in the end (delta: 151.3 MB). Peak memory consumption was 151.3 MB. Max. memory is 11.5 GB. [2018-11-23 02:23:04,405 INFO L168 Benchmark]: Witness Printer took 52.22 ms. Allocated memory is still 1.2 GB. Free memory was 967.6 MB in the beginning and 960.7 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-23 02:23:04,407 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 180.38 ms. Allocated memory is still 1.0 GB. Free memory was 947.9 MB in the beginning and 931.7 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 18.26 ms. Allocated memory is still 1.0 GB. Free memory is still 931.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.60 ms. Allocated memory is still 1.0 GB. Free memory is still 931.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 525.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 931.7 MB in the beginning and 1.1 GB in the end (delta: -187.1 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3266.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 967.6 MB in the end (delta: 151.3 MB). Peak memory consumption was 151.3 MB. Max. memory is 11.5 GB. * Witness Printer took 52.22 ms. Allocated memory is still 1.2 GB. Free memory was 967.6 MB in the beginning and 960.7 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 71]: 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: 17]: Loop Invariant Derived loop invariant: \old(x) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 38 locations, 1 error locations. SAFE Result, 3.2s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 2.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 122 SDtfs, 108 SDslu, 423 SDs, 0 SdLazy, 221 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 100 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred 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, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 12 PreInvPairs, 15 NumberOfFragments, 34 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 14 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 87 ConstructedInterpolants, 8 QuantifiedInterpolants, 9390 SizeOfPredicates, 13 NumberOfNonLiveVariables, 233 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...