./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0620b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5ce6314c-b075-44c5-9713-cb93e035aff9/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5ce6314c-b075-44c5-9713-cb93e035aff9/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5ce6314c-b075-44c5-9713-cb93e035aff9/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5ce6314c-b075-44c5-9713-cb93e035aff9/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0620b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5ce6314c-b075-44c5-9713-cb93e035aff9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5ce6314c-b075-44c5-9713-cb93e035aff9/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 fd8280e6c85ab06c5ea4e924d9eaa3661cb56ac8 .................................................................................................................................................................................................................................................................. 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_5ce6314c-b075-44c5-9713-cb93e035aff9/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5ce6314c-b075-44c5-9713-cb93e035aff9/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5ce6314c-b075-44c5-9713-cb93e035aff9/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5ce6314c-b075-44c5-9713-cb93e035aff9/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0620b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5ce6314c-b075-44c5-9713-cb93e035aff9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5ce6314c-b075-44c5-9713-cb93e035aff9/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 fd8280e6c85ab06c5ea4e924d9eaa3661cb56ac8 ....................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 14:47:56,534 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 14:47:56,534 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 14:47:56,541 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 14:47:56,541 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 14:47:56,541 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 14:47:56,542 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 14:47:56,543 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 14:47:56,544 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 14:47:56,544 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 14:47:56,545 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 14:47:56,545 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 14:47:56,545 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 14:47:56,546 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 14:47:56,546 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 14:47:56,547 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 14:47:56,547 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 14:47:56,548 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 14:47:56,549 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 14:47:56,550 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 14:47:56,551 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 14:47:56,552 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 14:47:56,553 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 14:47:56,553 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 14:47:56,553 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 14:47:56,554 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 14:47:56,554 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 14:47:56,555 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 14:47:56,555 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 14:47:56,556 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 14:47:56,556 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 14:47:56,556 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 14:47:56,557 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 14:47:56,557 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 14:47:56,557 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 14:47:56,558 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 14:47:56,558 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5ce6314c-b075-44c5-9713-cb93e035aff9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 14:47:56,565 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 14:47:56,565 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 14:47:56,566 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 14:47:56,566 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 14:47:56,566 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 14:47:56,566 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 14:47:56,566 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 14:47:56,567 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 14:47:56,567 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 14:47:56,567 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 14:47:56,567 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 14:47:56,567 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 14:47:56,567 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 14:47:56,567 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 14:47:56,567 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 14:47:56,568 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 14:47:56,568 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 14:47:56,568 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 14:47:56,568 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 14:47:56,568 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 14:47:56,568 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 14:47:56,568 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 14:47:56,568 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 14:47:56,568 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 14:47:56,569 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 14:47:56,569 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 14:47:56,569 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 14:47:56,569 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 14:47:56,569 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 14:47:56,569 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_5ce6314c-b075-44c5-9713-cb93e035aff9/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 -> fd8280e6c85ab06c5ea4e924d9eaa3661cb56ac8 [2018-12-08 14:47:56,586 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 14:47:56,593 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 14:47:56,595 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 14:47:56,596 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 14:47:56,596 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 14:47:56,596 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5ce6314c-b075-44c5-9713-cb93e035aff9/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_0620b_true-unreach-call.c [2018-12-08 14:47:56,631 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5ce6314c-b075-44c5-9713-cb93e035aff9/bin-2019/ukojak/data/02d869c39/5ab2dfcd94c34dabadd8306dc749323b/FLAG3817e1446 [2018-12-08 14:47:57,012 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 14:47:57,013 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5ce6314c-b075-44c5-9713-cb93e035aff9/sv-benchmarks/c/float-newlib/float_req_bl_0620b_true-unreach-call.c [2018-12-08 14:47:57,017 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5ce6314c-b075-44c5-9713-cb93e035aff9/bin-2019/ukojak/data/02d869c39/5ab2dfcd94c34dabadd8306dc749323b/FLAG3817e1446 [2018-12-08 14:47:57,025 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5ce6314c-b075-44c5-9713-cb93e035aff9/bin-2019/ukojak/data/02d869c39/5ab2dfcd94c34dabadd8306dc749323b [2018-12-08 14:47:57,026 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 14:47:57,027 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 14:47:57,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 14:47:57,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 14:47:57,030 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 14:47:57,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 02:47:57" (1/1) ... [2018-12-08 14:47:57,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2486db8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:47:57, skipping insertion in model container [2018-12-08 14:47:57,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 02:47:57" (1/1) ... [2018-12-08 14:47:57,036 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 14:47:57,047 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 14:47:57,150 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 14:47:57,155 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 14:47:57,176 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 14:47:57,220 INFO L195 MainTranslator]: Completed translation [2018-12-08 14:47:57,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:47:57 WrapperNode [2018-12-08 14:47:57,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 14:47:57,221 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 14:47:57,221 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 14:47:57,221 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 14:47:57,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:47:57" (1/1) ... [2018-12-08 14:47:57,233 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:47:57" (1/1) ... [2018-12-08 14:47:57,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 14:47:57,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 14:47:57,249 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 14:47:57,249 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 14:47:57,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:47:57" (1/1) ... [2018-12-08 14:47:57,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:47:57" (1/1) ... [2018-12-08 14:47:57,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:47:57" (1/1) ... [2018-12-08 14:47:57,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:47:57" (1/1) ... [2018-12-08 14:47:57,263 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:47:57" (1/1) ... [2018-12-08 14:47:57,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:47:57" (1/1) ... [2018-12-08 14:47:57,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:47:57" (1/1) ... [2018-12-08 14:47:57,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 14:47:57,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 14:47:57,269 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 14:47:57,269 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 14:47:57,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:47:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5ce6314c-b075-44c5-9713-cb93e035aff9/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 [2018-12-08 14:47:57,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-08 14:47:57,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 14:47:57,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-08 14:47:57,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 14:47:57,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 14:47:57,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 14:47:57,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 14:47:57,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2018-12-08 14:47:57,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 14:47:57,537 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 14:47:57,537 INFO L280 CfgBuilder]: Removed 18 assue(true) statements. [2018-12-08 14:47:57,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:47:57 BoogieIcfgContainer [2018-12-08 14:47:57,538 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 14:47:57,538 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 14:47:57,538 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 14:47:57,545 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 14:47:57,545 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:47:57" (1/1) ... [2018-12-08 14:47:57,552 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:47:57,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:47:57,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 25 states and 38 transitions. [2018-12-08 14:47:57,575 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2018-12-08 14:47:57,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 14:47:57,577 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:47:57,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:47:57,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:47:57,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:47:57,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2018-12-08 14:47:57,655 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2018-12-08 14:47:57,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 14:47:57,655 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:47:57,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 14:47:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 14:47:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 14:47:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 14:47:57,760 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-12-08 14:47:57,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 02:47:57 ImpRootNode [2018-12-08 14:47:57,788 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 14:47:57,789 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 14:47:57,789 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 14:47:57,789 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 14:47:57,789 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:47:57" (3/4) ... [2018-12-08 14:47:57,791 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 14:47:57,791 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 14:47:57,792 INFO L168 Benchmark]: Toolchain (without parser) took 765.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 959.7 MB in the beginning and 1.1 GB in the end (delta: -97.2 MB). Peak memory consumption was 39.7 MB. Max. memory is 11.5 GB. [2018-12-08 14:47:57,793 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 14:47:57,793 INFO L168 Benchmark]: CACSL2BoogieTranslator took 193.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 959.7 MB in the beginning and 1.1 GB in the end (delta: -171.6 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2018-12-08 14:47:57,794 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.83 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. [2018-12-08 14:47:57,794 INFO L168 Benchmark]: Boogie Preprocessor took 19.96 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-08 14:47:57,794 INFO L168 Benchmark]: RCFGBuilder took 268.90 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: 36.1 MB). Peak memory consumption was 36.1 MB. Max. memory is 11.5 GB. [2018-12-08 14:47:57,795 INFO L168 Benchmark]: CodeCheck took 250.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-12-08 14:47:57,795 INFO L168 Benchmark]: Witness Printer took 2.99 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. [2018-12-08 14:47:57,797 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, 37 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 15 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 55 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 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: 142]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 141, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 62, overapproximation of someUnaryFLOAToperation at line 137, overapproximation of someBinaryArithmeticFLOAToperation at line 65. Possible FailurePath: [L12] static const float huge_floor = 1.0e30; [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L137] float x = -0.0f; [L54] float w, s1, s2, z; [L55] __int32_t ix, hx, id; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L58] ieee_float_shape_type gf_u; [L59] gf_u.value = (x) [L60] EXPR gf_u.word [L60] (hx) = gf_u.word [L62] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L63] COND TRUE ix >= 0x50800000 [L64] COND FALSE !(((ix) > 0x7f800000L)) [L66] COND FALSE !(hx > 0) [L69] EXPR atanhi_atan[3] [L69] EXPR atanlo_atan[3] [L69] return -atanhi_atan[3] - atanlo_atan[3]; [L138] float res = atan_float(x); [L141] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L141] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L142] __VERIFIER_error() VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 193.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 959.7 MB in the beginning and 1.1 GB in the end (delta: -171.6 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.83 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. * Boogie Preprocessor took 19.96 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 268.90 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: 36.1 MB). Peak memory consumption was 36.1 MB. Max. memory is 11.5 GB. * CodeCheck took 250.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Witness Printer took 2.99 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 0.1.23-635dfa2 [2018-12-08 14:47:59,156 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 14:47:59,157 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 14:47:59,163 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 14:47:59,163 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 14:47:59,164 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 14:47:59,164 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 14:47:59,165 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 14:47:59,167 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 14:47:59,167 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 14:47:59,168 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 14:47:59,168 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 14:47:59,169 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 14:47:59,169 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 14:47:59,170 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 14:47:59,171 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 14:47:59,171 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 14:47:59,172 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 14:47:59,173 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 14:47:59,174 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 14:47:59,174 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 14:47:59,175 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 14:47:59,176 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 14:47:59,176 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 14:47:59,176 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 14:47:59,176 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 14:47:59,177 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 14:47:59,177 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 14:47:59,178 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 14:47:59,178 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 14:47:59,179 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 14:47:59,179 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 14:47:59,179 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 14:47:59,179 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 14:47:59,180 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 14:47:59,181 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 14:47:59,181 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5ce6314c-b075-44c5-9713-cb93e035aff9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-08 14:47:59,190 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 14:47:59,190 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 14:47:59,190 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 14:47:59,191 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 14:47:59,191 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 14:47:59,191 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 14:47:59,192 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 14:47:59,192 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 14:47:59,192 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 14:47:59,192 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 14:47:59,192 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 14:47:59,192 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 14:47:59,193 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 14:47:59,193 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 14:47:59,193 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 14:47:59,193 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 14:47:59,193 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 14:47:59,193 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 14:47:59,193 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 14:47:59,194 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 14:47:59,194 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 14:47:59,194 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 14:47:59,194 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 14:47:59,194 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 14:47:59,194 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 14:47:59,195 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 14:47:59,195 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 14:47:59,195 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-08 14:47:59,195 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 14:47:59,195 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 14:47:59,195 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 14:47:59,195 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 14:47:59,196 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_5ce6314c-b075-44c5-9713-cb93e035aff9/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 -> fd8280e6c85ab06c5ea4e924d9eaa3661cb56ac8 [2018-12-08 14:47:59,219 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 14:47:59,226 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 14:47:59,228 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 14:47:59,229 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 14:47:59,229 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 14:47:59,229 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5ce6314c-b075-44c5-9713-cb93e035aff9/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_0620b_true-unreach-call.c [2018-12-08 14:47:59,264 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5ce6314c-b075-44c5-9713-cb93e035aff9/bin-2019/ukojak/data/00b8c6dc9/20b2427ec050455c9bb4281a025aa771/FLAGb64e6bc62 [2018-12-08 14:47:59,584 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 14:47:59,584 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5ce6314c-b075-44c5-9713-cb93e035aff9/sv-benchmarks/c/float-newlib/float_req_bl_0620b_true-unreach-call.c [2018-12-08 14:47:59,588 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5ce6314c-b075-44c5-9713-cb93e035aff9/bin-2019/ukojak/data/00b8c6dc9/20b2427ec050455c9bb4281a025aa771/FLAGb64e6bc62 [2018-12-08 14:48:00,003 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5ce6314c-b075-44c5-9713-cb93e035aff9/bin-2019/ukojak/data/00b8c6dc9/20b2427ec050455c9bb4281a025aa771 [2018-12-08 14:48:00,005 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 14:48:00,006 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 14:48:00,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 14:48:00,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 14:48:00,009 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 14:48:00,009 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 02:48:00" (1/1) ... [2018-12-08 14:48:00,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29c3bafb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:48:00, skipping insertion in model container [2018-12-08 14:48:00,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 02:48:00" (1/1) ... [2018-12-08 14:48:00,015 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 14:48:00,027 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 14:48:00,161 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 14:48:00,167 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 14:48:00,197 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 14:48:00,215 INFO L195 MainTranslator]: Completed translation [2018-12-08 14:48:00,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:48:00 WrapperNode [2018-12-08 14:48:00,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 14:48:00,216 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 14:48:00,216 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 14:48:00,216 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 14:48:00,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:48:00" (1/1) ... [2018-12-08 14:48:00,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:48:00" (1/1) ... [2018-12-08 14:48:00,282 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 14:48:00,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 14:48:00,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 14:48:00,283 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 14:48:00,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:48:00" (1/1) ... [2018-12-08 14:48:00,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:48:00" (1/1) ... [2018-12-08 14:48:00,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:48:00" (1/1) ... [2018-12-08 14:48:00,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:48:00" (1/1) ... [2018-12-08 14:48:00,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:48:00" (1/1) ... [2018-12-08 14:48:00,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:48:00" (1/1) ... [2018-12-08 14:48:00,305 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:48:00" (1/1) ... [2018-12-08 14:48:00,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 14:48:00,308 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 14:48:00,308 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 14:48:00,308 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 14:48:00,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 02:48:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5ce6314c-b075-44c5-9713-cb93e035aff9/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 [2018-12-08 14:48:00,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2018-12-08 14:48:00,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-08 14:48:00,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 14:48:00,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 14:48:00,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 14:48:00,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 14:48:00,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-08 14:48:00,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-08 14:48:00,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 14:48:00,471 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 14:48:00,493 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 14:48:00,765 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 14:48:16,633 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 14:49:58,767 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 14:49:58,767 INFO L280 CfgBuilder]: Removed 18 assue(true) statements. [2018-12-08 14:49:58,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:49:58 BoogieIcfgContainer [2018-12-08 14:49:58,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 14:49:58,768 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 14:49:58,768 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 14:49:58,776 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 14:49:58,776 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:49:58" (1/1) ... [2018-12-08 14:49:58,784 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 14:49:58,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:49:58,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 25 states and 38 transitions. [2018-12-08 14:49:58,808 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2018-12-08 14:49:58,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 14:49:58,809 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:49:58,847 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-08 14:49:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:49:58,885 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 14:49:58,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:49:58,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:49:58,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2018-12-08 14:49:58,905 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2018-12-08 14:49:58,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 14:49:58,905 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:49:58,906 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-08 14:49:58,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:49:58,942 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 14:49:58,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:49:59,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:49:59,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2018-12-08 14:49:59,141 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2018-12-08 14:49:59,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 14:49:59,142 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:49:59,142 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-08 14:49:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:49:59,181 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 14:49:59,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:50:21,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:50:21,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2018-12-08 14:50:21,403 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2018-12-08 14:50:21,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 14:50:21,403 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:50:21,404 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-08 14:50:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:50:21,966 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 14:50:21,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:50:22,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:50:22,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2018-12-08 14:50:22,084 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2018-12-08 14:50:22,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-08 14:50:22,085 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:50:22,085 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-08 14:50:22,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:50:22,113 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 14:50:22,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:50:22,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:50:22,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2018-12-08 14:50:22,116 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2018-12-08 14:50:22,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-08 14:50:22,116 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:50:22,117 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-08 14:50:22,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:50:22,688 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 14:50:22,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:50:23,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:50:23,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 18 states and 17 transitions. [2018-12-08 14:50:23,579 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2018-12-08 14:50:23,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 14:50:23,579 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 14:50:23,580 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-12-08 14:50:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 14:50:23,620 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 14:50:23,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 14:50:24,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 14:50:24,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 16 states and 15 transitions. [2018-12-08 14:50:24,204 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2018-12-08 14:50:24,204 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 14:50:24,204 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2018-12-08 14:50:24,210 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 14:50:24,322 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 14:50:24,323 INFO L583 CodeCheckObserver]: Invariant with dag size 8 [2018-12-08 14:50:24,327 INFO L583 CodeCheckObserver]: Invariant with dag size 4 [2018-12-08 14:50:24,328 INFO L583 CodeCheckObserver]: Invariant with dag size 16 [2018-12-08 14:50:24,328 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 14:50:24,328 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 14:50:24,329 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 14:50:24,329 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 14:50:24,329 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 14:50:24,329 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 14:50:24,330 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 14:50:24,330 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 14:50:24,330 INFO L583 CodeCheckObserver]: Invariant with dag size 4 [2018-12-08 14:50:24,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 02:50:24 ImpRootNode [2018-12-08 14:50:24,330 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 14:50:24,331 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 14:50:24,331 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 14:50:24,331 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 14:50:24,331 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 02:49:58" (3/4) ... [2018-12-08 14:50:24,333 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 14:50:24,339 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-12-08 14:50:24,340 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-08 14:50:24,356 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) [2018-12-08 14:50:24,381 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5ce6314c-b075-44c5-9713-cb93e035aff9/bin-2019/ukojak/witness.graphml [2018-12-08 14:50:24,381 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 14:50:24,381 INFO L168 Benchmark]: Toolchain (without parser) took 144375.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -162.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 14:50:24,382 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 14:50:24,382 INFO L168 Benchmark]: CACSL2BoogieTranslator took 209.03 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-08 14:50:24,382 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -188.0 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-12-08 14:50:24,383 INFO L168 Benchmark]: Boogie Preprocessor took 25.21 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-08 14:50:24,383 INFO L168 Benchmark]: RCFGBuilder took 118459.85 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: 59.7 MB). Peak memory consumption was 59.7 MB. Max. memory is 11.5 GB. [2018-12-08 14:50:24,383 INFO L168 Benchmark]: CodeCheck took 25562.38 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -3.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -64.1 MB). Peak memory consumption was 256.5 MB. Max. memory is 11.5 GB. [2018-12-08 14:50:24,384 INFO L168 Benchmark]: Witness Printer took 50.38 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-08 14:50:24,385 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, 37 locations, 1 error locations. SAFE Result, 25.4s OverallTime, 8 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1332 SDtfs, 598 SDslu, 404 SDs, 0 SdLazy, 2100 SolverSat, 538 SolverUnsat, 64 SolverUnknown, 0 SolverNotchecked, 104.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 693 GetRequests, 649 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 78 ConstructedInterpolants, 4 QuantifiedInterpolants, 4610 SizeOfPredicates, 31 NumberOfNonLiveVariables, 461 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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: 142]: 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: 129]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 57]: Loop Invariant [2018-12-08 14:50:24,386 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 14:50:24,386 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 14:50:24,386 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 14:50:24,386 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 14:50:24,386 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 14:50:24,386 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 14:50:24,386 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 14:50:24,386 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_atan && one_atan == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: \result == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 209.03 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 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 66.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -188.0 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.21 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 118459.85 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: 59.7 MB). Peak memory consumption was 59.7 MB. Max. memory is 11.5 GB. * CodeCheck took 25562.38 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -3.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -64.1 MB). Peak memory consumption was 256.5 MB. Max. memory is 11.5 GB. * Witness Printer took 50.38 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: 6.8 MB). Peak memory consumption was 6.8 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 - 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...