./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/square_1_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b71b0ba5-214f-4555-97cd-8488686dde06/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b71b0ba5-214f-4555-97cd-8488686dde06/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b71b0ba5-214f-4555-97cd-8488686dde06/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b71b0ba5-214f-4555-97cd-8488686dde06/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/square_1_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b71b0ba5-214f-4555-97cd-8488686dde06/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b71b0ba5-214f-4555-97cd-8488686dde06/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 9b4984d971b5a5a3b565edf502e7d7464558f166 .......................................................................................................................................................................................................................................................................................................... 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_b71b0ba5-214f-4555-97cd-8488686dde06/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b71b0ba5-214f-4555-97cd-8488686dde06/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b71b0ba5-214f-4555-97cd-8488686dde06/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b71b0ba5-214f-4555-97cd-8488686dde06/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/square_1_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b71b0ba5-214f-4555-97cd-8488686dde06/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b71b0ba5-214f-4555-97cd-8488686dde06/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 9b4984d971b5a5a3b565edf502e7d7464558f166 .......................................................................................................................................................................................................... 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 15:35:47,184 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:35:47,185 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:35:47,193 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:35:47,193 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:35:47,194 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:35:47,194 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:35:47,196 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:35:47,197 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:35:47,197 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:35:47,198 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:35:47,198 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:35:47,199 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:35:47,199 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:35:47,200 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:35:47,201 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:35:47,201 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:35:47,203 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:35:47,204 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:35:47,205 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:35:47,206 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:35:47,207 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:35:47,208 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:35:47,209 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:35:47,209 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:35:47,210 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:35:47,210 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:35:47,211 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:35:47,212 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:35:47,212 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:35:47,213 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:35:47,213 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:35:47,213 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:35:47,213 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:35:47,214 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:35:47,214 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:35:47,214 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b71b0ba5-214f-4555-97cd-8488686dde06/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 15:35:47,225 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:35:47,225 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:35:47,226 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:35:47,226 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 15:35:47,226 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 15:35:47,227 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 15:35:47,227 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:35:47,227 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:35:47,227 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:35:47,227 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:35:47,227 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:35:47,227 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:35:47,228 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:35:47,228 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:35:47,228 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:35:47,228 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:35:47,228 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:35:47,228 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:35:47,229 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 15:35:47,229 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 15:35:47,229 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:35:47,229 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:35:47,229 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 15:35:47,229 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:35:47,229 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:35:47,230 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:35:47,230 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 15:35:47,230 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:35:47,230 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 15:35:47,230 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_b71b0ba5-214f-4555-97cd-8488686dde06/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 -> 9b4984d971b5a5a3b565edf502e7d7464558f166 [2018-11-23 15:35:47,253 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:35:47,261 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:35:47,263 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:35:47,264 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:35:47,264 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:35:47,265 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b71b0ba5-214f-4555-97cd-8488686dde06/bin-2019/ukojak/../../sv-benchmarks/c/floats-cdfpl/square_1_false-unreach-call_true-termination.i [2018-11-23 15:35:47,304 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b71b0ba5-214f-4555-97cd-8488686dde06/bin-2019/ukojak/data/912aa4c64/8d11b317b453436f870746762f43e12e/FLAG47c898723 [2018-11-23 15:35:47,626 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:35:47,627 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b71b0ba5-214f-4555-97cd-8488686dde06/sv-benchmarks/c/floats-cdfpl/square_1_false-unreach-call_true-termination.i [2018-11-23 15:35:47,631 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b71b0ba5-214f-4555-97cd-8488686dde06/bin-2019/ukojak/data/912aa4c64/8d11b317b453436f870746762f43e12e/FLAG47c898723 [2018-11-23 15:35:48,068 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b71b0ba5-214f-4555-97cd-8488686dde06/bin-2019/ukojak/data/912aa4c64/8d11b317b453436f870746762f43e12e [2018-11-23 15:35:48,070 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:35:48,071 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:35:48,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:35:48,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:35:48,074 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:35:48,075 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:35:48" (1/1) ... [2018-11-23 15:35:48,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a163e3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:48, skipping insertion in model container [2018-11-23 15:35:48,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:35:48" (1/1) ... [2018-11-23 15:35:48,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:35:48,095 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:35:48,208 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:35:48,211 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:35:48,223 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:35:48,233 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:35:48,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:48 WrapperNode [2018-11-23 15:35:48,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:35:48,234 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:35:48,234 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:35:48,234 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:35:48,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:48" (1/1) ... [2018-11-23 15:35:48,242 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:48" (1/1) ... [2018-11-23 15:35:48,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:35:48,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:35:48,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:35:48,252 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:35:48,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:48" (1/1) ... [2018-11-23 15:35:48,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:48" (1/1) ... [2018-11-23 15:35:48,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:48" (1/1) ... [2018-11-23 15:35:48,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:48" (1/1) ... [2018-11-23 15:35:48,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:48" (1/1) ... [2018-11-23 15:35:48,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:48" (1/1) ... [2018-11-23 15:35:48,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:48" (1/1) ... [2018-11-23 15:35:48,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:35:48,262 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:35:48,262 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:35:48,262 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:35:48,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b71b0ba5-214f-4555-97cd-8488686dde06/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 15:35:48,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:35:48,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:35:48,416 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:35:48,416 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-23 15:35:48,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:35:48 BoogieIcfgContainer [2018-11-23 15:35:48,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:35:48,417 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 15:35:48,417 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 15:35:48,423 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 15:35:48,423 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:35:48" (1/1) ... [2018-11-23 15:35:48,430 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:35:48,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:35:48,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-23 15:35:48,451 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-23 15:35:48,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-23 15:35:48,453 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:35:48,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:35:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:35:48,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:35:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:35:48,531 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] havoc main_#res;havoc main_#t~nondet1, main_~IN~0, main_~x~0, main_~result~0;main_~IN~0 := main_#t~nondet1;havoc main_#t~nondet1;assume 0 != (if ~someBinaryFLOATComparisonOperation(main_~IN~0, 0.0) && ~someBinaryFLOATComparisonOperation(main_~IN~0, 1.0) then 1 else 0);main_~x~0 := main_~IN~0;main_~result~0 := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(1.0, ~someBinaryArithmeticFLOAToperation(0.5, main_~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.125, main_~x~0), main_~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0625, main_~x~0), main_~x~0), main_~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0390625, main_~x~0), main_~x~0), main_~x~0), main_~x~0)); VAL [ULTIMATE.start_main_~IN~0=0.0, ULTIMATE.start_main_~x~0=0.0] [?] assume !(~someBinaryFLOATComparisonOperation(main_~result~0, 0.0) && ~someBinaryFLOATComparisonOperation(main_~result~0, 1.39)); VAL [ULTIMATE.start_main_~IN~0=0.0, ULTIMATE.start_main_~x~0=0.0] [?] assume !false; VAL [ULTIMATE.start_main_~IN~0=0.0, ULTIMATE.start_main_~x~0=0.0] [?] havoc main_#res; [?] havoc main_#t~nondet1, main_~IN~0, main_~x~0, main_~result~0; [L6] main_~IN~0 := main_#t~nondet1; [L6] havoc main_#t~nondet1; [L7] assume 0 != (if ~someBinaryFLOATComparisonOperation(main_~IN~0, 0.0) && ~someBinaryFLOATComparisonOperation(main_~IN~0, 1.0) then 1 else 0); [L9] main_~x~0 := main_~IN~0; [L11-L12] main_~result~0 := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(1.0, ~someBinaryArithmeticFLOAToperation(0.5, main_~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.125, main_~x~0), main_~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0625, main_~x~0), main_~x~0), main_~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0390625, main_~x~0), main_~x~0), main_~x~0), main_~x~0)); VAL [main_~IN~0=0.0, main_~x~0=0.0] [L14-L15] assume !(~someBinaryFLOATComparisonOperation(main_~result~0, 0.0) && ~someBinaryFLOATComparisonOperation(main_~result~0, 1.39)); VAL [main_~IN~0=0.0, main_~x~0=0.0] [L15] assert false; VAL [main_~IN~0=0.0, main_~x~0=0.0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet1, main_~IN~0, main_~x~0, main_~result~0; [L6] main_~IN~0 := main_#t~nondet1; [L6] havoc main_#t~nondet1; [L7] assume 0 != (if ~someBinaryFLOATComparisonOperation(main_~IN~0, 0.0) && ~someBinaryFLOATComparisonOperation(main_~IN~0, 1.0) then 1 else 0); [L9] main_~x~0 := main_~IN~0; [L11-L12] main_~result~0 := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(1.0, ~someBinaryArithmeticFLOAToperation(0.5, main_~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.125, main_~x~0), main_~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0625, main_~x~0), main_~x~0), main_~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0390625, main_~x~0), main_~x~0), main_~x~0), main_~x~0)); VAL [main_~IN~0=0.0, main_~x~0=0.0] [L14-L15] assume !(~someBinaryFLOATComparisonOperation(main_~result~0, 0.0) && ~someBinaryFLOATComparisonOperation(main_~result~0, 1.39)); VAL [main_~IN~0=0.0, main_~x~0=0.0] [L15] assert false; VAL [main_~IN~0=0.0, main_~x~0=0.0] [?] havoc main_#res; [?] havoc main_#t~nondet1, main_~IN~0, main_~x~0, main_~result~0; [L6] main_~IN~0 := main_#t~nondet1; [L6] havoc main_#t~nondet1; [L7] assume 0 != (if ~someBinaryFLOATComparisonOperation(main_~IN~0, 0.0) && ~someBinaryFLOATComparisonOperation(main_~IN~0, 1.0) then 1 else 0); [L9] main_~x~0 := main_~IN~0; [L11-L12] main_~result~0 := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(1.0, ~someBinaryArithmeticFLOAToperation(0.5, main_~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.125, main_~x~0), main_~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0625, main_~x~0), main_~x~0), main_~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0390625, main_~x~0), main_~x~0), main_~x~0), main_~x~0)); VAL [main_~IN~0=0.0, main_~x~0=0.0] [L14] COND TRUE !(~someBinaryFLOATComparisonOperation(main_~result~0, 0.0) && ~someBinaryFLOATComparisonOperation(main_~result~0, 1.39)) VAL [main_~IN~0=0.0, main_~x~0=0.0] [L15] assert false; VAL [main_~IN~0=0.0, main_~x~0=0.0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet1, main_~IN~0, main_~x~0, main_~result~0; [L6] main_~IN~0 := main_#t~nondet1; [L6] havoc main_#t~nondet1; [L7] assume 0 != (if ~someBinaryFLOATComparisonOperation(main_~IN~0, 0.0) && ~someBinaryFLOATComparisonOperation(main_~IN~0, 1.0) then 1 else 0); [L9] main_~x~0 := main_~IN~0; [L11-L12] main_~result~0 := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(1.0, ~someBinaryArithmeticFLOAToperation(0.5, main_~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.125, main_~x~0), main_~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0625, main_~x~0), main_~x~0), main_~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0390625, main_~x~0), main_~x~0), main_~x~0), main_~x~0)); VAL [main_~IN~0=0.0, main_~x~0=0.0] [L14] COND TRUE !(~someBinaryFLOATComparisonOperation(main_~result~0, 0.0) && ~someBinaryFLOATComparisonOperation(main_~result~0, 1.39)) VAL [main_~IN~0=0.0, main_~x~0=0.0] [L15] assert false; VAL [main_~IN~0=0.0, main_~x~0=0.0] [L6] ~IN~0 := #t~nondet1; [L6] havoc #t~nondet1; [L7] assume 0 != (if ~someBinaryFLOATComparisonOperation(~IN~0, 0.0) && ~someBinaryFLOATComparisonOperation(~IN~0, 1.0) then 1 else 0); [L9] ~x~0 := ~IN~0; [L11-L12] ~result~0 := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(1.0, ~someBinaryArithmeticFLOAToperation(0.5, ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.125, ~x~0), ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0625, ~x~0), ~x~0), ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0390625, ~x~0), ~x~0), ~x~0), ~x~0)); [L14] COND TRUE !(~someBinaryFLOATComparisonOperation(~result~0, 0.0) && ~someBinaryFLOATComparisonOperation(~result~0, 1.39)) [L15] assert false; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L6] ~IN~0 := #t~nondet1; [L6] havoc #t~nondet1; [L7] assume 0 != (if ~someBinaryFLOATComparisonOperation(~IN~0, 0.0) && ~someBinaryFLOATComparisonOperation(~IN~0, 1.0) then 1 else 0); [L9] ~x~0 := ~IN~0; [L11-L12] ~result~0 := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(1.0, ~someBinaryArithmeticFLOAToperation(0.5, ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.125, ~x~0), ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0625, ~x~0), ~x~0), ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0390625, ~x~0), ~x~0), ~x~0), ~x~0)); [L14] COND TRUE !(~someBinaryFLOATComparisonOperation(~result~0, 0.0) && ~someBinaryFLOATComparisonOperation(~result~0, 1.39)) [L15] assert false; [L6] float IN = __VERIFIER_nondet_float(); [L9] float x = IN; [L11-L12] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; [L14] COND TRUE !(result >= 0.0f && result < 1.39f) [L15] __VERIFIER_error() ----- [2018-11-23 15:35:48,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 03:35:48 ImpRootNode [2018-11-23 15:35:48,549 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 15:35:48,549 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:35:48,550 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:35:48,550 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:35:48,550 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:35:48" (3/4) ... [2018-11-23 15:35:48,553 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 15:35:48,554 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:35:48,554 INFO L168 Benchmark]: Toolchain (without parser) took 483.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.5 MB). Free memory was 953.8 MB in the beginning and 1.2 GB in the end (delta: -200.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:35:48,555 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:35:48,556 INFO L168 Benchmark]: CACSL2BoogieTranslator took 161.66 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:35:48,556 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.84 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:35:48,557 INFO L168 Benchmark]: Boogie Preprocessor took 10.19 ms. Allocated memory is still 1.0 GB. Free memory is still 940.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:35:48,557 INFO L168 Benchmark]: RCFGBuilder took 154.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.5 MB). Free memory was 940.3 MB in the beginning and 1.2 GB in the end (delta: -223.4 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-23 15:35:48,557 INFO L168 Benchmark]: CodeCheck took 132.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:35:48,558 INFO L168 Benchmark]: Witness Printer took 4.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:35:48,561 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 8 locations, 1 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 15]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 14, overapproximation of someBinaryArithmeticFLOAToperation at line 12. Possible FailurePath: [L6] float IN = __VERIFIER_nondet_float(); [L9] float x = IN; [L11-L12] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; [L14] COND TRUE !(result >= 0.0f && result < 1.39f) [L15] __VERIFIER_error() * 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 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 161.66 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.84 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.19 ms. Allocated memory is still 1.0 GB. Free memory is still 940.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 154.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.5 MB). Free memory was 940.3 MB in the beginning and 1.2 GB in the end (delta: -223.4 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * CodeCheck took 132.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 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 15:35:50,003 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:35:50,004 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:35:50,012 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:35:50,012 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:35:50,013 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:35:50,014 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:35:50,015 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:35:50,016 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:35:50,016 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:35:50,017 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:35:50,017 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:35:50,018 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:35:50,019 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:35:50,020 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:35:50,020 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:35:50,021 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:35:50,022 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:35:50,023 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:35:50,024 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:35:50,025 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:35:50,026 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:35:50,028 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:35:50,028 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:35:50,028 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:35:50,029 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:35:50,029 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:35:50,030 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:35:50,031 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:35:50,031 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:35:50,032 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:35:50,032 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:35:50,032 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:35:50,032 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:35:50,033 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:35:50,034 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:35:50,034 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b71b0ba5-214f-4555-97cd-8488686dde06/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-23 15:35:50,044 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:35:50,044 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:35:50,045 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:35:50,045 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 15:35:50,045 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 15:35:50,046 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 15:35:50,046 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:35:50,046 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:35:50,046 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:35:50,046 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:35:50,046 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:35:50,046 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:35:50,046 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:35:50,047 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 15:35:50,047 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 15:35:50,047 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:35:50,047 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:35:50,047 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:35:50,047 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:35:50,047 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 15:35:50,048 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 15:35:50,048 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:35:50,048 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:35:50,048 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 15:35:50,048 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:35:50,048 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:35:50,048 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:35:50,048 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-23 15:35:50,048 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 15:35:50,048 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:35:50,049 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 15:35:50,049 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 15:35:50,049 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_b71b0ba5-214f-4555-97cd-8488686dde06/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 -> 9b4984d971b5a5a3b565edf502e7d7464558f166 [2018-11-23 15:35:50,081 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:35:50,090 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:35:50,093 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:35:50,094 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:35:50,094 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:35:50,095 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b71b0ba5-214f-4555-97cd-8488686dde06/bin-2019/ukojak/../../sv-benchmarks/c/floats-cdfpl/square_1_false-unreach-call_true-termination.i [2018-11-23 15:35:50,139 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b71b0ba5-214f-4555-97cd-8488686dde06/bin-2019/ukojak/data/9b338b053/4693b9b16628461982ce8c82ce214784/FLAG7a34586c8 [2018-11-23 15:35:50,460 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:35:50,460 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b71b0ba5-214f-4555-97cd-8488686dde06/sv-benchmarks/c/floats-cdfpl/square_1_false-unreach-call_true-termination.i [2018-11-23 15:35:50,463 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b71b0ba5-214f-4555-97cd-8488686dde06/bin-2019/ukojak/data/9b338b053/4693b9b16628461982ce8c82ce214784/FLAG7a34586c8 [2018-11-23 15:35:50,472 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b71b0ba5-214f-4555-97cd-8488686dde06/bin-2019/ukojak/data/9b338b053/4693b9b16628461982ce8c82ce214784 [2018-11-23 15:35:50,475 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:35:50,476 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:35:50,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:35:50,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:35:50,479 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:35:50,480 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:35:50" (1/1) ... [2018-11-23 15:35:50,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@665ef8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:50, skipping insertion in model container [2018-11-23 15:35:50,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:35:50" (1/1) ... [2018-11-23 15:35:50,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:35:50,503 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:35:50,631 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:35:50,636 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:35:50,648 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:35:50,659 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:35:50,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:50 WrapperNode [2018-11-23 15:35:50,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:35:50,659 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:35:50,660 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:35:50,660 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:35:50,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:50" (1/1) ... [2018-11-23 15:35:50,669 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:50" (1/1) ... [2018-11-23 15:35:50,679 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:35:50,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:35:50,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:35:50,679 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:35:50,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:50" (1/1) ... [2018-11-23 15:35:50,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:50" (1/1) ... [2018-11-23 15:35:50,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:50" (1/1) ... [2018-11-23 15:35:50,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:50" (1/1) ... [2018-11-23 15:35:50,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:50" (1/1) ... [2018-11-23 15:35:50,691 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:50" (1/1) ... [2018-11-23 15:35:50,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:50" (1/1) ... [2018-11-23 15:35:50,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:35:50,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:35:50,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:35:50,698 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:35:50,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b71b0ba5-214f-4555-97cd-8488686dde06/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 15:35:50,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:35:50,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:35:57,388 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:35:57,388 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-23 15:35:57,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:35:57 BoogieIcfgContainer [2018-11-23 15:35:57,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:35:57,389 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 15:35:57,389 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 15:35:57,400 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 15:35:57,400 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:35:57" (1/1) ... [2018-11-23 15:35:57,409 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:35:57,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:35:57,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-11-23 15:35:57,433 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-11-23 15:35:57,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-23 15:35:57,435 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:35:57,468 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort FloatingPoint undefined [2018-11-23 15:36:07,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-11-23 15:36:07,709 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 15:36:07,711 INFO L168 Benchmark]: Toolchain (without parser) took 17236.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -163.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:36:07,712 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:36:07,713 INFO L168 Benchmark]: CACSL2BoogieTranslator took 182.63 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 939.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:36:07,714 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.38 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:36:07,715 INFO L168 Benchmark]: Boogie Preprocessor took 18.35 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 15:36:07,715 INFO L168 Benchmark]: RCFGBuilder took 6690.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -187.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2018-11-23 15:36:07,716 INFO L168 Benchmark]: CodeCheck took 10321.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-23 15:36:07,720 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 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 182.63 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 939.0 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 19.38 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.35 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 6690.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -187.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * CodeCheck took 10321.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...