./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6e594f5c-62fc-4732-9265-e3be99e87407/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6e594f5c-62fc-4732-9265-e3be99e87407/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6e594f5c-62fc-4732-9265-e3be99e87407/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6e594f5c-62fc-4732-9265-e3be99e87407/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6e594f5c-62fc-4732-9265-e3be99e87407/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6e594f5c-62fc-4732-9265-e3be99e87407/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 e16d2ad47f8069122c38404dcdf9504ef10df900 .................................................................................................................................................................................................................................................................................................... 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_6e594f5c-62fc-4732-9265-e3be99e87407/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6e594f5c-62fc-4732-9265-e3be99e87407/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6e594f5c-62fc-4732-9265-e3be99e87407/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6e594f5c-62fc-4732-9265-e3be99e87407/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6e594f5c-62fc-4732-9265-e3be99e87407/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6e594f5c-62fc-4732-9265-e3be99e87407/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 e16d2ad47f8069122c38404dcdf9504ef10df900 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:40:31,557 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:40:31,558 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:40:31,565 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:40:31,566 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:40:31,566 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:40:31,567 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:40:31,568 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:40:31,569 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:40:31,570 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:40:31,571 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:40:31,571 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:40:31,571 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:40:31,572 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:40:31,573 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:40:31,573 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:40:31,573 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:40:31,574 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:40:31,575 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:40:31,576 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:40:31,577 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:40:31,578 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:40:31,579 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:40:31,580 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:40:31,580 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:40:31,580 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:40:31,581 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:40:31,581 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:40:31,582 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:40:31,582 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:40:31,583 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:40:31,583 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:40:31,583 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:40:31,583 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:40:31,584 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:40:31,585 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:40:31,585 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6e594f5c-62fc-4732-9265-e3be99e87407/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf [2018-11-18 11:40:31,592 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:40:31,592 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:40:31,593 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:40:31,593 INFO L133 SettingsManager]: * Process only entry and re-entry procedures=false [2018-11-18 11:40:31,593 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:40:31,594 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:40:31,594 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:40:31,594 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:40:31,594 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:40:31,594 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:40:31,594 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:40:31,594 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:40:31,595 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:40:31,595 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:40:31,595 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:40:31,595 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:40:31,595 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:40:31,595 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:40:31,595 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:40:31,596 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:40:31,596 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:40:31,596 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:40:31,596 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:40:31,596 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:40:31,596 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:40:31,596 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:40:31,597 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:40:31,597 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:40:31,597 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:40:31,597 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:40:31,597 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_6e594f5c-62fc-4732-9265-e3be99e87407/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 -> e16d2ad47f8069122c38404dcdf9504ef10df900 [2018-11-18 11:40:31,621 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:40:31,630 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:40:31,633 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:40:31,634 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:40:31,634 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:40:31,635 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6e594f5c-62fc-4732-9265-e3be99e87407/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c [2018-11-18 11:40:31,681 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6e594f5c-62fc-4732-9265-e3be99e87407/bin-2019/uautomizer/data/7f86631c0/8d36bfea256a420294aa19b99f4609db/FLAGdd565b676 [2018-11-18 11:40:32,073 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:40:32,073 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6e594f5c-62fc-4732-9265-e3be99e87407/sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c [2018-11-18 11:40:32,077 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6e594f5c-62fc-4732-9265-e3be99e87407/bin-2019/uautomizer/data/7f86631c0/8d36bfea256a420294aa19b99f4609db/FLAGdd565b676 [2018-11-18 11:40:32,087 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6e594f5c-62fc-4732-9265-e3be99e87407/bin-2019/uautomizer/data/7f86631c0/8d36bfea256a420294aa19b99f4609db [2018-11-18 11:40:32,089 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:40:32,089 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 11:40:32,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:40:32,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:40:32,093 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:40:32,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:40:32" (1/1) ... [2018-11-18 11:40:32,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@132b5adf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:40:32, skipping insertion in model container [2018-11-18 11:40:32,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:40:32" (1/1) ... [2018-11-18 11:40:32,101 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:40:32,115 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:40:32,223 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:40:32,225 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:40:32,239 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:40:32,251 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:40:32,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:40:32 WrapperNode [2018-11-18 11:40:32,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:40:32,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:40:32,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:40:32,252 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:40:32,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:40:32" (1/1) ... [2018-11-18 11:40:32,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:40:32" (1/1) ... [2018-11-18 11:40:32,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:40:32" (1/1) ... [2018-11-18 11:40:32,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:40:32" (1/1) ... [2018-11-18 11:40:32,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:40:32" (1/1) ... [2018-11-18 11:40:32,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:40:32" (1/1) ... [2018-11-18 11:40:32,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:40:32" (1/1) ... [2018-11-18 11:40:32,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:40:32,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:40:32,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:40:32,321 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:40:32,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:40:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6e594f5c-62fc-4732-9265-e3be99e87407/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 [2018-11-18 11:40:32,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:40:32,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:40:32,359 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_float [2018-11-18 11:40:32,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-18 11:40:32,359 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:40:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 11:40:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_float [2018-11-18 11:40:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:40:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 11:40:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 11:40:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 11:40:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 11:40:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 11:40:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-18 11:40:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:40:32,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:40:32,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:40:32,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 11:40:32,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-18 11:40:32,554 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:40:32,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:40:32 BoogieIcfgContainer [2018-11-18 11:40:32,554 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:40:32,555 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:40:32,555 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:40:32,558 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:40:32,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:40:32" (1/3) ... [2018-11-18 11:40:32,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@86fd5fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:40:32, skipping insertion in model container [2018-11-18 11:40:32,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:40:32" (2/3) ... [2018-11-18 11:40:32,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@86fd5fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:40:32, skipping insertion in model container [2018-11-18 11:40:32,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:40:32" (3/3) ... [2018-11-18 11:40:32,561 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072d_true-unreach-call.c [2018-11-18 11:40:32,570 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:40:32,576 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:40:32,585 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:40:32,608 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:40:32,609 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:40:32,609 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:40:32,609 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:40:32,609 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:40:32,609 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:40:32,609 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:40:32,609 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:40:32,609 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:40:32,622 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2018-11-18 11:40:32,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 11:40:32,627 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:40:32,628 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:40:32,630 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:40:32,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:40:32,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1927904079, now seen corresponding path program 1 times [2018-11-18 11:40:32,635 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:40:32,636 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:40:32,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:40:32,666 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:40:32,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:40:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:40:32,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:40:32,724 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:40:32,724 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 11:40:32,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 11:40:32,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 11:40:32,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:40:32,737 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 2 states. [2018-11-18 11:40:32,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:40:32,752 INFO L93 Difference]: Finished difference Result 68 states and 93 transitions. [2018-11-18 11:40:32,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 11:40:32,753 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-11-18 11:40:32,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:40:32,758 INFO L225 Difference]: With dead ends: 68 [2018-11-18 11:40:32,759 INFO L226 Difference]: Without dead ends: 34 [2018-11-18 11:40:32,761 INFO L604 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 [2018-11-18 11:40:32,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-11-18 11:40:32,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-11-18 11:40:32,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-18 11:40:32,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2018-11-18 11:40:32,787 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 18 [2018-11-18 11:40:32,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:40:32,787 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2018-11-18 11:40:32,787 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 11:40:32,787 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2018-11-18 11:40:32,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 11:40:32,788 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:40:32,788 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:40:32,789 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:40:32,789 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:40:32,789 INFO L82 PathProgramCache]: Analyzing trace with hash -1961231986, now seen corresponding path program 1 times [2018-11-18 11:40:32,789 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:40:32,789 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:40:32,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:40:32,790 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:40:32,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:40:32,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:40:32,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:40:32,861 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 11:40:32,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:40:32 BoogieIcfgContainer [2018-11-18 11:40:32,879 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:40:32,879 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:40:32,879 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:40:32,879 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:40:32,880 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:40:32" (3/4) ... [2018-11-18 11:40:32,882 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 11:40:32,882 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:40:32,882 INFO L168 Benchmark]: Toolchain (without parser) took 793.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 962.3 MB in the beginning and 1.1 GB in the end (delta: -140.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:40:32,883 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:40:32,884 INFO L168 Benchmark]: CACSL2BoogieTranslator took 161.66 ms. Allocated memory is still 1.0 GB. Free memory was 962.3 MB in the beginning and 946.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:40:32,884 INFO L168 Benchmark]: Boogie Preprocessor took 68.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 946.2 MB in the beginning and 1.2 GB in the end (delta: -206.1 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:40:32,885 INFO L168 Benchmark]: RCFGBuilder took 233.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:40:32,885 INFO L168 Benchmark]: TraceAbstraction took 323.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:40:32,885 INFO L168 Benchmark]: Witness Printer took 3.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:40:32,887 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 161.66 ms. Allocated memory is still 1.0 GB. Free memory was 962.3 MB in the beginning and 946.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 68.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 946.2 MB in the beginning and 1.2 GB in the end (delta: -206.1 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 233.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 323.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 67]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 66, overapproximation of bitwiseAnd at line 19, overapproximation of someUnaryFLOAToperation at line 62, overapproximation of someBinaryArithmeticFLOAToperation at line 38. Possible FailurePath: [L62] float x = -0.0f; [L63] CALL, EXPR trunc_float(x) VAL [\old(x)=6442450948] [L13] __int32_t signbit, w, exponent_less_127; VAL [\old(x)=6442450948, x=6442450948] [L15] FCALL ieee_float_shape_type gf_u; [L16] FCALL gf_u.value = (x) [L17] EXPR, FCALL gf_u.word [L17] (w) = gf_u.word [L18] COND FALSE !(0) VAL [\old(x)=6442450948, w=-2147483648, x=6442450948] [L19] signbit = w & 0x80000000 [L20] exponent_less_127 = ((w & 0x7f800000) >> 23) - 127 VAL [\old(x)=6442450948, exponent_less_127=255, signbit=-1, w=-2147483648, x=6442450948] [L21] COND FALSE !(exponent_less_127 < 23) VAL [\old(x)=6442450948, exponent_less_127=255, signbit=-1, w=-2147483648, x=6442450948] [L37] COND TRUE exponent_less_127 == 255 [L38] RET return x + x; VAL [\old(x)=6442450948, exponent_less_127=255, signbit=-1, w=-2147483648, x=6442450948] [L63] EXPR trunc_float(x) VAL [trunc_float(x)=6442450945, x=6442450948] [L63] float res = trunc_float(x); [L66] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [res=6442450945, res == -0.0f && __signbit_float(res) == 1=0, x=6442450948] [L66] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L67] __VERIFIER_error() VAL [res=6442450945, x=6442450948] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 38 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 41 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=38occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 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 0.1.23-5842f4b [2018-11-18 11:40:34,322 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:40:34,323 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:40:34,331 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:40:34,331 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:40:34,332 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:40:34,333 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:40:34,334 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:40:34,335 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:40:34,336 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:40:34,336 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:40:34,336 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:40:34,337 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:40:34,338 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:40:34,339 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:40:34,339 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:40:34,340 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:40:34,341 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:40:34,342 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:40:34,343 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:40:34,344 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:40:34,345 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:40:34,346 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:40:34,346 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:40:34,347 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:40:34,347 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:40:34,348 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:40:34,348 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:40:34,349 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:40:34,350 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:40:34,350 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:40:34,350 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:40:34,350 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:40:34,351 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:40:34,351 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:40:34,352 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:40:34,352 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6e594f5c-62fc-4732-9265-e3be99e87407/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-18 11:40:34,362 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:40:34,362 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:40:34,363 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:40:34,363 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:40:34,363 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:40:34,363 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:40:34,364 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:40:34,364 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:40:34,364 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:40:34,364 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:40:34,364 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:40:34,364 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:40:34,364 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:40:34,364 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:40:34,365 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 11:40:34,365 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 11:40:34,365 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:40:34,365 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:40:34,365 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:40:34,365 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:40:34,365 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:40:34,365 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:40:34,366 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:40:34,366 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:40:34,366 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:40:34,366 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:40:34,366 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:40:34,366 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:40:34,366 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 11:40:34,366 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:40:34,367 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 11:40:34,367 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 11:40:34,367 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_6e594f5c-62fc-4732-9265-e3be99e87407/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 -> e16d2ad47f8069122c38404dcdf9504ef10df900 [2018-11-18 11:40:34,396 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:40:34,405 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:40:34,408 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:40:34,409 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:40:34,409 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:40:34,410 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6e594f5c-62fc-4732-9265-e3be99e87407/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c [2018-11-18 11:40:34,453 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6e594f5c-62fc-4732-9265-e3be99e87407/bin-2019/uautomizer/data/b943831df/f29eb5e9ae9c4c89ae85ff31cdc42b6a/FLAGf340a006a [2018-11-18 11:40:34,779 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:40:34,779 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6e594f5c-62fc-4732-9265-e3be99e87407/sv-benchmarks/c/float-newlib/float_req_bl_1072d_true-unreach-call.c [2018-11-18 11:40:34,783 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6e594f5c-62fc-4732-9265-e3be99e87407/bin-2019/uautomizer/data/b943831df/f29eb5e9ae9c4c89ae85ff31cdc42b6a/FLAGf340a006a [2018-11-18 11:40:35,216 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6e594f5c-62fc-4732-9265-e3be99e87407/bin-2019/uautomizer/data/b943831df/f29eb5e9ae9c4c89ae85ff31cdc42b6a [2018-11-18 11:40:35,219 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:40:35,220 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 11:40:35,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:40:35,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:40:35,223 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:40:35,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:40:35" (1/1) ... [2018-11-18 11:40:35,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f1da50a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:40:35, skipping insertion in model container [2018-11-18 11:40:35,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:40:35" (1/1) ... [2018-11-18 11:40:35,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:40:35,248 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:40:35,371 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:40:35,375 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:40:35,393 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:40:35,407 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:40:35,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:40:35 WrapperNode [2018-11-18 11:40:35,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:40:35,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:40:35,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:40:35,408 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:40:35,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:40:35" (1/1) ... [2018-11-18 11:40:35,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:40:35" (1/1) ... [2018-11-18 11:40:35,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:40:35" (1/1) ... [2018-11-18 11:40:35,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:40:35" (1/1) ... [2018-11-18 11:40:35,434 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:40:35" (1/1) ... [2018-11-18 11:40:35,439 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:40:35" (1/1) ... [2018-11-18 11:40:35,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:40:35" (1/1) ... [2018-11-18 11:40:35,443 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:40:35,444 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:40:35,444 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:40:35,444 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:40:35,445 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:40:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6e594f5c-62fc-4732-9265-e3be99e87407/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 [2018-11-18 11:40:35,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:40:35,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:40:35,537 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_float [2018-11-18 11:40:35,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-18 11:40:35,537 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:40:35,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 11:40:35,537 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_float [2018-11-18 11:40:35,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:40:35,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-18 11:40:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 11:40:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 11:40:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 11:40:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-18 11:40:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-18 11:40:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:40:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:40:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:40:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-18 11:40:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-11-18 11:40:35,748 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 11:40:35,754 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:40:35,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:40:35 BoogieIcfgContainer [2018-11-18 11:40:35,754 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:40:35,755 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:40:35,755 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:40:35,758 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:40:35,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:40:35" (1/3) ... [2018-11-18 11:40:35,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34a21245 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:40:35, skipping insertion in model container [2018-11-18 11:40:35,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:40:35" (2/3) ... [2018-11-18 11:40:35,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34a21245 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:40:35, skipping insertion in model container [2018-11-18 11:40:35,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:40:35" (3/3) ... [2018-11-18 11:40:35,760 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072d_true-unreach-call.c [2018-11-18 11:40:35,766 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:40:35,771 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:40:35,779 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:40:35,796 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:40:35,796 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:40:35,796 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:40:35,796 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:40:35,796 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:40:35,796 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:40:35,797 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:40:35,797 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:40:35,797 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:40:35,807 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2018-11-18 11:40:35,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 11:40:35,810 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:40:35,811 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:40:35,812 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:40:35,815 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:40:35,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1927904079, now seen corresponding path program 1 times [2018-11-18 11:40:35,818 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:40:35,818 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6e594f5c-62fc-4732-9265-e3be99e87407/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 [2018-11-18 11:40:35,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:40:35,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:40:35,872 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:40:35,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:40:35,883 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:40:35,891 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:40:35,891 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 11:40:35,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 11:40:35,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 11:40:35,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:40:35,906 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 2 states. [2018-11-18 11:40:35,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:40:35,925 INFO L93 Difference]: Finished difference Result 68 states and 93 transitions. [2018-11-18 11:40:35,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 11:40:35,926 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-11-18 11:40:35,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:40:35,932 INFO L225 Difference]: With dead ends: 68 [2018-11-18 11:40:35,932 INFO L226 Difference]: Without dead ends: 34 [2018-11-18 11:40:35,934 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:40:35,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-11-18 11:40:35,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-11-18 11:40:35,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-18 11:40:35,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2018-11-18 11:40:35,960 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 18 [2018-11-18 11:40:35,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:40:35,961 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2018-11-18 11:40:35,961 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 11:40:35,961 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2018-11-18 11:40:35,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 11:40:35,962 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:40:35,962 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:40:35,962 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:40:35,962 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:40:35,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1961231986, now seen corresponding path program 1 times [2018-11-18 11:40:35,963 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:40:35,963 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6e594f5c-62fc-4732-9265-e3be99e87407/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 [2018-11-18 11:40:35,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:40:36,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:40:36,010 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:40:36,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:40:36,120 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:40:36,128 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:40:36,128 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 11:40:36,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 11:40:36,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 11:40:36,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:40:36,130 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand 7 states. [2018-11-18 11:40:36,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:40:36,515 INFO L93 Difference]: Finished difference Result 52 states and 55 transitions. [2018-11-18 11:40:36,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 11:40:36,516 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-11-18 11:40:36,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:40:36,517 INFO L225 Difference]: With dead ends: 52 [2018-11-18 11:40:36,517 INFO L226 Difference]: Without dead ends: 33 [2018-11-18 11:40:36,518 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-18 11:40:36,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-11-18 11:40:36,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-11-18 11:40:36,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-18 11:40:36,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2018-11-18 11:40:36,523 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 19 [2018-11-18 11:40:36,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:40:36,523 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2018-11-18 11:40:36,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 11:40:36,524 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-11-18 11:40:36,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 11:40:36,524 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:40:36,524 INFO L375 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] [2018-11-18 11:40:36,524 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:40:36,524 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:40:36,525 INFO L82 PathProgramCache]: Analyzing trace with hash 53341730, now seen corresponding path program 1 times [2018-11-18 11:40:36,525 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:40:36,525 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6e594f5c-62fc-4732-9265-e3be99e87407/bin-2019/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-18 11:40:36,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:40:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:40:36,557 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:40:36,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:40:36,636 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:40:36,647 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:40:36,648 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 11:40:36,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 11:40:36,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 11:40:36,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:40:36,649 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 7 states. [2018-11-18 11:40:36,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:40:36,897 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2018-11-18 11:40:36,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 11:40:36,898 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-11-18 11:40:36,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:40:36,898 INFO L225 Difference]: With dead ends: 49 [2018-11-18 11:40:36,898 INFO L226 Difference]: Without dead ends: 31 [2018-11-18 11:40:36,899 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-11-18 11:40:36,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-11-18 11:40:36,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-11-18 11:40:36,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-11-18 11:40:36,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2018-11-18 11:40:36,902 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 22 [2018-11-18 11:40:36,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:40:36,902 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2018-11-18 11:40:36,903 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 11:40:36,903 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2018-11-18 11:40:36,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 11:40:36,903 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:40:36,903 INFO L375 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] [2018-11-18 11:40:36,904 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:40:36,904 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:40:36,904 INFO L82 PathProgramCache]: Analyzing trace with hash -324261071, now seen corresponding path program 1 times [2018-11-18 11:40:36,904 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:40:36,904 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6e594f5c-62fc-4732-9265-e3be99e87407/bin-2019/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-18 11:40:36,907 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:40:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:40:36,930 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:40:36,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:40:36,995 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:40:37,006 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:40:37,006 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 11:40:37,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 11:40:37,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 11:40:37,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:40:37,007 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand 7 states. [2018-11-18 11:40:37,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:40:37,129 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2018-11-18 11:40:37,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:40:37,129 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-11-18 11:40:37,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:40:37,130 INFO L225 Difference]: With dead ends: 34 [2018-11-18 11:40:37,130 INFO L226 Difference]: Without dead ends: 31 [2018-11-18 11:40:37,130 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:40:37,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-11-18 11:40:37,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-11-18 11:40:37,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-11-18 11:40:37,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 30 transitions. [2018-11-18 11:40:37,134 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 30 transitions. Word has length 22 [2018-11-18 11:40:37,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:40:37,135 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 30 transitions. [2018-11-18 11:40:37,135 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 11:40:37,135 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 30 transitions. [2018-11-18 11:40:37,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 11:40:37,136 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:40:37,136 INFO L375 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, 1, 1, 1, 1] [2018-11-18 11:40:37,136 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:40:37,136 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:40:37,136 INFO L82 PathProgramCache]: Analyzing trace with hash 1959653603, now seen corresponding path program 1 times [2018-11-18 11:40:37,137 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 11:40:37,137 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6e594f5c-62fc-4732-9265-e3be99e87407/bin-2019/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-18 11:40:37,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:40:37,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:40:37,175 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:40:37,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:40:37,461 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:40:37,469 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:40:37,469 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-11-18 11:40:37,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 11:40:37,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 11:40:37,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2018-11-18 11:40:37,470 INFO L87 Difference]: Start difference. First operand 31 states and 30 transitions. Second operand 15 states. [2018-11-18 11:40:38,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:40:38,025 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2018-11-18 11:40:38,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 11:40:38,026 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 30 [2018-11-18 11:40:38,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:40:38,026 INFO L225 Difference]: With dead ends: 31 [2018-11-18 11:40:38,026 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 11:40:38,027 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=75, Invalid=477, Unknown=0, NotChecked=0, Total=552 [2018-11-18 11:40:38,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 11:40:38,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 11:40:38,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 11:40:38,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:40:38,028 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2018-11-18 11:40:38,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:40:38,028 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:40:38,028 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 11:40:38,028 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:40:38,028 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:40:38,031 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 11:40:38,166 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:40:38,166 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:40:38,167 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:40:38,167 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:40:38,167 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 11:40:38,167 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:40:38,167 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:40:38,167 INFO L421 ceAbstractionStarter]: At program point L66-1(line 66) the Hoare annotation is: (and (= main_~x~0 (fp.neg (_ +zero 8 24))) |main_#t~short10| (exists ((trunc_float_~w~0 (_ BitVec 32))) (and (= main_~res~0 (let ((.cse0 (bvand (_ bv2147483648 32) trunc_float_~w~0))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) (fp.neg (_ +zero 8 24)))))) [2018-11-18 11:40:38,167 INFO L425 ceAbstractionStarter]: For program point L66-2(line 66) no Hoare annotation was computed. [2018-11-18 11:40:38,167 INFO L421 ceAbstractionStarter]: At program point L63(line 63) the Hoare annotation is: (= main_~x~0 (fp.neg (_ +zero 8 24))) [2018-11-18 11:40:38,168 INFO L425 ceAbstractionStarter]: For program point L63-1(line 63) no Hoare annotation was computed. [2018-11-18 11:40:38,168 INFO L425 ceAbstractionStarter]: For program point L66-4(lines 66 69) no Hoare annotation was computed. [2018-11-18 11:40:38,168 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 55 72) the Hoare annotation is: true [2018-11-18 11:40:38,168 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 55 72) no Hoare annotation was computed. [2018-11-18 11:40:38,168 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 55 72) no Hoare annotation was computed. [2018-11-18 11:40:38,168 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 11:40:38,168 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 67) no Hoare annotation was computed. [2018-11-18 11:40:38,169 INFO L425 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2018-11-18 11:40:38,169 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2018-11-18 11:40:38,169 INFO L425 ceAbstractionStarter]: For program point trunc_floatFINAL(lines 12 41) no Hoare annotation was computed. [2018-11-18 11:40:38,169 INFO L421 ceAbstractionStarter]: At program point L24-3(lines 24 28) the Hoare annotation is: (and (exists ((trunc_float_~w~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483648 32) trunc_float_~w~0) trunc_float_~signbit~0) (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|))) (= trunc_float_~x |trunc_float_#in~x|) (exists ((trunc_float_~w~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|) (= (bvadd (bvashr (bvand (_ bv2139095040 32) trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) trunc_float_~exponent_less_127~0))) (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|)) [2018-11-18 11:40:38,169 INFO L425 ceAbstractionStarter]: For program point L37(lines 37 38) no Hoare annotation was computed. [2018-11-18 11:40:38,169 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 39) no Hoare annotation was computed. [2018-11-18 11:40:38,169 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 21 39) no Hoare annotation was computed. [2018-11-18 11:40:38,169 INFO L428 ceAbstractionStarter]: At program point trunc_floatENTRY(lines 12 41) the Hoare annotation is: true [2018-11-18 11:40:38,169 INFO L425 ceAbstractionStarter]: For program point trunc_floatEXIT(lines 12 41) no Hoare annotation was computed. [2018-11-18 11:40:38,170 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 30 34) no Hoare annotation was computed. [2018-11-18 11:40:38,170 INFO L421 ceAbstractionStarter]: At program point L30-3(lines 30 34) the Hoare annotation is: (and (exists ((trunc_float_~w~0 (_ BitVec 32))) (and (not (bvslt (bvadd (bvashr (bvand (_ bv2139095040 32) trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) (_ bv0 32))) (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|))) (= trunc_float_~x |trunc_float_#in~x|) (exists ((trunc_float_~w~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|) (= (bvadd (bvashr (bvand (_ bv2139095040 32) trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) trunc_float_~exponent_less_127~0))) (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|)) [2018-11-18 11:40:38,170 INFO L425 ceAbstractionStarter]: For program point L22(lines 22 35) no Hoare annotation was computed. [2018-11-18 11:40:38,170 INFO L425 ceAbstractionStarter]: For program point L14-1(lines 14 18) no Hoare annotation was computed. [2018-11-18 11:40:38,170 INFO L421 ceAbstractionStarter]: At program point L14-3(lines 14 18) the Hoare annotation is: (= trunc_float_~x |trunc_float_#in~x|) [2018-11-18 11:40:38,170 INFO L425 ceAbstractionStarter]: For program point L14-4(lines 14 18) no Hoare annotation was computed. [2018-11-18 11:40:38,170 INFO L425 ceAbstractionStarter]: For program point __signbit_floatFINAL(lines 43 53) no Hoare annotation was computed. [2018-11-18 11:40:38,170 INFO L428 ceAbstractionStarter]: At program point __signbit_floatENTRY(lines 43 53) the Hoare annotation is: true [2018-11-18 11:40:38,171 INFO L425 ceAbstractionStarter]: For program point L46-1(lines 46 50) no Hoare annotation was computed. [2018-11-18 11:40:38,171 INFO L425 ceAbstractionStarter]: For program point __signbit_floatEXIT(lines 43 53) no Hoare annotation was computed. [2018-11-18 11:40:38,171 INFO L421 ceAbstractionStarter]: At program point L46-3(lines 46 50) the Hoare annotation is: (= |__signbit_float_#in~x| __signbit_float_~x) [2018-11-18 11:40:38,171 INFO L425 ceAbstractionStarter]: For program point L46-4(lines 46 50) no Hoare annotation was computed. [2018-11-18 11:40:38,179 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,179 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,180 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,180 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,180 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,180 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,180 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,181 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,181 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,182 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,182 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,182 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,182 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,183 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,183 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,183 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,184 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,184 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,185 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,185 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,185 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,185 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,185 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,186 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,186 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,186 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,187 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,187 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,187 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,187 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,187 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,188 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:40:38 BoogieIcfgContainer [2018-11-18 11:40:38,190 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:40:38,190 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:40:38,190 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:40:38,190 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:40:38,191 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:40:35" (3/4) ... [2018-11-18 11:40:38,194 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:40:38,200 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:40:38,200 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:40:38,200 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure trunc_float [2018-11-18 11:40:38,200 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_float [2018-11-18 11:40:38,204 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2018-11-18 11:40:38,204 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-18 11:40:38,205 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 11:40:38,222 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-11-18 11:40:38,222 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-18 11:40:38,223 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists trunc_float_~w~0 : bv32 :: ~bvand32(2147483648bv32, trunc_float_~w~0) == signbit && ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x)) && x == \old(x)) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvadd64(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == \old(x) [2018-11-18 11:40:38,223 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists trunc_float_~w~0 : bv32 :: !~bvslt32(~bvadd64(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32), 0bv32) && ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x)) && x == \old(x)) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvadd64(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == \old(x) [2018-11-18 11:40:38,238 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6e594f5c-62fc-4732-9265-e3be99e87407/bin-2019/uautomizer/witness.graphml [2018-11-18 11:40:38,238 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:40:38,239 INFO L168 Benchmark]: Toolchain (without parser) took 3019.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 953.2 MB in the beginning and 887.9 MB in the end (delta: 65.4 MB). Peak memory consumption was 210.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:40:38,240 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-11-18 11:40:38,240 INFO L168 Benchmark]: CACSL2BoogieTranslator took 186.64 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:40:38,240 INFO L168 Benchmark]: Boogie Preprocessor took 35.62 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:40:38,240 INFO L168 Benchmark]: RCFGBuilder took 310.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:40:38,241 INFO L168 Benchmark]: TraceAbstraction took 2434.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 887.9 MB in the end (delta: 225.7 MB). Peak memory consumption was 225.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:40:38,241 INFO L168 Benchmark]: Witness Printer took 48.25 ms. Allocated memory is still 1.2 GB. Free memory is still 887.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:40:38,243 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 186.64 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.62 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 310.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2434.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 887.9 MB in the end (delta: 225.7 MB). Peak memory consumption was 225.7 MB. Max. memory is 11.5 GB. * Witness Printer took 48.25 ms. Allocated memory is still 1.2 GB. Free memory is still 887.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 67]: 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: 14]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 30]: Loop Invariant [2018-11-18 11:40:38,249 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,249 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,249 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,249 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,249 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,249 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,249 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,250 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,250 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,250 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,250 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,250 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,250 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,251 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,251 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,251 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] Derived loop invariant: (((\exists trunc_float_~w~0 : bv32 :: !~bvslt32(~bvadd64(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32), 0bv32) && ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x)) && x == \old(x)) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvadd64(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == \old(x) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 24]: Loop Invariant [2018-11-18 11:40:38,251 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,251 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,251 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,251 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,252 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,252 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,252 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,252 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,252 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,252 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,252 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,253 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,253 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,253 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,253 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-11-18 11:40:38,253 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] Derived loop invariant: (((\exists trunc_float_~w~0 : bv32 :: ~bvand32(2147483648bv32, trunc_float_~w~0) == signbit && ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x)) && x == \old(x)) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvadd64(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == \old(x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 38 locations, 1 error locations. SAFE Result, 2.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 137 SDtfs, 106 SDslu, 507 SDs, 0 SdLazy, 229 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 126 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 18 PreInvPairs, 23 NumberOfFragments, 152 HoareAnnotationTreeSize, 18 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 111 NumberOfCodeBlocks, 111 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 106 ConstructedInterpolants, 31 QuantifiedInterpolants, 19515 SizeOfPredicates, 21 NumberOfNonLiveVariables, 284 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...