java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1232a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 01:23:38,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 01:23:38,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 01:23:38,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 01:23:38,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 01:23:38,335 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 01:23:38,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 01:23:38,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 01:23:38,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 01:23:38,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 01:23:38,342 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 01:23:38,343 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 01:23:38,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 01:23:38,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 01:23:38,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 01:23:38,347 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 01:23:38,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 01:23:38,348 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 01:23:38,350 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 01:23:38,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 01:23:38,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 01:23:38,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 01:23:38,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 01:23:38,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 01:23:38,359 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 01:23:38,359 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 01:23:38,359 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 01:23:38,360 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 01:23:38,360 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 01:23:38,361 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 01:23:38,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 01:23:38,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 01:23:38,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 01:23:38,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 01:23:38,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 01:23:38,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 01:23:38,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 01:23:38,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 01:23:38,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 01:23:38,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 01:23:38,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 01:23:38,369 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-08 01:23:38,383 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 01:23:38,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 01:23:38,384 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 01:23:38,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 01:23:38,385 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 01:23:38,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 01:23:38,385 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 01:23:38,386 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 01:23:38,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 01:23:38,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 01:23:38,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 01:23:38,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 01:23:38,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 01:23:38,387 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 01:23:38,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 01:23:38,387 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 01:23:38,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 01:23:38,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 01:23:38,388 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 01:23:38,388 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 01:23:38,388 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 01:23:38,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 01:23:38,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 01:23:38,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 01:23:38,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 01:23:38,389 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 01:23:38,390 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 01:23:38,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 01:23:38,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 01:23:38,424 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 01:23:38,438 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 01:23:38,441 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 01:23:38,443 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 01:23:38,443 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 01:23:38,444 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1232a.c [2019-09-08 01:23:38,504 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c1f7f893/da5f23472fe949628d0979277842e7b2/FLAGa22c55d7a [2019-09-08 01:23:38,917 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 01:23:38,918 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1232a.c [2019-09-08 01:23:38,925 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c1f7f893/da5f23472fe949628d0979277842e7b2/FLAGa22c55d7a [2019-09-08 01:23:39,325 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c1f7f893/da5f23472fe949628d0979277842e7b2 [2019-09-08 01:23:39,336 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 01:23:39,338 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 01:23:39,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 01:23:39,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 01:23:39,342 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 01:23:39,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:23:39" (1/1) ... [2019-09-08 01:23:39,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e165503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:23:39, skipping insertion in model container [2019-09-08 01:23:39,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:23:39" (1/1) ... [2019-09-08 01:23:39,354 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 01:23:39,374 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 01:23:39,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:23:39,615 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 01:23:39,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:23:39,785 INFO L192 MainTranslator]: Completed translation [2019-09-08 01:23:39,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:23:39 WrapperNode [2019-09-08 01:23:39,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 01:23:39,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 01:23:39,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 01:23:39,787 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 01:23:39,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:23:39" (1/1) ... [2019-09-08 01:23:39,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:23:39" (1/1) ... [2019-09-08 01:23:39,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:23:39" (1/1) ... [2019-09-08 01:23:39,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:23:39" (1/1) ... [2019-09-08 01:23:39,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:23:39" (1/1) ... [2019-09-08 01:23:39,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:23:39" (1/1) ... [2019-09-08 01:23:39,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:23:39" (1/1) ... [2019-09-08 01:23:39,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 01:23:39,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 01:23:39,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 01:23:39,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 01:23:39,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:23:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2019-09-08 01:23:39,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 01:23:39,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 01:23:39,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2019-09-08 01:23:39,902 INFO L138 BoogieDeclarations]: Found implementation of procedure fmin_float [2019-09-08 01:23:39,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2019-09-08 01:23:39,903 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 01:23:39,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 01:23:39,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-08 01:23:39,903 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2019-09-08 01:23:39,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 01:23:39,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-08 01:23:39,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 01:23:39,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 01:23:39,904 INFO L130 BoogieDeclarations]: Found specification of procedure fmin_float [2019-09-08 01:23:39,905 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2019-09-08 01:23:39,905 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 01:23:39,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 01:23:39,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 01:23:39,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-08 01:23:39,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 01:23:40,248 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 01:23:40,248 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-08 01:23:40,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:23:40 BoogieIcfgContainer [2019-09-08 01:23:40,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 01:23:40,251 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 01:23:40,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 01:23:40,254 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 01:23:40,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 01:23:39" (1/3) ... [2019-09-08 01:23:40,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b20c7c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:23:40, skipping insertion in model container [2019-09-08 01:23:40,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:23:39" (2/3) ... [2019-09-08 01:23:40,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b20c7c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:23:40, skipping insertion in model container [2019-09-08 01:23:40,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:23:40" (3/3) ... [2019-09-08 01:23:40,257 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1232a.c [2019-09-08 01:23:40,267 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 01:23:40,277 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 01:23:40,294 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 01:23:40,325 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 01:23:40,325 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 01:23:40,325 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 01:23:40,325 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 01:23:40,326 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 01:23:40,326 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 01:23:40,326 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 01:23:40,326 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 01:23:40,326 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 01:23:40,343 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2019-09-08 01:23:40,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-09-08 01:23:40,349 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:23:40,350 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:23:40,352 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:23:40,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:23:40,358 INFO L82 PathProgramCache]: Analyzing trace with hash -411440866, now seen corresponding path program 1 times [2019-09-08 01:23:40,360 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:23:40,361 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:23:40,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:23:40,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:23:40,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:23:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 01:23:40,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 01:23:40,499 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 01:23:40,500 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-08 01:23:40,504 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-08 01:23:40,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-08 01:23:40,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 01:23:40,518 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 2 states. [2019-09-08 01:23:40,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 01:23:40,545 INFO L93 Difference]: Finished difference Result 79 states and 107 transitions. [2019-09-08 01:23:40,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-08 01:23:40,547 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2019-09-08 01:23:40,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 01:23:40,557 INFO L225 Difference]: With dead ends: 79 [2019-09-08 01:23:40,558 INFO L226 Difference]: Without dead ends: 40 [2019-09-08 01:23:40,562 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 01:23:40,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-09-08 01:23:40,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-09-08 01:23:40,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-09-08 01:23:40,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2019-09-08 01:23:40,608 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 48 transitions. Word has length 22 [2019-09-08 01:23:40,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 01:23:40,609 INFO L475 AbstractCegarLoop]: Abstraction has 40 states and 48 transitions. [2019-09-08 01:23:40,609 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-08 01:23:40,609 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2019-09-08 01:23:40,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-09-08 01:23:40,611 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:23:40,611 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:23:40,612 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:23:40,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:23:40,612 INFO L82 PathProgramCache]: Analyzing trace with hash 1480673795, now seen corresponding path program 1 times [2019-09-08 01:23:40,613 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:23:40,613 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:23:40,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:23:40,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:23:40,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:23:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 01:23:40,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 01:23:40,716 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 01:23:40,717 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 01:23:40,718 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 01:23:40,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 01:23:40,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 01:23:40,719 INFO L87 Difference]: Start difference. First operand 40 states and 48 transitions. Second operand 4 states. [2019-09-08 01:23:40,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 01:23:40,760 INFO L93 Difference]: Finished difference Result 59 states and 69 transitions. [2019-09-08 01:23:40,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-08 01:23:40,761 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2019-09-08 01:23:40,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 01:23:40,765 INFO L225 Difference]: With dead ends: 59 [2019-09-08 01:23:40,765 INFO L226 Difference]: Without dead ends: 44 [2019-09-08 01:23:40,767 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 01:23:40,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-09-08 01:23:40,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2019-09-08 01:23:40,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-09-08 01:23:40,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 53 transitions. [2019-09-08 01:23:40,783 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 53 transitions. Word has length 23 [2019-09-08 01:23:40,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 01:23:40,784 INFO L475 AbstractCegarLoop]: Abstraction has 44 states and 53 transitions. [2019-09-08 01:23:40,784 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 01:23:40,784 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2019-09-08 01:23:40,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-09-08 01:23:40,786 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:23:40,786 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:23:40,787 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:23:40,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:23:40,788 INFO L82 PathProgramCache]: Analyzing trace with hash 1766352133, now seen corresponding path program 1 times [2019-09-08 01:23:40,788 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:23:40,788 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:23:40,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:23:40,790 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:23:40,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:23:40,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 01:23:40,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 01:23:40,872 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 01:23:40,873 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 01:23:40,873 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 01:23:40,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 01:23:40,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 01:23:40,874 INFO L87 Difference]: Start difference. First operand 44 states and 53 transitions. Second operand 4 states. [2019-09-08 01:23:40,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 01:23:40,902 INFO L93 Difference]: Finished difference Result 63 states and 74 transitions. [2019-09-08 01:23:40,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-08 01:23:40,903 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2019-09-08 01:23:40,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 01:23:40,904 INFO L225 Difference]: With dead ends: 63 [2019-09-08 01:23:40,905 INFO L226 Difference]: Without dead ends: 48 [2019-09-08 01:23:40,905 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 01:23:40,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2019-09-08 01:23:40,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44. [2019-09-08 01:23:40,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-09-08 01:23:40,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 53 transitions. [2019-09-08 01:23:40,915 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 53 transitions. Word has length 26 [2019-09-08 01:23:40,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 01:23:40,915 INFO L475 AbstractCegarLoop]: Abstraction has 44 states and 53 transitions. [2019-09-08 01:23:40,916 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 01:23:40,916 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2019-09-08 01:23:40,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-09-08 01:23:40,917 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:23:40,917 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:23:40,918 INFO L418 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:23:40,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:23:40,918 INFO L82 PathProgramCache]: Analyzing trace with hash -30599226, now seen corresponding path program 1 times [2019-09-08 01:23:40,918 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:23:40,918 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:23:40,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:23:40,920 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:23:40,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:23:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:23:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:23:41,002 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 01:23:41,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 01:23:41 BoogieIcfgContainer [2019-09-08 01:23:41,055 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 01:23:41,058 INFO L168 Benchmark]: Toolchain (without parser) took 1719.31 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 88.7 MB in the beginning and 111.1 MB in the end (delta: -22.4 MB). Peak memory consumption was 44.7 MB. Max. memory is 7.1 GB. [2019-09-08 01:23:41,059 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 01:23:41,060 INFO L168 Benchmark]: CACSL2BoogieTranslator took 447.45 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 88.5 MB in the beginning and 176.9 MB in the end (delta: -88.5 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2019-09-08 01:23:41,061 INFO L168 Benchmark]: Boogie Preprocessor took 57.64 ms. Allocated memory is still 200.3 MB. Free memory was 176.9 MB in the beginning and 174.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-08 01:23:41,062 INFO L168 Benchmark]: RCFGBuilder took 405.27 ms. Allocated memory is still 200.3 MB. Free memory was 174.6 MB in the beginning and 155.5 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. [2019-09-08 01:23:41,063 INFO L168 Benchmark]: TraceAbstraction took 804.67 ms. Allocated memory is still 200.3 MB. Free memory was 155.5 MB in the beginning and 111.1 MB in the end (delta: 44.3 MB). Peak memory consumption was 44.3 MB. Max. memory is 7.1 GB. [2019-09-08 01:23:41,066 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 447.45 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 88.5 MB in the beginning and 176.9 MB in the end (delta: -88.5 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 57.64 ms. Allocated memory is still 200.3 MB. Free memory was 176.9 MB in the beginning and 174.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 405.27 ms. Allocated memory is still 200.3 MB. Free memory was 174.6 MB in the beginning and 155.5 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 804.67 ms. Allocated memory is still 200.3 MB. Free memory was 155.5 MB in the beginning and 111.1 MB in the end (delta: 44.3 MB). Peak memory consumption was 44.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 70]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 69, overapproximation of someUnaryFLOAToperation at line 65. Possible FailurePath: [L64] float x = 0.0f; [L65] float y = -0.0f; VAL [x=0] [L66] CALL, EXPR fmin_float(x, y) VAL [\old(x)=0, \old(y)=4286578692] [L36] CALL, EXPR __fpclassify_float(x) VAL [\old(x)=0] [L13] __uint32_t w; VAL [\old(x)=0, x=0] [L16] ieee_float_shape_type gf_u; [L17] gf_u.value = (x) [L18] EXPR gf_u.word [L18] (w) = gf_u.word [L21] COND FALSE !(w == 0x00000000 || w == 0x80000000) VAL [\old(x)=0, w=4286578689, x=0] [L23-L24] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) || (w >= 0x80800000 && w <= 0xff7fffff)) VAL [\old(x)=0, w=4286578689, x=0] [L26-L27] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) || (w >= 0x80000001 && w <= 0x807fffff)) VAL [\old(x)=0, w=4286578689, x=0] [L29] COND FALSE !(w == 0x7f800000 || w == 0xff800000) [L32] return 0; VAL [\old(x)=0, \result=0, w=4286578689, x=0] [L36] RET, EXPR __fpclassify_float(x) VAL [\old(x)=0, \old(y)=4286578692, __fpclassify_float(x)=0, x=0, y=4286578692] [L36] COND TRUE __fpclassify_float(x) == 0 [L37] return y; VAL [\old(x)=0, \old(y)=4286578692, \result=4286578692, x=0, y=4286578692] [L66] RET, EXPR fmin_float(x, y) VAL [fmin_float(x, y)=4286578692, x=0, y=4286578692] [L66] float res = fmin_float(x, y); [L69] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [res=4286578692, res == -0.0f && __signbit_float(res) == 1=0, x=0, y=4286578692] [L69] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L70] __VERIFIER_error() VAL [res=4286578692, x=0, y=4286578692] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 44 locations, 1 error locations. UNSAFE Result, 0.7s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 144 SDtfs, 0 SDslu, 172 SDs, 0 SdLazy, 17 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, traceCheckStatistics: No data available, 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: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 1926 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...