./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/cast_union_loose_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6e3f2ed2-8fc3-4966-a2ae-d6fcb5eaccf4/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6e3f2ed2-8fc3-4966-a2ae-d6fcb5eaccf4/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6e3f2ed2-8fc3-4966-a2ae-d6fcb5eaccf4/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6e3f2ed2-8fc3-4966-a2ae-d6fcb5eaccf4/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_union_loose_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6e3f2ed2-8fc3-4966-a2ae-d6fcb5eaccf4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6e3f2ed2-8fc3-4966-a2ae-d6fcb5eaccf4/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 4ab78e88e866bccb3788105d7b85f6b41d9bbaf2 ............................................................................................................................................................................................................................................................................. 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_6e3f2ed2-8fc3-4966-a2ae-d6fcb5eaccf4/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6e3f2ed2-8fc3-4966-a2ae-d6fcb5eaccf4/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6e3f2ed2-8fc3-4966-a2ae-d6fcb5eaccf4/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6e3f2ed2-8fc3-4966-a2ae-d6fcb5eaccf4/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_union_loose_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6e3f2ed2-8fc3-4966-a2ae-d6fcb5eaccf4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6e3f2ed2-8fc3-4966-a2ae-d6fcb5eaccf4/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 4ab78e88e866bccb3788105d7b85f6b41d9bbaf2 ................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 03:21:06,716 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:21:06,718 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:21:06,727 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:21:06,727 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:21:06,728 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:21:06,729 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:21:06,730 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:21:06,731 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:21:06,732 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:21:06,732 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:21:06,733 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:21:06,733 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:21:06,734 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:21:06,735 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:21:06,735 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:21:06,736 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:21:06,737 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:21:06,739 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:21:06,740 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:21:06,741 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:21:06,742 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:21:06,743 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:21:06,743 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:21:06,744 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:21:06,744 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:21:06,745 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:21:06,746 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:21:06,746 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:21:06,747 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:21:06,747 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:21:06,748 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:21:06,748 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:21:06,748 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:21:06,749 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:21:06,750 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:21:06,750 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6e3f2ed2-8fc3-4966-a2ae-d6fcb5eaccf4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 03:21:06,761 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:21:06,761 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:21:06,762 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 03:21:06,762 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 03:21:06,763 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 03:21:06,763 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 03:21:06,763 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 03:21:06,763 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:21:06,763 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:21:06,764 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 03:21:06,764 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:21:06,764 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:21:06,764 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 03:21:06,764 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 03:21:06,764 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 03:21:06,765 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:21:06,765 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:21:06,765 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 03:21:06,765 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:21:06,765 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 03:21:06,765 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 03:21:06,766 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 03:21:06,766 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 03:21:06,766 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:21:06,766 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 03:21:06,766 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 03:21:06,766 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 03:21:06,766 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 03:21:06,767 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 03:21:06,767 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_6e3f2ed2-8fc3-4966-a2ae-d6fcb5eaccf4/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 -> 4ab78e88e866bccb3788105d7b85f6b41d9bbaf2 [2018-11-10 03:21:06,793 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:21:06,804 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:21:06,807 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:21:06,808 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:21:06,809 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:21:06,809 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6e3f2ed2-8fc3-4966-a2ae-d6fcb5eaccf4/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/cast_union_loose_false-unreach-call_true-termination.c [2018-11-10 03:21:06,860 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6e3f2ed2-8fc3-4966-a2ae-d6fcb5eaccf4/bin-2019/uautomizer/data/530b78195/c60a511c285c45158b5786960e12c21a/FLAGd6c8f926e [2018-11-10 03:21:07,211 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:21:07,211 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6e3f2ed2-8fc3-4966-a2ae-d6fcb5eaccf4/sv-benchmarks/c/float-benchs/cast_union_loose_false-unreach-call_true-termination.c [2018-11-10 03:21:07,216 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6e3f2ed2-8fc3-4966-a2ae-d6fcb5eaccf4/bin-2019/uautomizer/data/530b78195/c60a511c285c45158b5786960e12c21a/FLAGd6c8f926e [2018-11-10 03:21:07,229 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6e3f2ed2-8fc3-4966-a2ae-d6fcb5eaccf4/bin-2019/uautomizer/data/530b78195/c60a511c285c45158b5786960e12c21a [2018-11-10 03:21:07,232 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:21:07,233 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 03:21:07,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:21:07,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:21:07,238 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:21:07,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:21:07" (1/1) ... [2018-11-10 03:21:07,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51b9e86d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:21:07, skipping insertion in model container [2018-11-10 03:21:07,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:21:07" (1/1) ... [2018-11-10 03:21:07,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:21:07,272 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:21:07,416 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:21:07,419 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:21:07,435 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:21:07,451 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:21:07,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:21:07 WrapperNode [2018-11-10 03:21:07,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:21:07,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:21:07,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:21:07,452 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:21:07,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:21:07" (1/1) ... [2018-11-10 03:21:07,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:21:07" (1/1) ... [2018-11-10 03:21:07,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:21:07" (1/1) ... [2018-11-10 03:21:07,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:21:07" (1/1) ... [2018-11-10 03:21:07,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:21:07" (1/1) ... [2018-11-10 03:21:07,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:21:07" (1/1) ... [2018-11-10 03:21:07,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:21:07" (1/1) ... [2018-11-10 03:21:07,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:21:07,479 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:21:07,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:21:07,479 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:21:07,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:21:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6e3f2ed2-8fc3-4966-a2ae-d6fcb5eaccf4/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 [2018-11-10 03:21:07,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 03:21:07,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:21:07,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 03:21:07,561 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2018-11-10 03:21:07,561 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 03:21:07,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 03:21:07,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-10 03:21:07,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-10 03:21:07,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 03:21:07,561 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2018-11-10 03:21:07,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 03:21:07,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 03:21:07,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 03:21:07,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-10 03:21:07,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 03:21:07,562 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 03:21:07,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 03:21:07,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:21:07,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-10 03:21:07,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-10 03:21:07,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-10 03:21:07,709 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:21:07,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:21:07 BoogieIcfgContainer [2018-11-10 03:21:07,709 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:21:07,710 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 03:21:07,710 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 03:21:07,712 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 03:21:07,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 03:21:07" (1/3) ... [2018-11-10 03:21:07,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1473e8d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:21:07, skipping insertion in model container [2018-11-10 03:21:07,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:21:07" (2/3) ... [2018-11-10 03:21:07,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1473e8d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:21:07, skipping insertion in model container [2018-11-10 03:21:07,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:21:07" (3/3) ... [2018-11-10 03:21:07,714 INFO L112 eAbstractionObserver]: Analyzing ICFG cast_union_loose_false-unreach-call_true-termination.c [2018-11-10 03:21:07,721 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 03:21:07,726 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 03:21:07,737 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 03:21:07,760 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 03:21:07,761 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 03:21:07,761 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 03:21:07,761 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 03:21:07,761 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 03:21:07,762 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 03:21:07,762 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 03:21:07,762 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 03:21:07,762 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 03:21:07,780 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2018-11-10 03:21:07,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 03:21:07,786 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:21:07,788 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:21:07,789 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:21:07,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:21:07,794 INFO L82 PathProgramCache]: Analyzing trace with hash 637573445, now seen corresponding path program 1 times [2018-11-10 03:21:07,795 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 03:21:07,795 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 03:21:07,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:21:07,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:21:07,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:21:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:21:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:21:07,945 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 03:21:07,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 03:21:07 BoogieIcfgContainer [2018-11-10 03:21:07,971 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 03:21:07,971 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:21:07,971 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:21:07,971 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:21:07,972 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:21:07" (3/4) ... [2018-11-10 03:21:07,976 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 03:21:07,976 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:21:07,976 INFO L168 Benchmark]: Toolchain (without parser) took 743.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 958.2 MB in the beginning and 1.1 GB in the end (delta: -155.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:21:07,978 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:21:07,978 INFO L168 Benchmark]: CACSL2BoogieTranslator took 216.90 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:21:07,979 INFO L168 Benchmark]: Boogie Preprocessor took 27.16 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:21:07,980 INFO L168 Benchmark]: RCFGBuilder took 230.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -186.7 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-10 03:21:07,981 INFO L168 Benchmark]: TraceAbstraction took 261.00 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-10 03:21:07,981 INFO L168 Benchmark]: Witness Printer took 4.67 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. [2018-11-10 03:21:07,984 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 216.90 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.16 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 230.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -186.7 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 261.00 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Witness Printer took 4.67 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: 8]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseXor at line 21, overapproximation of someBinaryArithmeticDOUBLEoperation at line 22. Possible FailurePath: [L27] int a; [L28] double r; [L30] a = __VERIFIER_nondet_int() [L33] CALL, EXPR cast(a) VAL [\old(i)=0] [L17] FCALL union u x, y; VAL [\old(i)=0, i=0, x={1127219201:0}, y={1127219208:0}] [L18] FCALL x.i[0] = 0x43300000 VAL [\old(i)=0, i=0, x={1127219201:0}, y={1127219208:0}] [L19] EXPR, FCALL x.i[0] VAL [\old(i)=0, i=0, x={1127219201:0}, x.i[0]=1127219200, y={1127219208:0}] [L19] FCALL y.i[0] = x.i[0] VAL [\old(i)=0, i=0, x={1127219201:0}, x.i[0]=1127219200, y={1127219208:0}] [L20] FCALL x.i[1] = 0x80000000 VAL [\old(i)=0, i=0, x={1127219201:0}, y={1127219208:0}] [L21] EXPR, FCALL x.i[1] VAL [\old(i)=0, i=0, x={1127219201:0}, x.i[1]=-2147483648, y={1127219208:0}] [L21] FCALL y.i[1] = i ^ x.i[1] VAL [\old(i)=0, i=0, x={1127219201:0}, x.i[1]=-2147483648, y={1127219208:0}] [L22] EXPR, FCALL y.d VAL [\old(i)=0, i=0, x={1127219201:0}, y={1127219208:0}, y.d=1127219205] [L22] EXPR, FCALL x.d VAL [\old(i)=0, i=0, x={1127219201:0}, x.d=1127219203, y={1127219208:0}, y.d=1127219205] [L22] return y.d - x.d; [L22] return y.d - x.d; VAL [\old(i)=0, i=0, y={1127219208:0}] [L22] RET return y.d - x.d; VAL [\old(i)=0, i=0] [L33] EXPR cast(a) VAL [a=0, cast(a)=1127219206] [L33] r = cast(a) [L34] CALL __VERIFIER_assert(r >= -10000. && r <= 10000.) VAL [\old(cond)=0] [L8] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L8] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 40 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 0.1.23-1dbac8b [2018-11-10 03:21:09,546 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:21:09,547 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:21:09,555 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:21:09,555 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:21:09,556 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:21:09,557 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:21:09,558 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:21:09,559 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:21:09,560 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:21:09,561 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:21:09,561 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:21:09,561 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:21:09,562 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:21:09,563 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:21:09,564 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:21:09,564 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:21:09,566 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:21:09,567 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:21:09,568 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:21:09,569 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:21:09,570 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:21:09,571 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:21:09,571 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:21:09,572 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:21:09,572 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:21:09,573 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:21:09,574 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:21:09,574 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:21:09,575 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:21:09,575 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:21:09,576 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:21:09,576 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:21:09,576 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:21:09,577 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:21:09,577 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:21:09,577 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6e3f2ed2-8fc3-4966-a2ae-d6fcb5eaccf4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-10 03:21:09,588 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:21:09,589 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:21:09,589 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 03:21:09,589 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 03:21:09,590 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 03:21:09,590 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 03:21:09,590 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 03:21:09,590 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:21:09,590 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:21:09,591 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:21:09,591 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:21:09,591 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 03:21:09,591 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 03:21:09,591 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 03:21:09,591 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 03:21:09,591 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 03:21:09,591 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:21:09,591 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:21:09,591 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 03:21:09,592 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:21:09,592 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 03:21:09,592 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 03:21:09,592 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 03:21:09,592 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 03:21:09,592 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:21:09,593 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 03:21:09,593 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 03:21:09,593 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-10 03:21:09,593 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 03:21:09,593 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 03:21:09,593 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 03:21:09,593 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_6e3f2ed2-8fc3-4966-a2ae-d6fcb5eaccf4/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 -> 4ab78e88e866bccb3788105d7b85f6b41d9bbaf2 [2018-11-10 03:21:09,628 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:21:09,638 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:21:09,641 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:21:09,642 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:21:09,642 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:21:09,643 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6e3f2ed2-8fc3-4966-a2ae-d6fcb5eaccf4/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/cast_union_loose_false-unreach-call_true-termination.c [2018-11-10 03:21:09,696 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6e3f2ed2-8fc3-4966-a2ae-d6fcb5eaccf4/bin-2019/uautomizer/data/aaaa09f77/287623a44247416ab1a1978f5f20dc0e/FLAG81b31453f [2018-11-10 03:21:10,039 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:21:10,039 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6e3f2ed2-8fc3-4966-a2ae-d6fcb5eaccf4/sv-benchmarks/c/float-benchs/cast_union_loose_false-unreach-call_true-termination.c [2018-11-10 03:21:10,043 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6e3f2ed2-8fc3-4966-a2ae-d6fcb5eaccf4/bin-2019/uautomizer/data/aaaa09f77/287623a44247416ab1a1978f5f20dc0e/FLAG81b31453f [2018-11-10 03:21:10,052 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6e3f2ed2-8fc3-4966-a2ae-d6fcb5eaccf4/bin-2019/uautomizer/data/aaaa09f77/287623a44247416ab1a1978f5f20dc0e [2018-11-10 03:21:10,055 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:21:10,055 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 03:21:10,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:21:10,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:21:10,058 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:21:10,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:21:10" (1/1) ... [2018-11-10 03:21:10,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d68c770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:21:10, skipping insertion in model container [2018-11-10 03:21:10,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:21:10" (1/1) ... [2018-11-10 03:21:10,068 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:21:10,082 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:21:10,219 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:21:10,223 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:21:10,245 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:21:10,264 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:21:10,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:21:10 WrapperNode [2018-11-10 03:21:10,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:21:10,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:21:10,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:21:10,265 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:21:10,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:21:10" (1/1) ... [2018-11-10 03:21:10,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:21:10" (1/1) ... [2018-11-10 03:21:10,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:21:10" (1/1) ... [2018-11-10 03:21:10,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:21:10" (1/1) ... [2018-11-10 03:21:10,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:21:10" (1/1) ... [2018-11-10 03:21:10,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:21:10" (1/1) ... [2018-11-10 03:21:10,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:21:10" (1/1) ... [2018-11-10 03:21:10,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:21:10,295 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:21:10,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:21:10,295 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:21:10,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:21:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6e3f2ed2-8fc3-4966-a2ae-d6fcb5eaccf4/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 [2018-11-10 03:21:10,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 03:21:10,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:21:10,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 03:21:10,390 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2018-11-10 03:21:10,390 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 03:21:10,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 03:21:10,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-10 03:21:10,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-10 03:21:10,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 03:21:10,391 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2018-11-10 03:21:10,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 03:21:10,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-10 03:21:10,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-10 03:21:10,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-10 03:21:10,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 03:21:10,392 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 03:21:10,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 03:21:10,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:21:10,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-10 03:21:10,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-11-10 03:21:10,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-10 03:21:10,626 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:21:10,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:21:10 BoogieIcfgContainer [2018-11-10 03:21:10,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:21:10,627 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 03:21:10,627 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 03:21:10,630 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 03:21:10,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 03:21:10" (1/3) ... [2018-11-10 03:21:10,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b2da20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:21:10, skipping insertion in model container [2018-11-10 03:21:10,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:21:10" (2/3) ... [2018-11-10 03:21:10,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b2da20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:21:10, skipping insertion in model container [2018-11-10 03:21:10,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:21:10" (3/3) ... [2018-11-10 03:21:10,635 INFO L112 eAbstractionObserver]: Analyzing ICFG cast_union_loose_false-unreach-call_true-termination.c [2018-11-10 03:21:10,644 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 03:21:10,651 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 03:21:10,662 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 03:21:10,685 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 03:21:10,685 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 03:21:10,685 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 03:21:10,686 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 03:21:10,686 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 03:21:10,686 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 03:21:10,686 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 03:21:10,686 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 03:21:10,686 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 03:21:10,696 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2018-11-10 03:21:10,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 03:21:10,701 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:21:10,702 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, 1, 1] [2018-11-10 03:21:10,704 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:21:10,707 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:21:10,708 INFO L82 PathProgramCache]: Analyzing trace with hash 637573445, now seen corresponding path program 1 times [2018-11-10 03:21:10,711 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 03:21:10,711 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6e3f2ed2-8fc3-4966-a2ae-d6fcb5eaccf4/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 [2018-11-10 03:21:10,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:21:10,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:21:10,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 03:21:11,024 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 03:21:11,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 03:21:11 BoogieIcfgContainer [2018-11-10 03:21:11,051 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 03:21:11,051 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:21:11,051 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:21:11,052 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:21:11,052 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:21:10" (3/4) ... [2018-11-10 03:21:11,054 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 03:21:11,093 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6e3f2ed2-8fc3-4966-a2ae-d6fcb5eaccf4/bin-2019/uautomizer/witness.graphml [2018-11-10 03:21:11,093 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:21:11,094 INFO L168 Benchmark]: Toolchain (without parser) took 1039.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -144.8 MB). Peak memory consumption was 4.6 MB. Max. memory is 11.5 GB. [2018-11-10 03:21:11,095 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-11-10 03:21:11,095 INFO L168 Benchmark]: CACSL2BoogieTranslator took 208.45 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 03:21:11,096 INFO L168 Benchmark]: Boogie Preprocessor took 29.74 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:21:11,096 INFO L168 Benchmark]: RCFGBuilder took 331.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -195.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2018-11-10 03:21:11,097 INFO L168 Benchmark]: TraceAbstraction took 423.81 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: 34.7 MB). Peak memory consumption was 34.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:21:11,097 INFO L168 Benchmark]: Witness Printer took 42.08 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. [2018-11-10 03:21:11,099 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 208.45 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.74 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 331.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -195.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 423.81 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: 34.7 MB). Peak memory consumption was 34.7 MB. Max. memory is 11.5 GB. * Witness Printer took 42.08 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: - CounterExampleResult [Line: 8]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L27] int a; [L28] double r; [L30] a = __VERIFIER_nondet_int() [L33] CALL, EXPR cast(a) VAL [\old(i)=4294959104] [L17] FCALL union u x, y; VAL [\old(i)=4294959104, i=4294959104, x={2:0}, y={3:0}] [L18] FCALL x.i[0] = 0x43300000 VAL [\old(i)=4294959104, i=4294959104, x={2:0}, y={3:0}] [L19] EXPR, FCALL x.i[0] VAL [\old(i)=4294959104, i=4294959104, x={2:0}, x.i[0]=1127219200, y={3:0}] [L19] FCALL y.i[0] = x.i[0] VAL [\old(i)=4294959104, i=4294959104, x={2:0}, x.i[0]=1127219200, y={3:0}] [L20] FCALL x.i[1] = 0x80000000 VAL [\old(i)=4294959104, i=4294959104, x={2:0}, y={3:0}] [L21] EXPR, FCALL x.i[1] VAL [\old(i)=4294959104, i=4294959104, x={2:0}, x.i[1]=-2147483648, y={3:0}] [L21] FCALL y.i[1] = i ^ x.i[1] VAL [\old(i)=4294959104, i=4294959104, x={2:0}, x.i[1]=-2147483648, y={3:0}] [L22] EXPR, FCALL y.d VAL [\old(i)=4294959104, i=4294959104, x={2:0}, y={3:0}, y.d=NaN] [L22] EXPR, FCALL x.d VAL [\old(i)=4294959104, i=4294959104, x={2:0}, x.d=-0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000556920282, y={3:0}, y.d=NaN] [L22] return y.d - x.d; [L22] return y.d - x.d; VAL [\old(i)=4294959104, \result=NaN, i=4294959104, y={3:0}] [L22] RET return y.d - x.d; VAL [\old(i)=4294959104, \result=NaN, i=4294959104] [L33] EXPR cast(a) VAL [a=4294959104, cast(a)=NaN] [L33] r = cast(a) [L34] CALL __VERIFIER_assert(r >= -10000. && r <= 10000.) VAL [\old(cond)=0] [L8] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L8] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 40 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...