./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/sqrt_Householder_interval_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cf3f766c-2212-4d77-84b7-0ad1000ee65a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cf3f766c-2212-4d77-84b7-0ad1000ee65a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cf3f766c-2212-4d77-84b7-0ad1000ee65a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cf3f766c-2212-4d77-84b7-0ad1000ee65a/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Householder_interval_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cf3f766c-2212-4d77-84b7-0ad1000ee65a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cf3f766c-2212-4d77-84b7-0ad1000ee65a/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 044666208476da4ad4fcec9a18fadf3bde3ce58f ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_cf3f766c-2212-4d77-84b7-0ad1000ee65a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cf3f766c-2212-4d77-84b7-0ad1000ee65a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cf3f766c-2212-4d77-84b7-0ad1000ee65a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cf3f766c-2212-4d77-84b7-0ad1000ee65a/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Householder_interval_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cf3f766c-2212-4d77-84b7-0ad1000ee65a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cf3f766c-2212-4d77-84b7-0ad1000ee65a/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 044666208476da4ad4fcec9a18fadf3bde3ce58f ............................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 15:42:19,068 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:42:19,069 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:42:19,076 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:42:19,076 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:42:19,076 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:42:19,077 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:42:19,078 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:42:19,079 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:42:19,080 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:42:19,080 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:42:19,081 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:42:19,081 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:42:19,082 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:42:19,083 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:42:19,083 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:42:19,083 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:42:19,085 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:42:19,086 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:42:19,086 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:42:19,087 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:42:19,088 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:42:19,089 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:42:19,090 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:42:19,090 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:42:19,090 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:42:19,091 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:42:19,091 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:42:19,092 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:42:19,092 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:42:19,093 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:42:19,093 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:42:19,093 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:42:19,093 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:42:19,094 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:42:19,094 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:42:19,095 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cf3f766c-2212-4d77-84b7-0ad1000ee65a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 15:42:19,105 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:42:19,105 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:42:19,105 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:42:19,106 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 15:42:19,106 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 15:42:19,106 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 15:42:19,106 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:42:19,106 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:42:19,107 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:42:19,107 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:42:19,107 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:42:19,107 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:42:19,107 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:42:19,107 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:42:19,107 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:42:19,107 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:42:19,108 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:42:19,108 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:42:19,108 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 15:42:19,108 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 15:42:19,108 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:42:19,108 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:42:19,108 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 15:42:19,109 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:42:19,109 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:42:19,109 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:42:19,109 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 15:42:19,109 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:42:19,109 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 15:42:19,109 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_cf3f766c-2212-4d77-84b7-0ad1000ee65a/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 -> 044666208476da4ad4fcec9a18fadf3bde3ce58f [2018-11-23 15:42:19,132 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:42:19,141 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:42:19,143 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:42:19,144 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:42:19,145 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:42:19,145 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cf3f766c-2212-4d77-84b7-0ad1000ee65a/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/sqrt_Householder_interval_true-unreach-call.c [2018-11-23 15:42:19,186 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cf3f766c-2212-4d77-84b7-0ad1000ee65a/bin-2019/ukojak/data/49a77286e/fd90ef4993a04a0cbba6aeebdcd2797f/FLAG0cf277dd6 [2018-11-23 15:42:19,582 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:42:19,583 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cf3f766c-2212-4d77-84b7-0ad1000ee65a/sv-benchmarks/c/float-benchs/sqrt_Householder_interval_true-unreach-call.c [2018-11-23 15:42:19,587 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cf3f766c-2212-4d77-84b7-0ad1000ee65a/bin-2019/ukojak/data/49a77286e/fd90ef4993a04a0cbba6aeebdcd2797f/FLAG0cf277dd6 [2018-11-23 15:42:19,597 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cf3f766c-2212-4d77-84b7-0ad1000ee65a/bin-2019/ukojak/data/49a77286e/fd90ef4993a04a0cbba6aeebdcd2797f [2018-11-23 15:42:19,599 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:42:19,600 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:42:19,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:42:19,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:42:19,603 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:42:19,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:19" (1/1) ... [2018-11-23 15:42:19,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20235248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:19, skipping insertion in model container [2018-11-23 15:42:19,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:19" (1/1) ... [2018-11-23 15:42:19,611 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:42:19,623 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:42:19,733 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:42:19,736 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:42:19,748 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:42:19,755 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:42:19,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:19 WrapperNode [2018-11-23 15:42:19,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:42:19,756 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:42:19,756 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:42:19,756 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:42:19,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:19" (1/1) ... [2018-11-23 15:42:19,764 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:19" (1/1) ... [2018-11-23 15:42:19,775 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:42:19,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:42:19,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:42:19,776 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:42:19,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:19" (1/1) ... [2018-11-23 15:42:19,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:19" (1/1) ... [2018-11-23 15:42:19,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:19" (1/1) ... [2018-11-23 15:42:19,816 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:19" (1/1) ... [2018-11-23 15:42:19,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:19" (1/1) ... [2018-11-23 15:42:19,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:19" (1/1) ... [2018-11-23 15:42:19,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:19" (1/1) ... [2018-11-23 15:42:19,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:42:19,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:42:19,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:42:19,825 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:42:19,825 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cf3f766c-2212-4d77-84b7-0ad1000ee65a/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 15:42:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:42:19,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:42:20,018 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:42:20,018 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-11-23 15:42:20,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:42:20 BoogieIcfgContainer [2018-11-23 15:42:20,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:42:20,019 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 15:42:20,019 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 15:42:20,025 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 15:42:20,025 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:42:20" (1/1) ... [2018-11-23 15:42:20,033 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:42:20,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:42:20,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-11-23 15:42:20,057 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-11-23 15:42:20,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-23 15:42:20,058 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:42:20,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:42:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:42:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:42:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:42:20,149 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] ~_EPS~0 := 1.0E-6;havoc main_#res;havoc main_#t~nondet1, main_#t~ret2, main_~d~0, main_~r~0;havoc main_~d~0;havoc main_~r~0;main_~d~0 := main_#t~nondet1;havoc main_#t~nondet1;assume 0 != (if ~someBinaryDOUBLEComparisonOperation(main_~d~0, 0.1) && ~someBinaryDOUBLEComparisonOperation(main_~d~0, 20.0) then 1 else 0);SqrtR_#in~Input := main_~d~0;havoc SqrtR_#res;havoc SqrtR_#t~post0, SqrtR_~Input, SqrtR_~xn~0, SqrtR_~xnp1~0, SqrtR_~residu~0, SqrtR_~lsup~0, SqrtR_~linf~0, SqrtR_~i~0, SqrtR_~cond~0;SqrtR_~Input := SqrtR_#in~Input;havoc SqrtR_~xn~0;havoc SqrtR_~xnp1~0;havoc SqrtR_~residu~0;havoc SqrtR_~lsup~0;havoc SqrtR_~linf~0;havoc SqrtR_~i~0;havoc SqrtR_~cond~0;BeginParallelComposition{ParallelCodeBlock0: assume ~someBinaryDOUBLEComparisonOperation(SqrtR_~Input, 1.0);SqrtR_~xn~0 := 1.0;ParallelCodeBlock1: assume !~someBinaryDOUBLEComparisonOperation(SqrtR_~Input, 1.0);SqrtR_~xn~0 := ~someBinaryArithmeticDOUBLEoperation(1.0, SqrtR_~Input);}EndParallelCompositionSqrtR_~xnp1~0 := SqrtR_~xn~0;SqrtR_~residu~0 := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(2.0, ~_EPS~0), ~someBinaryArithmeticDOUBLEoperation(SqrtR_~xn~0, SqrtR_~xnp1~0));SqrtR_~lsup~0 := ~someBinaryArithmeticDOUBLEoperation(~_EPS~0, ~someBinaryArithmeticDOUBLEoperation(SqrtR_~xn~0, SqrtR_~xnp1~0));SqrtR_~linf~0 := ~someUnaryDOUBLEoperation(SqrtR_~lsup~0);SqrtR_~cond~0 := (if ~someBinaryDOUBLEComparisonOperation(SqrtR_~residu~0, SqrtR_~lsup~0) || ~someBinaryDOUBLEComparisonOperation(SqrtR_~residu~0, SqrtR_~linf~0) then 1 else 0);SqrtR_~i~0 := 0; VAL [ULTIMATE.start_main_~d~0=0.0, ULTIMATE.start_SqrtR_~cond~0=0, ULTIMATE.start_SqrtR_~Input=0.0, ULTIMATE.start_SqrtR_~i~0=0, ULTIMATE.start_SqrtR_~xnp1~0=1.0, ULTIMATE.start_SqrtR_~xn~0=1.0, |ULTIMATE.start_SqrtR_#in~Input|=0.0, ~_EPS~0=(/ 1.0 1000000.0)] [?] BeginParallelComposition{ParallelCodeBlock0: assume !true;ParallelCodeBlock1: assume !(0 != SqrtR_~cond~0);}EndParallelCompositionSqrtR_#res := ~someBinaryArithmeticDOUBLEoperation(1.0, SqrtR_~xnp1~0);main_#t~ret2 := SqrtR_#res;main_~r~0 := main_#t~ret2;havoc main_#t~ret2;__VERIFIER_assert_#in~cond := (if ~someBinaryDOUBLEComparisonOperation(main_~r~0, 0.3) && ~someBinaryDOUBLEComparisonOperation(main_~r~0, 5.0) then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [ULTIMATE.start___VERIFIER_assert_~cond=0, ULTIMATE.start_main_~d~0=0.0, ULTIMATE.start_main_~r~0=2.0, ULTIMATE.start_SqrtR_~cond~0=0, ULTIMATE.start_SqrtR_~Input=0.0, ULTIMATE.start_SqrtR_~i~0=0, ULTIMATE.start_SqrtR_~xnp1~0=1.0, ULTIMATE.start_SqrtR_~xn~0=1.0, |ULTIMATE.start___VERIFIER_assert_#in~cond|=0, |ULTIMATE.start_SqrtR_#in~Input|=0.0, |ULTIMATE.start_SqrtR_#res|=2.0, ~_EPS~0=(/ 1.0 1000000.0)] [?] assume 0 == __VERIFIER_assert_~cond; VAL [ULTIMATE.start___VERIFIER_assert_~cond=0, ULTIMATE.start_main_~d~0=0.0, ULTIMATE.start_main_~r~0=2.0, ULTIMATE.start_SqrtR_~cond~0=0, ULTIMATE.start_SqrtR_~Input=0.0, ULTIMATE.start_SqrtR_~i~0=0, ULTIMATE.start_SqrtR_~xnp1~0=1.0, ULTIMATE.start_SqrtR_~xn~0=1.0, |ULTIMATE.start___VERIFIER_assert_#in~cond|=0, |ULTIMATE.start_SqrtR_#in~Input|=0.0, |ULTIMATE.start_SqrtR_#res|=2.0, ~_EPS~0=(/ 1.0 1000000.0)] [?] assume !false; VAL [ULTIMATE.start___VERIFIER_assert_~cond=0, ULTIMATE.start_main_~d~0=0.0, ULTIMATE.start_main_~r~0=2.0, ULTIMATE.start_SqrtR_~cond~0=0, ULTIMATE.start_SqrtR_~Input=0.0, ULTIMATE.start_SqrtR_~i~0=0, ULTIMATE.start_SqrtR_~xnp1~0=1.0, ULTIMATE.start_SqrtR_~xn~0=1.0, |ULTIMATE.start___VERIFIER_assert_#in~cond|=0, |ULTIMATE.start_SqrtR_#in~Input|=0.0, |ULTIMATE.start_SqrtR_#res|=2.0, ~_EPS~0=(/ 1.0 1000000.0)] [L17] ~_EPS~0 := 1.0E-6; [?] havoc main_#res; [?] havoc main_#t~nondet1, main_#t~ret2, main_~d~0, main_~r~0; [L44] havoc main_~d~0; [L44] havoc main_~r~0; [L46] main_~d~0 := main_#t~nondet1; [L46] havoc main_#t~nondet1; [L47] assume 0 != (if ~someBinaryDOUBLEComparisonOperation(main_~d~0, 0.1) && ~someBinaryDOUBLEComparisonOperation(main_~d~0, 20.0) then 1 else 0); [L49] SqrtR_#in~Input := main_~d~0; [L49] havoc SqrtR_#res; [L49] havoc SqrtR_#t~post0, SqrtR_~Input, SqrtR_~xn~0, SqrtR_~xnp1~0, SqrtR_~residu~0, SqrtR_~lsup~0, SqrtR_~linf~0, SqrtR_~i~0, SqrtR_~cond~0; [L19-L40] SqrtR_~Input := SqrtR_#in~Input; [L21] havoc SqrtR_~xn~0; [L21] havoc SqrtR_~xnp1~0; [L21] havoc SqrtR_~residu~0; [L21] havoc SqrtR_~lsup~0; [L21] havoc SqrtR_~linf~0; [L22] havoc SqrtR_~i~0; [L22] havoc SqrtR_~cond~0; [L23] assume !~someBinaryDOUBLEComparisonOperation(SqrtR_~Input, 1.0); [L23] SqrtR_~xn~0 := ~someBinaryArithmeticDOUBLEoperation(1.0, SqrtR_~Input); [L24] SqrtR_~xnp1~0 := SqrtR_~xn~0; [L25] SqrtR_~residu~0 := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(2.0, ~_EPS~0), ~someBinaryArithmeticDOUBLEoperation(SqrtR_~xn~0, SqrtR_~xnp1~0)); [L26] SqrtR_~lsup~0 := ~someBinaryArithmeticDOUBLEoperation(~_EPS~0, ~someBinaryArithmeticDOUBLEoperation(SqrtR_~xn~0, SqrtR_~xnp1~0)); [L27] SqrtR_~linf~0 := ~someUnaryDOUBLEoperation(SqrtR_~lsup~0); [L28] SqrtR_~cond~0 := (if ~someBinaryDOUBLEComparisonOperation(SqrtR_~residu~0, SqrtR_~lsup~0) || ~someBinaryDOUBLEComparisonOperation(SqrtR_~residu~0, SqrtR_~linf~0) then 1 else 0); [L29] SqrtR_~i~0 := 0; VAL [main_~d~0=0.0, SqrtR_#in~Input=0.0, SqrtR_~cond~0=0, SqrtR_~Input=0.0, SqrtR_~i~0=0, SqrtR_~xnp1~0=1.0, SqrtR_~xn~0=1.0, ~_EPS~0=1/1000000] [L30-L38] assume !(0 != SqrtR_~cond~0); [L39] SqrtR_#res := ~someBinaryArithmeticDOUBLEoperation(1.0, SqrtR_~xnp1~0); [L49] main_#t~ret2 := SqrtR_#res; [L49] main_~r~0 := main_#t~ret2; [L49] havoc main_#t~ret2; [L51] __VERIFIER_assert_#in~cond := (if ~someBinaryDOUBLEComparisonOperation(main_~r~0, 0.3) && ~someBinaryDOUBLEComparisonOperation(main_~r~0, 5.0) then 1 else 0); [L51] havoc __VERIFIER_assert_~cond; [L15] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~d~0=0.0, main_~r~0=2.0, SqrtR_#in~Input=0.0, SqrtR_#res=2.0, SqrtR_~cond~0=0, SqrtR_~Input=0.0, SqrtR_~i~0=0, SqrtR_~xnp1~0=1.0, SqrtR_~xn~0=1.0, ~_EPS~0=1/1000000] [L15] assume 0 == __VERIFIER_assert_~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~d~0=0.0, main_~r~0=2.0, SqrtR_#in~Input=0.0, SqrtR_#res=2.0, SqrtR_~cond~0=0, SqrtR_~Input=0.0, SqrtR_~i~0=0, SqrtR_~xnp1~0=1.0, SqrtR_~xn~0=1.0, ~_EPS~0=1/1000000] [L15] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~d~0=0.0, main_~r~0=2.0, SqrtR_#in~Input=0.0, SqrtR_#res=2.0, SqrtR_~cond~0=0, SqrtR_~Input=0.0, SqrtR_~i~0=0, SqrtR_~xnp1~0=1.0, SqrtR_~xn~0=1.0, ~_EPS~0=1/1000000] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [L17] ~_EPS~0 := 1.0E-6; [?] havoc main_#res; [?] havoc main_#t~nondet1, main_#t~ret2, main_~d~0, main_~r~0; [L44] havoc main_~d~0; [L44] havoc main_~r~0; [L46] main_~d~0 := main_#t~nondet1; [L46] havoc main_#t~nondet1; [L47] assume 0 != (if ~someBinaryDOUBLEComparisonOperation(main_~d~0, 0.1) && ~someBinaryDOUBLEComparisonOperation(main_~d~0, 20.0) then 1 else 0); [L49] SqrtR_#in~Input := main_~d~0; [L49] havoc SqrtR_#res; [L49] havoc SqrtR_#t~post0, SqrtR_~Input, SqrtR_~xn~0, SqrtR_~xnp1~0, SqrtR_~residu~0, SqrtR_~lsup~0, SqrtR_~linf~0, SqrtR_~i~0, SqrtR_~cond~0; [L19-L40] SqrtR_~Input := SqrtR_#in~Input; [L21] havoc SqrtR_~xn~0; [L21] havoc SqrtR_~xnp1~0; [L21] havoc SqrtR_~residu~0; [L21] havoc SqrtR_~lsup~0; [L21] havoc SqrtR_~linf~0; [L22] havoc SqrtR_~i~0; [L22] havoc SqrtR_~cond~0; [L23] assume !~someBinaryDOUBLEComparisonOperation(SqrtR_~Input, 1.0); [L23] SqrtR_~xn~0 := ~someBinaryArithmeticDOUBLEoperation(1.0, SqrtR_~Input); [L24] SqrtR_~xnp1~0 := SqrtR_~xn~0; [L25] SqrtR_~residu~0 := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(2.0, ~_EPS~0), ~someBinaryArithmeticDOUBLEoperation(SqrtR_~xn~0, SqrtR_~xnp1~0)); [L26] SqrtR_~lsup~0 := ~someBinaryArithmeticDOUBLEoperation(~_EPS~0, ~someBinaryArithmeticDOUBLEoperation(SqrtR_~xn~0, SqrtR_~xnp1~0)); [L27] SqrtR_~linf~0 := ~someUnaryDOUBLEoperation(SqrtR_~lsup~0); [L28] SqrtR_~cond~0 := (if ~someBinaryDOUBLEComparisonOperation(SqrtR_~residu~0, SqrtR_~lsup~0) || ~someBinaryDOUBLEComparisonOperation(SqrtR_~residu~0, SqrtR_~linf~0) then 1 else 0); [L29] SqrtR_~i~0 := 0; VAL [main_~d~0=0.0, SqrtR_#in~Input=0.0, SqrtR_~cond~0=0, SqrtR_~Input=0.0, SqrtR_~i~0=0, SqrtR_~xnp1~0=1.0, SqrtR_~xn~0=1.0, ~_EPS~0=1/1000000] [L30-L38] assume !(0 != SqrtR_~cond~0); [L39] SqrtR_#res := ~someBinaryArithmeticDOUBLEoperation(1.0, SqrtR_~xnp1~0); [L49] main_#t~ret2 := SqrtR_#res; [L49] main_~r~0 := main_#t~ret2; [L49] havoc main_#t~ret2; [L51] __VERIFIER_assert_#in~cond := (if ~someBinaryDOUBLEComparisonOperation(main_~r~0, 0.3) && ~someBinaryDOUBLEComparisonOperation(main_~r~0, 5.0) then 1 else 0); [L51] havoc __VERIFIER_assert_~cond; [L15] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~d~0=0.0, main_~r~0=2.0, SqrtR_#in~Input=0.0, SqrtR_#res=2.0, SqrtR_~cond~0=0, SqrtR_~Input=0.0, SqrtR_~i~0=0, SqrtR_~xnp1~0=1.0, SqrtR_~xn~0=1.0, ~_EPS~0=1/1000000] [L15] assume 0 == __VERIFIER_assert_~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~d~0=0.0, main_~r~0=2.0, SqrtR_#in~Input=0.0, SqrtR_#res=2.0, SqrtR_~cond~0=0, SqrtR_~Input=0.0, SqrtR_~i~0=0, SqrtR_~xnp1~0=1.0, SqrtR_~xn~0=1.0, ~_EPS~0=1/1000000] [L15] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~d~0=0.0, main_~r~0=2.0, SqrtR_#in~Input=0.0, SqrtR_#res=2.0, SqrtR_~cond~0=0, SqrtR_~Input=0.0, SqrtR_~i~0=0, SqrtR_~xnp1~0=1.0, SqrtR_~xn~0=1.0, ~_EPS~0=1/1000000] [L17] ~_EPS~0 := 1.0E-6; [?] havoc main_#res; [?] havoc main_#t~nondet1, main_#t~ret2, main_~d~0, main_~r~0; [L44] havoc main_~d~0; [L44] havoc main_~r~0; [L46] main_~d~0 := main_#t~nondet1; [L46] havoc main_#t~nondet1; [L47] assume 0 != (if ~someBinaryDOUBLEComparisonOperation(main_~d~0, 0.1) && ~someBinaryDOUBLEComparisonOperation(main_~d~0, 20.0) then 1 else 0); [L49] SqrtR_#in~Input := main_~d~0; [L49] havoc SqrtR_#res; [L49] havoc SqrtR_#t~post0, SqrtR_~Input, SqrtR_~xn~0, SqrtR_~xnp1~0, SqrtR_~residu~0, SqrtR_~lsup~0, SqrtR_~linf~0, SqrtR_~i~0, SqrtR_~cond~0; [L19-L40] SqrtR_~Input := SqrtR_#in~Input; [L21] havoc SqrtR_~xn~0; [L21] havoc SqrtR_~xnp1~0; [L21] havoc SqrtR_~residu~0; [L21] havoc SqrtR_~lsup~0; [L21] havoc SqrtR_~linf~0; [L22] havoc SqrtR_~i~0; [L22] havoc SqrtR_~cond~0; [L23] COND FALSE !(~someBinaryDOUBLEComparisonOperation(SqrtR_~Input, 1.0)) [L23] SqrtR_~xn~0 := ~someBinaryArithmeticDOUBLEoperation(1.0, SqrtR_~Input); [L24] SqrtR_~xnp1~0 := SqrtR_~xn~0; [L25] SqrtR_~residu~0 := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(2.0, ~_EPS~0), ~someBinaryArithmeticDOUBLEoperation(SqrtR_~xn~0, SqrtR_~xnp1~0)); [L26] SqrtR_~lsup~0 := ~someBinaryArithmeticDOUBLEoperation(~_EPS~0, ~someBinaryArithmeticDOUBLEoperation(SqrtR_~xn~0, SqrtR_~xnp1~0)); [L27] SqrtR_~linf~0 := ~someUnaryDOUBLEoperation(SqrtR_~lsup~0); [L28] SqrtR_~cond~0 := (if ~someBinaryDOUBLEComparisonOperation(SqrtR_~residu~0, SqrtR_~lsup~0) || ~someBinaryDOUBLEComparisonOperation(SqrtR_~residu~0, SqrtR_~linf~0) then 1 else 0); [L29] SqrtR_~i~0 := 0; VAL [main_~d~0=0.0, SqrtR_#in~Input=0.0, SqrtR_~cond~0=0, SqrtR_~Input=0.0, SqrtR_~i~0=0, SqrtR_~xnp1~0=1.0, SqrtR_~xn~0=1.0, ~_EPS~0=1/1000000] [L30-L38] COND TRUE !(0 != SqrtR_~cond~0) [L39] SqrtR_#res := ~someBinaryArithmeticDOUBLEoperation(1.0, SqrtR_~xnp1~0); [L49] main_#t~ret2 := SqrtR_#res; [L49] main_~r~0 := main_#t~ret2; [L49] havoc main_#t~ret2; [L51] __VERIFIER_assert_#in~cond := (if ~someBinaryDOUBLEComparisonOperation(main_~r~0, 0.3) && ~someBinaryDOUBLEComparisonOperation(main_~r~0, 5.0) then 1 else 0); [L51] havoc __VERIFIER_assert_~cond; [L15] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~d~0=0.0, main_~r~0=2.0, SqrtR_#in~Input=0.0, SqrtR_#res=2.0, SqrtR_~cond~0=0, SqrtR_~Input=0.0, SqrtR_~i~0=0, SqrtR_~xnp1~0=1.0, SqrtR_~xn~0=1.0, ~_EPS~0=1/1000000] [L15] COND TRUE 0 == __VERIFIER_assert_~cond VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~d~0=0.0, main_~r~0=2.0, SqrtR_#in~Input=0.0, SqrtR_#res=2.0, SqrtR_~cond~0=0, SqrtR_~Input=0.0, SqrtR_~i~0=0, SqrtR_~xnp1~0=1.0, SqrtR_~xn~0=1.0, ~_EPS~0=1/1000000] [L15] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~d~0=0.0, main_~r~0=2.0, SqrtR_#in~Input=0.0, SqrtR_#res=2.0, SqrtR_~cond~0=0, SqrtR_~Input=0.0, SqrtR_~i~0=0, SqrtR_~xnp1~0=1.0, SqrtR_~xn~0=1.0, ~_EPS~0=1/1000000] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [L17] ~_EPS~0 := 1.0E-6; [?] havoc main_#res; [?] havoc main_#t~nondet1, main_#t~ret2, main_~d~0, main_~r~0; [L44] havoc main_~d~0; [L44] havoc main_~r~0; [L46] main_~d~0 := main_#t~nondet1; [L46] havoc main_#t~nondet1; [L47] assume 0 != (if ~someBinaryDOUBLEComparisonOperation(main_~d~0, 0.1) && ~someBinaryDOUBLEComparisonOperation(main_~d~0, 20.0) then 1 else 0); [L49] SqrtR_#in~Input := main_~d~0; [L49] havoc SqrtR_#res; [L49] havoc SqrtR_#t~post0, SqrtR_~Input, SqrtR_~xn~0, SqrtR_~xnp1~0, SqrtR_~residu~0, SqrtR_~lsup~0, SqrtR_~linf~0, SqrtR_~i~0, SqrtR_~cond~0; [L19-L40] SqrtR_~Input := SqrtR_#in~Input; [L21] havoc SqrtR_~xn~0; [L21] havoc SqrtR_~xnp1~0; [L21] havoc SqrtR_~residu~0; [L21] havoc SqrtR_~lsup~0; [L21] havoc SqrtR_~linf~0; [L22] havoc SqrtR_~i~0; [L22] havoc SqrtR_~cond~0; [L23] COND FALSE !(~someBinaryDOUBLEComparisonOperation(SqrtR_~Input, 1.0)) [L23] SqrtR_~xn~0 := ~someBinaryArithmeticDOUBLEoperation(1.0, SqrtR_~Input); [L24] SqrtR_~xnp1~0 := SqrtR_~xn~0; [L25] SqrtR_~residu~0 := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(2.0, ~_EPS~0), ~someBinaryArithmeticDOUBLEoperation(SqrtR_~xn~0, SqrtR_~xnp1~0)); [L26] SqrtR_~lsup~0 := ~someBinaryArithmeticDOUBLEoperation(~_EPS~0, ~someBinaryArithmeticDOUBLEoperation(SqrtR_~xn~0, SqrtR_~xnp1~0)); [L27] SqrtR_~linf~0 := ~someUnaryDOUBLEoperation(SqrtR_~lsup~0); [L28] SqrtR_~cond~0 := (if ~someBinaryDOUBLEComparisonOperation(SqrtR_~residu~0, SqrtR_~lsup~0) || ~someBinaryDOUBLEComparisonOperation(SqrtR_~residu~0, SqrtR_~linf~0) then 1 else 0); [L29] SqrtR_~i~0 := 0; VAL [main_~d~0=0.0, SqrtR_#in~Input=0.0, SqrtR_~cond~0=0, SqrtR_~Input=0.0, SqrtR_~i~0=0, SqrtR_~xnp1~0=1.0, SqrtR_~xn~0=1.0, ~_EPS~0=1/1000000] [L30-L38] COND TRUE !(0 != SqrtR_~cond~0) [L39] SqrtR_#res := ~someBinaryArithmeticDOUBLEoperation(1.0, SqrtR_~xnp1~0); [L49] main_#t~ret2 := SqrtR_#res; [L49] main_~r~0 := main_#t~ret2; [L49] havoc main_#t~ret2; [L51] __VERIFIER_assert_#in~cond := (if ~someBinaryDOUBLEComparisonOperation(main_~r~0, 0.3) && ~someBinaryDOUBLEComparisonOperation(main_~r~0, 5.0) then 1 else 0); [L51] havoc __VERIFIER_assert_~cond; [L15] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~d~0=0.0, main_~r~0=2.0, SqrtR_#in~Input=0.0, SqrtR_#res=2.0, SqrtR_~cond~0=0, SqrtR_~Input=0.0, SqrtR_~i~0=0, SqrtR_~xnp1~0=1.0, SqrtR_~xn~0=1.0, ~_EPS~0=1/1000000] [L15] COND TRUE 0 == __VERIFIER_assert_~cond VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~d~0=0.0, main_~r~0=2.0, SqrtR_#in~Input=0.0, SqrtR_#res=2.0, SqrtR_~cond~0=0, SqrtR_~Input=0.0, SqrtR_~i~0=0, SqrtR_~xnp1~0=1.0, SqrtR_~xn~0=1.0, ~_EPS~0=1/1000000] [L15] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~d~0=0.0, main_~r~0=2.0, SqrtR_#in~Input=0.0, SqrtR_#res=2.0, SqrtR_~cond~0=0, SqrtR_~Input=0.0, SqrtR_~i~0=0, SqrtR_~xnp1~0=1.0, SqrtR_~xn~0=1.0, ~_EPS~0=1/1000000] [L17] ~_EPS~0 := 1.0E-6; [L44] havoc ~d~0; [L44] havoc ~r~0; [L46] ~d~0 := #t~nondet1; [L46] havoc #t~nondet1; [L47] assume 0 != (if ~someBinaryDOUBLEComparisonOperation(~d~0, 0.1) && ~someBinaryDOUBLEComparisonOperation(~d~0, 20.0) then 1 else 0); [L19-L40] ~Input := #in~Input; [L21] havoc ~xn~0; [L21] havoc ~xnp1~0; [L21] havoc ~residu~0; [L21] havoc ~lsup~0; [L21] havoc ~linf~0; [L22] havoc ~i~0; [L22] havoc ~cond~0; [L23] COND FALSE !(~someBinaryDOUBLEComparisonOperation(~Input, 1.0)) [L23] ~xn~0 := ~someBinaryArithmeticDOUBLEoperation(1.0, ~Input); [L24] ~xnp1~0 := ~xn~0; [L25] ~residu~0 := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(2.0, ~_EPS~0), ~someBinaryArithmeticDOUBLEoperation(~xn~0, ~xnp1~0)); [L26] ~lsup~0 := ~someBinaryArithmeticDOUBLEoperation(~_EPS~0, ~someBinaryArithmeticDOUBLEoperation(~xn~0, ~xnp1~0)); [L27] ~linf~0 := ~someUnaryDOUBLEoperation(~lsup~0); [L28] ~cond~0 := (if ~someBinaryDOUBLEComparisonOperation(~residu~0, ~lsup~0) || ~someBinaryDOUBLEComparisonOperation(~residu~0, ~linf~0) then 1 else 0); [L29] ~i~0 := 0; VAL [~_EPS~0=1/1000000] [L30-L38] COND TRUE !(0 != ~cond~0) [L39] #res := ~someBinaryArithmeticDOUBLEoperation(1.0, ~xnp1~0); [L49] ~r~0 := #t~ret2; [L49] havoc #t~ret2; [L15] ~cond := #in~cond; VAL [~_EPS~0=1/1000000] [L15] COND TRUE 0 == ~cond VAL [~_EPS~0=1/1000000] [L15] assert false; VAL [~_EPS~0=1/1000000] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L17] ~_EPS~0 := 1.0E-6; [L44] havoc ~d~0; [L44] havoc ~r~0; [L46] ~d~0 := #t~nondet1; [L46] havoc #t~nondet1; [L47] assume 0 != (if ~someBinaryDOUBLEComparisonOperation(~d~0, 0.1) && ~someBinaryDOUBLEComparisonOperation(~d~0, 20.0) then 1 else 0); [L19-L40] ~Input := #in~Input; [L21] havoc ~xn~0; [L21] havoc ~xnp1~0; [L21] havoc ~residu~0; [L21] havoc ~lsup~0; [L21] havoc ~linf~0; [L22] havoc ~i~0; [L22] havoc ~cond~0; [L23] COND FALSE !(~someBinaryDOUBLEComparisonOperation(~Input, 1.0)) [L23] ~xn~0 := ~someBinaryArithmeticDOUBLEoperation(1.0, ~Input); [L24] ~xnp1~0 := ~xn~0; [L25] ~residu~0 := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(2.0, ~_EPS~0), ~someBinaryArithmeticDOUBLEoperation(~xn~0, ~xnp1~0)); [L26] ~lsup~0 := ~someBinaryArithmeticDOUBLEoperation(~_EPS~0, ~someBinaryArithmeticDOUBLEoperation(~xn~0, ~xnp1~0)); [L27] ~linf~0 := ~someUnaryDOUBLEoperation(~lsup~0); [L28] ~cond~0 := (if ~someBinaryDOUBLEComparisonOperation(~residu~0, ~lsup~0) || ~someBinaryDOUBLEComparisonOperation(~residu~0, ~linf~0) then 1 else 0); [L29] ~i~0 := 0; VAL [~_EPS~0=1/1000000] [L30-L38] COND TRUE !(0 != ~cond~0) [L39] #res := ~someBinaryArithmeticDOUBLEoperation(1.0, ~xnp1~0); [L49] ~r~0 := #t~ret2; [L49] havoc #t~ret2; [L15] ~cond := #in~cond; VAL [~_EPS~0=1/1000000] [L15] COND TRUE 0 == ~cond VAL [~_EPS~0=1/1000000] [L15] assert false; VAL [~_EPS~0=1/1000000] [L17] double _EPS = 1e-6; [L44] double d, r; [L46] d = __VERIFIER_nondet_double() [L21] double xn, xnp1, residu, lsup, linf; [L22] int i, cond; [L23] COND FALSE !(Input <= 1.0) [L23] xn = 1.0/Input [L24] xnp1 = xn [L25] residu = 2.0*_EPS*(xn+xnp1) [L26] lsup = _EPS * (xn+xnp1) [L27] linf = -lsup [L28] cond = ((residu > lsup) || (residu < linf)) [L29] i = 0 VAL [_EPS=1/1000000] [L30] COND FALSE !(\read(cond)) [L39] return 1.0 / xnp1; [L49] r = SqrtR(d) [L15] COND TRUE !(cond) VAL [_EPS=1/1000000] [L15] __VERIFIER_error() VAL [_EPS=1/1000000] ----- [2018-11-23 15:42:20,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 03:42:20 ImpRootNode [2018-11-23 15:42:20,181 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 15:42:20,181 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:42:20,182 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:42:20,182 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:42:20,182 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:42:20" (3/4) ... [2018-11-23 15:42:20,184 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 15:42:20,184 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:42:20,185 INFO L168 Benchmark]: Toolchain (without parser) took 585.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -134.9 MB). Peak memory consumption was 354.3 kB. Max. memory is 11.5 GB. [2018-11-23 15:42:20,186 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:42:20,187 INFO L168 Benchmark]: CACSL2BoogieTranslator took 155.19 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 15:42:20,187 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.50 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 15:42:20,188 INFO L168 Benchmark]: Boogie Preprocessor took 48.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -186.8 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-23 15:42:20,188 INFO L168 Benchmark]: RCFGBuilder took 194.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2018-11-23 15:42:20,188 INFO L168 Benchmark]: CodeCheck took 162.20 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-23 15:42:20,189 INFO L168 Benchmark]: Witness Printer took 3.08 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 15:42:20,191 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, 14 locations, 1 error locations. UNSAFE Result, 0.1s 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, 4 NumberOfCodeBlocks, 4 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: 15]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 39, overapproximation of someUnaryDOUBLEoperation at line 27, overapproximation of someBinaryDOUBLEComparisonOperation at line 51. Possible FailurePath: [L17] double _EPS = 1e-6; [L44] double d, r; [L46] d = __VERIFIER_nondet_double() [L21] double xn, xnp1, residu, lsup, linf; [L22] int i, cond; [L23] COND FALSE !(Input <= 1.0) [L23] xn = 1.0/Input [L24] xnp1 = xn [L25] residu = 2.0*_EPS*(xn+xnp1) [L26] lsup = _EPS * (xn+xnp1) [L27] linf = -lsup [L28] cond = ((residu > lsup) || (residu < linf)) [L29] i = 0 VAL [_EPS=1/1000000] [L30] COND FALSE !(\read(cond)) [L39] return 1.0 / xnp1; [L49] r = SqrtR(d) [L15] COND TRUE !(cond) VAL [_EPS=1/1000000] [L15] __VERIFIER_error() VAL [_EPS=1/1000000] * 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 155.19 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 19.50 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 48.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -186.8 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 194.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * CodeCheck took 162.20 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 15:42:21,568 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:42:21,569 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:42:21,576 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:42:21,576 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:42:21,577 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:42:21,578 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:42:21,579 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:42:21,580 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:42:21,580 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:42:21,581 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:42:21,581 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:42:21,582 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:42:21,582 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:42:21,583 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:42:21,584 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:42:21,584 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:42:21,585 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:42:21,587 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:42:21,588 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:42:21,588 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:42:21,589 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:42:21,591 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:42:21,591 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:42:21,591 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:42:21,592 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:42:21,592 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:42:21,593 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:42:21,594 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:42:21,594 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:42:21,594 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:42:21,595 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:42:21,595 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:42:21,595 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:42:21,596 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:42:21,596 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:42:21,597 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cf3f766c-2212-4d77-84b7-0ad1000ee65a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-23 15:42:21,608 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:42:21,608 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:42:21,608 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:42:21,609 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 15:42:21,609 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 15:42:21,609 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 15:42:21,609 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:42:21,610 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:42:21,610 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:42:21,610 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:42:21,610 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:42:21,610 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:42:21,610 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:42:21,610 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 15:42:21,610 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 15:42:21,611 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:42:21,611 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:42:21,611 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:42:21,611 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:42:21,611 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 15:42:21,611 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 15:42:21,611 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:42:21,612 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:42:21,612 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 15:42:21,612 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:42:21,612 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:42:21,612 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:42:21,612 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-23 15:42:21,612 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 15:42:21,613 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:42:21,613 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 15:42:21,613 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 15:42:21,613 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_cf3f766c-2212-4d77-84b7-0ad1000ee65a/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 -> 044666208476da4ad4fcec9a18fadf3bde3ce58f [2018-11-23 15:42:21,641 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:42:21,649 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:42:21,651 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:42:21,652 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:42:21,652 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:42:21,653 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cf3f766c-2212-4d77-84b7-0ad1000ee65a/bin-2019/ukojak/../../sv-benchmarks/c/float-benchs/sqrt_Householder_interval_true-unreach-call.c [2018-11-23 15:42:21,688 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cf3f766c-2212-4d77-84b7-0ad1000ee65a/bin-2019/ukojak/data/13a46ea25/140ba6dc3d0745e591be3a0d02b4821d/FLAG6dd123d9a [2018-11-23 15:42:22,013 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:42:22,014 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cf3f766c-2212-4d77-84b7-0ad1000ee65a/sv-benchmarks/c/float-benchs/sqrt_Householder_interval_true-unreach-call.c [2018-11-23 15:42:22,017 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cf3f766c-2212-4d77-84b7-0ad1000ee65a/bin-2019/ukojak/data/13a46ea25/140ba6dc3d0745e591be3a0d02b4821d/FLAG6dd123d9a [2018-11-23 15:42:22,445 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cf3f766c-2212-4d77-84b7-0ad1000ee65a/bin-2019/ukojak/data/13a46ea25/140ba6dc3d0745e591be3a0d02b4821d [2018-11-23 15:42:22,448 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:42:22,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:42:22,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:42:22,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:42:22,453 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:42:22,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:22" (1/1) ... [2018-11-23 15:42:22,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c0dd6be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:22, skipping insertion in model container [2018-11-23 15:42:22,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:22" (1/1) ... [2018-11-23 15:42:22,463 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:42:22,478 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:42:22,605 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:42:22,609 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:42:22,626 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:42:22,637 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:42:22,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:22 WrapperNode [2018-11-23 15:42:22,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:42:22,638 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:42:22,638 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:42:22,638 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:42:22,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:22" (1/1) ... [2018-11-23 15:42:22,648 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:22" (1/1) ... [2018-11-23 15:42:22,659 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:42:22,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:42:22,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:42:22,660 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:42:22,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:22" (1/1) ... [2018-11-23 15:42:22,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:22" (1/1) ... [2018-11-23 15:42:22,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:22" (1/1) ... [2018-11-23 15:42:22,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:22" (1/1) ... [2018-11-23 15:42:22,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:22" (1/1) ... [2018-11-23 15:42:22,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:22" (1/1) ... [2018-11-23 15:42:22,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:22" (1/1) ... [2018-11-23 15:42:22,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:42:22,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:42:22,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:42:22,680 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:42:22,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cf3f766c-2212-4d77-84b7-0ad1000ee65a/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 15:42:22,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:42:22,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:43:43,476 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:43:43,476 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-11-23 15:43:43,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:43:43 BoogieIcfgContainer [2018-11-23 15:43:43,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:43:43,477 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 15:43:43,477 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 15:43:43,483 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 15:43:43,483 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:43:43" (1/1) ... [2018-11-23 15:43:43,489 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:43:43,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:43:43,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-11-23 15:43:43,512 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-11-23 15:43:43,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-23 15:43:43,514 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:43:43,546 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-23 15:43:53,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-11-23 15:43:54,694 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:505) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-23 15:43:54,696 INFO L168 Benchmark]: Toolchain (without parser) took 92248.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -140.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:43:54,698 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 15:43:54,698 INFO L168 Benchmark]: CACSL2BoogieTranslator took 188.34 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 15:43:54,699 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.12 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:43:54,699 INFO L168 Benchmark]: Boogie Preprocessor took 19.91 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:43:54,699 INFO L168 Benchmark]: RCFGBuilder took 80796.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -163.3 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:43:54,700 INFO L168 Benchmark]: CodeCheck took 11219.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-23 15:43:54,701 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:505) * 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 188.34 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 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 21.12 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.91 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 80796.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -163.3 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * CodeCheck took 11219.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process Received shutdown request...