./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1051_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f2ee8a79-5a6f-4f26-aa66-357352662455/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f2ee8a79-5a6f-4f26-aa66-357352662455/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f2ee8a79-5a6f-4f26-aa66-357352662455/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f2ee8a79-5a6f-4f26-aa66-357352662455/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1051_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f2ee8a79-5a6f-4f26-aa66-357352662455/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f2ee8a79-5a6f-4f26-aa66-357352662455/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 863e70131520c7e8858a4f32bea4c5cffd3e6ae2 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_f2ee8a79-5a6f-4f26-aa66-357352662455/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f2ee8a79-5a6f-4f26-aa66-357352662455/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f2ee8a79-5a6f-4f26-aa66-357352662455/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f2ee8a79-5a6f-4f26-aa66-357352662455/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1051_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f2ee8a79-5a6f-4f26-aa66-357352662455/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f2ee8a79-5a6f-4f26-aa66-357352662455/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 863e70131520c7e8858a4f32bea4c5cffd3e6ae2 ........................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 22:32:57,022 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 22:32:57,023 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 22:32:57,031 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 22:32:57,031 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 22:32:57,032 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 22:32:57,033 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 22:32:57,034 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 22:32:57,035 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 22:32:57,036 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 22:32:57,036 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 22:32:57,036 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 22:32:57,037 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 22:32:57,038 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 22:32:57,038 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 22:32:57,039 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 22:32:57,039 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 22:32:57,041 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 22:32:57,042 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 22:32:57,043 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 22:32:57,043 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 22:32:57,044 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 22:32:57,045 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 22:32:57,046 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 22:32:57,046 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 22:32:57,046 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 22:32:57,047 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 22:32:57,048 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 22:32:57,048 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 22:32:57,049 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 22:32:57,049 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 22:32:57,049 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 22:32:57,049 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 22:32:57,050 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 22:32:57,050 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 22:32:57,051 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 22:32:57,051 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f2ee8a79-5a6f-4f26-aa66-357352662455/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-22 22:32:57,060 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 22:32:57,060 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 22:32:57,061 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 22:32:57,061 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-22 22:32:57,061 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 22:32:57,061 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 22:32:57,061 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 22:32:57,062 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 22:32:57,062 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 22:32:57,062 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 22:32:57,062 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 22:32:57,062 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 22:32:57,062 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 22:32:57,062 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 22:32:57,062 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 22:32:57,062 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 22:32:57,063 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 22:32:57,063 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 22:32:57,063 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-22 22:32:57,063 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-22 22:32:57,063 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 22:32:57,063 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 22:32:57,063 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-22 22:32:57,063 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 22:32:57,064 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 22:32:57,064 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 22:32:57,064 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-22 22:32:57,064 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 22:32:57,064 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 22:32:57,064 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_f2ee8a79-5a6f-4f26-aa66-357352662455/bin-2019/ukojak 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 -> Kojak 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 -> 863e70131520c7e8858a4f32bea4c5cffd3e6ae2 [2018-11-22 22:32:57,087 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 22:32:57,095 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 22:32:57,098 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 22:32:57,099 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 22:32:57,099 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 22:32:57,100 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f2ee8a79-5a6f-4f26-aa66-357352662455/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1051_true-unreach-call.c [2018-11-22 22:32:57,135 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f2ee8a79-5a6f-4f26-aa66-357352662455/bin-2019/ukojak/data/2358ac8a9/d71f69a74dbb49439cd534690a50d112/FLAG332616885 [2018-11-22 22:32:57,532 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 22:32:57,533 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f2ee8a79-5a6f-4f26-aa66-357352662455/sv-benchmarks/c/float-newlib/float_req_bl_1051_true-unreach-call.c [2018-11-22 22:32:57,538 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f2ee8a79-5a6f-4f26-aa66-357352662455/bin-2019/ukojak/data/2358ac8a9/d71f69a74dbb49439cd534690a50d112/FLAG332616885 [2018-11-22 22:32:57,546 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f2ee8a79-5a6f-4f26-aa66-357352662455/bin-2019/ukojak/data/2358ac8a9/d71f69a74dbb49439cd534690a50d112 [2018-11-22 22:32:57,548 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 22:32:57,549 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 22:32:57,549 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 22:32:57,549 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 22:32:57,551 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 22:32:57,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:32:57" (1/1) ... [2018-11-22 22:32:57,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b02929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:57, skipping insertion in model container [2018-11-22 22:32:57,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:32:57" (1/1) ... [2018-11-22 22:32:57,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 22:32:57,572 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 22:32:57,684 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:32:57,686 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 22:32:57,703 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:32:57,716 INFO L195 MainTranslator]: Completed translation [2018-11-22 22:32:57,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:57 WrapperNode [2018-11-22 22:32:57,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 22:32:57,717 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 22:32:57,717 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 22:32:57,717 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 22:32:57,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:57" (1/1) ... [2018-11-22 22:32:57,729 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:57" (1/1) ... [2018-11-22 22:32:57,745 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 22:32:57,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 22:32:57,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 22:32:57,746 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 22:32:57,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:57" (1/1) ... [2018-11-22 22:32:57,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:57" (1/1) ... [2018-11-22 22:32:57,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:57" (1/1) ... [2018-11-22 22:32:57,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:57" (1/1) ... [2018-11-22 22:32:57,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:57" (1/1) ... [2018-11-22 22:32:57,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:57" (1/1) ... [2018-11-22 22:32:57,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:57" (1/1) ... [2018-11-22 22:32:57,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 22:32:57,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 22:32:57,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 22:32:57,806 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 22:32:57,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f2ee8a79-5a6f-4f26-aa66-357352662455/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-11-22 22:32:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-22 22:32:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-22 22:32:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-22 22:32:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 22:32:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 22:32:57,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 22:32:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-22 22:32:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-22 22:32:58,151 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 22:32:58,151 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-11-22 22:32:58,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:32:58 BoogieIcfgContainer [2018-11-22 22:32:58,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 22:32:58,152 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-22 22:32:58,152 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-22 22:32:58,161 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-22 22:32:58,162 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:32:58" (1/1) ... [2018-11-22 22:32:58,171 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:32:58,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:32:58,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2018-11-22 22:32:58,193 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2018-11-22 22:32:58,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-22 22:32:58,195 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:32:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:32:58,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:32:58,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:32:58,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2018-11-22 22:32:58,268 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2018-11-22 22:32:58,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-22 22:32:58,269 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:32:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 22:32:58,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 22:32:58,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 22:32:58,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 22:32:58,378 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~huge_floor~0 := 1.0E30;havoc main_#res;havoc main_#t~ret4, main_#t~ret5, main_~x~0, main_~res~0;main_~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0);floor_float_#in~x := main_~x~0;havoc floor_float_#res;havoc floor_float_#t~mem0, floor_float_#t~union1, floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, floor_float_#t~mem2, floor_float_#t~union3, floor_float_~#sf_u~0.base, floor_float_~#sf_u~0.offset, floor_float_~x, floor_float_~i0~0, floor_float_~j0~0, floor_float_~i~0, floor_float_~ix~0;floor_float_~x := floor_float_#in~x;havoc floor_float_~i0~0;havoc floor_float_~j0~0;havoc floor_float_~i~0;havoc floor_float_~ix~0; VAL [ULTIMATE.start_floor_float_~x=3.0, ULTIMATE.start_main_~x~0=3.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_floor_float_#in~x|=3.0, ~huge_floor~0=1000000000000000000000000000000.0] [?] call floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset := #Ultimate.alloc(4);call write~real(floor_float_~x, floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, 4);call floor_float_#t~mem0 := read~int(floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, 4);floor_float_~i0~0 := (if floor_float_#t~mem0 % 4294967296 % 4294967296 <= 2147483647 then floor_float_#t~mem0 % 4294967296 % 4294967296 else floor_float_#t~mem0 % 4294967296 % 4294967296 - 4294967296);call write~real(floor_float_#t~union1, floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, 4);havoc floor_float_#t~mem0;havoc floor_float_#t~union1;call ULTIMATE.dealloc(floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset);havoc floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset; VAL [ULTIMATE.start_floor_float_~i0~0=0, ULTIMATE.start_floor_float_~x=3.0, ULTIMATE.start_main_~x~0=3.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_floor_float_#in~x|=3.0, ~huge_floor~0=1000000000000000000000000000000.0] [?] goto; VAL [ULTIMATE.start_floor_float_~i0~0=0, ULTIMATE.start_floor_float_~x=3.0, ULTIMATE.start_main_~x~0=3.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_floor_float_#in~x|=3.0, ~huge_floor~0=1000000000000000000000000000000.0] [?] floor_float_~ix~0 := ~bitwiseAnd(floor_float_~i0~0, 2147483647);floor_float_~j0~0 := (if (floor_float_~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (floor_float_~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (floor_float_~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [ULTIMATE.start_floor_float_~i0~0=0, ULTIMATE.start_floor_float_~ix~0=(- 36028795760672768), ULTIMATE.start_floor_float_~j0~0=23, ULTIMATE.start_floor_float_~x=3.0, ULTIMATE.start_main_~x~0=3.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_floor_float_#in~x|=3.0, ~huge_floor~0=1000000000000000000000000000000.0] [?] assume !(floor_float_~j0~0 < 23);BeginParallelComposition{ParallelCodeBlock0: assume !(floor_float_~ix~0 % 4294967296 < 2139095040);floor_float_#res := ~someBinaryArithmeticFLOAToperation(floor_float_~x, floor_float_~x);ParallelCodeBlock1: assume !!(floor_float_~ix~0 % 4294967296 < 2139095040);floor_float_#res := floor_float_~x;}EndParallelComposition VAL [ULTIMATE.start_floor_float_~i0~0=0, ULTIMATE.start_floor_float_~ix~0=(- 36028795760672768), ULTIMATE.start_floor_float_~j0~0=23, ULTIMATE.start_floor_float_~x=3.0, ULTIMATE.start_main_~x~0=3.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_floor_float_#in~x|=3.0, |ULTIMATE.start_floor_float_#res|=3.0, ~huge_floor~0=1000000000000000000000000000000.0] [?] main_#t~ret4 := floor_float_#res;main_~res~0 := main_#t~ret4;havoc main_#t~ret4;isnan_float_#in~x := main_~res~0;havoc isnan_float_#res;havoc isnan_float_~x;isnan_float_~x := isnan_float_#in~x;isnan_float_#res := (if ~someBinaryFLOATComparisonOperation(isnan_float_~x, isnan_float_~x) then 1 else 0);main_#t~ret5 := isnan_float_#res;assume -2147483648 <= main_#t~ret5 && main_#t~ret5 <= 2147483647; VAL [ULTIMATE.start_floor_float_~i0~0=0, ULTIMATE.start_floor_float_~ix~0=(- 36028795760672768), ULTIMATE.start_floor_float_~j0~0=23, ULTIMATE.start_floor_float_~x=3.0, ULTIMATE.start_isnan_float_~x=3.0, ULTIMATE.start_main_~res~0=3.0, ULTIMATE.start_main_~x~0=3.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_floor_float_#in~x|=3.0, |ULTIMATE.start_floor_float_#res|=3.0, |ULTIMATE.start_isnan_float_#in~x|=3.0, |ULTIMATE.start_isnan_float_#res|=0, |ULTIMATE.start_main_#t~ret5|=0, ~huge_floor~0=1000000000000000000000000000000.0] [?] assume 0 == main_#t~ret5;havoc main_#t~ret5; VAL [ULTIMATE.start_floor_float_~i0~0=0, ULTIMATE.start_floor_float_~ix~0=(- 36028795760672768), ULTIMATE.start_floor_float_~j0~0=23, ULTIMATE.start_floor_float_~x=3.0, ULTIMATE.start_isnan_float_~x=3.0, ULTIMATE.start_main_~res~0=3.0, ULTIMATE.start_main_~x~0=3.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_floor_float_#in~x|=3.0, |ULTIMATE.start_floor_float_#res|=3.0, |ULTIMATE.start_isnan_float_#in~x|=3.0, |ULTIMATE.start_isnan_float_#res|=0, ~huge_floor~0=1000000000000000000000000000000.0] [?] assume !false; VAL [ULTIMATE.start_floor_float_~i0~0=0, ULTIMATE.start_floor_float_~ix~0=(- 36028795760672768), ULTIMATE.start_floor_float_~j0~0=23, ULTIMATE.start_floor_float_~x=3.0, ULTIMATE.start_isnan_float_~x=3.0, ULTIMATE.start_main_~res~0=3.0, ULTIMATE.start_main_~x~0=3.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_floor_float_#in~x|=3.0, |ULTIMATE.start_floor_float_#res|=3.0, |ULTIMATE.start_isnan_float_#in~x|=3.0, |ULTIMATE.start_isnan_float_#res|=0, ~huge_floor~0=1000000000000000000000000000000.0] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L12] ~huge_floor~0 := 1.0E30; [?] havoc main_#res; [?] havoc main_#t~ret4, main_#t~ret5, main_~x~0, main_~res~0; [L66] main_~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L67] floor_float_#in~x := main_~x~0; [L67] havoc floor_float_#res; [L67] havoc floor_float_#t~mem0, floor_float_#t~union1, floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, floor_float_#t~mem2, floor_float_#t~union3, floor_float_~#sf_u~0.base, floor_float_~#sf_u~0.offset, floor_float_~x, floor_float_~i0~0, floor_float_~j0~0, floor_float_~i~0, floor_float_~ix~0; [L14-L55] floor_float_~x := floor_float_#in~x; [L15] havoc floor_float_~i0~0; [L15] havoc floor_float_~j0~0; [L16] havoc floor_float_~i~0; [L16] havoc floor_float_~ix~0; VAL [#NULL.base=0, #NULL.offset=0, floor_float_#in~x=3.0, floor_float_~x=3.0, main_~x~0=3.0, ~huge_floor~0=1.0E30] [L18] call floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset := #Ultimate.alloc(4); [L19] call write~real(floor_float_~x, floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, 4); [L20] call floor_float_#t~mem0 := read~int(floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, 4); [L20] floor_float_~i0~0 := (if floor_float_#t~mem0 % 4294967296 % 4294967296 <= 2147483647 then floor_float_#t~mem0 % 4294967296 % 4294967296 else floor_float_#t~mem0 % 4294967296 % 4294967296 - 4294967296); [L20] call write~real(floor_float_#t~union1, floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, 4); [L20] havoc floor_float_#t~mem0; [L20] havoc floor_float_#t~union1; [L18] call ULTIMATE.dealloc(floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset); [L18] havoc floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset; VAL [#NULL.base=0, #NULL.offset=0, floor_float_#in~x=3.0, floor_float_~i0~0=0, floor_float_~x=3.0, main_~x~0=3.0, ~huge_floor~0=1.0E30] [L22] floor_float_~ix~0 := ~bitwiseAnd(floor_float_~i0~0, 2147483647); [L23] floor_float_~j0~0 := (if (floor_float_~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (floor_float_~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (floor_float_~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [#NULL.base=0, #NULL.offset=0, floor_float_#in~x=3.0, floor_float_~i0~0=0, floor_float_~ix~0=-36028795760672768, floor_float_~j0~0=23, floor_float_~x=3.0, main_~x~0=3.0, ~huge_floor~0=1.0E30] [L24-L48] assume !(floor_float_~j0~0 < 23); [L44-L47] assume !!(floor_float_~ix~0 % 4294967296 < 2139095040); [L47] floor_float_#res := floor_float_~x; VAL [#NULL.base=0, #NULL.offset=0, floor_float_#in~x=3.0, floor_float_#res=3.0, floor_float_~i0~0=0, floor_float_~ix~0=-36028795760672768, floor_float_~j0~0=23, floor_float_~x=3.0, main_~x~0=3.0, ~huge_floor~0=1.0E30] [L67] main_#t~ret4 := floor_float_#res; [L67] main_~res~0 := main_#t~ret4; [L67] havoc main_#t~ret4; [L70] isnan_float_#in~x := main_~res~0; [L70] havoc isnan_float_#res; [L70] havoc isnan_float_~x; [L58] isnan_float_~x := isnan_float_#in~x; [L58] isnan_float_#res := (if ~someBinaryFLOATComparisonOperation(isnan_float_~x, isnan_float_~x) then 1 else 0); [L70] main_#t~ret5 := isnan_float_#res; [L70] assume -2147483648 <= main_#t~ret5 && main_#t~ret5 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, floor_float_#in~x=3.0, floor_float_#res=3.0, floor_float_~i0~0=0, floor_float_~ix~0=-36028795760672768, floor_float_~j0~0=23, floor_float_~x=3.0, isnan_float_#in~x=3.0, isnan_float_#res=0, isnan_float_~x=3.0, main_#t~ret5=0, main_~res~0=3.0, main_~x~0=3.0, ~huge_floor~0=1.0E30] [L70-L73] assume 0 == main_#t~ret5; [L70] havoc main_#t~ret5; VAL [#NULL.base=0, #NULL.offset=0, floor_float_#in~x=3.0, floor_float_#res=3.0, floor_float_~i0~0=0, floor_float_~ix~0=-36028795760672768, floor_float_~j0~0=23, floor_float_~x=3.0, isnan_float_#in~x=3.0, isnan_float_#res=0, isnan_float_~x=3.0, main_~res~0=3.0, main_~x~0=3.0, ~huge_floor~0=1.0E30] [L71] assert false; VAL [#NULL.base=0, #NULL.offset=0, floor_float_#in~x=3.0, floor_float_#res=3.0, floor_float_~i0~0=0, floor_float_~ix~0=-36028795760672768, floor_float_~j0~0=23, floor_float_~x=3.0, isnan_float_#in~x=3.0, isnan_float_#res=0, isnan_float_~x=3.0, main_~res~0=3.0, main_~x~0=3.0, ~huge_floor~0=1.0E30] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L12] ~huge_floor~0 := 1.0E30; [?] havoc main_#res; [?] havoc main_#t~ret4, main_#t~ret5, main_~x~0, main_~res~0; [L66] main_~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L67] floor_float_#in~x := main_~x~0; [L67] havoc floor_float_#res; [L67] havoc floor_float_#t~mem0, floor_float_#t~union1, floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, floor_float_#t~mem2, floor_float_#t~union3, floor_float_~#sf_u~0.base, floor_float_~#sf_u~0.offset, floor_float_~x, floor_float_~i0~0, floor_float_~j0~0, floor_float_~i~0, floor_float_~ix~0; [L14-L55] floor_float_~x := floor_float_#in~x; [L15] havoc floor_float_~i0~0; [L15] havoc floor_float_~j0~0; [L16] havoc floor_float_~i~0; [L16] havoc floor_float_~ix~0; VAL [#NULL.base=0, #NULL.offset=0, floor_float_#in~x=3.0, floor_float_~x=3.0, main_~x~0=3.0, ~huge_floor~0=1.0E30] [L18] call floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset := #Ultimate.alloc(4); [L19] call write~real(floor_float_~x, floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, 4); [L20] call floor_float_#t~mem0 := read~int(floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, 4); [L20] floor_float_~i0~0 := (if floor_float_#t~mem0 % 4294967296 % 4294967296 <= 2147483647 then floor_float_#t~mem0 % 4294967296 % 4294967296 else floor_float_#t~mem0 % 4294967296 % 4294967296 - 4294967296); [L20] call write~real(floor_float_#t~union1, floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset, 4); [L20] havoc floor_float_#t~mem0; [L20] havoc floor_float_#t~union1; [L18] call ULTIMATE.dealloc(floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset); [L18] havoc floor_float_~#gf_u~0.base, floor_float_~#gf_u~0.offset; VAL [#NULL.base=0, #NULL.offset=0, floor_float_#in~x=3.0, floor_float_~i0~0=0, floor_float_~x=3.0, main_~x~0=3.0, ~huge_floor~0=1.0E30] [L22] floor_float_~ix~0 := ~bitwiseAnd(floor_float_~i0~0, 2147483647); [L23] floor_float_~j0~0 := (if (floor_float_~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (floor_float_~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (floor_float_~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [#NULL.base=0, #NULL.offset=0, floor_float_#in~x=3.0, floor_float_~i0~0=0, floor_float_~ix~0=-36028795760672768, floor_float_~j0~0=23, floor_float_~x=3.0, main_~x~0=3.0, ~huge_floor~0=1.0E30] [L24-L48] assume !(floor_float_~j0~0 < 23); [L44-L47] assume !!(floor_float_~ix~0 % 4294967296 < 2139095040); [L47] floor_float_#res := floor_float_~x; VAL [#NULL.base=0, #NULL.offset=0, floor_float_#in~x=3.0, floor_float_#res=3.0, floor_float_~i0~0=0, floor_float_~ix~0=-36028795760672768, floor_float_~j0~0=23, floor_float_~x=3.0, main_~x~0=3.0, ~huge_floor~0=1.0E30] [L67] main_#t~ret4 := floor_float_#res; [L67] main_~res~0 := main_#t~ret4; [L67] havoc main_#t~ret4; [L70] isnan_float_#in~x := main_~res~0; [L70] havoc isnan_float_#res; [L70] havoc isnan_float_~x; [L58] isnan_float_~x := isnan_float_#in~x; [L58] isnan_float_#res := (if ~someBinaryFLOATComparisonOperation(isnan_float_~x, isnan_float_~x) then 1 else 0); [L70] main_#t~ret5 := isnan_float_#res; [L70] assume -2147483648 <= main_#t~ret5 && main_#t~ret5 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, floor_float_#in~x=3.0, floor_float_#res=3.0, floor_float_~i0~0=0, floor_float_~ix~0=-36028795760672768, floor_float_~j0~0=23, floor_float_~x=3.0, isnan_float_#in~x=3.0, isnan_float_#res=0, isnan_float_~x=3.0, main_#t~ret5=0, main_~res~0=3.0, main_~x~0=3.0, ~huge_floor~0=1.0E30] [L70-L73] assume 0 == main_#t~ret5; [L70] havoc main_#t~ret5; VAL [#NULL.base=0, #NULL.offset=0, floor_float_#in~x=3.0, floor_float_#res=3.0, floor_float_~i0~0=0, floor_float_~ix~0=-36028795760672768, floor_float_~j0~0=23, floor_float_~x=3.0, isnan_float_#in~x=3.0, isnan_float_#res=0, isnan_float_~x=3.0, main_~res~0=3.0, main_~x~0=3.0, ~huge_floor~0=1.0E30] [L71] assert false; VAL [#NULL.base=0, #NULL.offset=0, floor_float_#in~x=3.0, floor_float_#res=3.0, floor_float_~i0~0=0, floor_float_~ix~0=-36028795760672768, floor_float_~j0~0=23, floor_float_~x=3.0, isnan_float_#in~x=3.0, isnan_float_#res=0, isnan_float_~x=3.0, main_~res~0=3.0, main_~x~0=3.0, ~huge_floor~0=1.0E30] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L12] ~huge_floor~0 := 1.0E30; [?] havoc main_#res; [?] havoc main_#t~ret4, main_#t~ret5, main_~x~0, main_~res~0; [L66] main_~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L67] floor_float_#in~x := main_~x~0; [L67] havoc floor_float_#res; [L67] havoc floor_float_#t~mem0, floor_float_#t~union1, floor_float_~#gf_u~0, floor_float_#t~mem2, floor_float_#t~union3, floor_float_~#sf_u~0, floor_float_~x, floor_float_~i0~0, floor_float_~j0~0, floor_float_~i~0, floor_float_~ix~0; [L14-L55] floor_float_~x := floor_float_#in~x; [L15] havoc floor_float_~i0~0; [L15] havoc floor_float_~j0~0; [L16] havoc floor_float_~i~0; [L16] havoc floor_float_~ix~0; VAL [#NULL!base=0, #NULL!offset=0, floor_float_#in~x=3.0, floor_float_~x=3.0, main_~x~0=3.0, ~huge_floor~0=1.0E30] [L18] FCALL call floor_float_~#gf_u~0 := #Ultimate.alloc(4); [L19] FCALL call write~real(floor_float_~x, { base: floor_float_~#gf_u~0!base, offset: floor_float_~#gf_u~0!offset }, 4); [L20] FCALL call floor_float_#t~mem0 := read~int({ base: floor_float_~#gf_u~0!base, offset: floor_float_~#gf_u~0!offset }, 4); [L20] floor_float_~i0~0 := (if floor_float_#t~mem0 % 4294967296 % 4294967296 <= 2147483647 then floor_float_#t~mem0 % 4294967296 % 4294967296 else floor_float_#t~mem0 % 4294967296 % 4294967296 - 4294967296); [L20] FCALL call write~real(floor_float_#t~union1, { base: floor_float_~#gf_u~0!base, offset: floor_float_~#gf_u~0!offset }, 4); [L20] havoc floor_float_#t~mem0; [L20] havoc floor_float_#t~union1; [L18] FCALL call ULTIMATE.dealloc(floor_float_~#gf_u~0); [L18] havoc floor_float_~#gf_u~0; VAL [#NULL!base=0, #NULL!offset=0, floor_float_#in~x=3.0, floor_float_~i0~0=0, floor_float_~x=3.0, main_~x~0=3.0, ~huge_floor~0=1.0E30] [L22] floor_float_~ix~0 := ~bitwiseAnd(floor_float_~i0~0, 2147483647); [L23] floor_float_~j0~0 := (if (floor_float_~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (floor_float_~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (floor_float_~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [#NULL!base=0, #NULL!offset=0, floor_float_#in~x=3.0, floor_float_~i0~0=0, floor_float_~ix~0=-36028795760672768, floor_float_~j0~0=23, floor_float_~x=3.0, main_~x~0=3.0, ~huge_floor~0=1.0E30] [L24] COND FALSE !(floor_float_~j0~0 < 23) [L44] COND FALSE !(!(floor_float_~ix~0 % 4294967296 < 2139095040)) [L47] floor_float_#res := floor_float_~x; VAL [#NULL!base=0, #NULL!offset=0, floor_float_#in~x=3.0, floor_float_#res=3.0, floor_float_~i0~0=0, floor_float_~ix~0=-36028795760672768, floor_float_~j0~0=23, floor_float_~x=3.0, main_~x~0=3.0, ~huge_floor~0=1.0E30] [L67] main_#t~ret4 := floor_float_#res; [L67] main_~res~0 := main_#t~ret4; [L67] havoc main_#t~ret4; [L70] isnan_float_#in~x := main_~res~0; [L70] havoc isnan_float_#res; [L70] havoc isnan_float_~x; [L58] isnan_float_~x := isnan_float_#in~x; [L58] isnan_float_#res := (if ~someBinaryFLOATComparisonOperation(isnan_float_~x, isnan_float_~x) then 1 else 0); [L70] main_#t~ret5 := isnan_float_#res; [L70] assume -2147483648 <= main_#t~ret5 && main_#t~ret5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, floor_float_#in~x=3.0, floor_float_#res=3.0, floor_float_~i0~0=0, floor_float_~ix~0=-36028795760672768, floor_float_~j0~0=23, floor_float_~x=3.0, isnan_float_#in~x=3.0, isnan_float_#res=0, isnan_float_~x=3.0, main_#t~ret5=0, main_~res~0=3.0, main_~x~0=3.0, ~huge_floor~0=1.0E30] [L70] COND TRUE 0 == main_#t~ret5 [L70] havoc main_#t~ret5; VAL [#NULL!base=0, #NULL!offset=0, floor_float_#in~x=3.0, floor_float_#res=3.0, floor_float_~i0~0=0, floor_float_~ix~0=-36028795760672768, floor_float_~j0~0=23, floor_float_~x=3.0, isnan_float_#in~x=3.0, isnan_float_#res=0, isnan_float_~x=3.0, main_~res~0=3.0, main_~x~0=3.0, ~huge_floor~0=1.0E30] [L71] assert false; VAL [#NULL!base=0, #NULL!offset=0, floor_float_#in~x=3.0, floor_float_#res=3.0, floor_float_~i0~0=0, floor_float_~ix~0=-36028795760672768, floor_float_~j0~0=23, floor_float_~x=3.0, isnan_float_#in~x=3.0, isnan_float_#res=0, isnan_float_~x=3.0, main_~res~0=3.0, main_~x~0=3.0, ~huge_floor~0=1.0E30] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L12] ~huge_floor~0 := 1.0E30; [?] havoc main_#res; [?] havoc main_#t~ret4, main_#t~ret5, main_~x~0, main_~res~0; [L66] main_~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L67] floor_float_#in~x := main_~x~0; [L67] havoc floor_float_#res; [L67] havoc floor_float_#t~mem0, floor_float_#t~union1, floor_float_~#gf_u~0, floor_float_#t~mem2, floor_float_#t~union3, floor_float_~#sf_u~0, floor_float_~x, floor_float_~i0~0, floor_float_~j0~0, floor_float_~i~0, floor_float_~ix~0; [L14-L55] floor_float_~x := floor_float_#in~x; [L15] havoc floor_float_~i0~0; [L15] havoc floor_float_~j0~0; [L16] havoc floor_float_~i~0; [L16] havoc floor_float_~ix~0; VAL [#NULL!base=0, #NULL!offset=0, floor_float_#in~x=3.0, floor_float_~x=3.0, main_~x~0=3.0, ~huge_floor~0=1.0E30] [L18] FCALL call floor_float_~#gf_u~0 := #Ultimate.alloc(4); [L19] FCALL call write~real(floor_float_~x, { base: floor_float_~#gf_u~0!base, offset: floor_float_~#gf_u~0!offset }, 4); [L20] FCALL call floor_float_#t~mem0 := read~int({ base: floor_float_~#gf_u~0!base, offset: floor_float_~#gf_u~0!offset }, 4); [L20] floor_float_~i0~0 := (if floor_float_#t~mem0 % 4294967296 % 4294967296 <= 2147483647 then floor_float_#t~mem0 % 4294967296 % 4294967296 else floor_float_#t~mem0 % 4294967296 % 4294967296 - 4294967296); [L20] FCALL call write~real(floor_float_#t~union1, { base: floor_float_~#gf_u~0!base, offset: floor_float_~#gf_u~0!offset }, 4); [L20] havoc floor_float_#t~mem0; [L20] havoc floor_float_#t~union1; [L18] FCALL call ULTIMATE.dealloc(floor_float_~#gf_u~0); [L18] havoc floor_float_~#gf_u~0; VAL [#NULL!base=0, #NULL!offset=0, floor_float_#in~x=3.0, floor_float_~i0~0=0, floor_float_~x=3.0, main_~x~0=3.0, ~huge_floor~0=1.0E30] [L22] floor_float_~ix~0 := ~bitwiseAnd(floor_float_~i0~0, 2147483647); [L23] floor_float_~j0~0 := (if (floor_float_~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (floor_float_~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (floor_float_~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [#NULL!base=0, #NULL!offset=0, floor_float_#in~x=3.0, floor_float_~i0~0=0, floor_float_~ix~0=-36028795760672768, floor_float_~j0~0=23, floor_float_~x=3.0, main_~x~0=3.0, ~huge_floor~0=1.0E30] [L24] COND FALSE !(floor_float_~j0~0 < 23) [L44] COND FALSE !(!(floor_float_~ix~0 % 4294967296 < 2139095040)) [L47] floor_float_#res := floor_float_~x; VAL [#NULL!base=0, #NULL!offset=0, floor_float_#in~x=3.0, floor_float_#res=3.0, floor_float_~i0~0=0, floor_float_~ix~0=-36028795760672768, floor_float_~j0~0=23, floor_float_~x=3.0, main_~x~0=3.0, ~huge_floor~0=1.0E30] [L67] main_#t~ret4 := floor_float_#res; [L67] main_~res~0 := main_#t~ret4; [L67] havoc main_#t~ret4; [L70] isnan_float_#in~x := main_~res~0; [L70] havoc isnan_float_#res; [L70] havoc isnan_float_~x; [L58] isnan_float_~x := isnan_float_#in~x; [L58] isnan_float_#res := (if ~someBinaryFLOATComparisonOperation(isnan_float_~x, isnan_float_~x) then 1 else 0); [L70] main_#t~ret5 := isnan_float_#res; [L70] assume -2147483648 <= main_#t~ret5 && main_#t~ret5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, floor_float_#in~x=3.0, floor_float_#res=3.0, floor_float_~i0~0=0, floor_float_~ix~0=-36028795760672768, floor_float_~j0~0=23, floor_float_~x=3.0, isnan_float_#in~x=3.0, isnan_float_#res=0, isnan_float_~x=3.0, main_#t~ret5=0, main_~res~0=3.0, main_~x~0=3.0, ~huge_floor~0=1.0E30] [L70] COND TRUE 0 == main_#t~ret5 [L70] havoc main_#t~ret5; VAL [#NULL!base=0, #NULL!offset=0, floor_float_#in~x=3.0, floor_float_#res=3.0, floor_float_~i0~0=0, floor_float_~ix~0=-36028795760672768, floor_float_~j0~0=23, floor_float_~x=3.0, isnan_float_#in~x=3.0, isnan_float_#res=0, isnan_float_~x=3.0, main_~res~0=3.0, main_~x~0=3.0, ~huge_floor~0=1.0E30] [L71] assert false; VAL [#NULL!base=0, #NULL!offset=0, floor_float_#in~x=3.0, floor_float_#res=3.0, floor_float_~i0~0=0, floor_float_~ix~0=-36028795760672768, floor_float_~j0~0=23, floor_float_~x=3.0, isnan_float_#in~x=3.0, isnan_float_#res=0, isnan_float_~x=3.0, main_~res~0=3.0, main_~x~0=3.0, ~huge_floor~0=1.0E30] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L12] ~huge_floor~0 := 1.0E30; [L66] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L14-L55] ~x := #in~x; [L15] havoc ~i0~0; [L15] havoc ~j0~0; [L16] havoc ~i~0; [L16] havoc ~ix~0; VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L18] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L19] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] ~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L20] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] havoc #t~mem0; [L20] havoc #t~union1; [L18] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L18] havoc ~#gf_u~0; VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L22] ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); [L23] ~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L24] COND FALSE !(~j0~0 < 23) [L44] COND FALSE !(!(~ix~0 % 4294967296 < 2139095040)) [L47] #res := ~x; VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L67] ~res~0 := #t~ret4; [L67] havoc #t~ret4; [L58] ~x := #in~x; [L58] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); [L70] assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L70] COND TRUE 0 == #t~ret5 [L70] havoc #t~ret5; VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L71] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L12] ~huge_floor~0 := 1.0E30; [L66] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L14-L55] ~x := #in~x; [L15] havoc ~i0~0; [L15] havoc ~j0~0; [L16] havoc ~i~0; [L16] havoc ~ix~0; VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L18] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L19] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] ~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L20] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] havoc #t~mem0; [L20] havoc #t~union1; [L18] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L18] havoc ~#gf_u~0; VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L22] ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); [L23] ~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L24] COND FALSE !(~j0~0 < 23) [L44] COND FALSE !(!(~ix~0 % 4294967296 < 2139095040)) [L47] #res := ~x; VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L67] ~res~0 := #t~ret4; [L67] havoc #t~ret4; [L58] ~x := #in~x; [L58] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); [L70] assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L70] COND TRUE 0 == #t~ret5 [L70] havoc #t~ret5; VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L71] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L12] static const float huge_floor = 1.0e30; [L66] float x = 0.0f / 0.0f; [L15] __int32_t i0, j0; [L16] __uint32_t i, ix; VAL [huge_floor=1000000000000000000000000000000] [L18] ieee_float_shape_type gf_u; [L19] gf_u.value = (x) [L20] EXPR gf_u.word [L20] (i0) = gf_u.word [L22] ix = (i0 & 0x7fffffff) [L23] j0 = (ix >> 23) - 0x7f VAL [huge_floor=1000000000000000000000000000000] [L24] COND FALSE !(j0 < 23) [L44] COND FALSE !(!((ix) < 0x7f800000L)) [L47] return x; VAL [huge_floor=1000000000000000000000000000000] [L67] float res = floor_float(x); [L58] return x != x; [L70] COND TRUE !isnan_float(res) [L71] __VERIFIER_error() VAL [huge_floor=1000000000000000000000000000000] ----- [2018-11-22 22:32:58,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 10:32:58 ImpRootNode [2018-11-22 22:32:58,412 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-22 22:32:58,412 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 22:32:58,412 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 22:32:58,412 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 22:32:58,413 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:32:58" (3/4) ... [2018-11-22 22:32:58,415 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-22 22:32:58,415 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 22:32:58,416 INFO L168 Benchmark]: Toolchain (without parser) took 867.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 953.7 MB in the beginning and 1.0 GB in the end (delta: -92.2 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-11-22 22:32:58,417 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:32:58,417 INFO L168 Benchmark]: CACSL2BoogieTranslator took 167.50 ms. Allocated memory is still 1.0 GB. Free memory was 953.7 MB in the beginning and 940.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-22 22:32:58,418 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.49 ms. Allocated memory is still 1.0 GB. Free memory is still 940.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:32:58,418 INFO L168 Benchmark]: Boogie Preprocessor took 59.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -159.5 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2018-11-22 22:32:58,418 INFO L168 Benchmark]: RCFGBuilder took 346.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 11.5 GB. [2018-11-22 22:32:58,419 INFO L168 Benchmark]: CodeCheck took 260.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-11-22 22:32:58,419 INFO L168 Benchmark]: Witness Printer took 2.98 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:32:58,422 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 26 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 71]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 58, overapproximation of someBinaryArithmeticFLOAToperation at line 45, overapproximation of bitwiseAnd at line 22. Possible FailurePath: [L12] static const float huge_floor = 1.0e30; [L66] float x = 0.0f / 0.0f; [L15] __int32_t i0, j0; [L16] __uint32_t i, ix; VAL [huge_floor=1000000000000000000000000000000] [L18] ieee_float_shape_type gf_u; [L19] gf_u.value = (x) [L20] EXPR gf_u.word [L20] (i0) = gf_u.word [L22] ix = (i0 & 0x7fffffff) [L23] j0 = (ix >> 23) - 0x7f VAL [huge_floor=1000000000000000000000000000000] [L24] COND FALSE !(j0 < 23) [L44] COND FALSE !(!((ix) < 0x7f800000L)) [L47] return x; VAL [huge_floor=1000000000000000000000000000000] [L67] float res = floor_float(x); [L58] return x != x; [L70] COND TRUE !isnan_float(res) [L71] __VERIFIER_error() VAL [huge_floor=1000000000000000000000000000000] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 167.50 ms. Allocated memory is still 1.0 GB. Free memory was 953.7 MB in the beginning and 940.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.49 ms. Allocated memory is still 1.0 GB. Free memory is still 940.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -159.5 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 346.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 11.5 GB. * CodeCheck took 260.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.98 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-22 22:32:59,877 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 22:32:59,879 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 22:32:59,887 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 22:32:59,887 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 22:32:59,888 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 22:32:59,889 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 22:32:59,890 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 22:32:59,891 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 22:32:59,891 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 22:32:59,892 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 22:32:59,892 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 22:32:59,893 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 22:32:59,894 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 22:32:59,894 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 22:32:59,895 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 22:32:59,895 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 22:32:59,897 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 22:32:59,899 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 22:32:59,900 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 22:32:59,900 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 22:32:59,901 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 22:32:59,903 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 22:32:59,903 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 22:32:59,903 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 22:32:59,904 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 22:32:59,905 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 22:32:59,905 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 22:32:59,906 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 22:32:59,907 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 22:32:59,907 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 22:32:59,907 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 22:32:59,907 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 22:32:59,908 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 22:32:59,909 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 22:32:59,910 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 22:32:59,910 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f2ee8a79-5a6f-4f26-aa66-357352662455/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-22 22:32:59,920 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 22:32:59,920 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 22:32:59,921 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 22:32:59,921 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-22 22:32:59,921 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 22:32:59,922 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 22:32:59,922 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 22:32:59,922 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 22:32:59,922 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 22:32:59,922 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 22:32:59,922 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 22:32:59,922 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 22:32:59,922 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 22:32:59,923 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-22 22:32:59,923 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-22 22:32:59,923 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 22:32:59,923 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 22:32:59,923 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 22:32:59,923 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 22:32:59,923 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-22 22:32:59,923 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-22 22:32:59,924 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 22:32:59,924 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 22:32:59,924 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-22 22:32:59,924 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 22:32:59,924 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 22:32:59,924 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 22:32:59,924 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-22 22:32:59,925 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-22 22:32:59,925 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 22:32:59,925 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-22 22:32:59,925 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-22 22:32:59,925 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_f2ee8a79-5a6f-4f26-aa66-357352662455/bin-2019/ukojak 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 -> Kojak 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 -> 863e70131520c7e8858a4f32bea4c5cffd3e6ae2 [2018-11-22 22:32:59,954 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 22:32:59,963 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 22:32:59,966 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 22:32:59,967 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 22:32:59,967 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 22:32:59,968 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f2ee8a79-5a6f-4f26-aa66-357352662455/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1051_true-unreach-call.c [2018-11-22 22:33:00,004 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f2ee8a79-5a6f-4f26-aa66-357352662455/bin-2019/ukojak/data/70ad23cc0/979d4173de024715bc34fd801a1896f2/FLAG1aaf930aa [2018-11-22 22:33:00,332 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 22:33:00,332 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f2ee8a79-5a6f-4f26-aa66-357352662455/sv-benchmarks/c/float-newlib/float_req_bl_1051_true-unreach-call.c [2018-11-22 22:33:00,336 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f2ee8a79-5a6f-4f26-aa66-357352662455/bin-2019/ukojak/data/70ad23cc0/979d4173de024715bc34fd801a1896f2/FLAG1aaf930aa [2018-11-22 22:33:00,765 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f2ee8a79-5a6f-4f26-aa66-357352662455/bin-2019/ukojak/data/70ad23cc0/979d4173de024715bc34fd801a1896f2 [2018-11-22 22:33:00,768 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 22:33:00,769 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 22:33:00,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 22:33:00,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 22:33:00,773 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 22:33:00,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:33:00" (1/1) ... [2018-11-22 22:33:00,776 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cb80ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:33:00, skipping insertion in model container [2018-11-22 22:33:00,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:33:00" (1/1) ... [2018-11-22 22:33:00,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 22:33:00,797 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 22:33:00,922 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:33:00,926 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 22:33:00,945 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:33:00,961 INFO L195 MainTranslator]: Completed translation [2018-11-22 22:33:00,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:33:00 WrapperNode [2018-11-22 22:33:00,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 22:33:00,962 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 22:33:00,962 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 22:33:00,962 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 22:33:00,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:33:00" (1/1) ... [2018-11-22 22:33:00,974 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:33:00" (1/1) ... [2018-11-22 22:33:00,991 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 22:33:00,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 22:33:00,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 22:33:00,991 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 22:33:00,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:33:00" (1/1) ... [2018-11-22 22:33:00,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:33:00" (1/1) ... [2018-11-22 22:33:00,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:33:00" (1/1) ... [2018-11-22 22:33:01,000 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:33:00" (1/1) ... [2018-11-22 22:33:01,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:33:00" (1/1) ... [2018-11-22 22:33:01,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:33:00" (1/1) ... [2018-11-22 22:33:01,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:33:00" (1/1) ... [2018-11-22 22:33:01,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 22:33:01,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 22:33:01,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 22:33:01,015 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 22:33:01,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:33:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f2ee8a79-5a6f-4f26-aa66-357352662455/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-11-22 22:33:01,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-22 22:33:01,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 22:33:01,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-22 22:33:01,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 22:33:01,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 22:33:01,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-22 22:33:01,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-22 22:33:01,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-22 22:33:01,211 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-22 22:33:02,461 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 22:33:02,461 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-11-22 22:33:02,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:33:02 BoogieIcfgContainer [2018-11-22 22:33:02,462 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 22:33:02,462 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-22 22:33:02,462 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-22 22:33:02,469 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-22 22:33:02,469 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:33:02" (1/1) ... [2018-11-22 22:33:02,477 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:33:02,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:33:02,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2018-11-22 22:33:02,500 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2018-11-22 22:33:02,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-22 22:33:02,501 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:33:02,536 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-22 22:33:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:33:02,560 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:33:02,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:33:02,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:33:02,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2018-11-22 22:33:02,574 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2018-11-22 22:33:02,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-22 22:33:02,574 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:33:02,575 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-22 22:33:02,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:33:02,629 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:33:02,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:33:02,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:33:02,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2018-11-22 22:33:02,796 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2018-11-22 22:33:02,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-22 22:33:02,797 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:33:02,797 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-22 22:33:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:33:02,813 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:33:02,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:33:02,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:33:02,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2018-11-22 22:33:02,914 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2018-11-22 22:33:02,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-22 22:33:02,915 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:33:02,915 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-22 22:33:02,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:33:02,939 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:33:02,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:33:02,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:33:02,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2018-11-22 22:33:02,945 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2018-11-22 22:33:02,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-22 22:33:02,946 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:33:02,947 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-22 22:33:02,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:33:02,980 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:33:03,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:33:03,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:33:03,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2018-11-22 22:33:03,443 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2018-11-22 22:33:03,443 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 22:33:03,443 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2018-11-22 22:33:03,451 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-22 22:33:03,481 INFO L579 CodeCheckObserver]: Invariant with dag size 5 [2018-11-22 22:33:03,485 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-22 22:33:03,488 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-22 22:33:03,488 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 22:33:03,489 INFO L579 CodeCheckObserver]: Invariant with dag size 5 [2018-11-22 22:33:03,489 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-22 22:33:03,489 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-22 22:33:03,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 10:33:03 ImpRootNode [2018-11-22 22:33:03,491 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-22 22:33:03,491 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 22:33:03,492 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 22:33:03,492 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 22:33:03,492 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:33:02" (3/4) ... [2018-11-22 22:33:03,494 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 22:33:03,502 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2018-11-22 22:33:03,503 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-22 22:33:03,522 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) [2018-11-22 22:33:03,541 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f2ee8a79-5a6f-4f26-aa66-357352662455/bin-2019/ukojak/witness.graphml [2018-11-22 22:33:03,542 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 22:33:03,542 INFO L168 Benchmark]: Toolchain (without parser) took 2773.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 951.9 MB in the beginning and 1.0 GB in the end (delta: -53.4 MB). Peak memory consumption was 82.9 MB. Max. memory is 11.5 GB. [2018-11-22 22:33:03,544 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. [2018-11-22 22:33:03,544 INFO L168 Benchmark]: CACSL2BoogieTranslator took 191.21 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-22 22:33:03,544 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.08 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:33:03,544 INFO L168 Benchmark]: Boogie Preprocessor took 23.51 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:33:03,545 INFO L168 Benchmark]: RCFGBuilder took 1447.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -156.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. [2018-11-22 22:33:03,545 INFO L168 Benchmark]: CodeCheck took 1028.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 80.6 MB). Peak memory consumption was 80.6 MB. Max. memory is 11.5 GB. [2018-11-22 22:33:03,545 INFO L168 Benchmark]: Witness Printer took 50.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-22 22:33:03,547 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 26 locations, 1 error locations. SAFE Result, 0.9s OverallTime, 6 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 312 SDtfs, 134 SDslu, 104 SDs, 0 SdLazy, 394 SolverSat, 120 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 367 GetRequests, 349 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 43 ConstructedInterpolants, 2 QuantifiedInterpolants, 1690 SizeOfPredicates, 23 NumberOfNonLiveVariables, 148 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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: No data available, ReuseStatistics: No data available - PositiveResult [Line: 71]: 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: 17]: Loop Invariant [2018-11-22 22:33:03,548 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-22 22:33:03,548 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 14]: Loop Invariant [2018-11-22 22:33:03,548 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-22 22:33:03,549 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) * 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 191.21 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.08 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.51 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1447.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -156.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. * CodeCheck took 1028.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 80.6 MB). Peak memory consumption was 80.6 MB. Max. memory is 11.5 GB. * Witness Printer took 50.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven RESULT: Ultimate proved your program to be correct! Received shutdown request...