./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-to-double2_true-unreach-call_true-termination.i --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_8ba1eac8-64a2-4987-b421-669439606a56/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8ba1eac8-64a2-4987-b421-669439606a56/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8ba1eac8-64a2-4987-b421-669439606a56/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8ba1eac8-64a2-4987-b421-669439606a56/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-to-double2_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8ba1eac8-64a2-4987-b421-669439606a56/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8ba1eac8-64a2-4987-b421-669439606a56/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 b4f17a4b481a4a7bc11b766c6bcdfce67786d9c2 ............................................................................................................................................................................................................................................................................................... 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_8ba1eac8-64a2-4987-b421-669439606a56/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8ba1eac8-64a2-4987-b421-669439606a56/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8ba1eac8-64a2-4987-b421-669439606a56/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8ba1eac8-64a2-4987-b421-669439606a56/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-to-double2_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8ba1eac8-64a2-4987-b421-669439606a56/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8ba1eac8-64a2-4987-b421-669439606a56/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 b4f17a4b481a4a7bc11b766c6bcdfce67786d9c2 ................................................................................................................................................................................................................. 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 00:56:19,763 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:56:19,764 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:56:19,770 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:56:19,770 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:56:19,771 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:56:19,771 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:56:19,772 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:56:19,773 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:56:19,773 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:56:19,774 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:56:19,774 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:56:19,775 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:56:19,775 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:56:19,776 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:56:19,777 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:56:19,777 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:56:19,778 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:56:19,780 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:56:19,780 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:56:19,781 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:56:19,782 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:56:19,784 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:56:19,784 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:56:19,784 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:56:19,784 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:56:19,785 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:56:19,785 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:56:19,786 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:56:19,786 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:56:19,787 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:56:19,787 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:56:19,787 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:56:19,787 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:56:19,788 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:56:19,789 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:56:19,789 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8ba1eac8-64a2-4987-b421-669439606a56/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 00:56:19,796 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:56:19,796 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:56:19,797 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 00:56:19,797 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 00:56:19,797 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 00:56:19,797 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 00:56:19,798 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:56:19,798 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 00:56:19,798 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 00:56:19,798 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 00:56:19,798 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:56:19,798 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 00:56:19,798 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 00:56:19,798 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 00:56:19,798 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 00:56:19,798 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:56:19,799 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:56:19,799 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 00:56:19,799 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 00:56:19,799 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 00:56:19,799 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:56:19,799 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 00:56:19,799 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 00:56:19,800 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:56:19,800 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 00:56:19,800 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 00:56:19,800 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 00:56:19,800 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 00:56:19,800 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 00:56:19,800 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_8ba1eac8-64a2-4987-b421-669439606a56/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 -> b4f17a4b481a4a7bc11b766c6bcdfce67786d9c2 [2018-11-23 00:56:19,824 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:56:19,833 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:56:19,835 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:56:19,837 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:56:19,837 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:56:19,837 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8ba1eac8-64a2-4987-b421-669439606a56/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float-to-double2_true-unreach-call_true-termination.i [2018-11-23 00:56:19,881 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8ba1eac8-64a2-4987-b421-669439606a56/bin-2019/ukojak/data/7078c4113/a64285c7eed244ceaffc8f9393d0a672/FLAG010db3696 [2018-11-23 00:56:20,206 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:56:20,207 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8ba1eac8-64a2-4987-b421-669439606a56/sv-benchmarks/c/floats-cbmc-regression/float-to-double2_true-unreach-call_true-termination.i [2018-11-23 00:56:20,211 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8ba1eac8-64a2-4987-b421-669439606a56/bin-2019/ukojak/data/7078c4113/a64285c7eed244ceaffc8f9393d0a672/FLAG010db3696 [2018-11-23 00:56:20,638 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8ba1eac8-64a2-4987-b421-669439606a56/bin-2019/ukojak/data/7078c4113/a64285c7eed244ceaffc8f9393d0a672 [2018-11-23 00:56:20,640 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:56:20,641 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:56:20,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:56:20,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:56:20,643 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:56:20,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:56:20" (1/1) ... [2018-11-23 00:56:20,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3436f9d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:20, skipping insertion in model container [2018-11-23 00:56:20,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:56:20" (1/1) ... [2018-11-23 00:56:20,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:56:20,663 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:56:20,764 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:56:20,766 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:56:20,779 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:56:20,787 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:56:20,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:20 WrapperNode [2018-11-23 00:56:20,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:56:20,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:56:20,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:56:20,788 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:56:20,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:20" (1/1) ... [2018-11-23 00:56:20,795 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:20" (1/1) ... [2018-11-23 00:56:20,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:56:20,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:56:20,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:56:20,805 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:56:20,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:20" (1/1) ... [2018-11-23 00:56:20,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:20" (1/1) ... [2018-11-23 00:56:20,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:20" (1/1) ... [2018-11-23 00:56:20,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:20" (1/1) ... [2018-11-23 00:56:20,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:20" (1/1) ... [2018-11-23 00:56:20,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:20" (1/1) ... [2018-11-23 00:56:20,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:20" (1/1) ... [2018-11-23 00:56:20,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:56:20,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:56:20,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:56:20,814 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:56:20,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8ba1eac8-64a2-4987-b421-669439606a56/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 00:56:20,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:56:20,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:56:20,953 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:56:20,953 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-23 00:56:20,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:56:20 BoogieIcfgContainer [2018-11-23 00:56:20,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:56:20,954 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 00:56:20,954 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 00:56:20,962 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 00:56:20,962 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:56:20" (1/1) ... [2018-11-23 00:56:20,969 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:56:20,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:56:20,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-23 00:56:20,990 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-23 00:56:20,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-23 00:56:20,991 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:56:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:56:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:56:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:56:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:56:21,055 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] havoc main_#res;havoc main_~f~0, main_~d~0, main_~fp~0;main_~f~0 := ~someUnaryFLOAToperation(5.8774717541114375E-39);main_~d~0 := ~someUnaryDOUBLEoperation(5.8774717541114375E-39);main_~fp~0 := main_~f~0; VAL [ULTIMATE.start_main_~fp~0=0.0, ULTIMATE.start_main_~f~0=0.0] [?] assume !~someBinaryDOUBLEComparisonOperation(main_~d~0, main_~fp~0); VAL [ULTIMATE.start_main_~fp~0=0.0, ULTIMATE.start_main_~f~0=0.0] [?] assume !false; VAL [ULTIMATE.start_main_~fp~0=0.0, ULTIMATE.start_main_~f~0=0.0] [?] havoc main_#res; [?] havoc main_~f~0, main_~d~0, main_~fp~0; [L5] main_~f~0 := ~someUnaryFLOAToperation(5.8774717541114375E-39); [L6] main_~d~0 := ~someUnaryDOUBLEoperation(5.8774717541114375E-39); [L7] main_~fp~0 := main_~f~0; VAL [main_~fp~0=0.0, main_~f~0=0.0] [L9] assume !~someBinaryDOUBLEComparisonOperation(main_~d~0, main_~fp~0); VAL [main_~fp~0=0.0, main_~f~0=0.0] [L9] assert false; VAL [main_~fp~0=0.0, main_~f~0=0.0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_~f~0, main_~d~0, main_~fp~0; [L5] main_~f~0 := ~someUnaryFLOAToperation(5.8774717541114375E-39); [L6] main_~d~0 := ~someUnaryDOUBLEoperation(5.8774717541114375E-39); [L7] main_~fp~0 := main_~f~0; VAL [main_~fp~0=0.0, main_~f~0=0.0] [L9] assume !~someBinaryDOUBLEComparisonOperation(main_~d~0, main_~fp~0); VAL [main_~fp~0=0.0, main_~f~0=0.0] [L9] assert false; VAL [main_~fp~0=0.0, main_~f~0=0.0] [?] havoc main_#res; [?] havoc main_~f~0, main_~d~0, main_~fp~0; [L5] main_~f~0 := ~someUnaryFLOAToperation(5.8774717541114375E-39); [L6] main_~d~0 := ~someUnaryDOUBLEoperation(5.8774717541114375E-39); [L7] main_~fp~0 := main_~f~0; VAL [main_~fp~0=0.0, main_~f~0=0.0] [L9] COND TRUE !~someBinaryDOUBLEComparisonOperation(main_~d~0, main_~fp~0) VAL [main_~fp~0=0.0, main_~f~0=0.0] [L9] assert false; VAL [main_~fp~0=0.0, main_~f~0=0.0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] havoc main_#res; [?] havoc main_~f~0, main_~d~0, main_~fp~0; [L5] main_~f~0 := ~someUnaryFLOAToperation(5.8774717541114375E-39); [L6] main_~d~0 := ~someUnaryDOUBLEoperation(5.8774717541114375E-39); [L7] main_~fp~0 := main_~f~0; VAL [main_~fp~0=0.0, main_~f~0=0.0] [L9] COND TRUE !~someBinaryDOUBLEComparisonOperation(main_~d~0, main_~fp~0) VAL [main_~fp~0=0.0, main_~f~0=0.0] [L9] assert false; VAL [main_~fp~0=0.0, main_~f~0=0.0] [L5] ~f~0 := ~someUnaryFLOAToperation(5.8774717541114375E-39); [L6] ~d~0 := ~someUnaryDOUBLEoperation(5.8774717541114375E-39); [L7] ~fp~0 := ~f~0; [L9] COND TRUE !~someBinaryDOUBLEComparisonOperation(~d~0, ~fp~0) [L9] assert false; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L5] ~f~0 := ~someUnaryFLOAToperation(5.8774717541114375E-39); [L6] ~d~0 := ~someUnaryDOUBLEoperation(5.8774717541114375E-39); [L7] ~fp~0 := ~f~0; [L9] COND TRUE !~someBinaryDOUBLEComparisonOperation(~d~0, ~fp~0) [L9] assert false; [L5] float f = -0x1.0p-127f; [L6] double d = -0x1.0p-127; [L7] double fp = (double)f; [L9] COND TRUE !(d == fp) [L9] __VERIFIER_error() ----- [2018-11-23 00:56:21,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:56:21 ImpRootNode [2018-11-23 00:56:21,072 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 00:56:21,072 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 00:56:21,072 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 00:56:21,072 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 00:56:21,073 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:56:20" (3/4) ... [2018-11-23 00:56:21,076 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 00:56:21,076 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 00:56:21,077 INFO L168 Benchmark]: Toolchain (without parser) took 436.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -153.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:56:21,078 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:56:21,079 INFO L168 Benchmark]: CACSL2BoogieTranslator took 146.14 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 00:56:21,079 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.15 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 00:56:21,080 INFO L168 Benchmark]: Boogie Preprocessor took 9.34 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:56:21,080 INFO L168 Benchmark]: RCFGBuilder took 139.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -178.0 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-11-23 00:56:21,081 INFO L168 Benchmark]: CodeCheck took 118.13 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-23 00:56:21,081 INFO L168 Benchmark]: Witness Printer took 4.16 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 00:56:21,086 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, 8 locations, 1 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 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, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 9]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 9, overapproximation of someUnaryDOUBLEoperation at line 6, overapproximation of someUnaryFLOAToperation at line 5. Possible FailurePath: [L5] float f = -0x1.0p-127f; [L6] double d = -0x1.0p-127; [L7] double fp = (double)f; [L9] COND TRUE !(d == fp) [L9] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 146.14 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.15 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 9.34 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 139.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -178.0 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * CodeCheck took 118.13 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Witness Printer took 4.16 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. 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 00:56:22,474 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:56:22,475 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:56:22,483 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:56:22,484 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:56:22,484 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:56:22,485 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:56:22,486 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:56:22,487 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:56:22,488 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:56:22,489 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:56:22,489 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:56:22,490 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:56:22,490 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:56:22,491 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:56:22,492 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:56:22,492 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:56:22,493 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:56:22,494 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:56:22,495 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:56:22,496 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:56:22,497 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:56:22,498 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:56:22,499 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:56:22,499 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:56:22,499 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:56:22,500 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:56:22,501 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:56:22,501 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:56:22,502 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:56:22,502 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:56:22,502 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:56:22,502 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:56:22,503 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:56:22,503 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:56:22,504 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:56:22,504 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8ba1eac8-64a2-4987-b421-669439606a56/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-23 00:56:22,514 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:56:22,514 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:56:22,515 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 00:56:22,515 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 00:56:22,515 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 00:56:22,515 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 00:56:22,515 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:56:22,516 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 00:56:22,516 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 00:56:22,516 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:56:22,516 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 00:56:22,516 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 00:56:22,516 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 00:56:22,516 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 00:56:22,517 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 00:56:22,517 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 00:56:22,517 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:56:22,517 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:56:22,517 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 00:56:22,517 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 00:56:22,517 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 00:56:22,518 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:56:22,518 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 00:56:22,518 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 00:56:22,518 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:56:22,518 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 00:56:22,518 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 00:56:22,518 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-23 00:56:22,518 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 00:56:22,519 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 00:56:22,519 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 00:56:22,519 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 00:56:22,519 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_8ba1eac8-64a2-4987-b421-669439606a56/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 -> b4f17a4b481a4a7bc11b766c6bcdfce67786d9c2 [2018-11-23 00:56:22,549 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:56:22,557 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:56:22,559 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:56:22,560 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:56:22,560 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:56:22,561 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8ba1eac8-64a2-4987-b421-669439606a56/bin-2019/ukojak/../../sv-benchmarks/c/floats-cbmc-regression/float-to-double2_true-unreach-call_true-termination.i [2018-11-23 00:56:22,595 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8ba1eac8-64a2-4987-b421-669439606a56/bin-2019/ukojak/data/91b9586bf/1b988eae59dd414490930fbdcb0cef98/FLAGaed8c6e52 [2018-11-23 00:56:22,994 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:56:22,994 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8ba1eac8-64a2-4987-b421-669439606a56/sv-benchmarks/c/floats-cbmc-regression/float-to-double2_true-unreach-call_true-termination.i [2018-11-23 00:56:22,998 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8ba1eac8-64a2-4987-b421-669439606a56/bin-2019/ukojak/data/91b9586bf/1b988eae59dd414490930fbdcb0cef98/FLAGaed8c6e52 [2018-11-23 00:56:23,006 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8ba1eac8-64a2-4987-b421-669439606a56/bin-2019/ukojak/data/91b9586bf/1b988eae59dd414490930fbdcb0cef98 [2018-11-23 00:56:23,008 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:56:23,010 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:56:23,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:56:23,011 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:56:23,014 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:56:23,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:56:23" (1/1) ... [2018-11-23 00:56:23,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ac99b30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:23, skipping insertion in model container [2018-11-23 00:56:23,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:56:23" (1/1) ... [2018-11-23 00:56:23,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:56:23,033 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:56:23,146 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:56:23,151 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:56:23,163 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:56:23,173 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:56:23,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:23 WrapperNode [2018-11-23 00:56:23,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:56:23,174 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:56:23,174 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:56:23,174 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:56:23,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:23" (1/1) ... [2018-11-23 00:56:23,186 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:23" (1/1) ... [2018-11-23 00:56:23,200 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:56:23,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:56:23,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:56:23,201 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:56:23,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:23" (1/1) ... [2018-11-23 00:56:23,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:23" (1/1) ... [2018-11-23 00:56:23,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:23" (1/1) ... [2018-11-23 00:56:23,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:23" (1/1) ... [2018-11-23 00:56:23,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:23" (1/1) ... [2018-11-23 00:56:23,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:23" (1/1) ... [2018-11-23 00:56:23,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:23" (1/1) ... [2018-11-23 00:56:23,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:56:23,216 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:56:23,216 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:56:23,216 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:56:23,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8ba1eac8-64a2-4987-b421-669439606a56/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 00:56:23,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:56:23,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:56:23,393 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:56:23,394 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-23 00:56:23,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:56:23 BoogieIcfgContainer [2018-11-23 00:56:23,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:56:23,394 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 00:56:23,395 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 00:56:23,401 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 00:56:23,401 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:56:23" (1/1) ... [2018-11-23 00:56:23,408 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:56:23,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:56:23,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-23 00:56:23,430 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-23 00:56:23,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-23 00:56:23,431 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 00:56:23,465 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-23 00:56:23,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:56:23,519 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:56:23,554 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 00:56:23,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 00:56:23,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2018-11-23 00:56:23,674 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2018-11-23 00:56:23,674 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 00:56:23,674 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2018-11-23 00:56:23,682 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 00:56:23,705 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 00:56:23,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:56:23 ImpRootNode [2018-11-23 00:56:23,707 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 00:56:23,707 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 00:56:23,707 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 00:56:23,708 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 00:56:23,708 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:56:23" (3/4) ... [2018-11-23 00:56:23,710 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 00:56:23,718 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 00:56:23,718 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 00:56:23,718 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 00:56:23,744 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8ba1eac8-64a2-4987-b421-669439606a56/bin-2019/ukojak/witness.graphml [2018-11-23 00:56:23,744 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 00:56:23,745 INFO L168 Benchmark]: Toolchain (without parser) took 736.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.9 MB). Free memory was 949.2 MB in the beginning and 1.1 GB in the end (delta: -190.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:56:23,746 INFO L168 Benchmark]: CDTParser took 0.12 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 00:56:23,747 INFO L168 Benchmark]: CACSL2BoogieTranslator took 163.57 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 938.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 00:56:23,747 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.28 ms. Allocated memory is still 1.0 GB. Free memory was 938.5 MB in the beginning and 933.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 00:56:23,748 INFO L168 Benchmark]: Boogie Preprocessor took 14.88 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:56:23,748 INFO L168 Benchmark]: RCFGBuilder took 178.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.9 MB). Free memory was 933.1 MB in the beginning and 1.2 GB in the end (delta: -225.7 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2018-11-23 00:56:23,748 INFO L168 Benchmark]: CodeCheck took 312.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2018-11-23 00:56:23,749 INFO L168 Benchmark]: Witness Printer took 37.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:56:23,751 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, 8 locations, 1 error locations. SAFE Result, 0.2s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 2 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, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 32 SizeOfPredicates, 3 NumberOfNonLiveVariables, 7 ConjunctsInSsa, 4 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 - PositiveResult [Line: 9]: 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: 9]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 163.57 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 938.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.28 ms. Allocated memory is still 1.0 GB. Free memory was 938.5 MB in the beginning and 933.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.88 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 178.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.9 MB). Free memory was 933.1 MB in the beginning and 1.2 GB in the end (delta: -225.7 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * CodeCheck took 312.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. * Witness Printer took 37.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...