./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1091_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_282880b9-09d8-4eb1-aa83-4ae824b49e09/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_282880b9-09d8-4eb1-aa83-4ae824b49e09/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_282880b9-09d8-4eb1-aa83-4ae824b49e09/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_282880b9-09d8-4eb1-aa83-4ae824b49e09/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1091_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_282880b9-09d8-4eb1-aa83-4ae824b49e09/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_282880b9-09d8-4eb1-aa83-4ae824b49e09/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2b9d0a0d91195e42f3fdc78aff518a11cbbaa17c .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_282880b9-09d8-4eb1-aa83-4ae824b49e09/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_282880b9-09d8-4eb1-aa83-4ae824b49e09/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_282880b9-09d8-4eb1-aa83-4ae824b49e09/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_282880b9-09d8-4eb1-aa83-4ae824b49e09/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1091_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_282880b9-09d8-4eb1-aa83-4ae824b49e09/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_282880b9-09d8-4eb1-aa83-4ae824b49e09/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2b9d0a0d91195e42f3fdc78aff518a11cbbaa17c ..................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 13:29:08,095 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:29:08,096 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:29:08,105 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:29:08,105 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:29:08,106 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:29:08,107 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:29:08,108 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:29:08,110 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:29:08,110 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:29:08,111 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:29:08,111 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:29:08,112 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:29:08,113 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:29:08,114 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:29:08,115 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:29:08,115 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:29:08,117 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:29:08,118 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:29:08,119 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:29:08,120 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:29:08,121 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:29:08,123 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:29:08,123 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:29:08,123 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:29:08,124 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:29:08,125 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:29:08,126 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:29:08,126 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:29:08,127 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:29:08,128 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:29:08,128 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:29:08,128 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:29:08,129 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:29:08,129 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:29:08,130 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:29:08,130 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_282880b9-09d8-4eb1-aa83-4ae824b49e09/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 13:29:08,141 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:29:08,141 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:29:08,142 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:29:08,142 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:29:08,142 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 13:29:08,142 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 13:29:08,142 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 13:29:08,142 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 13:29:08,143 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 13:29:08,143 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 13:29:08,143 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 13:29:08,143 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 13:29:08,143 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 13:29:08,144 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:29:08,144 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:29:08,144 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:29:08,144 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:29:08,145 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:29:08,145 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:29:08,145 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:29:08,145 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:29:08,145 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:29:08,145 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:29:08,146 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:29:08,146 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:29:08,146 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:29:08,146 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:29:08,146 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:29:08,146 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:29:08,146 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:29:08,147 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:29:08,147 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:29:08,147 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:29:08,147 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 13:29:08,147 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:29:08,147 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 13:29:08,148 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 13:29:08,148 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_282880b9-09d8-4eb1-aa83-4ae824b49e09/bin-2019/utaipan 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 -> Taipan 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 -> 2b9d0a0d91195e42f3fdc78aff518a11cbbaa17c [2018-11-23 13:29:08,175 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:29:08,185 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:29:08,187 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:29:08,188 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:29:08,189 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:29:08,189 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_282880b9-09d8-4eb1-aa83-4ae824b49e09/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1091_true-unreach-call.c [2018-11-23 13:29:08,230 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_282880b9-09d8-4eb1-aa83-4ae824b49e09/bin-2019/utaipan/data/dd5256069/1a8b4a8ee113459e924a310ed22e4081/FLAG2c3ddb9b5 [2018-11-23 13:29:08,599 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:29:08,599 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_282880b9-09d8-4eb1-aa83-4ae824b49e09/sv-benchmarks/c/float-newlib/float_req_bl_1091_true-unreach-call.c [2018-11-23 13:29:08,604 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_282880b9-09d8-4eb1-aa83-4ae824b49e09/bin-2019/utaipan/data/dd5256069/1a8b4a8ee113459e924a310ed22e4081/FLAG2c3ddb9b5 [2018-11-23 13:29:09,029 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_282880b9-09d8-4eb1-aa83-4ae824b49e09/bin-2019/utaipan/data/dd5256069/1a8b4a8ee113459e924a310ed22e4081 [2018-11-23 13:29:09,032 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:29:09,034 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:29:09,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:29:09,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:29:09,038 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:29:09,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:29:09" (1/1) ... [2018-11-23 13:29:09,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dc6fddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:09, skipping insertion in model container [2018-11-23 13:29:09,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:29:09" (1/1) ... [2018-11-23 13:29:09,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:29:09,065 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:29:09,194 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:29:09,196 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:29:09,215 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:29:09,231 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:29:09,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:09 WrapperNode [2018-11-23 13:29:09,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:29:09,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:29:09,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:29:09,232 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:29:09,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:09" (1/1) ... [2018-11-23 13:29:09,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:09" (1/1) ... [2018-11-23 13:29:09,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:29:09,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:29:09,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:29:09,250 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:29:09,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:09" (1/1) ... [2018-11-23 13:29:09,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:09" (1/1) ... [2018-11-23 13:29:09,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:09" (1/1) ... [2018-11-23 13:29:09,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:09" (1/1) ... [2018-11-23 13:29:09,309 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:09" (1/1) ... [2018-11-23 13:29:09,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:09" (1/1) ... [2018-11-23 13:29:09,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:09" (1/1) ... [2018-11-23 13:29:09,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:29:09,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:29:09,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:29:09,318 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:29:09,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_282880b9-09d8-4eb1-aa83-4ae824b49e09/bin-2019/utaipan/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 13:29:09,357 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-23 13:29:09,357 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-23 13:29:09,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-23 13:29:09,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 13:29:09,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 13:29:09,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 13:29:09,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-23 13:29:09,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 13:29:09,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:29:09,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:29:09,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 13:29:09,358 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 13:29:09,358 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 13:29:09,359 INFO L130 BoogieDeclarations]: Found specification of procedure ceil_float [2018-11-23 13:29:09,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ceil_float [2018-11-23 13:29:09,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 13:29:09,551 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:29:09,551 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-23 13:29:09,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:29:09 BoogieIcfgContainer [2018-11-23 13:29:09,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:29:09,552 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:29:09,552 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:29:09,554 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:29:09,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:29:09" (1/3) ... [2018-11-23 13:29:09,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c25f6a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:29:09, skipping insertion in model container [2018-11-23 13:29:09,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:09" (2/3) ... [2018-11-23 13:29:09,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c25f6a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:29:09, skipping insertion in model container [2018-11-23 13:29:09,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:29:09" (3/3) ... [2018-11-23 13:29:09,557 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1091_true-unreach-call.c [2018-11-23 13:29:09,567 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:29:09,574 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 13:29:09,586 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 13:29:09,609 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:29:09,610 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 13:29:09,610 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:29:09,610 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:29:09,610 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:29:09,610 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:29:09,610 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:29:09,610 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:29:09,623 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2018-11-23 13:29:09,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 13:29:09,628 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:29:09,628 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 13:29:09,630 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:29:09,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:29:09,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1088803944, now seen corresponding path program 1 times [2018-11-23 13:29:09,636 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:29:09,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:29:09,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:29:09,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:29:09,673 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:29:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:29:09,740 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 13:29:09,742 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:29:09,742 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 13:29:09,743 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:29:09,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 13:29:09,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 13:29:09,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 13:29:09,760 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 2 states. [2018-11-23 13:29:09,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:29:09,775 INFO L93 Difference]: Finished difference Result 70 states and 96 transitions. [2018-11-23 13:29:09,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 13:29:09,777 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-11-23 13:29:09,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:29:09,785 INFO L225 Difference]: With dead ends: 70 [2018-11-23 13:29:09,785 INFO L226 Difference]: Without dead ends: 35 [2018-11-23 13:29:09,788 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 13:29:09,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-11-23 13:29:09,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-11-23 13:29:09,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-11-23 13:29:09,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 43 transitions. [2018-11-23 13:29:09,817 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 43 transitions. Word has length 22 [2018-11-23 13:29:09,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:29:09,818 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 43 transitions. [2018-11-23 13:29:09,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 13:29:09,818 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2018-11-23 13:29:09,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 13:29:09,818 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:29:09,818 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 13:29:09,819 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:29:09,819 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:29:09,819 INFO L82 PathProgramCache]: Analyzing trace with hash 1824817680, now seen corresponding path program 1 times [2018-11-23 13:29:09,819 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:29:09,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:29:09,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:29:09,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:29:09,820 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:29:09,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:29:09,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:29:09,891 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); VAL [|#NULL.base|=6442450950, |#NULL.offset|=6442450945, |old(#NULL.base)|=6442450950, |old(#NULL.offset)|=6442450945, |old(~huge_ceil~0)|=6442450947.0, ~huge_ceil~0=6442450947.0] [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~huge_ceil~0 := 1.0E30; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=6442450950, |old(#NULL.offset)|=6442450945, |old(~huge_ceil~0)|=6442450947.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] assume true; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=6442450950, |old(#NULL.offset)|=6442450945, |old(~huge_ceil~0)|=6442450947.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] RET #95#return; VAL [|#NULL.base|=0, |#NULL.offset|=0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] CALL call #t~ret6 := main(); VAL [|#NULL.base|=0, |#NULL.offset|=0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [|#NULL.base|=0, |#NULL.offset|=0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] CALL call #t~ret4 := ceil_float(~x~0); VAL [|#NULL.base|=0, |#NULL.offset|=0, |ceil_float_#in~x|=6442450949.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] ~x := #in~x;havoc ~i0~0;havoc ~j0~0;havoc ~i~0;havoc ~ix~0; VAL [ceil_float_~x=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |ceil_float_#in~x|=6442450949.0, ~huge_ceil~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~mem0;havoc #t~union1;call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset);havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [ceil_float_~i0~0=2147483647, ceil_float_~x=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |ceil_float_#in~x|=6442450949.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] goto; VAL [ceil_float_~i0~0=2147483647, ceil_float_~x=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |ceil_float_#in~x|=6442450949.0, ~huge_ceil~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 [ceil_float_~i0~0=2147483647, ceil_float_~ix~0=(- 18014397460905984), ceil_float_~j0~0=2147483646, ceil_float_~x=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |ceil_float_#in~x|=6442450949.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] assume !(~j0~0 < 23); VAL [ceil_float_~i0~0=2147483647, ceil_float_~ix~0=(- 18014397460905984), ceil_float_~j0~0=2147483646, ceil_float_~x=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |ceil_float_#in~x|=6442450949.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] assume !!(~ix~0 % 4294967296 < 2139095040);#res := ~x; VAL [ceil_float_~i0~0=2147483647, ceil_float_~ix~0=(- 18014397460905984), ceil_float_~j0~0=2147483646, ceil_float_~x=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |ceil_float_#in~x|=6442450949.0, |ceil_float_#res|=6442450949.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] assume true; VAL [ceil_float_~i0~0=2147483647, ceil_float_~ix~0=(- 18014397460905984), ceil_float_~j0~0=2147483646, ceil_float_~x=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |ceil_float_#in~x|=6442450949.0, |ceil_float_#res|=6442450949.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] RET #99#return; VAL [main_~x~0=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret4|=6442450949.0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] ~res~0 := #t~ret4;havoc #t~ret4; VAL [main_~res~0=6442450949.0, main_~x~0=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, ~huge_ceil~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_ceil~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_ceil~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_ceil~0=1000000000000000000000000000000.0] [?] RET #101#return; VAL [main_~res~0=6442450949.0, main_~x~0=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret5|=0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; VAL [main_~res~0=6442450949.0, main_~x~0=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret5|=0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] assume 0 == #t~ret5;havoc #t~ret5; VAL [main_~res~0=6442450949.0, main_~x~0=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] assume !false; VAL [main_~res~0=6442450949.0, main_~x~0=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, ~huge_ceil~0=1000000000000000000000000000000.0] [?] CALL call ULTIMATE.init(); VAL [#NULL.base=6442450950, #NULL.offset=6442450945, old(#NULL.base)=6442450950, old(#NULL.offset)=6442450945, old(~huge_ceil~0)=6.442450947E9, ~huge_ceil~0=6.442450947E9] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L11] ~huge_ceil~0 := 1.0E30; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450950, old(#NULL.offset)=6442450945, old(~huge_ceil~0)=6.442450947E9, ~huge_ceil~0=1.0E30] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450950, old(#NULL.offset)=6442450945, old(~huge_ceil~0)=6.442450947E9, ~huge_ceil~0=1.0E30] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30] [?] CALL call #t~ret6 := main(); VAL [#NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30] [L66] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [#NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30] [L68] CALL call #t~ret4 := ceil_float(~x~0); VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30] [L13-L54] ~x := #in~x; [L14] havoc ~i0~0; [L14] havoc ~j0~0; [L15] havoc ~i~0; [L15] havoc ~ix~0; VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~x=6.442450949E9] [L17] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L18] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L19] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L19] ~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L19] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L19] havoc #t~mem0; [L19] havoc #t~union1; [L17] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L17] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~x=6.442450949E9] [L21] ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); [L22] ~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=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L23-L47] assume !(~j0~0 < 23); VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L43-L46] assume !!(~ix~0 % 4294967296 < 2139095040); [L46] #res := ~x; VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, #res=6.442450949E9, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L13-L54] ensures true; VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, #res=6.442450949E9, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L68] RET call #t~ret4 := ceil_float(~x~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret4=6.442450949E9, ~huge_ceil~0=1.0E30, ~x~0=6.442450949E9] [L68] ~res~0 := #t~ret4; [L68] havoc #t~ret4; VAL [#NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L71] CALL call #t~ret5 := isnan_float(~res~0); VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30] [L57] ~x := #in~x; [L57] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, #res=0, ~huge_ceil~0=1.0E30, ~x=6.442450949E9] [L57] ensures true; VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, #res=0, ~huge_ceil~0=1.0E30, ~x=6.442450949E9] [L71] RET call #t~ret5 := isnan_float(~res~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret5=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L71] assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~ret5=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L71-L74] assume 0 == #t~ret5; [L71] havoc #t~ret5; VAL [#NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L72] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL.base=6442450950, #NULL.offset=6442450945, old(#NULL.base)=6442450950, old(#NULL.offset)=6442450945, old(~huge_ceil~0)=6.442450947E9, ~huge_ceil~0=6.442450947E9] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L11] ~huge_ceil~0 := 1.0E30; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450950, old(#NULL.offset)=6442450945, old(~huge_ceil~0)=6.442450947E9, ~huge_ceil~0=1.0E30] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450950, old(#NULL.offset)=6442450945, old(~huge_ceil~0)=6.442450947E9, ~huge_ceil~0=1.0E30] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30] [?] CALL call #t~ret6 := main(); VAL [#NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30] [L66] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [#NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30] [L68] CALL call #t~ret4 := ceil_float(~x~0); VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30] [L13-L54] ~x := #in~x; [L14] havoc ~i0~0; [L14] havoc ~j0~0; [L15] havoc ~i~0; [L15] havoc ~ix~0; VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~x=6.442450949E9] [L17] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L18] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L19] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L19] ~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L19] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L19] havoc #t~mem0; [L19] havoc #t~union1; [L17] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L17] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~x=6.442450949E9] [L21] ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); [L22] ~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=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L23-L47] assume !(~j0~0 < 23); VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L43-L46] assume !!(~ix~0 % 4294967296 < 2139095040); [L46] #res := ~x; VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, #res=6.442450949E9, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L13-L54] ensures true; VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, #res=6.442450949E9, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L68] RET call #t~ret4 := ceil_float(~x~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret4=6.442450949E9, ~huge_ceil~0=1.0E30, ~x~0=6.442450949E9] [L68] ~res~0 := #t~ret4; [L68] havoc #t~ret4; VAL [#NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L71] CALL call #t~ret5 := isnan_float(~res~0); VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30] [L57] ~x := #in~x; [L57] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, #res=0, ~huge_ceil~0=1.0E30, ~x=6.442450949E9] [L57] ensures true; VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, #res=0, ~huge_ceil~0=1.0E30, ~x=6.442450949E9] [L71] RET call #t~ret5 := isnan_float(~res~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret5=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L71] assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~ret5=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L71-L74] assume 0 == #t~ret5; [L71] havoc #t~ret5; VAL [#NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L72] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450950, #NULL!offset=6442450945, old(#NULL!base)=6442450950, old(#NULL!offset)=6442450945, old(~huge_ceil~0)=6.442450947E9, ~huge_ceil~0=6.442450947E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L11] ~huge_ceil~0 := 1.0E30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450950, old(#NULL!offset)=6442450945, old(~huge_ceil~0)=6.442450947E9, ~huge_ceil~0=1.0E30] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [?] CALL call #t~ret6 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L66] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L68] CALL call #t~ret4 := ceil_float(~x~0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L13-L54] ~x := #in~x; [L14] havoc ~i0~0; [L14] havoc ~j0~0; [L15] havoc ~i~0; [L15] havoc ~ix~0; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~x=6.442450949E9] [L17] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L18] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] ~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L19] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] havoc #t~mem0; [L19] havoc #t~union1; [L17] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L17] havoc ~#gf_u~0; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~x=6.442450949E9] [L21] ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); [L22] ~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=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L23] COND FALSE !(~j0~0 < 23) VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L43] COND FALSE !(!(~ix~0 % 4294967296 < 2139095040)) [L46] #res := ~x; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, #res=6.442450949E9, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L68] RET call #t~ret4 := ceil_float(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret4=6.442450949E9, ~huge_ceil~0=1.0E30, ~x~0=6.442450949E9] [L68] ~res~0 := #t~ret4; [L68] havoc #t~ret4; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L71] CALL call #t~ret5 := isnan_float(~res~0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L57] ~x := #in~x; [L57] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, #res=0, ~huge_ceil~0=1.0E30, ~x=6.442450949E9] [L71] RET call #t~ret5 := isnan_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L71] assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L71] COND TRUE 0 == #t~ret5 [L71] havoc #t~ret5; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L72] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450950, #NULL!offset=6442450945, old(#NULL!base)=6442450950, old(#NULL!offset)=6442450945, old(~huge_ceil~0)=6.442450947E9, ~huge_ceil~0=6.442450947E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L11] ~huge_ceil~0 := 1.0E30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450950, old(#NULL!offset)=6442450945, old(~huge_ceil~0)=6.442450947E9, ~huge_ceil~0=1.0E30] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [?] CALL call #t~ret6 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L66] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L68] CALL call #t~ret4 := ceil_float(~x~0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L13-L54] ~x := #in~x; [L14] havoc ~i0~0; [L14] havoc ~j0~0; [L15] havoc ~i~0; [L15] havoc ~ix~0; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~x=6.442450949E9] [L17] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L18] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] ~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L19] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] havoc #t~mem0; [L19] havoc #t~union1; [L17] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L17] havoc ~#gf_u~0; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~x=6.442450949E9] [L21] ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); [L22] ~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=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L23] COND FALSE !(~j0~0 < 23) VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L43] COND FALSE !(!(~ix~0 % 4294967296 < 2139095040)) [L46] #res := ~x; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, #res=6.442450949E9, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L68] RET call #t~ret4 := ceil_float(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret4=6.442450949E9, ~huge_ceil~0=1.0E30, ~x~0=6.442450949E9] [L68] ~res~0 := #t~ret4; [L68] havoc #t~ret4; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L71] CALL call #t~ret5 := isnan_float(~res~0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L57] ~x := #in~x; [L57] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, #res=0, ~huge_ceil~0=1.0E30, ~x=6.442450949E9] [L71] RET call #t~ret5 := isnan_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L71] assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L71] COND TRUE 0 == #t~ret5 [L71] havoc #t~ret5; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L72] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450950, #NULL!offset=6442450945, old(#NULL!base)=6442450950, old(#NULL!offset)=6442450945, old(~huge_ceil~0)=6.442450947E9, ~huge_ceil~0=6.442450947E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L11] ~huge_ceil~0 := 1.0E30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450950, old(#NULL!offset)=6442450945, old(~huge_ceil~0)=6.442450947E9, ~huge_ceil~0=1.0E30] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [?] CALL call #t~ret6 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L66] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L68] CALL call #t~ret4 := ceil_float(~x~0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L13-L54] ~x := #in~x; [L14] havoc ~i0~0; [L14] havoc ~j0~0; [L15] havoc ~i~0; [L15] havoc ~ix~0; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~x=6.442450949E9] [L17] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L18] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] ~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L19] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] havoc #t~mem0; [L19] havoc #t~union1; [L17] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L17] havoc ~#gf_u~0; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~x=6.442450949E9] [L21] ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); [L22] ~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=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L23] COND FALSE !(~j0~0 < 23) VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L43] COND FALSE !(!(~ix~0 % 4294967296 < 2139095040)) [L46] #res := ~x; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, #res=6.442450949E9, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L68] RET call #t~ret4 := ceil_float(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret4=6.442450949E9, ~huge_ceil~0=1.0E30, ~x~0=6.442450949E9] [L68] ~res~0 := #t~ret4; [L68] havoc #t~ret4; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L71] CALL call #t~ret5 := isnan_float(~res~0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L57] ~x := #in~x; [L57] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, #res=0, ~huge_ceil~0=1.0E30, ~x=6.442450949E9] [L71] RET call #t~ret5 := isnan_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L71] assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L71] COND TRUE 0 == #t~ret5 [L71] havoc #t~ret5; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L72] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450950, #NULL!offset=6442450945, old(#NULL!base)=6442450950, old(#NULL!offset)=6442450945, old(~huge_ceil~0)=6.442450947E9, ~huge_ceil~0=6.442450947E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L11] ~huge_ceil~0 := 1.0E30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450950, old(#NULL!offset)=6442450945, old(~huge_ceil~0)=6.442450947E9, ~huge_ceil~0=1.0E30] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [?] CALL call #t~ret6 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L66] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L68] CALL call #t~ret4 := ceil_float(~x~0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L13-L54] ~x := #in~x; [L14] havoc ~i0~0; [L14] havoc ~j0~0; [L15] havoc ~i~0; [L15] havoc ~ix~0; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~x=6.442450949E9] [L17] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L18] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] ~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L19] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] havoc #t~mem0; [L19] havoc #t~union1; [L17] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L17] havoc ~#gf_u~0; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~x=6.442450949E9] [L21] ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); [L22] ~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=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L23] COND FALSE !(~j0~0 < 23) VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L43] COND FALSE !(!(~ix~0 % 4294967296 < 2139095040)) [L46] #res := ~x; VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, #res=6.442450949E9, ~huge_ceil~0=1.0E30, ~i0~0=2147483647, ~ix~0=-18014397460905984, ~j0~0=2147483646, ~x=6.442450949E9] [L68] RET call #t~ret4 := ceil_float(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret4=6.442450949E9, ~huge_ceil~0=1.0E30, ~x~0=6.442450949E9] [L68] ~res~0 := #t~ret4; [L68] havoc #t~ret4; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L71] CALL call #t~ret5 := isnan_float(~res~0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30] [L57] ~x := #in~x; [L57] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, #res=0, ~huge_ceil~0=1.0E30, ~x=6.442450949E9] [L71] RET call #t~ret5 := isnan_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L71] assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L71] COND TRUE 0 == #t~ret5 [L71] havoc #t~ret5; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L72] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~huge_ceil~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450949E9] [L11] static const float huge_ceil = 1.0e30; VAL [\old(huge_ceil)=6442450947, huge_ceil=1000000000000000000000000000000] [L66] float x = 0.0f / 0.0f; VAL [huge_ceil=1000000000000000000000000000000] [L68] CALL, EXPR ceil_float(x) VAL [\old(x)=6442450949, huge_ceil=1000000000000000000000000000000] [L14] __int32_t i0, j0; [L15] __uint32_t i, ix; VAL [\old(x)=6442450949, huge_ceil=1000000000000000000000000000000, x=6442450949] [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (i0) = gf_u.word [L21] ix = (i0 & 0x7fffffff) [L22] j0 = (ix >> 23) - 0x7f VAL [\old(x)=6442450949, huge_ceil=1000000000000000000000000000000, i=-18014397460905984, i0=2147483647, j0=2147483646, x=6442450949] [L23] COND FALSE !(j0 < 23) VAL [\old(x)=6442450949, huge_ceil=1000000000000000000000000000000, i=-18014397460905984, i0=2147483647, j0=2147483646, x=6442450949] [L43] COND FALSE !(!((ix) < 0x7f800000L)) [L46] return x; VAL [\old(x)=6442450949, \result=6442450949, huge_ceil=1000000000000000000000000000000, i=-18014397460905984, i0=2147483647, j0=2147483646, x=6442450949] [L68] RET, EXPR ceil_float(x) VAL [ceil_float(x)=6442450949, huge_ceil=1000000000000000000000000000000, x=6442450949] [L68] float res = ceil_float(x); [L71] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450949, huge_ceil=1000000000000000000000000000000] [L57] return x != x; VAL [\old(x)=6442450949, \result=0, huge_ceil=1000000000000000000000000000000, x=6442450949] [L71] RET, EXPR isnan_float(res) VAL [huge_ceil=1000000000000000000000000000000, isnan_float(res)=0, res=6442450949, x=6442450949] [L71] COND TRUE !isnan_float(res) [L72] __VERIFIER_error() VAL [huge_ceil=1000000000000000000000000000000, res=6442450949, x=6442450949] ----- [2018-11-23 13:29:09,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:29:09 BoogieIcfgContainer [2018-11-23 13:29:09,928 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 13:29:09,929 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:29:09,929 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:29:09,929 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:29:09,930 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:29:09" (3/4) ... [2018-11-23 13:29:09,932 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 13:29:09,933 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:29:09,933 INFO L168 Benchmark]: Toolchain (without parser) took 900.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 953.8 MB in the beginning and 1.1 GB in the end (delta: -152.4 MB). Peak memory consumption was 4.9 MB. Max. memory is 11.5 GB. [2018-11-23 13:29:09,935 INFO L168 Benchmark]: CDTParser took 0.13 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 13:29:09,935 INFO L168 Benchmark]: CACSL2BoogieTranslator took 196.86 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 940.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 13:29:09,936 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.79 ms. Allocated memory is still 1.0 GB. Free memory is still 940.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:29:09,936 INFO L168 Benchmark]: Boogie Preprocessor took 67.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 940.3 MB in the beginning and 1.2 GB in the end (delta: -212.2 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-23 13:29:09,937 INFO L168 Benchmark]: RCFGBuilder took 234.25 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: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2018-11-23 13:29:09,937 INFO L168 Benchmark]: TraceAbstraction took 376.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2018-11-23 13:29:09,938 INFO L168 Benchmark]: Witness Printer took 3.99 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 13:29:09,940 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 196.86 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 940.3 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 17.79 ms. Allocated memory is still 1.0 GB. Free memory is still 940.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 67.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.3 MB). Free memory was 940.3 MB in the beginning and 1.2 GB in the end (delta: -212.2 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 234.25 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: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 376.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.99 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: 72]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 57, overapproximation of someBinaryArithmeticFLOAToperation at line 66, overapproximation of bitwiseAnd at line 21. Possible FailurePath: [L11] static const float huge_ceil = 1.0e30; VAL [\old(huge_ceil)=6442450947, huge_ceil=1000000000000000000000000000000] [L66] float x = 0.0f / 0.0f; VAL [huge_ceil=1000000000000000000000000000000] [L68] CALL, EXPR ceil_float(x) VAL [\old(x)=6442450949, huge_ceil=1000000000000000000000000000000] [L14] __int32_t i0, j0; [L15] __uint32_t i, ix; VAL [\old(x)=6442450949, huge_ceil=1000000000000000000000000000000, x=6442450949] [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (i0) = gf_u.word [L21] ix = (i0 & 0x7fffffff) [L22] j0 = (ix >> 23) - 0x7f VAL [\old(x)=6442450949, huge_ceil=1000000000000000000000000000000, i=-18014397460905984, i0=2147483647, j0=2147483646, x=6442450949] [L23] COND FALSE !(j0 < 23) VAL [\old(x)=6442450949, huge_ceil=1000000000000000000000000000000, i=-18014397460905984, i0=2147483647, j0=2147483646, x=6442450949] [L43] COND FALSE !(!((ix) < 0x7f800000L)) [L46] return x; VAL [\old(x)=6442450949, \result=6442450949, huge_ceil=1000000000000000000000000000000, i=-18014397460905984, i0=2147483647, j0=2147483646, x=6442450949] [L68] RET, EXPR ceil_float(x) VAL [ceil_float(x)=6442450949, huge_ceil=1000000000000000000000000000000, x=6442450949] [L68] float res = ceil_float(x); [L71] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450949, huge_ceil=1000000000000000000000000000000] [L57] return x != x; VAL [\old(x)=6442450949, \result=0, huge_ceil=1000000000000000000000000000000, x=6442450949] [L71] RET, EXPR isnan_float(res) VAL [huge_ceil=1000000000000000000000000000000, isnan_float(res)=0, res=6442450949, x=6442450949] [L71] COND TRUE !isnan_float(res) [L72] __VERIFIER_error() VAL [huge_ceil=1000000000000000000000000000000, res=6442450949, x=6442450949] - 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 13:29:11,651 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:29:11,652 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:29:11,662 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:29:11,663 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:29:11,664 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:29:11,665 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:29:11,666 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:29:11,667 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:29:11,668 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:29:11,669 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:29:11,669 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:29:11,669 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:29:11,670 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:29:11,671 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:29:11,673 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:29:11,673 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:29:11,675 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:29:11,677 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:29:11,678 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:29:11,679 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:29:11,680 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:29:11,682 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:29:11,682 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:29:11,683 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:29:11,684 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:29:11,685 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:29:11,685 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:29:11,686 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:29:11,687 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:29:11,687 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:29:11,688 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:29:11,689 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:29:11,689 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:29:11,690 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:29:11,691 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:29:11,691 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_282880b9-09d8-4eb1-aa83-4ae824b49e09/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-23 13:29:11,703 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:29:11,703 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:29:11,704 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:29:11,704 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:29:11,704 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 13:29:11,705 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 13:29:11,705 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 13:29:11,705 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 13:29:11,705 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 13:29:11,705 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 13:29:11,706 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:29:11,706 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:29:11,706 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:29:11,706 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:29:11,706 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:29:11,707 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:29:11,707 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:29:11,707 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 13:29:11,707 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 13:29:11,707 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:29:11,709 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:29:11,710 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:29:11,710 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:29:11,710 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:29:11,710 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:29:11,710 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:29:11,710 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:29:11,711 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:29:11,711 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:29:11,711 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:29:11,711 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:29:11,711 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 13:29:11,711 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:29:11,711 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 13:29:11,712 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 13:29:11,712 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_282880b9-09d8-4eb1-aa83-4ae824b49e09/bin-2019/utaipan 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 -> Taipan 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 -> 2b9d0a0d91195e42f3fdc78aff518a11cbbaa17c [2018-11-23 13:29:11,748 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:29:11,759 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:29:11,762 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:29:11,764 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:29:11,764 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:29:11,765 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_282880b9-09d8-4eb1-aa83-4ae824b49e09/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1091_true-unreach-call.c [2018-11-23 13:29:11,814 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_282880b9-09d8-4eb1-aa83-4ae824b49e09/bin-2019/utaipan/data/80dbdc88f/67d94b7b3f6d40c3a2483614137f959a/FLAG28e6a7a36 [2018-11-23 13:29:12,143 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:29:12,144 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_282880b9-09d8-4eb1-aa83-4ae824b49e09/sv-benchmarks/c/float-newlib/float_req_bl_1091_true-unreach-call.c [2018-11-23 13:29:12,148 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_282880b9-09d8-4eb1-aa83-4ae824b49e09/bin-2019/utaipan/data/80dbdc88f/67d94b7b3f6d40c3a2483614137f959a/FLAG28e6a7a36 [2018-11-23 13:29:12,158 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_282880b9-09d8-4eb1-aa83-4ae824b49e09/bin-2019/utaipan/data/80dbdc88f/67d94b7b3f6d40c3a2483614137f959a [2018-11-23 13:29:12,160 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:29:12,161 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:29:12,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:29:12,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:29:12,165 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:29:12,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:29:12" (1/1) ... [2018-11-23 13:29:12,167 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 01:29:12, skipping insertion in model container [2018-11-23 13:29:12,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:29:12" (1/1) ... [2018-11-23 13:29:12,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:29:12,190 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:29:12,320 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:29:12,323 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:29:12,343 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:29:12,360 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:29:12,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:12 WrapperNode [2018-11-23 13:29:12,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:29:12,361 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:29:12,361 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:29:12,361 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:29:12,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:12" (1/1) ... [2018-11-23 13:29:12,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:12" (1/1) ... [2018-11-23 13:29:12,381 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:29:12,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:29:12,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:29:12,381 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:29:12,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:12" (1/1) ... [2018-11-23 13:29:12,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:12" (1/1) ... [2018-11-23 13:29:12,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:12" (1/1) ... [2018-11-23 13:29:12,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:12" (1/1) ... [2018-11-23 13:29:12,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:12" (1/1) ... [2018-11-23 13:29:12,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:12" (1/1) ... [2018-11-23 13:29:12,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:12" (1/1) ... [2018-11-23 13:29:12,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:29:12,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:29:12,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:29:12,414 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:29:12,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_282880b9-09d8-4eb1-aa83-4ae824b49e09/bin-2019/utaipan/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 13:29:12,514 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-23 13:29:12,514 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-23 13:29:12,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 13:29:12,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 13:29:12,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 13:29:12,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 13:29:12,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:29:12,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:29:12,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-23 13:29:12,515 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 13:29:12,515 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 13:29:12,516 INFO L130 BoogieDeclarations]: Found specification of procedure ceil_float [2018-11-23 13:29:12,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ceil_float [2018-11-23 13:29:12,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-23 13:29:12,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 13:29:12,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 13:29:13,041 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:29:13,041 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-23 13:29:13,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:29:13 BoogieIcfgContainer [2018-11-23 13:29:13,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:29:13,042 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:29:13,043 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:29:13,045 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:29:13,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:29:12" (1/3) ... [2018-11-23 13:29:13,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@296e40cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:29:13, skipping insertion in model container [2018-11-23 13:29:13,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:12" (2/3) ... [2018-11-23 13:29:13,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@296e40cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:29:13, skipping insertion in model container [2018-11-23 13:29:13,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:29:13" (3/3) ... [2018-11-23 13:29:13,049 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1091_true-unreach-call.c [2018-11-23 13:29:13,059 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:29:13,067 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 13:29:13,077 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 13:29:13,100 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 13:29:13,101 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:29:13,101 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 13:29:13,101 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:29:13,101 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:29:13,101 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:29:13,101 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:29:13,101 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:29:13,101 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:29:13,115 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2018-11-23 13:29:13,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 13:29:13,120 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:29:13,121 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 13:29:13,122 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:29:13,126 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:29:13,127 INFO L82 PathProgramCache]: Analyzing trace with hash 440212005, now seen corresponding path program 1 times [2018-11-23 13:29:13,130 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 13:29:13,130 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_282880b9-09d8-4eb1-aa83-4ae824b49e09/bin-2019/utaipan/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 13:29:13,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:29:13,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:29:13,199 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:29:13,213 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 13:29:13,213 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 13:29:13,222 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:29:13,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 13:29:13,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 13:29:13,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 13:29:13,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 13:29:13,236 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 2 states. [2018-11-23 13:29:13,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:29:13,256 INFO L93 Difference]: Finished difference Result 68 states and 94 transitions. [2018-11-23 13:29:13,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 13:29:13,257 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-11-23 13:29:13,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:29:13,268 INFO L225 Difference]: With dead ends: 68 [2018-11-23 13:29:13,269 INFO L226 Difference]: Without dead ends: 34 [2018-11-23 13:29:13,271 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 13:29:13,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-11-23 13:29:13,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-11-23 13:29:13,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-23 13:29:13,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2018-11-23 13:29:13,302 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 42 transitions. Word has length 21 [2018-11-23 13:29:13,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:29:13,302 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 42 transitions. [2018-11-23 13:29:13,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 13:29:13,303 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2018-11-23 13:29:13,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 13:29:13,303 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:29:13,304 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 13:29:13,304 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:29:13,304 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:29:13,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1644236608, now seen corresponding path program 1 times [2018-11-23 13:29:13,305 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 13:29:13,305 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_282880b9-09d8-4eb1-aa83-4ae824b49e09/bin-2019/utaipan/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 13:29:13,310 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:29:13,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:29:13,367 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:29:13,945 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 13:29:13,945 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 13:29:13,954 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:29:13,954 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 13:29:13,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 13:29:13,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 13:29:13,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 13:29:13,956 INFO L87 Difference]: Start difference. First operand 34 states and 42 transitions. Second operand 9 states. [2018-11-23 13:29:14,507 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-23 13:29:15,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:29:15,786 INFO L93 Difference]: Finished difference Result 43 states and 51 transitions. [2018-11-23 13:29:15,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 13:29:15,786 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-11-23 13:29:15,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:29:15,788 INFO L225 Difference]: With dead ends: 43 [2018-11-23 13:29:15,788 INFO L226 Difference]: Without dead ends: 36 [2018-11-23 13:29:15,789 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-23 13:29:15,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-11-23 13:29:15,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 34. [2018-11-23 13:29:15,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-23 13:29:15,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 41 transitions. [2018-11-23 13:29:15,795 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 41 transitions. Word has length 22 [2018-11-23 13:29:15,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:29:15,796 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 41 transitions. [2018-11-23 13:29:15,796 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 13:29:15,796 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2018-11-23 13:29:15,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 13:29:15,797 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:29:15,797 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 13:29:15,797 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:29:15,797 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:29:15,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1840750113, now seen corresponding path program 1 times [2018-11-23 13:29:15,798 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 13:29:15,798 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_282880b9-09d8-4eb1-aa83-4ae824b49e09/bin-2019/utaipan/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 13:29:15,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:29:15,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:29:15,832 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:29:15,933 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 13:29:15,933 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 13:29:15,942 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:29:15,943 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 13:29:15,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 13:29:15,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 13:29:15,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 13:29:15,944 INFO L87 Difference]: Start difference. First operand 34 states and 41 transitions. Second operand 9 states. [2018-11-23 13:29:16,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:29:16,437 INFO L93 Difference]: Finished difference Result 41 states and 48 transitions. [2018-11-23 13:29:16,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 13:29:16,438 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-11-23 13:29:16,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:29:16,439 INFO L225 Difference]: With dead ends: 41 [2018-11-23 13:29:16,439 INFO L226 Difference]: Without dead ends: 33 [2018-11-23 13:29:16,440 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 13:29:16,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-11-23 13:29:16,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-11-23 13:29:16,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-23 13:29:16,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2018-11-23 13:29:16,444 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 22 [2018-11-23 13:29:16,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:29:16,444 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2018-11-23 13:29:16,444 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 13:29:16,444 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2018-11-23 13:29:16,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 13:29:16,445 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:29:16,445 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 13:29:16,445 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:29:16,445 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:29:16,445 INFO L82 PathProgramCache]: Analyzing trace with hash -580032546, now seen corresponding path program 1 times [2018-11-23 13:29:16,446 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 13:29:16,446 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_282880b9-09d8-4eb1-aa83-4ae824b49e09/bin-2019/utaipan/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 13:29:16,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:29:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:29:16,510 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:29:16,617 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 13:29:16,617 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 13:29:16,632 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:29:16,632 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 13:29:16,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 13:29:16,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 13:29:16,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 13:29:16,633 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. Second operand 7 states. [2018-11-23 13:29:17,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:29:17,278 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2018-11-23 13:29:17,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 13:29:17,279 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-11-23 13:29:17,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:29:17,279 INFO L225 Difference]: With dead ends: 39 [2018-11-23 13:29:17,280 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 13:29:17,280 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2018-11-23 13:29:17,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 13:29:17,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 13:29:17,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 13:29:17,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 13:29:17,281 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-11-23 13:29:17,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:29:17,281 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 13:29:17,281 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 13:29:17,281 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:29:17,282 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:29:17,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 13:29:17,361 INFO L448 ceAbstractionStarter]: For program point isnan_floatFINAL(line 57) no Hoare annotation was computed. [2018-11-23 13:29:17,361 INFO L451 ceAbstractionStarter]: At program point isnan_floatENTRY(line 57) the Hoare annotation is: true [2018-11-23 13:29:17,362 INFO L448 ceAbstractionStarter]: For program point isnan_floatEXIT(line 57) no Hoare annotation was computed. [2018-11-23 13:29:17,362 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:29:17,362 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 13:29:17,362 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:29:17,362 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:29:17,362 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 13:29:17,362 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 13:29:17,362 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:29:17,363 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 59 77) the Hoare annotation is: true [2018-11-23 13:29:17,363 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 72) no Hoare annotation was computed. [2018-11-23 13:29:17,363 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 59 77) no Hoare annotation was computed. [2018-11-23 13:29:17,363 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 59 77) no Hoare annotation was computed. [2018-11-23 13:29:17,363 INFO L448 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2018-11-23 13:29:17,363 INFO L444 ceAbstractionStarter]: At program point L71(line 71) 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 13:29:17,363 INFO L448 ceAbstractionStarter]: For program point L71-1(lines 71 74) no Hoare annotation was computed. [2018-11-23 13:29:17,364 INFO L444 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24))) [2018-11-23 13:29:17,364 INFO L448 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2018-11-23 13:29:17,364 INFO L448 ceAbstractionStarter]: For program point L23(lines 23 47) no Hoare annotation was computed. [2018-11-23 13:29:17,364 INFO L448 ceAbstractionStarter]: For program point L48(lines 48 52) no Hoare annotation was computed. [2018-11-23 13:29:17,364 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 13 54) no Hoare annotation was computed. [2018-11-23 13:29:17,364 INFO L448 ceAbstractionStarter]: For program point L48-2(lines 48 52) no Hoare annotation was computed. [2018-11-23 13:29:17,364 INFO L448 ceAbstractionStarter]: For program point L36(lines 36 40) no Hoare annotation was computed. [2018-11-23 13:29:17,364 INFO L451 ceAbstractionStarter]: At program point ceil_floatENTRY(lines 13 54) the Hoare annotation is: true [2018-11-23 13:29:17,364 INFO L448 ceAbstractionStarter]: For program point L28(lines 28 30) no Hoare annotation was computed. [2018-11-23 13:29:17,365 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 41) no Hoare annotation was computed. [2018-11-23 13:29:17,365 INFO L448 ceAbstractionStarter]: For program point ceil_floatFINAL(lines 13 54) no Hoare annotation was computed. [2018-11-23 13:29:17,365 INFO L448 ceAbstractionStarter]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2018-11-23 13:29:17,365 INFO L444 ceAbstractionStarter]: At program point L16-2(lines 16 20) the Hoare annotation is: (= |ceil_float_#in~x| ceil_float_~x) [2018-11-23 13:29:17,365 INFO L448 ceAbstractionStarter]: For program point L16-3(lines 16 20) no Hoare annotation was computed. [2018-11-23 13:29:17,365 INFO L448 ceAbstractionStarter]: For program point L37(lines 37 38) no Hoare annotation was computed. [2018-11-23 13:29:17,365 INFO L448 ceAbstractionStarter]: For program point ceil_floatEXIT(lines 13 54) no Hoare annotation was computed. [2018-11-23 13:29:17,365 INFO L448 ceAbstractionStarter]: For program point L37-2(lines 37 38) no Hoare annotation was computed. [2018-11-23 13:29:17,365 INFO L448 ceAbstractionStarter]: For program point L25(lines 25 31) no Hoare annotation was computed. [2018-11-23 13:29:17,366 INFO L448 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-11-23 13:29:17,366 INFO L448 ceAbstractionStarter]: For program point L26(lines 26 30) no Hoare annotation was computed. [2018-11-23 13:29:17,366 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 46) no Hoare annotation was computed. [2018-11-23 13:29:17,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:29:17 BoogieIcfgContainer [2018-11-23 13:29:17,375 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 13:29:17,375 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:29:17,375 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:29:17,376 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:29:17,376 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:29:13" (3/4) ... [2018-11-23 13:29:17,378 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 13:29:17,383 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-11-23 13:29:17,383 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 13:29:17,383 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 13:29:17,383 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ceil_float [2018-11-23 13:29:17,387 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-23 13:29:17,387 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-23 13:29:17,387 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 13:29:17,406 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-23 13:29:17,424 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_282880b9-09d8-4eb1-aa83-4ae824b49e09/bin-2019/utaipan/witness.graphml [2018-11-23 13:29:17,424 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:29:17,425 INFO L168 Benchmark]: Toolchain (without parser) took 5264.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 949.7 MB in the beginning and 952.9 MB in the end (delta: -3.2 MB). Peak memory consumption was 141.5 MB. Max. memory is 11.5 GB. [2018-11-23 13:29:17,426 INFO L168 Benchmark]: CDTParser took 0.18 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 13:29:17,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 198.60 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 932.5 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-11-23 13:29:17,426 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.01 ms. Allocated memory is still 1.0 GB. Free memory is still 932.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:29:17,427 INFO L168 Benchmark]: Boogie Preprocessor took 32.40 ms. Allocated memory is still 1.0 GB. Free memory is still 932.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:29:17,427 INFO L168 Benchmark]: RCFGBuilder took 627.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 932.5 MB in the beginning and 1.1 GB in the end (delta: -179.5 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-11-23 13:29:17,427 INFO L168 Benchmark]: TraceAbstraction took 4332.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 959.8 MB in the end (delta: 152.2 MB). Peak memory consumption was 152.2 MB. Max. memory is 11.5 GB. [2018-11-23 13:29:17,428 INFO L168 Benchmark]: Witness Printer took 49.01 ms. Allocated memory is still 1.2 GB. Free memory was 959.8 MB in the beginning and 952.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-23 13:29:17,430 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 198.60 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 932.5 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.01 ms. Allocated memory is still 1.0 GB. Free memory is still 932.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.40 ms. Allocated memory is still 1.0 GB. Free memory is still 932.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 627.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 932.5 MB in the beginning and 1.1 GB in the end (delta: -179.5 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4332.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 959.8 MB in the end (delta: 152.2 MB). Peak memory consumption was 152.2 MB. Max. memory is 11.5 GB. * Witness Printer took 49.01 ms. Allocated memory is still 1.2 GB. Free memory was 959.8 MB in the beginning and 952.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 72]: 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: 16]: Loop Invariant Derived loop invariant: \old(x) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 38 locations, 1 error locations. SAFE Result, 4.2s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 3.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 122 SDtfs, 108 SDslu, 423 SDs, 0 SdLazy, 221 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 100 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.5s 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, 0.8s 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...