./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1012b_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_b0684120-5161-40c9-ae32-a454da206492/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b0684120-5161-40c9-ae32-a454da206492/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b0684120-5161-40c9-ae32-a454da206492/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b0684120-5161-40c9-ae32-a454da206492/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1012b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b0684120-5161-40c9-ae32-a454da206492/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b0684120-5161-40c9-ae32-a454da206492/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bc9c2d8006a021647ffc0d9b742af3213165b422 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_b0684120-5161-40c9-ae32-a454da206492/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b0684120-5161-40c9-ae32-a454da206492/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b0684120-5161-40c9-ae32-a454da206492/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b0684120-5161-40c9-ae32-a454da206492/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1012b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b0684120-5161-40c9-ae32-a454da206492/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b0684120-5161-40c9-ae32-a454da206492/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bc9c2d8006a021647ffc0d9b742af3213165b422 ....................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 02:31:25,083 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 02:31:25,084 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 02:31:25,093 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 02:31:25,093 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 02:31:25,094 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 02:31:25,094 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 02:31:25,096 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 02:31:25,097 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 02:31:25,097 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 02:31:25,098 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 02:31:25,098 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 02:31:25,099 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 02:31:25,099 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 02:31:25,100 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 02:31:25,100 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 02:31:25,101 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 02:31:25,102 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 02:31:25,103 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 02:31:25,105 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 02:31:25,105 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 02:31:25,106 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 02:31:25,108 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 02:31:25,108 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 02:31:25,108 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 02:31:25,109 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 02:31:25,109 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 02:31:25,110 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 02:31:25,110 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 02:31:25,111 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 02:31:25,111 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 02:31:25,112 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 02:31:25,112 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 02:31:25,112 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 02:31:25,113 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 02:31:25,113 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 02:31:25,113 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b0684120-5161-40c9-ae32-a454da206492/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 02:31:25,122 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 02:31:25,122 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 02:31:25,123 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 02:31:25,123 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 02:31:25,123 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 02:31:25,123 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 02:31:25,123 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 02:31:25,124 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 02:31:25,124 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 02:31:25,124 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 02:31:25,124 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 02:31:25,124 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 02:31:25,124 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 02:31:25,125 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 02:31:25,125 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 02:31:25,125 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 02:31:25,125 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 02:31:25,125 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 02:31:25,125 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 02:31:25,126 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 02:31:25,126 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 02:31:25,126 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 02:31:25,126 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 02:31:25,126 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:31:25,126 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 02:31:25,126 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 02:31:25,127 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 02:31:25,127 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 02:31:25,127 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 02:31:25,127 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 02:31:25,127 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_b0684120-5161-40c9-ae32-a454da206492/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc9c2d8006a021647ffc0d9b742af3213165b422 [2018-11-23 02:31:25,152 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 02:31:25,161 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 02:31:25,164 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 02:31:25,165 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 02:31:25,165 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 02:31:25,166 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b0684120-5161-40c9-ae32-a454da206492/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1012b_true-unreach-call.c [2018-11-23 02:31:25,212 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b0684120-5161-40c9-ae32-a454da206492/bin-2019/uautomizer/data/a8d52a04b/9ad0c0f9fa0f4edb90d36b4702b59703/FLAG84e9b6183 [2018-11-23 02:31:25,535 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 02:31:25,536 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b0684120-5161-40c9-ae32-a454da206492/sv-benchmarks/c/float-newlib/float_req_bl_1012b_true-unreach-call.c [2018-11-23 02:31:25,540 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b0684120-5161-40c9-ae32-a454da206492/bin-2019/uautomizer/data/a8d52a04b/9ad0c0f9fa0f4edb90d36b4702b59703/FLAG84e9b6183 [2018-11-23 02:31:25,967 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b0684120-5161-40c9-ae32-a454da206492/bin-2019/uautomizer/data/a8d52a04b/9ad0c0f9fa0f4edb90d36b4702b59703 [2018-11-23 02:31:25,969 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 02:31:25,970 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 02:31:25,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 02:31:25,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 02:31:25,973 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 02:31:25,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:31:25" (1/1) ... [2018-11-23 02:31:25,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f243bba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:25, skipping insertion in model container [2018-11-23 02:31:25,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:31:25" (1/1) ... [2018-11-23 02:31:25,982 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 02:31:25,995 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 02:31:26,104 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:31:26,105 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 02:31:26,119 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:31:26,132 INFO L195 MainTranslator]: Completed translation [2018-11-23 02:31:26,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:26 WrapperNode [2018-11-23 02:31:26,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 02:31:26,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 02:31:26,133 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 02:31:26,133 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 02:31:26,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:26" (1/1) ... [2018-11-23 02:31:26,146 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:26" (1/1) ... [2018-11-23 02:31:26,151 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 02:31:26,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 02:31:26,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 02:31:26,152 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 02:31:26,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:26" (1/1) ... [2018-11-23 02:31:26,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:26" (1/1) ... [2018-11-23 02:31:26,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:26" (1/1) ... [2018-11-23 02:31:26,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:26" (1/1) ... [2018-11-23 02:31:26,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:26" (1/1) ... [2018-11-23 02:31:26,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:26" (1/1) ... [2018-11-23 02:31:26,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:26" (1/1) ... [2018-11-23 02:31:26,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 02:31:26,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 02:31:26,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 02:31:26,169 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 02:31:26,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b0684120-5161-40c9-ae32-a454da206492/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:31:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-23 02:31:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 02:31:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-11-23 02:31:26,248 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-11-23 02:31:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 02:31:26,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 02:31:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-23 02:31:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 02:31:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-23 02:31:26,248 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-23 02:31:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 02:31:26,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 02:31:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 02:31:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 02:31:26,249 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 02:31:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 02:31:26,416 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 02:31:26,416 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-23 02:31:26,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:31:26 BoogieIcfgContainer [2018-11-23 02:31:26,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 02:31:26,417 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 02:31:26,417 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 02:31:26,419 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 02:31:26,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:31:25" (1/3) ... [2018-11-23 02:31:26,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69ad37ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:31:26, skipping insertion in model container [2018-11-23 02:31:26,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:26" (2/3) ... [2018-11-23 02:31:26,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69ad37ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:31:26, skipping insertion in model container [2018-11-23 02:31:26,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:31:26" (3/3) ... [2018-11-23 02:31:26,425 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1012b_true-unreach-call.c [2018-11-23 02:31:26,431 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 02:31:26,437 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 02:31:26,447 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 02:31:26,467 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 02:31:26,468 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 02:31:26,468 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 02:31:26,468 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 02:31:26,468 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 02:31:26,468 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 02:31:26,468 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 02:31:26,468 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 02:31:26,469 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 02:31:26,481 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2018-11-23 02:31:26,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 02:31:26,486 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:31:26,486 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:31:26,488 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:31:26,492 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:31:26,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1978899259, now seen corresponding path program 1 times [2018-11-23 02:31:26,493 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:31:26,494 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:31:26,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:31:26,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:31:26,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:31:26,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:31:26,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:31:26,587 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:31:26,587 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 02:31:26,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 02:31:26,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 02:31:26,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 02:31:26,601 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 2 states. [2018-11-23 02:31:26,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:31:26,614 INFO L93 Difference]: Finished difference Result 54 states and 67 transitions. [2018-11-23 02:31:26,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 02:31:26,615 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-11-23 02:31:26,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:31:26,620 INFO L225 Difference]: With dead ends: 54 [2018-11-23 02:31:26,621 INFO L226 Difference]: Without dead ends: 27 [2018-11-23 02:31:26,623 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 02:31:26,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-11-23 02:31:26,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-11-23 02:31:26,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-11-23 02:31:26,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2018-11-23 02:31:26,647 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 23 [2018-11-23 02:31:26,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:31:26,648 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2018-11-23 02:31:26,648 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 02:31:26,648 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2018-11-23 02:31:26,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 02:31:26,648 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:31:26,648 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:31:26,649 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:31:26,649 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:31:26,649 INFO L82 PathProgramCache]: Analyzing trace with hash 749195959, now seen corresponding path program 1 times [2018-11-23 02:31:26,649 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 02:31:26,649 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 02:31:26,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:31:26,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:31:26,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 02:31:26,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 02:31:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 02:31:26,726 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); VAL [|#NULL.base|=6442450947, |#NULL.offset|=6442450945, |old(#NULL.base)|=6442450947, |old(#NULL.offset)|=6442450945] [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=6442450947, |old(#NULL.offset)|=6442450945] [?] assume true; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=6442450947, |old(#NULL.offset)|=6442450945] [?] RET #59#return; VAL [|#NULL.base|=0, |#NULL.offset|=0] [?] CALL call #t~ret8 := main(); VAL [|#NULL.base|=0, |#NULL.offset|=0] [?] ~x~0 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(1.0), 0.0); VAL [|#NULL.base|=0, |#NULL.offset|=0] [?] CALL call #t~ret6 := fabs_float(~x~0); VAL [|#NULL.base|=0, |#NULL.offset|=0, |fabs_float_#in~x|=6442450955.0] [?] ~x := #in~x;havoc ~ix~0; VAL [fabs_float_~x=6442450955.0, |#NULL.base|=0, |#NULL.offset|=0, |fabs_float_#in~x|=6442450955.0] [?] 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);~ix~0 := #t~mem0;call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4);havoc #t~union1;havoc #t~mem0;call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset);havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [fabs_float_~ix~0=6442450954, fabs_float_~x=6442450955.0, |#NULL.base|=0, |#NULL.offset|=0, |fabs_float_#in~x|=6442450955.0] [?] goto; VAL [fabs_float_~ix~0=6442450954, fabs_float_~x=6442450955.0, |#NULL.base|=0, |#NULL.offset|=0, |fabs_float_#in~x|=6442450955.0] [?] call ~#sf_u~0.base, ~#sf_u~0.offset := #Ultimate.alloc(4);call write~int(~bitwiseAnd(~ix~0, 2147483647), ~#sf_u~0.base, ~#sf_u~0.offset, 4);call #t~mem2 := read~real(~#sf_u~0.base, ~#sf_u~0.offset, 4);~x := #t~mem2;call write~int(#t~union3, ~#sf_u~0.base, ~#sf_u~0.offset, 4);havoc #t~union3;havoc #t~mem2;call ULTIMATE.dealloc(~#sf_u~0.base, ~#sf_u~0.offset);havoc ~#sf_u~0.base, ~#sf_u~0.offset; VAL [fabs_float_~ix~0=6442450954, fabs_float_~x=6442450948.0, |#NULL.base|=0, |#NULL.offset|=0, |fabs_float_#in~x|=6442450955.0] [?] goto; VAL [fabs_float_~ix~0=6442450954, fabs_float_~x=6442450948.0, |#NULL.base|=0, |#NULL.offset|=0, |fabs_float_#in~x|=6442450955.0] [?] #res := ~x; VAL [fabs_float_~ix~0=6442450954, fabs_float_~x=6442450948.0, |#NULL.base|=0, |#NULL.offset|=0, |fabs_float_#in~x|=6442450955.0, |fabs_float_#res|=6442450948.0] [?] assume true; VAL [fabs_float_~ix~0=6442450954, fabs_float_~x=6442450948.0, |#NULL.base|=0, |#NULL.offset|=0, |fabs_float_#in~x|=6442450955.0, |fabs_float_#res|=6442450948.0] [?] RET #63#return; VAL [main_~x~0=6442450955.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret6|=6442450948.0] [?] ~res~0 := #t~ret6;havoc #t~ret6; VAL [main_~res~0=6442450948.0, main_~x~0=6442450955.0, |#NULL.base|=0, |#NULL.offset|=0] [?] CALL call #t~ret7 := isinf_float(~res~0); VAL [|#NULL.base|=0, |#NULL.offset|=0, |isinf_float_#in~x|=6442450948.0] [?] ~x := #in~x;havoc ~ix~1; VAL [isinf_float_~x=6442450948.0, |#NULL.base|=0, |#NULL.offset|=0, |isinf_float_#in~x|=6442450948.0] [?] call ~#gf_u~1.base, ~#gf_u~1.offset := #Ultimate.alloc(4);call write~real(~x, ~#gf_u~1.base, ~#gf_u~1.offset, 4);call #t~mem4 := read~int(~#gf_u~1.base, ~#gf_u~1.offset, 4);~ix~1 := (if #t~mem4 % 4294967296 % 4294967296 <= 2147483647 then #t~mem4 % 4294967296 % 4294967296 else #t~mem4 % 4294967296 % 4294967296 - 4294967296);call write~real(#t~union5, ~#gf_u~1.base, ~#gf_u~1.offset, 4);havoc #t~mem4;havoc #t~union5;call ULTIMATE.dealloc(~#gf_u~1.base, ~#gf_u~1.offset);havoc ~#gf_u~1.base, ~#gf_u~1.offset; VAL [isinf_float_~ix~1=(- 2147483648), isinf_float_~x=6442450948.0, |#NULL.base|=0, |#NULL.offset|=0, |isinf_float_#in~x|=6442450948.0] [?] goto; VAL [isinf_float_~ix~1=(- 2147483648), isinf_float_~x=6442450948.0, |#NULL.base|=0, |#NULL.offset|=0, |isinf_float_#in~x|=6442450948.0] [?] ~ix~1 := ~bitwiseAnd(~ix~1, 2147483647);#res := (if 2139095040 == ~ix~1 then 1 else 0); VAL [isinf_float_~ix~1=0, isinf_float_~x=6442450948.0, |#NULL.base|=0, |#NULL.offset|=0, |isinf_float_#in~x|=6442450948.0, |isinf_float_#res|=0] [?] assume true; VAL [isinf_float_~ix~1=0, isinf_float_~x=6442450948.0, |#NULL.base|=0, |#NULL.offset|=0, |isinf_float_#in~x|=6442450948.0, |isinf_float_#res|=0] [?] RET #65#return; VAL [main_~res~0=6442450948.0, main_~x~0=6442450955.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret7|=0] [?] assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; VAL [main_~res~0=6442450948.0, main_~x~0=6442450955.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret7|=0] [?] assume 0 == #t~ret7;havoc #t~ret7; VAL [main_~res~0=6442450948.0, main_~x~0=6442450955.0, |#NULL.base|=0, |#NULL.offset|=0] [?] assume !false; VAL [main_~res~0=6442450948.0, main_~x~0=6442450955.0, |#NULL.base|=0, |#NULL.offset|=0] [?] CALL call ULTIMATE.init(); VAL [#NULL.base=6442450947, #NULL.offset=6442450945, old(#NULL.base)=6442450947, old(#NULL.offset)=6442450945] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450947, old(#NULL.offset)=6442450945] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450947, old(#NULL.offset)=6442450945] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0] [?] CALL call #t~ret8 := main(); VAL [#NULL.base=0, #NULL.offset=0] [L46] ~x~0 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(1.0), 0.0); VAL [#NULL.base=0, #NULL.offset=0] [L47] CALL call #t~ret6 := fabs_float(~x~0); VAL [#in~x=6.442450955E9, #NULL.base=0, #NULL.offset=0] [L11-L24] ~x := #in~x; [L12] havoc ~ix~0; VAL [#in~x=6.442450955E9, #NULL.base=0, #NULL.offset=0, ~x=6.442450955E9] [L14] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L15] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L16] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L16] ~ix~0 := #t~mem0; [L16] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L16] havoc #t~union1; [L16] havoc #t~mem0; [L14] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L14] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=6.442450955E9, #NULL.base=0, #NULL.offset=0, ~ix~0=6442450954, ~x=6.442450955E9] [L19] call ~#sf_u~0.base, ~#sf_u~0.offset := #Ultimate.alloc(4); [L20] call write~int(~bitwiseAnd(~ix~0, 2147483647), ~#sf_u~0.base, ~#sf_u~0.offset, 4); [L21] call #t~mem2 := read~real(~#sf_u~0.base, ~#sf_u~0.offset, 4); [L21] ~x := #t~mem2; [L21] call write~int(#t~union3, ~#sf_u~0.base, ~#sf_u~0.offset, 4); [L21] havoc #t~union3; [L21] havoc #t~mem2; [L19] call ULTIMATE.dealloc(~#sf_u~0.base, ~#sf_u~0.offset); [L19] havoc ~#sf_u~0.base, ~#sf_u~0.offset; VAL [#in~x=6.442450955E9, #NULL.base=0, #NULL.offset=0, ~ix~0=6442450954, ~x=6.442450948E9] [L23] #res := ~x; VAL [#in~x=6.442450955E9, #NULL.base=0, #NULL.offset=0, #res=6.442450948E9, ~ix~0=6442450954, ~x=6.442450948E9] [L11-L24] ensures true; VAL [#in~x=6.442450955E9, #NULL.base=0, #NULL.offset=0, #res=6.442450948E9, ~ix~0=6442450954, ~x=6.442450948E9] [L47] RET call #t~ret6 := fabs_float(~x~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret6=6.442450948E9, ~x~0=6.442450955E9] [L47] ~res~0 := #t~ret6; [L47] havoc #t~ret6; VAL [#NULL.base=0, #NULL.offset=0, ~res~0=6.442450948E9, ~x~0=6.442450955E9] [L50] CALL call #t~ret7 := isinf_float(~res~0); VAL [#in~x=6.442450948E9, #NULL.base=0, #NULL.offset=0] [L27-L36] ~x := #in~x; [L28] havoc ~ix~1; VAL [#in~x=6.442450948E9, #NULL.base=0, #NULL.offset=0, ~x=6.442450948E9] [L30] call ~#gf_u~1.base, ~#gf_u~1.offset := #Ultimate.alloc(4); [L31] call write~real(~x, ~#gf_u~1.base, ~#gf_u~1.offset, 4); [L32] call #t~mem4 := read~int(~#gf_u~1.base, ~#gf_u~1.offset, 4); [L32] ~ix~1 := (if #t~mem4 % 4294967296 % 4294967296 <= 2147483647 then #t~mem4 % 4294967296 % 4294967296 else #t~mem4 % 4294967296 % 4294967296 - 4294967296); [L32] call write~real(#t~union5, ~#gf_u~1.base, ~#gf_u~1.offset, 4); [L32] havoc #t~mem4; [L32] havoc #t~union5; [L30] call ULTIMATE.dealloc(~#gf_u~1.base, ~#gf_u~1.offset); [L30] havoc ~#gf_u~1.base, ~#gf_u~1.offset; VAL [#in~x=6.442450948E9, #NULL.base=0, #NULL.offset=0, ~ix~1=-2147483648, ~x=6.442450948E9] [L34] ~ix~1 := ~bitwiseAnd(~ix~1, 2147483647); [L35] #res := (if 2139095040 == ~ix~1 then 1 else 0); VAL [#in~x=6.442450948E9, #NULL.base=0, #NULL.offset=0, #res=0, ~ix~1=0, ~x=6.442450948E9] [L27-L36] ensures true; VAL [#in~x=6.442450948E9, #NULL.base=0, #NULL.offset=0, #res=0, ~ix~1=0, ~x=6.442450948E9] [L50] RET call #t~ret7 := isinf_float(~res~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret7=0, ~res~0=6.442450948E9, ~x~0=6.442450955E9] [L50] assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~ret7=0, ~res~0=6.442450948E9, ~x~0=6.442450955E9] [L50-L53] assume 0 == #t~ret7; [L50] havoc #t~ret7; VAL [#NULL.base=0, #NULL.offset=0, ~res~0=6.442450948E9, ~x~0=6.442450955E9] [L51] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~res~0=6.442450948E9, ~x~0=6.442450955E9] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL.base=6442450947, #NULL.offset=6442450945, old(#NULL.base)=6442450947, old(#NULL.offset)=6442450945] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450947, old(#NULL.offset)=6442450945] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450947, old(#NULL.offset)=6442450945] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0] [?] CALL call #t~ret8 := main(); VAL [#NULL.base=0, #NULL.offset=0] [L46] ~x~0 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(1.0), 0.0); VAL [#NULL.base=0, #NULL.offset=0] [L47] CALL call #t~ret6 := fabs_float(~x~0); VAL [#in~x=6.442450955E9, #NULL.base=0, #NULL.offset=0] [L11-L24] ~x := #in~x; [L12] havoc ~ix~0; VAL [#in~x=6.442450955E9, #NULL.base=0, #NULL.offset=0, ~x=6.442450955E9] [L14] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L15] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L16] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L16] ~ix~0 := #t~mem0; [L16] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L16] havoc #t~union1; [L16] havoc #t~mem0; [L14] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L14] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=6.442450955E9, #NULL.base=0, #NULL.offset=0, ~ix~0=6442450954, ~x=6.442450955E9] [L19] call ~#sf_u~0.base, ~#sf_u~0.offset := #Ultimate.alloc(4); [L20] call write~int(~bitwiseAnd(~ix~0, 2147483647), ~#sf_u~0.base, ~#sf_u~0.offset, 4); [L21] call #t~mem2 := read~real(~#sf_u~0.base, ~#sf_u~0.offset, 4); [L21] ~x := #t~mem2; [L21] call write~int(#t~union3, ~#sf_u~0.base, ~#sf_u~0.offset, 4); [L21] havoc #t~union3; [L21] havoc #t~mem2; [L19] call ULTIMATE.dealloc(~#sf_u~0.base, ~#sf_u~0.offset); [L19] havoc ~#sf_u~0.base, ~#sf_u~0.offset; VAL [#in~x=6.442450955E9, #NULL.base=0, #NULL.offset=0, ~ix~0=6442450954, ~x=6.442450948E9] [L23] #res := ~x; VAL [#in~x=6.442450955E9, #NULL.base=0, #NULL.offset=0, #res=6.442450948E9, ~ix~0=6442450954, ~x=6.442450948E9] [L11-L24] ensures true; VAL [#in~x=6.442450955E9, #NULL.base=0, #NULL.offset=0, #res=6.442450948E9, ~ix~0=6442450954, ~x=6.442450948E9] [L47] RET call #t~ret6 := fabs_float(~x~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret6=6.442450948E9, ~x~0=6.442450955E9] [L47] ~res~0 := #t~ret6; [L47] havoc #t~ret6; VAL [#NULL.base=0, #NULL.offset=0, ~res~0=6.442450948E9, ~x~0=6.442450955E9] [L50] CALL call #t~ret7 := isinf_float(~res~0); VAL [#in~x=6.442450948E9, #NULL.base=0, #NULL.offset=0] [L27-L36] ~x := #in~x; [L28] havoc ~ix~1; VAL [#in~x=6.442450948E9, #NULL.base=0, #NULL.offset=0, ~x=6.442450948E9] [L30] call ~#gf_u~1.base, ~#gf_u~1.offset := #Ultimate.alloc(4); [L31] call write~real(~x, ~#gf_u~1.base, ~#gf_u~1.offset, 4); [L32] call #t~mem4 := read~int(~#gf_u~1.base, ~#gf_u~1.offset, 4); [L32] ~ix~1 := (if #t~mem4 % 4294967296 % 4294967296 <= 2147483647 then #t~mem4 % 4294967296 % 4294967296 else #t~mem4 % 4294967296 % 4294967296 - 4294967296); [L32] call write~real(#t~union5, ~#gf_u~1.base, ~#gf_u~1.offset, 4); [L32] havoc #t~mem4; [L32] havoc #t~union5; [L30] call ULTIMATE.dealloc(~#gf_u~1.base, ~#gf_u~1.offset); [L30] havoc ~#gf_u~1.base, ~#gf_u~1.offset; VAL [#in~x=6.442450948E9, #NULL.base=0, #NULL.offset=0, ~ix~1=-2147483648, ~x=6.442450948E9] [L34] ~ix~1 := ~bitwiseAnd(~ix~1, 2147483647); [L35] #res := (if 2139095040 == ~ix~1 then 1 else 0); VAL [#in~x=6.442450948E9, #NULL.base=0, #NULL.offset=0, #res=0, ~ix~1=0, ~x=6.442450948E9] [L27-L36] ensures true; VAL [#in~x=6.442450948E9, #NULL.base=0, #NULL.offset=0, #res=0, ~ix~1=0, ~x=6.442450948E9] [L50] RET call #t~ret7 := isinf_float(~res~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret7=0, ~res~0=6.442450948E9, ~x~0=6.442450955E9] [L50] assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~ret7=0, ~res~0=6.442450948E9, ~x~0=6.442450955E9] [L50-L53] assume 0 == #t~ret7; [L50] havoc #t~ret7; VAL [#NULL.base=0, #NULL.offset=0, ~res~0=6.442450948E9, ~x~0=6.442450955E9] [L51] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~res~0=6.442450948E9, ~x~0=6.442450955E9] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450947, #NULL!offset=6442450945, old(#NULL!base)=6442450947, old(#NULL!offset)=6442450945] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450947, old(#NULL!offset)=6442450945] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret8 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L46] ~x~0 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(1.0), 0.0); VAL [#NULL!base=0, #NULL!offset=0] [L47] CALL call #t~ret6 := fabs_float(~x~0); VAL [#in~x=6.442450955E9, #NULL!base=0, #NULL!offset=0] [L11-L24] ~x := #in~x; [L12] havoc ~ix~0; VAL [#in~x=6.442450955E9, #NULL!base=0, #NULL!offset=0, ~x=6.442450955E9] [L14] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L15] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L16] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L16] ~ix~0 := #t~mem0; [L16] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L16] havoc #t~union1; [L16] havoc #t~mem0; [L14] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L14] havoc ~#gf_u~0; VAL [#in~x=6.442450955E9, #NULL!base=0, #NULL!offset=0, ~ix~0=6442450954, ~x=6.442450955E9] [L19] FCALL call ~#sf_u~0 := #Ultimate.alloc(4); [L20] FCALL call write~int(~bitwiseAnd(~ix~0, 2147483647), { base: ~#sf_u~0!base, offset: ~#sf_u~0!offset }, 4); [L21] FCALL call #t~mem2 := read~real({ base: ~#sf_u~0!base, offset: ~#sf_u~0!offset }, 4); [L21] ~x := #t~mem2; [L21] FCALL call write~int(#t~union3, { base: ~#sf_u~0!base, offset: ~#sf_u~0!offset }, 4); [L21] havoc #t~union3; [L21] havoc #t~mem2; [L19] FCALL call ULTIMATE.dealloc(~#sf_u~0); [L19] havoc ~#sf_u~0; VAL [#in~x=6.442450955E9, #NULL!base=0, #NULL!offset=0, ~ix~0=6442450954, ~x=6.442450948E9] [L23] #res := ~x; VAL [#in~x=6.442450955E9, #NULL!base=0, #NULL!offset=0, #res=6.442450948E9, ~ix~0=6442450954, ~x=6.442450948E9] [L47] RET call #t~ret6 := fabs_float(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=6.442450948E9, ~x~0=6.442450955E9] [L47] ~res~0 := #t~ret6; [L47] havoc #t~ret6; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=6.442450948E9, ~x~0=6.442450955E9] [L50] CALL call #t~ret7 := isinf_float(~res~0); VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0] [L27-L36] ~x := #in~x; [L28] havoc ~ix~1; VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, ~x=6.442450948E9] [L30] FCALL call ~#gf_u~1 := #Ultimate.alloc(4); [L31] FCALL call write~real(~x, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4); [L32] FCALL call #t~mem4 := read~int({ base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4); [L32] ~ix~1 := (if #t~mem4 % 4294967296 % 4294967296 <= 2147483647 then #t~mem4 % 4294967296 % 4294967296 else #t~mem4 % 4294967296 % 4294967296 - 4294967296); [L32] FCALL call write~real(#t~union5, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4); [L32] havoc #t~mem4; [L32] havoc #t~union5; [L30] FCALL call ULTIMATE.dealloc(~#gf_u~1); [L30] havoc ~#gf_u~1; VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, ~ix~1=-2147483648, ~x=6.442450948E9] [L34] ~ix~1 := ~bitwiseAnd(~ix~1, 2147483647); [L35] #res := (if 2139095040 == ~ix~1 then 1 else 0); VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, #res=0, ~ix~1=0, ~x=6.442450948E9] [L50] RET call #t~ret7 := isinf_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~res~0=6.442450948E9, ~x~0=6.442450955E9] [L50] assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~res~0=6.442450948E9, ~x~0=6.442450955E9] [L50] COND TRUE 0 == #t~ret7 [L50] havoc #t~ret7; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=6.442450948E9, ~x~0=6.442450955E9] [L51] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=6.442450948E9, ~x~0=6.442450955E9] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450947, #NULL!offset=6442450945, old(#NULL!base)=6442450947, old(#NULL!offset)=6442450945] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450947, old(#NULL!offset)=6442450945] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret8 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L46] ~x~0 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(1.0), 0.0); VAL [#NULL!base=0, #NULL!offset=0] [L47] CALL call #t~ret6 := fabs_float(~x~0); VAL [#in~x=6.442450955E9, #NULL!base=0, #NULL!offset=0] [L11-L24] ~x := #in~x; [L12] havoc ~ix~0; VAL [#in~x=6.442450955E9, #NULL!base=0, #NULL!offset=0, ~x=6.442450955E9] [L14] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L15] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L16] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L16] ~ix~0 := #t~mem0; [L16] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L16] havoc #t~union1; [L16] havoc #t~mem0; [L14] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L14] havoc ~#gf_u~0; VAL [#in~x=6.442450955E9, #NULL!base=0, #NULL!offset=0, ~ix~0=6442450954, ~x=6.442450955E9] [L19] FCALL call ~#sf_u~0 := #Ultimate.alloc(4); [L20] FCALL call write~int(~bitwiseAnd(~ix~0, 2147483647), { base: ~#sf_u~0!base, offset: ~#sf_u~0!offset }, 4); [L21] FCALL call #t~mem2 := read~real({ base: ~#sf_u~0!base, offset: ~#sf_u~0!offset }, 4); [L21] ~x := #t~mem2; [L21] FCALL call write~int(#t~union3, { base: ~#sf_u~0!base, offset: ~#sf_u~0!offset }, 4); [L21] havoc #t~union3; [L21] havoc #t~mem2; [L19] FCALL call ULTIMATE.dealloc(~#sf_u~0); [L19] havoc ~#sf_u~0; VAL [#in~x=6.442450955E9, #NULL!base=0, #NULL!offset=0, ~ix~0=6442450954, ~x=6.442450948E9] [L23] #res := ~x; VAL [#in~x=6.442450955E9, #NULL!base=0, #NULL!offset=0, #res=6.442450948E9, ~ix~0=6442450954, ~x=6.442450948E9] [L47] RET call #t~ret6 := fabs_float(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=6.442450948E9, ~x~0=6.442450955E9] [L47] ~res~0 := #t~ret6; [L47] havoc #t~ret6; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=6.442450948E9, ~x~0=6.442450955E9] [L50] CALL call #t~ret7 := isinf_float(~res~0); VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0] [L27-L36] ~x := #in~x; [L28] havoc ~ix~1; VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, ~x=6.442450948E9] [L30] FCALL call ~#gf_u~1 := #Ultimate.alloc(4); [L31] FCALL call write~real(~x, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4); [L32] FCALL call #t~mem4 := read~int({ base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4); [L32] ~ix~1 := (if #t~mem4 % 4294967296 % 4294967296 <= 2147483647 then #t~mem4 % 4294967296 % 4294967296 else #t~mem4 % 4294967296 % 4294967296 - 4294967296); [L32] FCALL call write~real(#t~union5, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4); [L32] havoc #t~mem4; [L32] havoc #t~union5; [L30] FCALL call ULTIMATE.dealloc(~#gf_u~1); [L30] havoc ~#gf_u~1; VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, ~ix~1=-2147483648, ~x=6.442450948E9] [L34] ~ix~1 := ~bitwiseAnd(~ix~1, 2147483647); [L35] #res := (if 2139095040 == ~ix~1 then 1 else 0); VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, #res=0, ~ix~1=0, ~x=6.442450948E9] [L50] RET call #t~ret7 := isinf_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~res~0=6.442450948E9, ~x~0=6.442450955E9] [L50] assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~res~0=6.442450948E9, ~x~0=6.442450955E9] [L50] COND TRUE 0 == #t~ret7 [L50] havoc #t~ret7; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=6.442450948E9, ~x~0=6.442450955E9] [L51] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=6.442450948E9, ~x~0=6.442450955E9] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450947, #NULL!offset=6442450945, old(#NULL!base)=6442450947, old(#NULL!offset)=6442450945] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450947, old(#NULL!offset)=6442450945] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret8 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L46] ~x~0 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(1.0), 0.0); VAL [#NULL!base=0, #NULL!offset=0] [L47] CALL call #t~ret6 := fabs_float(~x~0); VAL [#in~x=6.442450955E9, #NULL!base=0, #NULL!offset=0] [L11-L24] ~x := #in~x; [L12] havoc ~ix~0; VAL [#in~x=6.442450955E9, #NULL!base=0, #NULL!offset=0, ~x=6.442450955E9] [L14] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L15] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L16] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L16] ~ix~0 := #t~mem0; [L16] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L16] havoc #t~union1; [L16] havoc #t~mem0; [L14] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L14] havoc ~#gf_u~0; VAL [#in~x=6.442450955E9, #NULL!base=0, #NULL!offset=0, ~ix~0=6442450954, ~x=6.442450955E9] [L19] FCALL call ~#sf_u~0 := #Ultimate.alloc(4); [L20] FCALL call write~int(~bitwiseAnd(~ix~0, 2147483647), { base: ~#sf_u~0!base, offset: ~#sf_u~0!offset }, 4); [L21] FCALL call #t~mem2 := read~real({ base: ~#sf_u~0!base, offset: ~#sf_u~0!offset }, 4); [L21] ~x := #t~mem2; [L21] FCALL call write~int(#t~union3, { base: ~#sf_u~0!base, offset: ~#sf_u~0!offset }, 4); [L21] havoc #t~union3; [L21] havoc #t~mem2; [L19] FCALL call ULTIMATE.dealloc(~#sf_u~0); [L19] havoc ~#sf_u~0; VAL [#in~x=6.442450955E9, #NULL!base=0, #NULL!offset=0, ~ix~0=6442450954, ~x=6.442450948E9] [L23] #res := ~x; VAL [#in~x=6.442450955E9, #NULL!base=0, #NULL!offset=0, #res=6.442450948E9, ~ix~0=6442450954, ~x=6.442450948E9] [L47] RET call #t~ret6 := fabs_float(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=6.442450948E9, ~x~0=6.442450955E9] [L47] ~res~0 := #t~ret6; [L47] havoc #t~ret6; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=6.442450948E9, ~x~0=6.442450955E9] [L50] CALL call #t~ret7 := isinf_float(~res~0); VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0] [L27-L36] ~x := #in~x; [L28] havoc ~ix~1; VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, ~x=6.442450948E9] [L30] FCALL call ~#gf_u~1 := #Ultimate.alloc(4); [L31] FCALL call write~real(~x, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4); [L32] FCALL call #t~mem4 := read~int({ base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4); [L32] ~ix~1 := (if #t~mem4 % 4294967296 % 4294967296 <= 2147483647 then #t~mem4 % 4294967296 % 4294967296 else #t~mem4 % 4294967296 % 4294967296 - 4294967296); [L32] FCALL call write~real(#t~union5, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4); [L32] havoc #t~mem4; [L32] havoc #t~union5; [L30] FCALL call ULTIMATE.dealloc(~#gf_u~1); [L30] havoc ~#gf_u~1; VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, ~ix~1=-2147483648, ~x=6.442450948E9] [L34] ~ix~1 := ~bitwiseAnd(~ix~1, 2147483647); [L35] #res := (if 2139095040 == ~ix~1 then 1 else 0); VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, #res=0, ~ix~1=0, ~x=6.442450948E9] [L50] RET call #t~ret7 := isinf_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~res~0=6.442450948E9, ~x~0=6.442450955E9] [L50] assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~res~0=6.442450948E9, ~x~0=6.442450955E9] [L50] COND TRUE 0 == #t~ret7 [L50] havoc #t~ret7; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=6.442450948E9, ~x~0=6.442450955E9] [L51] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=6.442450948E9, ~x~0=6.442450955E9] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450947, #NULL!offset=6442450945, old(#NULL!base)=6442450947, old(#NULL!offset)=6442450945] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450947, old(#NULL!offset)=6442450945] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0] [?] CALL call #t~ret8 := main(); VAL [#NULL!base=0, #NULL!offset=0] [L46] ~x~0 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(1.0), 0.0); VAL [#NULL!base=0, #NULL!offset=0] [L47] CALL call #t~ret6 := fabs_float(~x~0); VAL [#in~x=6.442450955E9, #NULL!base=0, #NULL!offset=0] [L11-L24] ~x := #in~x; [L12] havoc ~ix~0; VAL [#in~x=6.442450955E9, #NULL!base=0, #NULL!offset=0, ~x=6.442450955E9] [L14] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L15] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L16] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L16] ~ix~0 := #t~mem0; [L16] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L16] havoc #t~union1; [L16] havoc #t~mem0; [L14] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L14] havoc ~#gf_u~0; VAL [#in~x=6.442450955E9, #NULL!base=0, #NULL!offset=0, ~ix~0=6442450954, ~x=6.442450955E9] [L19] FCALL call ~#sf_u~0 := #Ultimate.alloc(4); [L20] FCALL call write~int(~bitwiseAnd(~ix~0, 2147483647), { base: ~#sf_u~0!base, offset: ~#sf_u~0!offset }, 4); [L21] FCALL call #t~mem2 := read~real({ base: ~#sf_u~0!base, offset: ~#sf_u~0!offset }, 4); [L21] ~x := #t~mem2; [L21] FCALL call write~int(#t~union3, { base: ~#sf_u~0!base, offset: ~#sf_u~0!offset }, 4); [L21] havoc #t~union3; [L21] havoc #t~mem2; [L19] FCALL call ULTIMATE.dealloc(~#sf_u~0); [L19] havoc ~#sf_u~0; VAL [#in~x=6.442450955E9, #NULL!base=0, #NULL!offset=0, ~ix~0=6442450954, ~x=6.442450948E9] [L23] #res := ~x; VAL [#in~x=6.442450955E9, #NULL!base=0, #NULL!offset=0, #res=6.442450948E9, ~ix~0=6442450954, ~x=6.442450948E9] [L47] RET call #t~ret6 := fabs_float(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret6=6.442450948E9, ~x~0=6.442450955E9] [L47] ~res~0 := #t~ret6; [L47] havoc #t~ret6; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=6.442450948E9, ~x~0=6.442450955E9] [L50] CALL call #t~ret7 := isinf_float(~res~0); VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0] [L27-L36] ~x := #in~x; [L28] havoc ~ix~1; VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, ~x=6.442450948E9] [L30] FCALL call ~#gf_u~1 := #Ultimate.alloc(4); [L31] FCALL call write~real(~x, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4); [L32] FCALL call #t~mem4 := read~int({ base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4); [L32] ~ix~1 := (if #t~mem4 % 4294967296 % 4294967296 <= 2147483647 then #t~mem4 % 4294967296 % 4294967296 else #t~mem4 % 4294967296 % 4294967296 - 4294967296); [L32] FCALL call write~real(#t~union5, { base: ~#gf_u~1!base, offset: ~#gf_u~1!offset }, 4); [L32] havoc #t~mem4; [L32] havoc #t~union5; [L30] FCALL call ULTIMATE.dealloc(~#gf_u~1); [L30] havoc ~#gf_u~1; VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, ~ix~1=-2147483648, ~x=6.442450948E9] [L34] ~ix~1 := ~bitwiseAnd(~ix~1, 2147483647); [L35] #res := (if 2139095040 == ~ix~1 then 1 else 0); VAL [#in~x=6.442450948E9, #NULL!base=0, #NULL!offset=0, #res=0, ~ix~1=0, ~x=6.442450948E9] [L50] RET call #t~ret7 := isinf_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~res~0=6.442450948E9, ~x~0=6.442450955E9] [L50] assume -2147483648 <= #t~ret7 && #t~ret7 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=0, ~res~0=6.442450948E9, ~x~0=6.442450955E9] [L50] COND TRUE 0 == #t~ret7 [L50] havoc #t~ret7; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=6.442450948E9, ~x~0=6.442450955E9] [L51] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~res~0=6.442450948E9, ~x~0=6.442450955E9] [L46] float x = -1.0f / 0.0f; [L47] CALL, EXPR fabs_float(x) VAL [\old(x)=6442450955] [L12] __uint32_t ix; VAL [\old(x)=6442450955, x=6442450955] [L14] ieee_float_shape_type gf_u; [L15] gf_u.value = (x) [L16] EXPR gf_u.word [L16] (ix) = gf_u.word [L19] ieee_float_shape_type sf_u; [L20] sf_u.word = (ix & 0x7fffffff) [L21] EXPR sf_u.value [L21] (x) = sf_u.value [L23] return x; VAL [\old(x)=6442450955, \result=6442450948, ix=2147483658, x=6442450948] [L47] RET, EXPR fabs_float(x) VAL [fabs_float(x)=6442450948, x=6442450955] [L47] float res = fabs_float(x); [L50] CALL, EXPR isinf_float(res) VAL [\old(x)=6442450948] [L28] __int32_t ix; VAL [\old(x)=6442450948, x=6442450948] [L30] ieee_float_shape_type gf_u; [L31] gf_u.value = (x) [L32] EXPR gf_u.word [L32] (ix) = gf_u.word [L34] ix &= 0x7fffffff [L35] return ((ix) == 0x7f800000L); VAL [\old(x)=6442450948, \result=0, ix=0, x=6442450948] [L50] RET, EXPR isinf_float(res) VAL [isinf_float(res)=0, res=6442450948, x=6442450955] [L50] COND TRUE !isinf_float(res) [L51] __VERIFIER_error() VAL [res=6442450948, x=6442450955] ----- [2018-11-23 02:31:26,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:31:26 BoogieIcfgContainer [2018-11-23 02:31:26,760 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 02:31:26,761 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 02:31:26,761 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 02:31:26,761 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 02:31:26,761 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:31:26" (3/4) ... [2018-11-23 02:31:26,764 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 02:31:26,764 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 02:31:26,764 INFO L168 Benchmark]: Toolchain (without parser) took 794.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 959.7 MB in the beginning and 1.1 GB in the end (delta: -126.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2018-11-23 02:31:26,765 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:31:26,766 INFO L168 Benchmark]: CACSL2BoogieTranslator took 161.80 ms. Allocated memory is still 1.0 GB. Free memory was 959.7 MB in the beginning and 946.2 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 02:31:26,766 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.80 ms. Allocated memory is still 1.0 GB. Free memory is still 946.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:31:26,767 INFO L168 Benchmark]: Boogie Preprocessor took 16.62 ms. Allocated memory is still 1.0 GB. Free memory was 946.2 MB in the beginning and 943.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 02:31:26,767 INFO L168 Benchmark]: RCFGBuilder took 248.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -175.2 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-23 02:31:26,768 INFO L168 Benchmark]: TraceAbstraction took 343.11 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: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. [2018-11-23 02:31:26,768 INFO L168 Benchmark]: Witness Printer took 3.22 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:31:26,771 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 161.80 ms. Allocated memory is still 1.0 GB. Free memory was 959.7 MB in the beginning and 946.2 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 18.80 ms. Allocated memory is still 1.0 GB. Free memory is still 946.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.62 ms. Allocated memory is still 1.0 GB. Free memory was 946.2 MB in the beginning and 943.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 248.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -175.2 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 343.11 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: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.22 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 51]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 46, overapproximation of bitwiseAnd at line 34. Possible FailurePath: [L46] float x = -1.0f / 0.0f; [L47] CALL, EXPR fabs_float(x) VAL [\old(x)=6442450955] [L12] __uint32_t ix; VAL [\old(x)=6442450955, x=6442450955] [L14] ieee_float_shape_type gf_u; [L15] gf_u.value = (x) [L16] EXPR gf_u.word [L16] (ix) = gf_u.word [L19] ieee_float_shape_type sf_u; [L20] sf_u.word = (ix & 0x7fffffff) [L21] EXPR sf_u.value [L21] (x) = sf_u.value [L23] return x; VAL [\old(x)=6442450955, \result=6442450948, ix=2147483658, x=6442450948] [L47] RET, EXPR fabs_float(x) VAL [fabs_float(x)=6442450948, x=6442450955] [L47] float res = fabs_float(x); [L50] CALL, EXPR isinf_float(res) VAL [\old(x)=6442450948] [L28] __int32_t ix; VAL [\old(x)=6442450948, x=6442450948] [L30] ieee_float_shape_type gf_u; [L31] gf_u.value = (x) [L32] EXPR gf_u.word [L32] (ix) = gf_u.word [L34] ix &= 0x7fffffff [L35] return ((ix) == 0x7f800000L); VAL [\old(x)=6442450948, \result=0, ix=0, x=6442450948] [L50] RET, EXPR isinf_float(res) VAL [isinf_float(res)=0, res=6442450948, x=6442450955] [L50] COND TRUE !isinf_float(res) [L51] __VERIFIER_error() VAL [res=6442450948, x=6442450955] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 31 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 30 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=31occurred 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, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 02:31:28,197 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 02:31:28,198 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 02:31:28,206 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 02:31:28,207 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 02:31:28,207 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 02:31:28,208 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 02:31:28,209 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 02:31:28,210 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 02:31:28,211 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 02:31:28,211 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 02:31:28,211 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 02:31:28,212 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 02:31:28,213 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 02:31:28,214 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 02:31:28,215 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 02:31:28,215 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 02:31:28,216 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 02:31:28,218 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 02:31:28,218 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 02:31:28,219 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 02:31:28,220 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 02:31:28,222 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 02:31:28,222 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 02:31:28,222 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 02:31:28,223 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 02:31:28,224 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 02:31:28,224 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 02:31:28,225 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 02:31:28,225 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 02:31:28,226 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 02:31:28,226 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 02:31:28,226 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 02:31:28,226 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 02:31:28,227 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 02:31:28,227 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 02:31:28,228 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b0684120-5161-40c9-ae32-a454da206492/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 02:31:28,237 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 02:31:28,237 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 02:31:28,238 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 02:31:28,238 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 02:31:28,239 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 02:31:28,239 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 02:31:28,239 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 02:31:28,239 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 02:31:28,239 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 02:31:28,239 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 02:31:28,239 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 02:31:28,240 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 02:31:28,240 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 02:31:28,240 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 02:31:28,240 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 02:31:28,240 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 02:31:28,240 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 02:31:28,240 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 02:31:28,242 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 02:31:28,242 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 02:31:28,242 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 02:31:28,242 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 02:31:28,243 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 02:31:28,243 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 02:31:28,243 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:31:28,243 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 02:31:28,243 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 02:31:28,243 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 02:31:28,243 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 02:31:28,243 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 02:31:28,244 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 02:31:28,244 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 02:31:28,244 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_b0684120-5161-40c9-ae32-a454da206492/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc9c2d8006a021647ffc0d9b742af3213165b422 [2018-11-23 02:31:28,274 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 02:31:28,283 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 02:31:28,286 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 02:31:28,287 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 02:31:28,288 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 02:31:28,288 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b0684120-5161-40c9-ae32-a454da206492/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1012b_true-unreach-call.c [2018-11-23 02:31:28,322 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b0684120-5161-40c9-ae32-a454da206492/bin-2019/uautomizer/data/c50de2681/22e9c30ff9024dbca1650d3bb17febd0/FLAGd7320c1e5 [2018-11-23 02:31:28,711 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 02:31:28,711 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b0684120-5161-40c9-ae32-a454da206492/sv-benchmarks/c/float-newlib/float_req_bl_1012b_true-unreach-call.c [2018-11-23 02:31:28,715 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b0684120-5161-40c9-ae32-a454da206492/bin-2019/uautomizer/data/c50de2681/22e9c30ff9024dbca1650d3bb17febd0/FLAGd7320c1e5 [2018-11-23 02:31:28,727 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b0684120-5161-40c9-ae32-a454da206492/bin-2019/uautomizer/data/c50de2681/22e9c30ff9024dbca1650d3bb17febd0 [2018-11-23 02:31:28,729 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 02:31:28,730 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 02:31:28,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 02:31:28,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 02:31:28,734 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 02:31:28,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:31:28" (1/1) ... [2018-11-23 02:31:28,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69196480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:28, skipping insertion in model container [2018-11-23 02:31:28,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:31:28" (1/1) ... [2018-11-23 02:31:28,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 02:31:28,758 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 02:31:28,883 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:31:28,886 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 02:31:28,899 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:31:28,917 INFO L195 MainTranslator]: Completed translation [2018-11-23 02:31:28,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:28 WrapperNode [2018-11-23 02:31:28,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 02:31:28,919 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 02:31:28,919 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 02:31:28,919 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 02:31:28,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:28" (1/1) ... [2018-11-23 02:31:28,931 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:28" (1/1) ... [2018-11-23 02:31:28,935 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 02:31:28,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 02:31:28,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 02:31:28,935 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 02:31:28,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:28" (1/1) ... [2018-11-23 02:31:28,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:28" (1/1) ... [2018-11-23 02:31:28,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:28" (1/1) ... [2018-11-23 02:31:28,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:28" (1/1) ... [2018-11-23 02:31:28,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:28" (1/1) ... [2018-11-23 02:31:28,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:28" (1/1) ... [2018-11-23 02:31:28,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:28" (1/1) ... [2018-11-23 02:31:28,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 02:31:28,960 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 02:31:28,960 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 02:31:28,960 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 02:31:28,961 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b0684120-5161-40c9-ae32-a454da206492/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 02:31:29,028 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-11-23 02:31:29,029 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-11-23 02:31:29,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 02:31:29,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 02:31:29,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 02:31:29,029 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-23 02:31:29,029 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-23 02:31:29,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 02:31:29,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 02:31:29,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 02:31:29,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-23 02:31:29,030 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 02:31:29,030 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 02:31:29,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-23 02:31:29,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 02:31:29,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 02:31:29,176 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 02:31:29,176 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-23 02:31:29,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:31:29 BoogieIcfgContainer [2018-11-23 02:31:29,177 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 02:31:29,177 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 02:31:29,177 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 02:31:29,180 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 02:31:29,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:31:28" (1/3) ... [2018-11-23 02:31:29,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a0db5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:31:29, skipping insertion in model container [2018-11-23 02:31:29,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:31:28" (2/3) ... [2018-11-23 02:31:29,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a0db5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:31:29, skipping insertion in model container [2018-11-23 02:31:29,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:31:29" (3/3) ... [2018-11-23 02:31:29,182 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1012b_true-unreach-call.c [2018-11-23 02:31:29,191 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 02:31:29,196 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 02:31:29,208 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 02:31:29,227 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 02:31:29,227 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 02:31:29,227 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 02:31:29,227 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 02:31:29,227 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 02:31:29,227 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 02:31:29,228 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 02:31:29,228 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 02:31:29,228 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 02:31:29,238 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-11-23 02:31:29,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 02:31:29,242 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:31:29,243 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 02:31:29,244 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:31:29,247 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:31:29,247 INFO L82 PathProgramCache]: Analyzing trace with hash -556010884, now seen corresponding path program 1 times [2018-11-23 02:31:29,250 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 02:31:29,250 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b0684120-5161-40c9-ae32-a454da206492/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-23 02:31:29,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:31:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:31:29,304 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:31:29,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:31:29,317 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 02:31:29,324 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:31:29,324 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 02:31:29,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 02:31:29,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 02:31:29,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 02:31:29,335 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2018-11-23 02:31:29,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:31:29,348 INFO L93 Difference]: Finished difference Result 52 states and 65 transitions. [2018-11-23 02:31:29,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 02:31:29,349 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-11-23 02:31:29,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:31:29,354 INFO L225 Difference]: With dead ends: 52 [2018-11-23 02:31:29,354 INFO L226 Difference]: Without dead ends: 26 [2018-11-23 02:31:29,357 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 02:31:29,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-11-23 02:31:29,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-11-23 02:31:29,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-11-23 02:31:29,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 25 transitions. [2018-11-23 02:31:29,387 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 25 transitions. Word has length 22 [2018-11-23 02:31:29,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:31:29,387 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 25 transitions. [2018-11-23 02:31:29,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 02:31:29,387 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 25 transitions. [2018-11-23 02:31:29,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 02:31:29,388 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 02:31:29,388 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] [2018-11-23 02:31:29,388 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 02:31:29,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 02:31:29,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1033950520, now seen corresponding path program 1 times [2018-11-23 02:31:29,389 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 02:31:29,389 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b0684120-5161-40c9-ae32-a454da206492/bin-2019/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-23 02:31:29,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 02:31:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 02:31:29,449 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 02:31:29,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 02:31:29,776 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 02:31:29,783 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 02:31:29,783 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-11-23 02:31:29,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-23 02:31:29,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-23 02:31:29,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-11-23 02:31:29,785 INFO L87 Difference]: Start difference. First operand 26 states and 25 transitions. Second operand 13 states. [2018-11-23 02:31:30,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 02:31:30,246 INFO L93 Difference]: Finished difference Result 26 states and 25 transitions. [2018-11-23 02:31:30,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-23 02:31:30,246 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 25 [2018-11-23 02:31:30,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 02:31:30,247 INFO L225 Difference]: With dead ends: 26 [2018-11-23 02:31:30,247 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 02:31:30,248 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2018-11-23 02:31:30,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 02:31:30,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 02:31:30,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 02:31:30,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 02:31:30,249 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-11-23 02:31:30,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 02:31:30,249 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 02:31:30,249 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-23 02:31:30,249 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 02:31:30,249 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 02:31:30,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 02:31:30,296 INFO L448 ceAbstractionStarter]: For program point L29-1(lines 29 33) no Hoare annotation was computed. [2018-11-23 02:31:30,296 INFO L444 ceAbstractionStarter]: At program point L29-2(lines 29 33) the Hoare annotation is: (= |isinf_float_#in~x| isinf_float_~x) [2018-11-23 02:31:30,296 INFO L448 ceAbstractionStarter]: For program point L29-3(lines 29 33) no Hoare annotation was computed. [2018-11-23 02:31:30,296 INFO L451 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 27 36) the Hoare annotation is: true [2018-11-23 02:31:30,296 INFO L448 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 27 36) no Hoare annotation was computed. [2018-11-23 02:31:30,297 INFO L448 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 27 36) no Hoare annotation was computed. [2018-11-23 02:31:30,297 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 02:31:30,297 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 02:31:30,297 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 02:31:30,297 INFO L448 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 11 24) no Hoare annotation was computed. [2018-11-23 02:31:30,297 INFO L448 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 11 24) no Hoare annotation was computed. [2018-11-23 02:31:30,297 INFO L451 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 11 24) the Hoare annotation is: true [2018-11-23 02:31:30,297 INFO L448 ceAbstractionStarter]: For program point L18(lines 18 22) no Hoare annotation was computed. [2018-11-23 02:31:30,297 INFO L448 ceAbstractionStarter]: For program point L18-1(lines 11 24) no Hoare annotation was computed. [2018-11-23 02:31:30,298 INFO L448 ceAbstractionStarter]: For program point L18-2(lines 18 22) no Hoare annotation was computed. [2018-11-23 02:31:30,298 INFO L448 ceAbstractionStarter]: For program point L13-1(lines 13 17) no Hoare annotation was computed. [2018-11-23 02:31:30,298 INFO L444 ceAbstractionStarter]: At program point L13-2(lines 13 17) the Hoare annotation is: (= fabs_float_~x |fabs_float_#in~x|) [2018-11-23 02:31:30,298 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 02:31:30,298 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 02:31:30,298 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 02:31:30,298 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 02:31:30,298 INFO L448 ceAbstractionStarter]: For program point L50-1(lines 50 53) no Hoare annotation was computed. [2018-11-23 02:31:30,299 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 51) no Hoare annotation was computed. [2018-11-23 02:31:30,299 INFO L444 ceAbstractionStarter]: At program point L47(line 47) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) [2018-11-23 02:31:30,299 INFO L448 ceAbstractionStarter]: For program point L47-1(line 47) no Hoare annotation was computed. [2018-11-23 02:31:30,299 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 38 56) the Hoare annotation is: true [2018-11-23 02:31:30,299 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 38 56) no Hoare annotation was computed. [2018-11-23 02:31:30,299 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 38 56) no Hoare annotation was computed. [2018-11-23 02:31:30,300 INFO L448 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-11-23 02:31:30,300 INFO L444 ceAbstractionStarter]: At program point L50(line 50) the Hoare annotation is: (and (= main_~x~0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) (exists ((fabs_float_~ix~0 (_ BitVec 32))) (and (= main_~res~0 (let ((.cse0 (bvand (_ bv2147483647 32) fabs_float_~ix~0))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (= (fp ((_ extract 31 31) fabs_float_~ix~0) ((_ extract 30 23) fabs_float_~ix~0) ((_ extract 22 0) fabs_float_~ix~0)) (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))))) [2018-11-23 02:31:30,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:31:30 BoogieIcfgContainer [2018-11-23 02:31:30,309 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 02:31:30,309 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 02:31:30,309 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 02:31:30,309 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 02:31:30,310 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:31:29" (3/4) ... [2018-11-23 02:31:30,313 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 02:31:30,317 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-11-23 02:31:30,317 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 02:31:30,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-11-23 02:31:30,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 02:31:30,322 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-11-23 02:31:30,322 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 02:31:30,322 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 02:31:30,340 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-11-23 02:31:30,340 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-23 02:31:30,352 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b0684120-5161-40c9-ae32-a454da206492/bin-2019/uautomizer/witness.graphml [2018-11-23 02:31:30,352 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 02:31:30,353 INFO L168 Benchmark]: Toolchain (without parser) took 1623.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 949.7 MB in the beginning and 993.4 MB in the end (delta: -43.7 MB). Peak memory consumption was 103.6 MB. Max. memory is 11.5 GB. [2018-11-23 02:31:30,354 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:31:30,354 INFO L168 Benchmark]: CACSL2BoogieTranslator took 187.61 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 02:31:30,355 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.62 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:31:30,355 INFO L168 Benchmark]: Boogie Preprocessor took 24.50 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 02:31:30,355 INFO L168 Benchmark]: RCFGBuilder took 216.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -183.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-11-23 02:31:30,356 INFO L168 Benchmark]: TraceAbstraction took 1131.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 117.1 MB). Peak memory consumption was 117.1 MB. Max. memory is 11.5 GB. [2018-11-23 02:31:30,356 INFO L168 Benchmark]: Witness Printer took 42.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 993.4 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-23 02:31:30,358 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 187.61 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.62 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.50 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 216.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -183.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1131.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 117.1 MB). Peak memory consumption was 117.1 MB. Max. memory is 11.5 GB. * Witness Printer took 42.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 993.4 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 51]: 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: 29]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: x == \old(x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 30 locations, 1 error locations. SAFE Result, 1.0s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 44 SDtfs, 10 SDslu, 139 SDs, 0 SdLazy, 90 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 12 PreInvPairs, 15 NumberOfFragments, 63 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 45 ConstructedInterpolants, 8 QuantifiedInterpolants, 8169 SizeOfPredicates, 7 NumberOfNonLiveVariables, 122 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...