./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1012a_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_ce8319b6-1ffa-4e86-8ace-b983eed97a5d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ce8319b6-1ffa-4e86-8ace-b983eed97a5d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ce8319b6-1ffa-4e86-8ace-b983eed97a5d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ce8319b6-1ffa-4e86-8ace-b983eed97a5d/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1012a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ce8319b6-1ffa-4e86-8ace-b983eed97a5d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ce8319b6-1ffa-4e86-8ace-b983eed97a5d/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 8843c970c14fead2ee32d56c7ad1a4a87598c42c .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_ce8319b6-1ffa-4e86-8ace-b983eed97a5d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ce8319b6-1ffa-4e86-8ace-b983eed97a5d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ce8319b6-1ffa-4e86-8ace-b983eed97a5d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ce8319b6-1ffa-4e86-8ace-b983eed97a5d/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1012a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ce8319b6-1ffa-4e86-8ace-b983eed97a5d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ce8319b6-1ffa-4e86-8ace-b983eed97a5d/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 8843c970c14fead2ee32d56c7ad1a4a87598c42c ........................................................................................................................................................................................................................................................................................................................................................... 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 06:13:54,581 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:13:54,582 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:13:54,590 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:13:54,590 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:13:54,591 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:13:54,592 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:13:54,593 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:13:54,594 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:13:54,595 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:13:54,596 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:13:54,596 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:13:54,597 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:13:54,598 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:13:54,599 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:13:54,600 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:13:54,600 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:13:54,601 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:13:54,603 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:13:54,604 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:13:54,605 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:13:54,606 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:13:54,608 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:13:54,608 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:13:54,608 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:13:54,609 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:13:54,610 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:13:54,611 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:13:54,611 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:13:54,612 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:13:54,612 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:13:54,613 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:13:54,613 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:13:54,613 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:13:54,614 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:13:54,615 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:13:54,616 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ce8319b6-1ffa-4e86-8ace-b983eed97a5d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 06:13:54,626 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:13:54,626 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:13:54,627 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:13:54,627 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 06:13:54,628 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 06:13:54,628 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 06:13:54,628 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 06:13:54,628 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:13:54,628 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:13:54,628 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:13:54,628 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:13:54,629 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:13:54,629 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:13:54,629 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:13:54,629 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:13:54,629 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:13:54,629 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:13:54,629 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:13:54,630 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:13:54,630 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:13:54,630 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 06:13:54,630 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:13:54,630 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 06:13:54,630 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:13:54,630 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:13:54,631 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:13:54,631 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:13:54,631 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 06:13:54,631 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:13:54,631 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 06:13:54,631 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_ce8319b6-1ffa-4e86-8ace-b983eed97a5d/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 -> 8843c970c14fead2ee32d56c7ad1a4a87598c42c [2018-11-23 06:13:54,656 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:13:54,665 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:13:54,668 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:13:54,669 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:13:54,669 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:13:54,670 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ce8319b6-1ffa-4e86-8ace-b983eed97a5d/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1012a_true-unreach-call.c [2018-11-23 06:13:54,715 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ce8319b6-1ffa-4e86-8ace-b983eed97a5d/bin-2019/uautomizer/data/4a802d066/18e19bbb533445b5995b9e21b55380f4/FLAGf397e494f [2018-11-23 06:13:55,028 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:13:55,028 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ce8319b6-1ffa-4e86-8ace-b983eed97a5d/sv-benchmarks/c/float-newlib/float_req_bl_1012a_true-unreach-call.c [2018-11-23 06:13:55,032 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ce8319b6-1ffa-4e86-8ace-b983eed97a5d/bin-2019/uautomizer/data/4a802d066/18e19bbb533445b5995b9e21b55380f4/FLAGf397e494f [2018-11-23 06:13:55,041 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ce8319b6-1ffa-4e86-8ace-b983eed97a5d/bin-2019/uautomizer/data/4a802d066/18e19bbb533445b5995b9e21b55380f4 [2018-11-23 06:13:55,044 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:13:55,044 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:13:55,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:13:55,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:13:55,047 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:13:55,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:13:55" (1/1) ... [2018-11-23 06:13:55,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@157d7aa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:13:55, skipping insertion in model container [2018-11-23 06:13:55,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:13:55" (1/1) ... [2018-11-23 06:13:55,055 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:13:55,069 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:13:55,179 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:13:55,181 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:13:55,193 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:13:55,206 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:13:55,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:13:55 WrapperNode [2018-11-23 06:13:55,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:13:55,207 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:13:55,207 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:13:55,207 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:13:55,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:13:55" (1/1) ... [2018-11-23 06:13:55,218 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:13:55" (1/1) ... [2018-11-23 06:13:55,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:13:55,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:13:55,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:13:55,223 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:13:55,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:13:55" (1/1) ... [2018-11-23 06:13:55,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:13:55" (1/1) ... [2018-11-23 06:13:55,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:13:55" (1/1) ... [2018-11-23 06:13:55,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:13:55" (1/1) ... [2018-11-23 06:13:55,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:13:55" (1/1) ... [2018-11-23 06:13:55,239 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:13:55" (1/1) ... [2018-11-23 06:13:55,239 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:13:55" (1/1) ... [2018-11-23 06:13:55,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:13:55,241 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:13:55,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:13:55,241 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:13:55,242 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:13:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ce8319b6-1ffa-4e86-8ace-b983eed97a5d/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 06:13:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-23 06:13:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 06:13:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-11-23 06:13:55,322 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-11-23 06:13:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 06:13:55,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 06:13:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-23 06:13:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 06:13:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-23 06:13:55,322 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-23 06:13:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:13:55,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:13:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 06:13:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 06:13:55,323 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 06:13:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 06:13:55,491 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:13:55,491 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-23 06:13:55,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:13:55 BoogieIcfgContainer [2018-11-23 06:13:55,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:13:55,492 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 06:13:55,492 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 06:13:55,495 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 06:13:55,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:13:55" (1/3) ... [2018-11-23 06:13:55,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@633906fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:13:55, skipping insertion in model container [2018-11-23 06:13:55,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:13:55" (2/3) ... [2018-11-23 06:13:55,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@633906fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:13:55, skipping insertion in model container [2018-11-23 06:13:55,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:13:55" (3/3) ... [2018-11-23 06:13:55,499 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1012a_true-unreach-call.c [2018-11-23 06:13:55,508 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 06:13:55,515 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 06:13:55,529 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 06:13:55,556 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 06:13:55,557 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 06:13:55,557 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 06:13:55,557 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 06:13:55,557 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 06:13:55,557 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 06:13:55,557 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 06:13:55,557 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 06:13:55,558 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 06:13:55,573 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2018-11-23 06:13:55,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 06:13:55,578 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:13:55,579 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 06:13:55,581 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:13:55,586 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:13:55,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1978899259, now seen corresponding path program 1 times [2018-11-23 06:13:55,587 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:13:55,588 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:13:55,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:13:55,628 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:13:55,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:13:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:13:55,694 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 06:13:55,696 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:13:55,697 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 06:13:55,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 06:13:55,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 06:13:55,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 06:13:55,713 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 2 states. [2018-11-23 06:13:55,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:13:55,731 INFO L93 Difference]: Finished difference Result 54 states and 67 transitions. [2018-11-23 06:13:55,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 06:13:55,732 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-11-23 06:13:55,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:13:55,739 INFO L225 Difference]: With dead ends: 54 [2018-11-23 06:13:55,739 INFO L226 Difference]: Without dead ends: 27 [2018-11-23 06:13:55,741 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 06:13:55,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-11-23 06:13:55,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-11-23 06:13:55,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-11-23 06:13:55,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2018-11-23 06:13:55,768 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 23 [2018-11-23 06:13:55,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:13:55,768 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2018-11-23 06:13:55,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 06:13:55,768 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2018-11-23 06:13:55,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 06:13:55,769 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:13:55,769 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 06:13:55,770 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:13:55,770 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:13:55,771 INFO L82 PathProgramCache]: Analyzing trace with hash 749195959, now seen corresponding path program 1 times [2018-11-23 06:13:55,771 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:13:55,771 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:13:55,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:13:55,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:13:55,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:13:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:13:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:13:55,850 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(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~union5;havoc #t~mem4;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(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~union5; [L32] havoc #t~mem4; [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(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~union5; [L32] havoc #t~mem4; [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(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~union5; [L32] havoc #t~mem4; [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(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~union5; [L32] havoc #t~mem4; [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(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~union5; [L32] havoc #t~mem4; [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(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~union5; [L32] havoc #t~mem4; [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 06:13:55,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:13:55 BoogieIcfgContainer [2018-11-23 06:13:55,880 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 06:13:55,881 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:13:55,881 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:13:55,881 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:13:55,882 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:13:55" (3/4) ... [2018-11-23 06:13:55,884 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 06:13:55,884 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:13:55,885 INFO L168 Benchmark]: Toolchain (without parser) took 840.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -107.3 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. [2018-11-23 06:13:55,886 INFO L168 Benchmark]: CDTParser took 0.59 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 06:13:55,886 INFO L168 Benchmark]: CACSL2BoogieTranslator took 161.30 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:13:55,887 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.41 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:13:55,887 INFO L168 Benchmark]: Boogie Preprocessor took 17.68 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 943.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:13:55,888 INFO L168 Benchmark]: RCFGBuilder took 250.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 943.0 MB in the beginning and 1.1 GB in the end (delta: -155.6 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2018-11-23 06:13:55,888 INFO L168 Benchmark]: TraceAbstraction took 388.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-23 06:13:55,889 INFO L168 Benchmark]: Witness Printer took 3.41 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:13:55,892 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 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 161.30 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.41 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.68 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 943.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 250.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 943.0 MB in the beginning and 1.1 GB in the end (delta: -155.6 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 388.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.41 ms. Allocated memory is still 1.1 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, 0.3s 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 06:13:57,305 INFO L170 SettingsManager]: Resetting all preferences to default values... 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[2018-11-23 06:13:57,331 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:13:57,331 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:13:57,332 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:13:57,332 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:13:57,333 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:13:57,333 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:13:57,334 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:13:57,334 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:13:57,335 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:13:57,335 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:13:57,335 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:13:57,336 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:13:57,336 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:13:57,336 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ce8319b6-1ffa-4e86-8ace-b983eed97a5d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 06:13:57,346 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:13:57,347 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:13:57,347 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:13:57,347 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 06:13:57,348 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 06:13:57,348 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 06:13:57,348 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 06:13:57,348 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:13:57,348 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:13:57,348 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:13:57,349 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:13:57,349 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:13:57,349 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:13:57,349 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:13:57,349 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 06:13:57,349 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 06:13:57,349 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:13:57,349 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:13:57,350 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:13:57,350 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:13:57,350 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:13:57,350 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 06:13:57,352 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:13:57,352 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 06:13:57,352 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:13:57,352 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:13:57,353 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:13:57,353 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:13:57,353 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 06:13:57,353 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:13:57,353 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 06:13:57,353 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 06:13:57,353 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_ce8319b6-1ffa-4e86-8ace-b983eed97a5d/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 -> 8843c970c14fead2ee32d56c7ad1a4a87598c42c [2018-11-23 06:13:57,386 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:13:57,394 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:13:57,397 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:13:57,398 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:13:57,398 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:13:57,399 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ce8319b6-1ffa-4e86-8ace-b983eed97a5d/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1012a_true-unreach-call.c [2018-11-23 06:13:57,442 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ce8319b6-1ffa-4e86-8ace-b983eed97a5d/bin-2019/uautomizer/data/dfe7ee18a/4434d1977f4a4b8795404a73df5ea85a/FLAG0067c74f3 [2018-11-23 06:13:57,843 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:13:57,844 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ce8319b6-1ffa-4e86-8ace-b983eed97a5d/sv-benchmarks/c/float-newlib/float_req_bl_1012a_true-unreach-call.c [2018-11-23 06:13:57,848 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ce8319b6-1ffa-4e86-8ace-b983eed97a5d/bin-2019/uautomizer/data/dfe7ee18a/4434d1977f4a4b8795404a73df5ea85a/FLAG0067c74f3 [2018-11-23 06:13:57,856 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ce8319b6-1ffa-4e86-8ace-b983eed97a5d/bin-2019/uautomizer/data/dfe7ee18a/4434d1977f4a4b8795404a73df5ea85a [2018-11-23 06:13:57,858 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:13:57,859 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:13:57,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:13:57,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:13:57,861 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:13:57,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:13:57" (1/1) ... [2018-11-23 06:13:57,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4013ac6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:13:57, skipping insertion in model container [2018-11-23 06:13:57,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:13:57" (1/1) ... [2018-11-23 06:13:57,870 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:13:57,886 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:13:58,020 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:13:58,024 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:13:58,040 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:13:58,054 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:13:58,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:13:58 WrapperNode [2018-11-23 06:13:58,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:13:58,056 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:13:58,056 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:13:58,056 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:13:58,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:13:58" (1/1) ... [2018-11-23 06:13:58,068 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:13:58" (1/1) ... [2018-11-23 06:13:58,072 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:13:58,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:13:58,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:13:58,073 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:13:58,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:13:58" (1/1) ... [2018-11-23 06:13:58,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:13:58" (1/1) ... [2018-11-23 06:13:58,080 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:13:58" (1/1) ... [2018-11-23 06:13:58,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:13:58" (1/1) ... [2018-11-23 06:13:58,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:13:58" (1/1) ... [2018-11-23 06:13:58,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:13:58" (1/1) ... [2018-11-23 06:13:58,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:13:58" (1/1) ... [2018-11-23 06:13:58,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:13:58,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:13:58,098 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:13:58,098 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:13:58,099 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:13:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ce8319b6-1ffa-4e86-8ace-b983eed97a5d/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 06:13:58,176 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-11-23 06:13:58,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-11-23 06:13:58,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 06:13:58,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 06:13:58,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 06:13:58,176 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-23 06:13:58,176 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-23 06:13:58,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 06:13:58,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:13:58,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:13:58,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-23 06:13:58,177 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 06:13:58,177 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 06:13:58,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-23 06:13:58,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 06:13:58,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 06:13:58,318 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:13:58,318 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-23 06:13:58,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:13:58 BoogieIcfgContainer [2018-11-23 06:13:58,319 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:13:58,319 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 06:13:58,320 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 06:13:58,322 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 06:13:58,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:13:57" (1/3) ... [2018-11-23 06:13:58,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248e5fd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:13:58, skipping insertion in model container [2018-11-23 06:13:58,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:13:58" (2/3) ... [2018-11-23 06:13:58,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248e5fd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:13:58, skipping insertion in model container [2018-11-23 06:13:58,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:13:58" (3/3) ... [2018-11-23 06:13:58,325 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1012a_true-unreach-call.c [2018-11-23 06:13:58,335 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 06:13:58,340 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 06:13:58,349 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 06:13:58,366 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 06:13:58,367 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 06:13:58,367 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 06:13:58,367 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 06:13:58,367 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 06:13:58,367 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 06:13:58,367 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 06:13:58,367 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 06:13:58,368 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 06:13:58,380 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-11-23 06:13:58,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 06:13:58,385 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:13:58,386 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 06:13:58,387 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:13:58,391 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:13:58,391 INFO L82 PathProgramCache]: Analyzing trace with hash -556010884, now seen corresponding path program 1 times [2018-11-23 06:13:58,393 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 06:13:58,393 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ce8319b6-1ffa-4e86-8ace-b983eed97a5d/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 06:13:58,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:13:58,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:13:58,446 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:13:58,459 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 06:13:58,459 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 06:13:58,467 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:13:58,467 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 06:13:58,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 06:13:58,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 06:13:58,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 06:13:58,478 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2018-11-23 06:13:58,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:13:58,491 INFO L93 Difference]: Finished difference Result 52 states and 65 transitions. [2018-11-23 06:13:58,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 06:13:58,492 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-11-23 06:13:58,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:13:58,496 INFO L225 Difference]: With dead ends: 52 [2018-11-23 06:13:58,497 INFO L226 Difference]: Without dead ends: 26 [2018-11-23 06:13:58,499 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 06:13:58,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-11-23 06:13:58,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-11-23 06:13:58,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-11-23 06:13:58,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 25 transitions. [2018-11-23 06:13:58,525 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 25 transitions. Word has length 22 [2018-11-23 06:13:58,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:13:58,525 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 25 transitions. [2018-11-23 06:13:58,526 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 06:13:58,526 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 25 transitions. [2018-11-23 06:13:58,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 06:13:58,526 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:13:58,527 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 06:13:58,527 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:13:58,527 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:13:58,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1033950520, now seen corresponding path program 1 times [2018-11-23 06:13:58,528 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 06:13:58,528 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ce8319b6-1ffa-4e86-8ace-b983eed97a5d/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 06:13:58,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:13:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:13:58,588 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:13:58,983 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 06:13:58,983 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 06:13:58,994 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:13:58,994 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-11-23 06:13:58,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-23 06:13:58,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-23 06:13:58,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-11-23 06:13:58,996 INFO L87 Difference]: Start difference. First operand 26 states and 25 transitions. Second operand 13 states. [2018-11-23 06:13:59,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:13:59,495 INFO L93 Difference]: Finished difference Result 26 states and 25 transitions. [2018-11-23 06:13:59,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-23 06:13:59,496 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 25 [2018-11-23 06:13:59,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:13:59,496 INFO L225 Difference]: With dead ends: 26 [2018-11-23 06:13:59,496 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 06:13:59,497 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2018-11-23 06:13:59,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 06:13:59,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 06:13:59,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 06:13:59,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 06:13:59,499 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-11-23 06:13:59,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:13:59,499 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 06:13:59,499 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-23 06:13:59,500 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 06:13:59,500 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 06:13:59,503 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 06:13:59,585 INFO L448 ceAbstractionStarter]: For program point L29-1(lines 29 33) no Hoare annotation was computed. [2018-11-23 06:13:59,586 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 06:13:59,586 INFO L448 ceAbstractionStarter]: For program point L29-3(lines 29 33) no Hoare annotation was computed. [2018-11-23 06:13:59,586 INFO L451 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 27 36) the Hoare annotation is: true [2018-11-23 06:13:59,586 INFO L448 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 27 36) no Hoare annotation was computed. [2018-11-23 06:13:59,586 INFO L448 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 27 36) no Hoare annotation was computed. [2018-11-23 06:13:59,586 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 06:13:59,586 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 06:13:59,586 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 06:13:59,587 INFO L448 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 11 24) no Hoare annotation was computed. [2018-11-23 06:13:59,587 INFO L448 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 11 24) no Hoare annotation was computed. [2018-11-23 06:13:59,587 INFO L451 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 11 24) the Hoare annotation is: true [2018-11-23 06:13:59,587 INFO L448 ceAbstractionStarter]: For program point L18(lines 18 22) no Hoare annotation was computed. [2018-11-23 06:13:59,587 INFO L448 ceAbstractionStarter]: For program point L18-1(lines 11 24) no Hoare annotation was computed. [2018-11-23 06:13:59,587 INFO L448 ceAbstractionStarter]: For program point L18-2(lines 18 22) no Hoare annotation was computed. [2018-11-23 06:13:59,587 INFO L448 ceAbstractionStarter]: For program point L13-1(lines 13 17) no Hoare annotation was computed. [2018-11-23 06:13:59,587 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 06:13:59,587 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 06:13:59,588 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 06:13:59,588 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 06:13:59,588 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 06:13:59,588 INFO L448 ceAbstractionStarter]: For program point L50-1(lines 50 53) no Hoare annotation was computed. [2018-11-23 06:13:59,588 INFO L444 ceAbstractionStarter]: At program point L47(line 47) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) [2018-11-23 06:13:59,588 INFO L448 ceAbstractionStarter]: For program point L47-1(line 47) no Hoare annotation was computed. [2018-11-23 06:13:59,588 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 38 56) the Hoare annotation is: true [2018-11-23 06:13:59,588 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 38 56) no Hoare annotation was computed. [2018-11-23 06:13:59,589 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 51) no Hoare annotation was computed. [2018-11-23 06:13:59,589 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 38 56) no Hoare annotation was computed. [2018-11-23 06:13:59,589 INFO L448 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-11-23 06:13:59,589 INFO L444 ceAbstractionStarter]: At program point L50(line 50) the Hoare annotation is: (and (exists ((fabs_float_~ix~0 (_ BitVec 32))) (and (= (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 ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (= 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)))))) (= main_~x~0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) [2018-11-23 06:13:59,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:13:59 BoogieIcfgContainer [2018-11-23 06:13:59,600 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 06:13:59,601 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:13:59,601 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:13:59,601 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:13:59,601 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:13:58" (3/4) ... [2018-11-23 06:13:59,605 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 06:13:59,610 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-11-23 06:13:59,611 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 06:13:59,611 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-11-23 06:13:59,611 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 06:13:59,615 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-11-23 06:13:59,616 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 06:13:59,616 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 06:13:59,641 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-11-23 06:13:59,641 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-23 06:13:59,653 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ce8319b6-1ffa-4e86-8ace-b983eed97a5d/bin-2019/uautomizer/witness.graphml [2018-11-23 06:13:59,653 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:13:59,654 INFO L168 Benchmark]: Toolchain (without parser) took 1795.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 950.8 MB in the beginning and 983.0 MB in the end (delta: -32.2 MB). Peak memory consumption was 102.5 MB. Max. memory is 11.5 GB. [2018-11-23 06:13:59,655 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:13:59,655 INFO L168 Benchmark]: CACSL2BoogieTranslator took 196.16 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 06:13:59,655 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.66 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:13:59,656 INFO L168 Benchmark]: Boogie Preprocessor took 24.85 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:13:59,656 INFO L168 Benchmark]: RCFGBuilder took 221.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -176.1 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2018-11-23 06:13:59,656 INFO L168 Benchmark]: TraceAbstraction took 1280.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 989.9 MB in the end (delta: 114.1 MB). Peak memory consumption was 114.1 MB. Max. memory is 11.5 GB. [2018-11-23 06:13:59,656 INFO L168 Benchmark]: Witness Printer took 52.62 ms. Allocated memory is still 1.2 GB. Free memory was 989.9 MB in the beginning and 983.0 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-23 06:13:59,658 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 196.16 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.66 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.85 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 221.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -176.1 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1280.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 989.9 MB in the end (delta: 114.1 MB). Peak memory consumption was 114.1 MB. Max. memory is 11.5 GB. * Witness Printer took 52.62 ms. Allocated memory is still 1.2 GB. Free memory was 989.9 MB in the beginning and 983.0 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 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, 1.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.5s 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, 0.6s 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, 60 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 45 ConstructedInterpolants, 8 QuantifiedInterpolants, 8097 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...