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/double_req_bl_1092a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 01:21:12,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 01:21:12,889 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 01:21:12,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 01:21:12,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 01:21:12,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 01:21:12,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 01:21:12,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 01:21:12,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 01:21:12,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 01:21:12,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 01:21:12,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 01:21:12,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 01:21:12,911 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 01:21:12,912 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 01:21:12,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 01:21:12,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 01:21:12,915 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 01:21:12,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 01:21:12,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 01:21:12,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 01:21:12,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 01:21:12,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 01:21:12,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 01:21:12,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-08 01:21:12,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 01:21:12,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 01:21:12,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 01:21:12,944 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 01:21:12,958 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 01:21:12,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 01:21:12,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 01:21:12,960 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 01:21:12,960 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 01:21:12,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 01:21:12,960 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 01:21:12,961 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 01:21:12,961 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 01:21:12,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 01:21:12,961 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 01:21:12,961 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 01:21:12,962 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 01:21:12,962 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 01:21:12,962 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 01:21:12,962 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 01:21:12,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 01:21:12,963 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 01:21:12,963 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 01:21:12,963 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 01:21:12,963 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 01:21:12,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 01:21:12,964 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 01:21:12,964 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 01:21:12,964 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 01:21:12,964 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 01:21:12,965 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 01:21:12,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 01:21:12,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 01:21:12,994 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 01:21:13,007 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 01:21:13,010 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 01:21:13,012 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 01:21:13,012 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 01:21:13,013 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1092a.c [2019-09-08 01:21:13,090 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32b2a0f22/91713de80b2d417a8d21b23e60dd8fff/FLAG122cd2497 [2019-09-08 01:21:13,573 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 01:21:13,576 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1092a.c [2019-09-08 01:21:13,589 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32b2a0f22/91713de80b2d417a8d21b23e60dd8fff/FLAG122cd2497 [2019-09-08 01:21:13,903 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32b2a0f22/91713de80b2d417a8d21b23e60dd8fff [2019-09-08 01:21:13,913 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 01:21:13,915 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 01:21:13,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 01:21:13,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 01:21:13,919 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 01:21:13,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:21:13" (1/1) ... [2019-09-08 01:21:13,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64a01335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:13, skipping insertion in model container [2019-09-08 01:21:13,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:21:13" (1/1) ... [2019-09-08 01:21:13,928 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 01:21:13,947 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 01:21:14,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:21:14,159 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 01:21:14,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:21:14,309 INFO L192 MainTranslator]: Completed translation [2019-09-08 01:21:14,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:14 WrapperNode [2019-09-08 01:21:14,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 01:21:14,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 01:21:14,312 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 01:21:14,312 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 01:21:14,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:14" (1/1) ... [2019-09-08 01:21:14,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:14" (1/1) ... [2019-09-08 01:21:14,333 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:14" (1/1) ... [2019-09-08 01:21:14,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:14" (1/1) ... [2019-09-08 01:21:14,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:14" (1/1) ... [2019-09-08 01:21:14,352 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:14" (1/1) ... [2019-09-08 01:21:14,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:14" (1/1) ... [2019-09-08 01:21:14,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 01:21:14,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 01:21:14,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 01:21:14,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 01:21:14,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:14" (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 01:21:14,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 01:21:14,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 01:21:14,411 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2019-09-08 01:21:14,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ceil_double [2019-09-08 01:21:14,411 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 01:21:14,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 01:21:14,411 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2019-09-08 01:21:14,411 INFO L130 BoogieDeclarations]: Found specification of procedure ceil_double [2019-09-08 01:21:14,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 01:21:14,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-08 01:21:14,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 01:21:14,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 01:21:14,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 01:21:14,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-08 01:21:14,412 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 01:21:14,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 01:21:14,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 01:21:14,803 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 01:21:14,804 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-08 01:21:14,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:21:14 BoogieIcfgContainer [2019-09-08 01:21:14,805 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 01:21:14,806 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 01:21:14,806 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 01:21:14,809 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 01:21:14,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 01:21:13" (1/3) ... [2019-09-08 01:21:14,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b10831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:21:14, skipping insertion in model container [2019-09-08 01:21:14,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:21:14" (2/3) ... [2019-09-08 01:21:14,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b10831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:21:14, skipping insertion in model container [2019-09-08 01:21:14,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:21:14" (3/3) ... [2019-09-08 01:21:14,813 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092a.c [2019-09-08 01:21:14,823 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 01:21:14,832 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 01:21:14,856 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 01:21:14,890 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 01:21:14,891 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 01:21:14,891 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 01:21:14,891 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 01:21:14,891 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 01:21:14,891 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 01:21:14,891 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 01:21:14,891 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 01:21:14,892 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 01:21:14,908 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2019-09-08 01:21:14,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-09-08 01:21:14,913 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:21:14,914 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:21:14,916 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:21:14,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:21:14,921 INFO L82 PathProgramCache]: Analyzing trace with hash -321966810, now seen corresponding path program 1 times [2019-09-08 01:21:14,923 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:21:14,923 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:21:14,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:21:14,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:21:14,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:21:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 01:21:15,052 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 01:21:15,055 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 01:21:15,055 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-08 01:21:15,059 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-08 01:21:15,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-08 01:21:15,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 01:21:15,077 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2019-09-08 01:21:15,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 01:21:15,100 INFO L93 Difference]: Finished difference Result 76 states and 114 transitions. [2019-09-08 01:21:15,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-08 01:21:15,102 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-09-08 01:21:15,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 01:21:15,112 INFO L225 Difference]: With dead ends: 76 [2019-09-08 01:21:15,112 INFO L226 Difference]: Without dead ends: 38 [2019-09-08 01:21:15,115 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 01:21:15,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-09-08 01:21:15,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2019-09-08 01:21:15,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-09-08 01:21:15,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2019-09-08 01:21:15,159 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 18 [2019-09-08 01:21:15,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 01:21:15,160 INFO L475 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2019-09-08 01:21:15,160 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-08 01:21:15,160 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2019-09-08 01:21:15,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-09-08 01:21:15,161 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:21:15,161 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:21:15,163 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:21:15,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:21:15,163 INFO L82 PathProgramCache]: Analyzing trace with hash 422703747, now seen corresponding path program 1 times [2019-09-08 01:21:15,163 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:21:15,164 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:21:15,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:21:15,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:21:15,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:21:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:21:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:21:15,276 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 01:21:15,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 01:21:15 BoogieIcfgContainer [2019-09-08 01:21:15,305 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 01:21:15,308 INFO L168 Benchmark]: Toolchain (without parser) took 1391.87 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 86.4 MB in the beginning and 127.6 MB in the end (delta: -41.2 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. [2019-09-08 01:21:15,309 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 01:21:15,310 INFO L168 Benchmark]: CACSL2BoogieTranslator took 395.02 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 86.2 MB in the beginning and 176.4 MB in the end (delta: -90.2 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-09-08 01:21:15,311 INFO L168 Benchmark]: Boogie Preprocessor took 45.76 ms. Allocated memory is still 198.7 MB. Free memory was 176.4 MB in the beginning and 174.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-08 01:21:15,311 INFO L168 Benchmark]: RCFGBuilder took 447.97 ms. Allocated memory is still 198.7 MB. Free memory was 174.1 MB in the beginning and 153.1 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2019-09-08 01:21:15,312 INFO L168 Benchmark]: TraceAbstraction took 499.00 ms. Allocated memory is still 198.7 MB. Free memory was 152.4 MB in the beginning and 127.6 MB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2019-09-08 01:21:15,316 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 395.02 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 86.2 MB in the beginning and 176.4 MB in the end (delta: -90.2 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.76 ms. Allocated memory is still 198.7 MB. Free memory was 176.4 MB in the beginning and 174.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 447.97 ms. Allocated memory is still 198.7 MB. Free memory was 174.1 MB in the beginning and 153.1 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 499.00 ms. Allocated memory is still 198.7 MB. Free memory was 152.4 MB in the beginning and 127.6 MB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 96]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of shiftRight at line 41, overapproximation of bitwiseOr at line 42, overapproximation of someUnaryDOUBLEoperation at line 91, overapproximation of bitwiseAnd at line 28, overapproximation of someBinaryDOUBLEComparisonOperation at line 95. Possible FailurePath: [L17] static const double huge_ceil = 1.0e300; VAL [\old(huge_ceil)=4294967301, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L91] double x = -0.0; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L92] CALL, EXPR ceil_double(x) VAL [\old(x)=4294967302, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L20] __int32_t i0, i1, j0; [L21] __uint32_t i, j; VAL [\old(x)=4294967302, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=4294967302] [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (i0) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (i1) = ew_u.parts.lsw [L28] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=4294967302, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1, i1=2, x=4294967302] [L29] COND TRUE j0 < 20 VAL [\old(x)=4294967302, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1, i1=2, j0=0, x=4294967302] [L30] COND FALSE !(j0 < 0) [L41] i = (0x000fffff) >> j0 VAL [\old(x)=4294967302, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1, i1=2, j0=0, x=4294967302] [L42] COND TRUE ((i0 & i) | i1) == 0 [L43] return x; VAL [\old(x)=4294967302, \result=4294967302, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1, i1=2, j0=0, x=4294967302] [L92] RET, EXPR ceil_double(x) VAL [ceil_double(x)=4294967302, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=4294967302] [L92] double res = ceil_double(x); [L95] COND TRUE res != x VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=4294967302, x=4294967302] [L96] __VERIFIER_error() VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=4294967302, x=4294967302] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 45 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 56 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...