./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0490a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_035ba79f-f385-4b6b-aad0-ffc7ac225044/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_035ba79f-f385-4b6b-aad0-ffc7ac225044/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_035ba79f-f385-4b6b-aad0-ffc7ac225044/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_035ba79f-f385-4b6b-aad0-ffc7ac225044/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0490a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_035ba79f-f385-4b6b-aad0-ffc7ac225044/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_035ba79f-f385-4b6b-aad0-ffc7ac225044/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 42a5ff50ef75a9bc2b11724463e26eddfdf3a733 ................................................................................................................................................................................................................................................................ 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_035ba79f-f385-4b6b-aad0-ffc7ac225044/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_035ba79f-f385-4b6b-aad0-ffc7ac225044/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_035ba79f-f385-4b6b-aad0-ffc7ac225044/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_035ba79f-f385-4b6b-aad0-ffc7ac225044/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0490a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_035ba79f-f385-4b6b-aad0-ffc7ac225044/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_035ba79f-f385-4b6b-aad0-ffc7ac225044/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 42a5ff50ef75a9bc2b11724463e26eddfdf3a733 ...................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 11:58:03,822 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:58:03,824 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:58:03,832 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:58:03,832 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:58:03,833 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:58:03,834 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:58:03,835 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:58:03,836 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:58:03,837 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:58:03,837 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:58:03,837 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:58:03,838 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:58:03,839 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:58:03,839 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:58:03,840 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:58:03,841 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:58:03,842 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:58:03,843 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:58:03,844 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:58:03,845 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:58:03,845 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:58:03,847 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:58:03,847 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:58:03,847 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:58:03,848 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:58:03,849 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:58:03,849 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:58:03,850 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:58:03,850 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:58:03,851 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:58:03,851 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:58:03,851 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:58:03,851 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:58:03,852 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:58:03,853 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:58:03,853 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_035ba79f-f385-4b6b-aad0-ffc7ac225044/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 11:58:03,863 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:58:03,863 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:58:03,863 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:58:03,864 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 11:58:03,864 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 11:58:03,864 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 11:58:03,864 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:58:03,865 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 11:58:03,865 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 11:58:03,865 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 11:58:03,865 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:58:03,865 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:58:03,865 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:58:03,865 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:58:03,865 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 11:58:03,866 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:58:03,866 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:58:03,866 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 11:58:03,866 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 11:58:03,866 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:58:03,866 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:58:03,867 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 11:58:03,867 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:58:03,867 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:58:03,867 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:58:03,867 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 11:58:03,867 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:58:03,867 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 11:58:03,867 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_035ba79f-f385-4b6b-aad0-ffc7ac225044/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 -> 42a5ff50ef75a9bc2b11724463e26eddfdf3a733 [2018-11-10 11:58:03,891 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:58:03,900 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:58:03,902 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:58:03,904 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:58:03,904 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:58:03,904 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_035ba79f-f385-4b6b-aad0-ffc7ac225044/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_0490a_true-unreach-call.c [2018-11-10 11:58:03,949 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_035ba79f-f385-4b6b-aad0-ffc7ac225044/bin-2019/ukojak/data/f0f1ff727/ff9429d0c83d4bc48933979641c3fbb0/FLAG5961a7168 [2018-11-10 11:58:04,287 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:58:04,288 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_035ba79f-f385-4b6b-aad0-ffc7ac225044/sv-benchmarks/c/float-newlib/float_req_bl_0490a_true-unreach-call.c [2018-11-10 11:58:04,292 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_035ba79f-f385-4b6b-aad0-ffc7ac225044/bin-2019/ukojak/data/f0f1ff727/ff9429d0c83d4bc48933979641c3fbb0/FLAG5961a7168 [2018-11-10 11:58:04,301 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_035ba79f-f385-4b6b-aad0-ffc7ac225044/bin-2019/ukojak/data/f0f1ff727/ff9429d0c83d4bc48933979641c3fbb0 [2018-11-10 11:58:04,303 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:58:04,304 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 11:58:04,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:58:04,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:58:04,308 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:58:04,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:58:04" (1/1) ... [2018-11-10 11:58:04,310 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fbc8502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:04, skipping insertion in model container [2018-11-10 11:58:04,310 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:58:04" (1/1) ... [2018-11-10 11:58:04,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:58:04,333 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:58:04,463 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:58:04,467 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:58:04,499 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:58:04,515 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:58:04,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:04 WrapperNode [2018-11-10 11:58:04,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:58:04,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 11:58:04,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 11:58:04,516 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 11:58:04,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:04" (1/1) ... [2018-11-10 11:58:04,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:04" (1/1) ... [2018-11-10 11:58:04,548 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 11:58:04,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:58:04,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:58:04,548 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:58:04,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:04" (1/1) ... [2018-11-10 11:58:04,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:04" (1/1) ... [2018-11-10 11:58:04,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:04" (1/1) ... [2018-11-10 11:58:04,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:04" (1/1) ... [2018-11-10 11:58:04,608 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:04" (1/1) ... [2018-11-10 11:58:04,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:04" (1/1) ... [2018-11-10 11:58:04,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:04" (1/1) ... [2018-11-10 11:58:04,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:58:04,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:58:04,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:58:04,619 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:58:04,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_035ba79f-f385-4b6b-aad0-ffc7ac225044/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 [2018-11-10 11:58:04,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 11:58:04,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-10 11:58:04,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 11:58:04,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-10 11:58:04,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:58:04,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:58:04,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 11:58:04,668 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-10 11:58:04,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-10 11:58:04,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 11:58:05,247 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:58:05,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:58:05 BoogieIcfgContainer [2018-11-10 11:58:05,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:58:05,248 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 11:58:05,248 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 11:58:05,256 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 11:58:05,256 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:58:05" (1/1) ... [2018-11-10 11:58:05,265 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:58:05,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:58:05,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 43 states and 66 transitions. [2018-11-10 11:58:05,290 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 66 transitions. [2018-11-10 11:58:05,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 11:58:05,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:58:05,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:58:05,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:58:05,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:58:05,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 43 states and 63 transitions. [2018-11-10 11:58:05,372 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 63 transitions. [2018-11-10 11:58:05,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 11:58:05,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:58:05,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:58:05,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:58:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:58:05,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:58:05,487 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-10 11:58:05,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 11:58:05 ImpRootNode [2018-11-10 11:58:05,513 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 11:58:05,514 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 11:58:05,514 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 11:58:05,514 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 11:58:05,514 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:58:05" (3/4) ... [2018-11-10 11:58:05,517 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 11:58:05,518 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 11:58:05,518 INFO L168 Benchmark]: Toolchain (without parser) took 1215.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 960.2 MB in the beginning and 1.0 GB in the end (delta: -84.0 MB). Peak memory consumption was 59.2 MB. Max. memory is 11.5 GB. [2018-11-10 11:58:05,519 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. [2018-11-10 11:58:05,520 INFO L168 Benchmark]: CACSL2BoogieTranslator took 211.06 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 943.0 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-11-10 11:58:05,520 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.41 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 11:58:05,521 INFO L168 Benchmark]: Boogie Preprocessor took 70.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -197.0 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-11-10 11:58:05,521 INFO L168 Benchmark]: RCFGBuilder took 628.86 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: 69.6 MB). Peak memory consumption was 69.6 MB. Max. memory is 11.5 GB. [2018-11-10 11:58:05,521 INFO L168 Benchmark]: CodeCheck took 265.35 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: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2018-11-10 11:58:05,522 INFO L168 Benchmark]: Witness Printer took 4.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:58:05,524 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 2 procedures, 96 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 173]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someUnaryDOUBLEoperation at line 87, overapproximation of bitwiseAnd at line 101, overapproximation of someBinaryArithmeticFLOAToperation at line 106. Possible FailurePath: [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L84-L91] static const float one_acos = 1.0000000000e+00, pi = 3.1415925026e+00, pio2_hi_acos = 1.5707962513e+00, pio2_lo_acos = 7.5497894159e-08, pS0_acos = 1.6666667163e-01, pS1_acos = -3.2556581497e-01, pS2_acos = 2.0121252537e-01, pS3_acos = -4.0055535734e-02, pS4_acos = 7.9153501429e-04, pS5_acos = 3.4793309169e-05, qS1_acos = -2.4033949375e+00, qS2_acos = 2.0209457874e+00, qS3_acos = -6.8828397989e-01, qS4_acos = 7.7038154006e-02; [L168] float x = 1.0f / 0.0f; [L169] CALL, EXPR __ieee754_acosf(x) [L94] float z, p, q, r, w, s, c, df; [L95] __int32_t hx, ix; VAL [one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L97] FCALL ieee_float_shape_type gf_u; [L98] FCALL gf_u.value = (x) [L99] EXPR, FCALL gf_u.word [L99] (hx) = gf_u.word [L100] COND FALSE !(0) VAL [one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L101] ix = hx & 0x7fffffff VAL [one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L102] COND TRUE ix == 0x3f800000 [L103] COND TRUE hx > 0 [L104] RET return 0.0; VAL [one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L169] EXPR __ieee754_acosf(x) [L169] float res = __ieee754_acosf(x); [L172] CALL, EXPR isnan_float(res) [L13] RET return x != x; [L172] EXPR isnan_float(res) [L172] COND TRUE !isnan_float(res) [L173] __VERIFIER_error() VAL [one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] * 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 211.06 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 943.0 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.41 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 70.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -197.0 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 628.86 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: 69.6 MB). Peak memory consumption was 69.6 MB. Max. memory is 11.5 GB. * CodeCheck took 265.35 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: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Witness Printer took 4.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 11:58:06,917 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:58:06,918 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:58:06,925 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:58:06,926 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:58:06,926 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:58:06,927 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:58:06,928 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:58:06,929 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:58:06,930 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:58:06,930 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:58:06,930 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:58:06,931 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:58:06,932 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:58:06,933 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:58:06,933 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:58:06,934 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:58:06,935 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:58:06,936 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:58:06,937 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:58:06,938 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:58:06,939 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:58:06,941 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:58:06,941 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:58:06,941 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:58:06,942 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:58:06,942 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:58:06,943 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:58:06,943 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:58:06,944 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:58:06,944 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:58:06,945 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:58:06,945 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:58:06,945 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:58:06,946 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:58:06,946 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:58:06,947 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_035ba79f-f385-4b6b-aad0-ffc7ac225044/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-10 11:58:06,957 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:58:06,958 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:58:06,958 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:58:06,958 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 11:58:06,959 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 11:58:06,959 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 11:58:06,959 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:58:06,959 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 11:58:06,959 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 11:58:06,960 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:58:06,960 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:58:06,960 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:58:06,960 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:58:06,960 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 11:58:06,960 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 11:58:06,960 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 11:58:06,960 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:58:06,961 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:58:06,961 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 11:58:06,961 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 11:58:06,961 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:58:06,961 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:58:06,961 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 11:58:06,962 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:58:06,962 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:58:06,962 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:58:06,962 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-10 11:58:06,962 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 11:58:06,962 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:58:06,962 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 11:58:06,962 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 11:58:06,963 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_035ba79f-f385-4b6b-aad0-ffc7ac225044/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 -> 42a5ff50ef75a9bc2b11724463e26eddfdf3a733 [2018-11-10 11:58:06,992 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:58:07,000 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:58:07,002 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:58:07,003 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:58:07,004 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:58:07,004 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_035ba79f-f385-4b6b-aad0-ffc7ac225044/bin-2019/ukojak/../../sv-benchmarks/c/float-newlib/float_req_bl_0490a_true-unreach-call.c [2018-11-10 11:58:07,040 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_035ba79f-f385-4b6b-aad0-ffc7ac225044/bin-2019/ukojak/data/e7d4e961c/f9839f850b2c4d228a17faef9eb304a1/FLAGc8057ff74 [2018-11-10 11:58:07,402 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:58:07,403 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_035ba79f-f385-4b6b-aad0-ffc7ac225044/sv-benchmarks/c/float-newlib/float_req_bl_0490a_true-unreach-call.c [2018-11-10 11:58:07,407 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_035ba79f-f385-4b6b-aad0-ffc7ac225044/bin-2019/ukojak/data/e7d4e961c/f9839f850b2c4d228a17faef9eb304a1/FLAGc8057ff74 [2018-11-10 11:58:07,416 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_035ba79f-f385-4b6b-aad0-ffc7ac225044/bin-2019/ukojak/data/e7d4e961c/f9839f850b2c4d228a17faef9eb304a1 [2018-11-10 11:58:07,418 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:58:07,418 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 11:58:07,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:58:07,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:58:07,422 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:58:07,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:58:07" (1/1) ... [2018-11-10 11:58:07,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@405a00e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:07, skipping insertion in model container [2018-11-10 11:58:07,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:58:07" (1/1) ... [2018-11-10 11:58:07,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:58:07,451 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:58:07,599 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:58:07,604 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:58:07,641 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:58:07,663 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:58:07,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:07 WrapperNode [2018-11-10 11:58:07,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:58:07,664 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 11:58:07,664 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 11:58:07,664 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 11:58:07,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:07" (1/1) ... [2018-11-10 11:58:07,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:07" (1/1) ... [2018-11-10 11:58:07,703 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 11:58:07,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:58:07,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:58:07,704 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:58:07,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:07" (1/1) ... [2018-11-10 11:58:07,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:07" (1/1) ... [2018-11-10 11:58:07,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:07" (1/1) ... [2018-11-10 11:58:07,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:07" (1/1) ... [2018-11-10 11:58:07,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:07" (1/1) ... [2018-11-10 11:58:07,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:07" (1/1) ... [2018-11-10 11:58:07,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:07" (1/1) ... [2018-11-10 11:58:07,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:58:07,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:58:07,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:58:07,736 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:58:07,737 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:58:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_035ba79f-f385-4b6b-aad0-ffc7ac225044/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 [2018-11-10 11:58:07,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-10 11:58:07,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 11:58:07,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-10 11:58:07,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:58:07,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:58:07,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-10 11:58:07,826 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-10 11:58:07,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-10 11:58:07,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 11:58:07,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-10 11:58:07,939 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 11:58:07,951 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 11:58:33,699 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 11:58:33,703 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 11:58:44,518 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 11:58:44,524 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 11:59:26,258 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:59:26,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:59:26 BoogieIcfgContainer [2018-11-10 11:59:26,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:59:26,259 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 11:59:26,259 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 11:59:26,266 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 11:59:26,266 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:59:26" (1/1) ... [2018-11-10 11:59:26,274 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:59:26,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:59:26,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 43 states and 66 transitions. [2018-11-10 11:59:26,297 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 66 transitions. [2018-11-10 11:59:26,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 11:59:26,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:59:26,333 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 11:59:26,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:59:26,362 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:59:26,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:59:26,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:59:26,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 43 states and 63 transitions. [2018-11-10 11:59:26,385 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 63 transitions. [2018-11-10 11:59:26,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 11:59:26,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:59:26,387 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 11:59:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:59:26,418 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:59:26,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:59:26,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:59:26,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 43 states and 62 transitions. [2018-11-10 11:59:26,614 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 62 transitions. [2018-11-10 11:59:26,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 11:59:26,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:59:26,615 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 11:59:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:59:27,109 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:59:27,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:00:23,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:23,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2018-11-10 12:00:23,838 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2018-11-10 12:00:23,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 12:00:23,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:00:23,839 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-10 12:00:23,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:00:23,857 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 12:00:23,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:00:24,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:00:24,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 10 states and 9 transitions. [2018-11-10 12:00:24,630 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2018-11-10 12:00:24,630 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 12:00:24,630 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2018-11-10 12:00:24,637 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 12:00:24,671 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:00:24,673 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-11-10 12:00:24,677 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,678 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,680 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,680 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,681 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-11-10 12:00:24,681 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,682 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,682 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,682 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,682 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,683 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,683 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,683 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,683 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,683 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,684 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,684 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,685 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,685 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,685 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,685 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,686 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,686 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,688 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,688 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,689 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,689 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 12:00:24 ImpRootNode [2018-11-10 12:00:24,690 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 12:00:24,690 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:00:24,690 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:00:24,690 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:00:24,691 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:59:26" (3/4) ... [2018-11-10 12:00:24,695 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 12:00:24,700 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-11-10 12:00:24,705 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2018-11-10 12:00:24,705 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-10 12:00:24,705 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-10 12:00:24,706 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 12:00:24,725 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ~fp.div~FLOAT(RoundingMode_RNE, ~fp.sub~FLOAT(RoundingMode_RNE, ~fp.div~FLOAT(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(RoundingMode_RNE, ~fp.div~FLOAT(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0), ~Pluszero~LONGDOUBLE()))) == \result [2018-11-10 12:00:24,762 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_035ba79f-f385-4b6b-aad0-ffc7ac225044/bin-2019/ukojak/witness.graphml [2018-11-10 12:00:24,763 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:00:24,763 INFO L168 Benchmark]: Toolchain (without parser) took 137345.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 182.5 MB). Free memory was 949.2 MB in the beginning and 998.1 MB in the end (delta: -48.9 MB). Peak memory consumption was 133.6 MB. Max. memory is 11.5 GB. [2018-11-10 12:00:24,765 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:00:24,765 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.24 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 933.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 12:00:24,765 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.71 ms. Allocated memory is still 1.0 GB. Free memory was 933.1 MB in the beginning and 927.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:00:24,765 INFO L168 Benchmark]: Boogie Preprocessor took 31.62 ms. Allocated memory is still 1.0 GB. Free memory is still 927.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:00:24,766 INFO L168 Benchmark]: RCFGBuilder took 78522.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 182.5 MB). Free memory was 927.7 MB in the beginning and 1.1 GB in the end (delta: -169.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2018-11-10 12:00:24,766 INFO L168 Benchmark]: CodeCheck took 58431.10 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: 92.4 MB). Peak memory consumption was 92.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:00:24,766 INFO L168 Benchmark]: Witness Printer took 72.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 998.1 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:00:24,768 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 2 procedures, 96 locations, 1 error locations. SAFE Result, 58.3s OverallTime, 5 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 138 SDtfs, 48 SDslu, 32 SDs, 0 SdLazy, 226 SolverSat, 62 SolverUnsat, 16 SolverUnknown, 0 SolverNotchecked, 105.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 275 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 30 ConstructedInterpolants, 3 QuantifiedInterpolants, 1818 SizeOfPredicates, 18 NumberOfNonLiveVariables, 164 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 173]: 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: 162]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 96]: Loop Invariant [2018-11-10 12:00:24,769 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,769 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,770 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,770 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: x == ~fp.div~FLOAT(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 93]: Loop Invariant [2018-11-10 12:00:24,770 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,770 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,770 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,771 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,771 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,771 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,772 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,772 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,772 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,772 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,772 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,773 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,773 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,773 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,773 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,773 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,774 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,774 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,774 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,774 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,774 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 12:00:24,774 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: ~fp.div~FLOAT(RoundingMode_RNE, ~fp.sub~FLOAT(RoundingMode_RNE, ~fp.div~FLOAT(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(RoundingMode_RNE, ~fp.div~FLOAT(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0), ~Pluszero~LONGDOUBLE()))) == \result * 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 244.24 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 933.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.71 ms. Allocated memory is still 1.0 GB. Free memory was 933.1 MB in the beginning and 927.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.62 ms. Allocated memory is still 1.0 GB. Free memory is still 927.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 78522.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 182.5 MB). Free memory was 927.7 MB in the beginning and 1.1 GB in the end (delta: -169.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * CodeCheck took 58431.10 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: 92.4 MB). Peak memory consumption was 92.4 MB. Max. memory is 11.5 GB. * Witness Printer took 72.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 998.1 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 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 RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE RESULT: Ultimate proved your program to be correct! Received shutdown request...