./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1031_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_2457b6a2-5892-4913-b7a7-d6fef8f16bae/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2457b6a2-5892-4913-b7a7-d6fef8f16bae/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2457b6a2-5892-4913-b7a7-d6fef8f16bae/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2457b6a2-5892-4913-b7a7-d6fef8f16bae/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1031_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2457b6a2-5892-4913-b7a7-d6fef8f16bae/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2457b6a2-5892-4913-b7a7-d6fef8f16bae/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 20ebedc7025deba0ba6b1d81eeaced9b389ea599 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_2457b6a2-5892-4913-b7a7-d6fef8f16bae/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2457b6a2-5892-4913-b7a7-d6fef8f16bae/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2457b6a2-5892-4913-b7a7-d6fef8f16bae/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2457b6a2-5892-4913-b7a7-d6fef8f16bae/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1031_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2457b6a2-5892-4913-b7a7-d6fef8f16bae/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2457b6a2-5892-4913-b7a7-d6fef8f16bae/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 20ebedc7025deba0ba6b1d81eeaced9b389ea599 ................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 12:23:49,653 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:23:49,655 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:23:49,661 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:23:49,662 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:23:49,662 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:23:49,663 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:23:49,664 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:23:49,665 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:23:49,665 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:23:49,666 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:23:49,666 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:23:49,667 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:23:49,668 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:23:49,668 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:23:49,669 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:23:49,670 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:23:49,671 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:23:49,672 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:23:49,673 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:23:49,674 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:23:49,675 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:23:49,676 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:23:49,677 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:23:49,677 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:23:49,677 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:23:49,678 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:23:49,678 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:23:49,679 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:23:49,680 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:23:49,680 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:23:49,681 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:23:49,681 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:23:49,681 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:23:49,682 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:23:49,682 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:23:49,682 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2457b6a2-5892-4913-b7a7-d6fef8f16bae/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 12:23:49,693 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:23:49,694 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:23:49,694 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:23:49,694 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 12:23:49,695 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:23:49,695 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:23:49,695 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:23:49,695 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:23:49,696 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:23:49,696 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:23:49,696 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:23:49,696 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:23:49,696 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:23:49,696 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:23:49,696 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:23:49,697 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:23:49,697 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:23:49,697 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:23:49,697 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 12:23:49,697 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 12:23:49,697 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:23:49,698 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:23:49,698 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 12:23:49,698 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:23:49,698 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:23:49,698 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:23:49,698 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 12:23:49,698 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:23:49,699 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:23:49,699 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_2457b6a2-5892-4913-b7a7-d6fef8f16bae/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 -> 20ebedc7025deba0ba6b1d81eeaced9b389ea599 [2018-11-23 12:23:49,724 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:23:49,734 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:23:49,737 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:23:49,738 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:23:49,738 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:23:49,739 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2457b6a2-5892-4913-b7a7-d6fef8f16bae/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1031_true-unreach-call.c [2018-11-23 12:23:49,785 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2457b6a2-5892-4913-b7a7-d6fef8f16bae/bin-2019/ukojak/data/acba2becd/e26606152549468fb60f60ccb93afbdf/FLAG56a0d5112 [2018-11-23 12:23:50,148 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:23:50,149 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2457b6a2-5892-4913-b7a7-d6fef8f16bae/sv-benchmarks/c/float-newlib/float_req_bl_1031_true-unreach-call.c [2018-11-23 12:23:50,155 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2457b6a2-5892-4913-b7a7-d6fef8f16bae/bin-2019/ukojak/data/acba2becd/e26606152549468fb60f60ccb93afbdf/FLAG56a0d5112 [2018-11-23 12:23:50,169 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2457b6a2-5892-4913-b7a7-d6fef8f16bae/bin-2019/ukojak/data/acba2becd/e26606152549468fb60f60ccb93afbdf [2018-11-23 12:23:50,172 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:23:50,173 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:23:50,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:23:50,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:23:50,178 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:23:50,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:23:50" (1/1) ... [2018-11-23 12:23:50,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a1fe9d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:50, skipping insertion in model container [2018-11-23 12:23:50,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:23:50" (1/1) ... [2018-11-23 12:23:50,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:23:50,209 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:23:50,346 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:23:50,348 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:23:50,364 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:23:50,385 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:23:50,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:50 WrapperNode [2018-11-23 12:23:50,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:23:50,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:23:50,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:23:50,386 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:23:50,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:50" (1/1) ... [2018-11-23 12:23:50,399 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:50" (1/1) ... [2018-11-23 12:23:50,458 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:23:50,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:23:50,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:23:50,458 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:23:50,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:50" (1/1) ... [2018-11-23 12:23:50,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:50" (1/1) ... [2018-11-23 12:23:50,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:50" (1/1) ... [2018-11-23 12:23:50,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:50" (1/1) ... [2018-11-23 12:23:50,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:50" (1/1) ... [2018-11-23 12:23:50,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:50" (1/1) ... [2018-11-23 12:23:50,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:50" (1/1) ... [2018-11-23 12:23:50,481 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:23:50,482 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:23:50,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:23:50,482 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:23:50,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2457b6a2-5892-4913-b7a7-d6fef8f16bae/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 [2018-11-23 12:23:50,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-23 12:23:50,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 12:23:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-23 12:23:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 12:23:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:23:50,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:23:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 12:23:50,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 12:23:50,727 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:23:50,727 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-11-23 12:23:50,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:23:50 BoogieIcfgContainer [2018-11-23 12:23:50,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:23:50,728 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 12:23:50,729 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 12:23:50,737 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 12:23:50,737 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:23:50" (1/1) ... [2018-11-23 12:23:50,744 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:23:50,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:23:50,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2018-11-23 12:23:50,770 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2018-11-23 12:23:50,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 12:23:50,772 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:23:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:23:50,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:23:50,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:23:50,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2018-11-23 12:23:50,864 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2018-11-23 12:23:50,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 12:23:50,865 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:23:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:23:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:23:50,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:23:50,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:23:50,970 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];havoc main_#res;havoc main_#t~ret4, main_#t~ret5, main_~x~0, main_~res~0;main_~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0);round_float_#in~x := main_~x~0;havoc round_float_#res;havoc round_float_#t~mem0, round_float_#t~union1, round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset, round_float_~exponent_mask~0, round_float_#t~mem2, round_float_#t~union3, round_float_~#sf_u~0.base, round_float_~#sf_u~0.offset, round_float_~x, round_float_~w~0, round_float_~exponent_less_127~0;round_float_~x := round_float_#in~x;havoc round_float_~w~0;havoc round_float_~exponent_less_127~0; VAL [ULTIMATE.start_main_~x~0=3.0, ULTIMATE.start_round_float_~x=3.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_round_float_#in~x|=3.0] [?] call round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset := #Ultimate.alloc(4);call write~real(round_float_~x, round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset, 4);call round_float_#t~mem0 := read~int(round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset, 4);round_float_~w~0 := round_float_#t~mem0;call write~real(round_float_#t~union1, round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset, 4);havoc round_float_#t~union1;havoc round_float_#t~mem0;call ULTIMATE.dealloc(round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset);havoc round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset; VAL [ULTIMATE.start_main_~x~0=3.0, ULTIMATE.start_round_float_~w~0=2, ULTIMATE.start_round_float_~x=3.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_round_float_#in~x|=3.0] [?] goto; VAL [ULTIMATE.start_main_~x~0=3.0, ULTIMATE.start_round_float_~w~0=2, ULTIMATE.start_round_float_~x=3.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_round_float_#in~x|=3.0] [?] round_float_~exponent_less_127~0 := (if ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 else ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 - 4294967296) - 127; VAL [ULTIMATE.start_main_~x~0=3.0, ULTIMATE.start_round_float_~exponent_less_127~0=23, ULTIMATE.start_round_float_~w~0=2, ULTIMATE.start_round_float_~x=3.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_round_float_#in~x|=3.0] [?] assume !(round_float_~exponent_less_127~0 < 23);BeginParallelComposition{ParallelCodeBlock0: assume 128 == round_float_~exponent_less_127~0;round_float_#res := ~someBinaryArithmeticFLOAToperation(round_float_~x, round_float_~x);ParallelCodeBlock1: assume !(128 == round_float_~exponent_less_127~0);round_float_#res := round_float_~x;}EndParallelComposition VAL [ULTIMATE.start_main_~x~0=3.0, ULTIMATE.start_round_float_~exponent_less_127~0=23, ULTIMATE.start_round_float_~w~0=2, ULTIMATE.start_round_float_~x=3.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_round_float_#in~x|=3.0, |ULTIMATE.start_round_float_#res|=3.0] [?] main_#t~ret4 := round_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_isnan_float_~x=3.0, ULTIMATE.start_main_~res~0=3.0, ULTIMATE.start_main_~x~0=3.0, ULTIMATE.start_round_float_~exponent_less_127~0=23, ULTIMATE.start_round_float_~w~0=2, ULTIMATE.start_round_float_~x=3.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_isnan_float_#in~x|=3.0, |ULTIMATE.start_isnan_float_#res|=0, |ULTIMATE.start_main_#t~ret5|=0, |ULTIMATE.start_round_float_#in~x|=3.0, |ULTIMATE.start_round_float_#res|=3.0] [?] assume 0 == main_#t~ret5;havoc main_#t~ret5; VAL [ULTIMATE.start_isnan_float_~x=3.0, ULTIMATE.start_main_~res~0=3.0, ULTIMATE.start_main_~x~0=3.0, ULTIMATE.start_round_float_~exponent_less_127~0=23, ULTIMATE.start_round_float_~w~0=2, ULTIMATE.start_round_float_~x=3.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_isnan_float_#in~x|=3.0, |ULTIMATE.start_isnan_float_#res|=0, |ULTIMATE.start_round_float_#in~x|=3.0, |ULTIMATE.start_round_float_#res|=3.0] [?] assume !false; VAL [ULTIMATE.start_isnan_float_~x=3.0, ULTIMATE.start_main_~res~0=3.0, ULTIMATE.start_main_~x~0=3.0, ULTIMATE.start_round_float_~exponent_less_127~0=23, ULTIMATE.start_round_float_~w~0=2, ULTIMATE.start_round_float_~x=3.0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_isnan_float_#in~x|=3.0, |ULTIMATE.start_isnan_float_#res|=0, |ULTIMATE.start_round_float_#in~x|=3.0, |ULTIMATE.start_round_float_#res|=3.0] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [?] havoc main_#res; [?] havoc main_#t~ret4, main_#t~ret5, main_~x~0, main_~res~0; [L65] main_~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L66] round_float_#in~x := main_~x~0; [L66] havoc round_float_#res; [L66] havoc round_float_#t~mem0, round_float_#t~union1, round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset, round_float_~exponent_mask~0, round_float_#t~mem2, round_float_#t~union3, round_float_~#sf_u~0.base, round_float_~#sf_u~0.offset, round_float_~x, round_float_~w~0, round_float_~exponent_less_127~0; [L11-L52] round_float_~x := round_float_#in~x; [L12] havoc round_float_~w~0; [L14] havoc round_float_~exponent_less_127~0; VAL [#NULL.base=0, #NULL.offset=0, main_~x~0=3.0, round_float_#in~x=3.0, round_float_~x=3.0] [L17] call round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset := #Ultimate.alloc(4); [L18] call write~real(round_float_~x, round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset, 4); [L19] call round_float_#t~mem0 := read~int(round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset, 4); [L19] round_float_~w~0 := round_float_#t~mem0; [L19] call write~real(round_float_#t~union1, round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset, 4); [L19] havoc round_float_#t~union1; [L19] havoc round_float_#t~mem0; [L17] call ULTIMATE.dealloc(round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset); [L17] havoc round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset; VAL [#NULL.base=0, #NULL.offset=0, main_~x~0=3.0, round_float_#in~x=3.0, round_float_~w~0=2, round_float_~x=3.0] [L22] round_float_~exponent_less_127~0 := (if ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 else ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 - 4294967296) - 127; VAL [#NULL.base=0, #NULL.offset=0, main_~x~0=3.0, round_float_#in~x=3.0, round_float_~exponent_less_127~0=23, round_float_~w~0=2, round_float_~x=3.0] [L24-L45] assume !(round_float_~exponent_less_127~0 < 23); [L40-L44] assume !(128 == round_float_~exponent_less_127~0); [L44] round_float_#res := round_float_~x; VAL [#NULL.base=0, #NULL.offset=0, main_~x~0=3.0, round_float_#in~x=3.0, round_float_#res=3.0, round_float_~exponent_less_127~0=23, round_float_~w~0=2, round_float_~x=3.0] [L66] main_#t~ret4 := round_float_#res; [L66] main_~res~0 := main_#t~ret4; [L66] havoc main_#t~ret4; [L69] isnan_float_#in~x := main_~res~0; [L69] havoc isnan_float_#res; [L69] havoc isnan_float_~x; [L55] isnan_float_~x := isnan_float_#in~x; [L55] isnan_float_#res := (if ~someBinaryFLOATComparisonOperation(isnan_float_~x, isnan_float_~x) then 1 else 0); [L69] main_#t~ret5 := isnan_float_#res; [L69] assume -2147483648 <= main_#t~ret5 && main_#t~ret5 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=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, round_float_#in~x=3.0, round_float_#res=3.0, round_float_~exponent_less_127~0=23, round_float_~w~0=2, round_float_~x=3.0] [L69-L72] assume 0 == main_#t~ret5; [L69] havoc main_#t~ret5; VAL [#NULL.base=0, #NULL.offset=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, round_float_#in~x=3.0, round_float_#res=3.0, round_float_~exponent_less_127~0=23, round_float_~w~0=2, round_float_~x=3.0] [L70] assert false; VAL [#NULL.base=0, #NULL.offset=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, round_float_#in~x=3.0, round_float_#res=3.0, round_float_~exponent_less_127~0=23, round_float_~w~0=2, round_float_~x=3.0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [?] havoc main_#res; [?] havoc main_#t~ret4, main_#t~ret5, main_~x~0, main_~res~0; [L65] main_~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L66] round_float_#in~x := main_~x~0; [L66] havoc round_float_#res; [L66] havoc round_float_#t~mem0, round_float_#t~union1, round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset, round_float_~exponent_mask~0, round_float_#t~mem2, round_float_#t~union3, round_float_~#sf_u~0.base, round_float_~#sf_u~0.offset, round_float_~x, round_float_~w~0, round_float_~exponent_less_127~0; [L11-L52] round_float_~x := round_float_#in~x; [L12] havoc round_float_~w~0; [L14] havoc round_float_~exponent_less_127~0; VAL [#NULL.base=0, #NULL.offset=0, main_~x~0=3.0, round_float_#in~x=3.0, round_float_~x=3.0] [L17] call round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset := #Ultimate.alloc(4); [L18] call write~real(round_float_~x, round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset, 4); [L19] call round_float_#t~mem0 := read~int(round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset, 4); [L19] round_float_~w~0 := round_float_#t~mem0; [L19] call write~real(round_float_#t~union1, round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset, 4); [L19] havoc round_float_#t~union1; [L19] havoc round_float_#t~mem0; [L17] call ULTIMATE.dealloc(round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset); [L17] havoc round_float_~#gf_u~0.base, round_float_~#gf_u~0.offset; VAL [#NULL.base=0, #NULL.offset=0, main_~x~0=3.0, round_float_#in~x=3.0, round_float_~w~0=2, round_float_~x=3.0] [L22] round_float_~exponent_less_127~0 := (if ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 else ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 - 4294967296) - 127; VAL [#NULL.base=0, #NULL.offset=0, main_~x~0=3.0, round_float_#in~x=3.0, round_float_~exponent_less_127~0=23, round_float_~w~0=2, round_float_~x=3.0] [L24-L45] assume !(round_float_~exponent_less_127~0 < 23); [L40-L44] assume !(128 == round_float_~exponent_less_127~0); [L44] round_float_#res := round_float_~x; VAL [#NULL.base=0, #NULL.offset=0, main_~x~0=3.0, round_float_#in~x=3.0, round_float_#res=3.0, round_float_~exponent_less_127~0=23, round_float_~w~0=2, round_float_~x=3.0] [L66] main_#t~ret4 := round_float_#res; [L66] main_~res~0 := main_#t~ret4; [L66] havoc main_#t~ret4; [L69] isnan_float_#in~x := main_~res~0; [L69] havoc isnan_float_#res; [L69] havoc isnan_float_~x; [L55] isnan_float_~x := isnan_float_#in~x; [L55] isnan_float_#res := (if ~someBinaryFLOATComparisonOperation(isnan_float_~x, isnan_float_~x) then 1 else 0); [L69] main_#t~ret5 := isnan_float_#res; [L69] assume -2147483648 <= main_#t~ret5 && main_#t~ret5 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=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, round_float_#in~x=3.0, round_float_#res=3.0, round_float_~exponent_less_127~0=23, round_float_~w~0=2, round_float_~x=3.0] [L69-L72] assume 0 == main_#t~ret5; [L69] havoc main_#t~ret5; VAL [#NULL.base=0, #NULL.offset=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, round_float_#in~x=3.0, round_float_#res=3.0, round_float_~exponent_less_127~0=23, round_float_~w~0=2, round_float_~x=3.0] [L70] assert false; VAL [#NULL.base=0, #NULL.offset=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, round_float_#in~x=3.0, round_float_#res=3.0, round_float_~exponent_less_127~0=23, round_float_~w~0=2, round_float_~x=3.0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [?] havoc main_#res; [?] havoc main_#t~ret4, main_#t~ret5, main_~x~0, main_~res~0; [L65] main_~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L66] round_float_#in~x := main_~x~0; [L66] havoc round_float_#res; [L66] havoc round_float_#t~mem0, round_float_#t~union1, round_float_~#gf_u~0, round_float_~exponent_mask~0, round_float_#t~mem2, round_float_#t~union3, round_float_~#sf_u~0, round_float_~x, round_float_~w~0, round_float_~exponent_less_127~0; [L11-L52] round_float_~x := round_float_#in~x; [L12] havoc round_float_~w~0; [L14] havoc round_float_~exponent_less_127~0; VAL [#NULL!base=0, #NULL!offset=0, main_~x~0=3.0, round_float_#in~x=3.0, round_float_~x=3.0] [L17] FCALL call round_float_~#gf_u~0 := #Ultimate.alloc(4); [L18] FCALL call write~real(round_float_~x, { base: round_float_~#gf_u~0!base, offset: round_float_~#gf_u~0!offset }, 4); [L19] FCALL call round_float_#t~mem0 := read~int({ base: round_float_~#gf_u~0!base, offset: round_float_~#gf_u~0!offset }, 4); [L19] round_float_~w~0 := round_float_#t~mem0; [L19] FCALL call write~real(round_float_#t~union1, { base: round_float_~#gf_u~0!base, offset: round_float_~#gf_u~0!offset }, 4); [L19] havoc round_float_#t~union1; [L19] havoc round_float_#t~mem0; [L17] FCALL call ULTIMATE.dealloc(round_float_~#gf_u~0); [L17] havoc round_float_~#gf_u~0; VAL [#NULL!base=0, #NULL!offset=0, main_~x~0=3.0, round_float_#in~x=3.0, round_float_~w~0=2, round_float_~x=3.0] [L22] round_float_~exponent_less_127~0 := (if ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 else ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 - 4294967296) - 127; VAL [#NULL!base=0, #NULL!offset=0, main_~x~0=3.0, round_float_#in~x=3.0, round_float_~exponent_less_127~0=23, round_float_~w~0=2, round_float_~x=3.0] [L24] COND FALSE !(round_float_~exponent_less_127~0 < 23) [L40] COND FALSE !(128 == round_float_~exponent_less_127~0) [L44] round_float_#res := round_float_~x; VAL [#NULL!base=0, #NULL!offset=0, main_~x~0=3.0, round_float_#in~x=3.0, round_float_#res=3.0, round_float_~exponent_less_127~0=23, round_float_~w~0=2, round_float_~x=3.0] [L66] main_#t~ret4 := round_float_#res; [L66] main_~res~0 := main_#t~ret4; [L66] havoc main_#t~ret4; [L69] isnan_float_#in~x := main_~res~0; [L69] havoc isnan_float_#res; [L69] havoc isnan_float_~x; [L55] isnan_float_~x := isnan_float_#in~x; [L55] isnan_float_#res := (if ~someBinaryFLOATComparisonOperation(isnan_float_~x, isnan_float_~x) then 1 else 0); [L69] main_#t~ret5 := isnan_float_#res; [L69] assume -2147483648 <= main_#t~ret5 && main_#t~ret5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=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, round_float_#in~x=3.0, round_float_#res=3.0, round_float_~exponent_less_127~0=23, round_float_~w~0=2, round_float_~x=3.0] [L69] COND TRUE 0 == main_#t~ret5 [L69] havoc main_#t~ret5; VAL [#NULL!base=0, #NULL!offset=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, round_float_#in~x=3.0, round_float_#res=3.0, round_float_~exponent_less_127~0=23, round_float_~w~0=2, round_float_~x=3.0] [L70] assert false; VAL [#NULL!base=0, #NULL!offset=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, round_float_#in~x=3.0, round_float_#res=3.0, round_float_~exponent_less_127~0=23, round_float_~w~0=2, round_float_~x=3.0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [?] havoc main_#res; [?] havoc main_#t~ret4, main_#t~ret5, main_~x~0, main_~res~0; [L65] main_~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L66] round_float_#in~x := main_~x~0; [L66] havoc round_float_#res; [L66] havoc round_float_#t~mem0, round_float_#t~union1, round_float_~#gf_u~0, round_float_~exponent_mask~0, round_float_#t~mem2, round_float_#t~union3, round_float_~#sf_u~0, round_float_~x, round_float_~w~0, round_float_~exponent_less_127~0; [L11-L52] round_float_~x := round_float_#in~x; [L12] havoc round_float_~w~0; [L14] havoc round_float_~exponent_less_127~0; VAL [#NULL!base=0, #NULL!offset=0, main_~x~0=3.0, round_float_#in~x=3.0, round_float_~x=3.0] [L17] FCALL call round_float_~#gf_u~0 := #Ultimate.alloc(4); [L18] FCALL call write~real(round_float_~x, { base: round_float_~#gf_u~0!base, offset: round_float_~#gf_u~0!offset }, 4); [L19] FCALL call round_float_#t~mem0 := read~int({ base: round_float_~#gf_u~0!base, offset: round_float_~#gf_u~0!offset }, 4); [L19] round_float_~w~0 := round_float_#t~mem0; [L19] FCALL call write~real(round_float_#t~union1, { base: round_float_~#gf_u~0!base, offset: round_float_~#gf_u~0!offset }, 4); [L19] havoc round_float_#t~union1; [L19] havoc round_float_#t~mem0; [L17] FCALL call ULTIMATE.dealloc(round_float_~#gf_u~0); [L17] havoc round_float_~#gf_u~0; VAL [#NULL!base=0, #NULL!offset=0, main_~x~0=3.0, round_float_#in~x=3.0, round_float_~w~0=2, round_float_~x=3.0] [L22] round_float_~exponent_less_127~0 := (if ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 else ~bitwiseAnd(round_float_~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 - 4294967296) - 127; VAL [#NULL!base=0, #NULL!offset=0, main_~x~0=3.0, round_float_#in~x=3.0, round_float_~exponent_less_127~0=23, round_float_~w~0=2, round_float_~x=3.0] [L24] COND FALSE !(round_float_~exponent_less_127~0 < 23) [L40] COND FALSE !(128 == round_float_~exponent_less_127~0) [L44] round_float_#res := round_float_~x; VAL [#NULL!base=0, #NULL!offset=0, main_~x~0=3.0, round_float_#in~x=3.0, round_float_#res=3.0, round_float_~exponent_less_127~0=23, round_float_~w~0=2, round_float_~x=3.0] [L66] main_#t~ret4 := round_float_#res; [L66] main_~res~0 := main_#t~ret4; [L66] havoc main_#t~ret4; [L69] isnan_float_#in~x := main_~res~0; [L69] havoc isnan_float_#res; [L69] havoc isnan_float_~x; [L55] isnan_float_~x := isnan_float_#in~x; [L55] isnan_float_#res := (if ~someBinaryFLOATComparisonOperation(isnan_float_~x, isnan_float_~x) then 1 else 0); [L69] main_#t~ret5 := isnan_float_#res; [L69] assume -2147483648 <= main_#t~ret5 && main_#t~ret5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=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, round_float_#in~x=3.0, round_float_#res=3.0, round_float_~exponent_less_127~0=23, round_float_~w~0=2, round_float_~x=3.0] [L69] COND TRUE 0 == main_#t~ret5 [L69] havoc main_#t~ret5; VAL [#NULL!base=0, #NULL!offset=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, round_float_#in~x=3.0, round_float_#res=3.0, round_float_~exponent_less_127~0=23, round_float_~w~0=2, round_float_~x=3.0] [L70] assert false; VAL [#NULL!base=0, #NULL!offset=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, round_float_#in~x=3.0, round_float_#res=3.0, round_float_~exponent_less_127~0=23, round_float_~w~0=2, round_float_~x=3.0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L65] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L11-L52] ~x := #in~x; [L12] havoc ~w~0; [L14] havoc ~exponent_less_127~0; VAL [#NULL!base=0, #NULL!offset=0] [L17] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L18] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] ~w~0 := #t~mem0; [L19] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] havoc #t~union1; [L19] havoc #t~mem0; [L17] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L17] havoc ~#gf_u~0; VAL [#NULL!base=0, #NULL!offset=0] [L22] ~exponent_less_127~0 := (if ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 else ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 - 4294967296) - 127; VAL [#NULL!base=0, #NULL!offset=0] [L24] COND FALSE !(~exponent_less_127~0 < 23) [L40] COND FALSE !(128 == ~exponent_less_127~0) [L44] #res := ~x; VAL [#NULL!base=0, #NULL!offset=0] [L66] ~res~0 := #t~ret4; [L66] havoc #t~ret4; [L55] ~x := #in~x; [L55] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); [L69] assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L69] COND TRUE 0 == #t~ret5 [L69] havoc #t~ret5; VAL [#NULL!base=0, #NULL!offset=0] [L70] assert false; VAL [#NULL!base=0, #NULL!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L65] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); [L11-L52] ~x := #in~x; [L12] havoc ~w~0; [L14] havoc ~exponent_less_127~0; VAL [#NULL!base=0, #NULL!offset=0] [L17] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L18] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] ~w~0 := #t~mem0; [L19] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L19] havoc #t~union1; [L19] havoc #t~mem0; [L17] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L17] havoc ~#gf_u~0; VAL [#NULL!base=0, #NULL!offset=0] [L22] ~exponent_less_127~0 := (if ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 else ~bitwiseAnd(~w~0, 2139095040) / 8388608 % 4294967296 % 4294967296 - 4294967296) - 127; VAL [#NULL!base=0, #NULL!offset=0] [L24] COND FALSE !(~exponent_less_127~0 < 23) [L40] COND FALSE !(128 == ~exponent_less_127~0) [L44] #res := ~x; VAL [#NULL!base=0, #NULL!offset=0] [L66] ~res~0 := #t~ret4; [L66] havoc #t~ret4; [L55] ~x := #in~x; [L55] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); [L69] assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L69] COND TRUE 0 == #t~ret5 [L69] havoc #t~ret5; VAL [#NULL!base=0, #NULL!offset=0] [L70] assert false; VAL [#NULL!base=0, #NULL!offset=0] [L65] float x = 0.0f / 0.0f; [L12] __uint32_t w; [L14] int exponent_less_127; [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (w) = gf_u.word [L22] exponent_less_127 = (int)((w & 0x7f800000) >> 23) - 127 [L24] COND FALSE !(exponent_less_127 < 23) [L40] COND FALSE !(exponent_less_127 == 128) [L44] return x; [L66] float res = round_float(x); [L55] return x != x; [L69] COND TRUE !isnan_float(res) [L70] __VERIFIER_error() ----- [2018-11-23 12:23:51,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:23:51 ImpRootNode [2018-11-23 12:23:51,004 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 12:23:51,004 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:23:51,004 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:23:51,005 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:23:51,005 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:23:50" (3/4) ... [2018-11-23 12:23:51,009 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 12:23:51,009 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:23:51,010 INFO L168 Benchmark]: Toolchain (without parser) took 837.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 961.9 MB in the beginning and 1.1 GB in the end (delta: -122.7 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2018-11-23 12:23:51,012 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:23:51,012 INFO L168 Benchmark]: CACSL2BoogieTranslator took 211.11 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 945.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 12:23:51,013 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -183.7 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-23 12:23:51,014 INFO L168 Benchmark]: Boogie Preprocessor took 23.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:23:51,014 INFO L168 Benchmark]: RCFGBuilder took 246.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:23:51,015 INFO L168 Benchmark]: CodeCheck took 275.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2018-11-23 12:23:51,015 INFO L168 Benchmark]: Witness Printer took 4.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:23:51,018 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, 21 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: 70]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 55, overapproximation of someBinaryArithmeticFLOAToperation at line 42, overapproximation of bitwiseAnd at line 22. Possible FailurePath: [L65] float x = 0.0f / 0.0f; [L12] __uint32_t w; [L14] int exponent_less_127; [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (w) = gf_u.word [L22] exponent_less_127 = (int)((w & 0x7f800000) >> 23) - 127 [L24] COND FALSE !(exponent_less_127 < 23) [L40] COND FALSE !(exponent_less_127 == 128) [L44] return x; [L66] float res = round_float(x); [L55] return x != x; [L69] COND TRUE !isnan_float(res) [L70] __VERIFIER_error() * 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 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 211.11 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 945.8 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 72.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -183.7 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 246.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * CodeCheck took 275.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 12:23:52,590 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:23:52,591 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:23:52,599 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-11-23 12:23:52,619 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:23:52,619 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:23:52,620 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:23:52,622 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:23:52,622 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:23:52,623 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:23:52,624 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:23:52,624 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:23:52,625 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:23:52,625 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:23:52,626 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:23:52,626 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:23:52,627 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:23:52,627 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2457b6a2-5892-4913-b7a7-d6fef8f16bae/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-23 12:23:52,640 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:23:52,640 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:23:52,641 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:23:52,641 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 12:23:52,642 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:23:52,642 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:23:52,642 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:23:52,642 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:23:52,643 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:23:52,643 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:23:52,643 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:23:52,643 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:23:52,643 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:23:52,643 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 12:23:52,643 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 12:23:52,643 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:23:52,643 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:23:52,644 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:23:52,644 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:23:52,644 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 12:23:52,644 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 12:23:52,644 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:23:52,644 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:23:52,644 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 12:23:52,645 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:23:52,645 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:23:52,645 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:23:52,645 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-23 12:23:52,645 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 12:23:52,645 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:23:52,645 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 12:23:52,646 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 12:23:52,646 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_2457b6a2-5892-4913-b7a7-d6fef8f16bae/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 -> 20ebedc7025deba0ba6b1d81eeaced9b389ea599 [2018-11-23 12:23:52,679 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:23:52,687 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:23:52,690 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:23:52,691 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:23:52,691 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:23:52,692 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2457b6a2-5892-4913-b7a7-d6fef8f16bae/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_1031_true-unreach-call.c [2018-11-23 12:23:52,732 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2457b6a2-5892-4913-b7a7-d6fef8f16bae/bin-2019/ukojak/data/23fe4763a/4f3ae4467586480db6b3ae6bdd94c3d6/FLAG9398e848d [2018-11-23 12:23:53,078 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:23:53,079 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2457b6a2-5892-4913-b7a7-d6fef8f16bae/sv-benchmarks/c/float-newlib/float_req_bl_1031_true-unreach-call.c [2018-11-23 12:23:53,084 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2457b6a2-5892-4913-b7a7-d6fef8f16bae/bin-2019/ukojak/data/23fe4763a/4f3ae4467586480db6b3ae6bdd94c3d6/FLAG9398e848d [2018-11-23 12:23:53,495 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2457b6a2-5892-4913-b7a7-d6fef8f16bae/bin-2019/ukojak/data/23fe4763a/4f3ae4467586480db6b3ae6bdd94c3d6 [2018-11-23 12:23:53,498 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:23:53,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:23:53,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:23:53,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:23:53,504 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:23:53,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:23:53" (1/1) ... [2018-11-23 12:23:53,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f7a20e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:53, skipping insertion in model container [2018-11-23 12:23:53,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:23:53" (1/1) ... [2018-11-23 12:23:53,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:23:53,536 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:23:53,670 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:23:53,674 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:23:53,695 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:23:53,717 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:23:53,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:53 WrapperNode [2018-11-23 12:23:53,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:23:53,719 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:23:53,719 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:23:53,719 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:23:53,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:53" (1/1) ... [2018-11-23 12:23:53,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:53" (1/1) ... [2018-11-23 12:23:53,749 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:23:53,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:23:53,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:23:53,749 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:23:53,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:53" (1/1) ... [2018-11-23 12:23:53,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:53" (1/1) ... [2018-11-23 12:23:53,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:53" (1/1) ... [2018-11-23 12:23:53,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:53" (1/1) ... [2018-11-23 12:23:53,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:53" (1/1) ... [2018-11-23 12:23:53,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:53" (1/1) ... [2018-11-23 12:23:53,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:53" (1/1) ... [2018-11-23 12:23:53,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:23:53,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:23:53,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:23:53,780 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:23:53,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2457b6a2-5892-4913-b7a7-d6fef8f16bae/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 [2018-11-23 12:23:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 12:23:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 12:23:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:23:53,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:23:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-23 12:23:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-23 12:23:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 12:23:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 12:23:54,245 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:23:54,245 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-11-23 12:23:54,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:23:54 BoogieIcfgContainer [2018-11-23 12:23:54,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:23:54,246 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 12:23:54,246 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 12:23:54,257 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 12:23:54,257 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:23:54" (1/1) ... [2018-11-23 12:23:54,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:23:54,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:23:54,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2018-11-23 12:23:54,293 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2018-11-23 12:23:54,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 12:23:54,295 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:23:54,336 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 12:23:54,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:23:54,378 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:23:54,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:23:54,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:23:54,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2018-11-23 12:23:54,395 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2018-11-23 12:23:54,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 12:23:54,396 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:23:54,397 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 12:23:54,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:23:54,435 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:23:54,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:23:54,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:23:54,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2018-11-23 12:23:54,670 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2018-11-23 12:23:54,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 12:23:54,670 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:23:54,671 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 12:23:54,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:23:54,691 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:23:54,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:23:54,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:23:54,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2018-11-23 12:23:54,723 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2018-11-23 12:23:54,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 12:23:54,723 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:23:54,724 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 12:23:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:23:54,734 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:23:54,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:23:54,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:23:54,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2018-11-23 12:23:54,738 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2018-11-23 12:23:54,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 12:23:54,738 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:23:54,739 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-23 12:23:54,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:23:54,755 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:23:54,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:23:55,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:23:55,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2018-11-23 12:23:55,305 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2018-11-23 12:23:55,305 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:23:55,305 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2018-11-23 12:23:55,312 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 12:23:55,373 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:23:55,376 INFO L579 CodeCheckObserver]: Invariant with dag size 6 [2018-11-23 12:23:55,379 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 12:23:55,380 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 12:23:55,380 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 12:23:55,383 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 12:23:55,383 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 12:23:55,384 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 12:23:55,385 INFO L579 CodeCheckObserver]: Invariant with dag size 5 [2018-11-23 12:23:55,386 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 12:23:55,386 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 12:23:55,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:23:55 ImpRootNode [2018-11-23 12:23:55,387 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 12:23:55,387 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:23:55,388 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:23:55,388 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:23:55,389 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:23:54" (3/4) ... [2018-11-23 12:23:55,392 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 12:23:55,403 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-23 12:23:55,403 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 12:23:55,404 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:23:55,427 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) [2018-11-23 12:23:55,447 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2457b6a2-5892-4913-b7a7-d6fef8f16bae/bin-2019/ukojak/witness.graphml [2018-11-23 12:23:55,447 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:23:55,448 INFO L168 Benchmark]: Toolchain (without parser) took 1949.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 953.2 MB in the beginning and 1.0 GB in the end (delta: -62.9 MB). Peak memory consumption was 70.8 MB. Max. memory is 11.5 GB. [2018-11-23 12:23:55,449 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:23:55,449 INFO L168 Benchmark]: CACSL2BoogieTranslator took 218.14 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 12:23:55,450 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.44 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:23:55,450 INFO L168 Benchmark]: Boogie Preprocessor took 30.02 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:23:55,450 INFO L168 Benchmark]: RCFGBuilder took 466.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -166.2 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-11-23 12:23:55,450 INFO L168 Benchmark]: CodeCheck took 1141.25 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: 87.2 MB). Peak memory consumption was 87.2 MB. Max. memory is 11.5 GB. [2018-11-23 12:23:55,451 INFO L168 Benchmark]: Witness Printer took 59.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:23:55,453 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, 21 locations, 1 error locations. SAFE Result, 1.0s OverallTime, 6 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 344 SDtfs, 134 SDslu, 104 SDs, 0 SdLazy, 362 SolverSat, 120 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 367 GetRequests, 348 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 43 ConstructedInterpolants, 2 QuantifiedInterpolants, 1786 SizeOfPredicates, 22 NumberOfNonLiveVariables, 138 ConjunctsInSsa, 28 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: 70]: 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: 57]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11]: Loop Invariant [2018-11-23 12:23:55,454 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 12:23:55,454 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 12:23:55,454 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 12:23:55,455 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 12:23:55,455 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 12:23:55,455 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 16]: Loop Invariant [2018-11-23 12:23:55,456 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-23 12:23:55,456 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 218.14 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.44 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.02 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 466.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -166.2 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * CodeCheck took 1141.25 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: 87.2 MB). Peak memory consumption was 87.2 MB. Max. memory is 11.5 GB. * Witness Printer took 59.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. 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 - 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...