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_0662a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 01:20:00,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 01:20:00,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 01:20:00,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 01:20:00,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 01:20:00,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 01:20:00,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 01:20:00,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 01:20:00,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 01:20:00,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 01:20:00,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 01:20:00,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 01:20:00,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 01:20:00,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 01:20:00,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 01:20:00,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 01:20:00,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 01:20:00,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 01:20:00,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 01:20:00,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 01:20:00,289 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 01:20:00,290 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 01:20:00,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 01:20:00,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 01:20:00,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-08 01:20:00,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 01:20:00,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 01:20:00,301 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 01:20:00,302 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 01:20:00,303 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 01:20:00,303 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 01:20:00,305 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 01:20:00,305 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 01:20:00,305 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 01:20:00,307 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 01:20:00,308 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 01:20:00,310 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 01:20:00,338 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 01:20:00,339 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 01:20:00,340 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 01:20:00,340 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 01:20:00,341 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 01:20:00,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 01:20:00,341 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 01:20:00,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 01:20:00,342 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 01:20:00,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 01:20:00,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 01:20:00,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 01:20:00,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 01:20:00,343 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 01:20:00,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 01:20:00,343 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 01:20:00,343 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 01:20:00,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 01:20:00,344 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 01:20:00,344 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 01:20:00,344 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 01:20:00,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 01:20:00,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 01:20:00,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 01:20:00,345 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 01:20:00,345 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 01:20:00,345 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 01:20:00,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 01:20:00,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 01:20:00,398 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 01:20:00,415 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 01:20:00,419 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 01:20:00,420 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 01:20:00,420 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 01:20:00,421 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0662a.c [2019-09-08 01:20:00,496 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8f0553e3/73a68b5d530445cb9552d29d902add51/FLAG685be5242 [2019-09-08 01:20:00,985 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 01:20:00,988 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0662a.c [2019-09-08 01:20:00,999 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8f0553e3/73a68b5d530445cb9552d29d902add51/FLAG685be5242 [2019-09-08 01:20:01,331 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8f0553e3/73a68b5d530445cb9552d29d902add51 [2019-09-08 01:20:01,339 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 01:20:01,341 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 01:20:01,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 01:20:01,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 01:20:01,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 01:20:01,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:20:01" (1/1) ... [2019-09-08 01:20:01,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@334b89ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:20:01, skipping insertion in model container [2019-09-08 01:20:01,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:20:01" (1/1) ... [2019-09-08 01:20:01,357 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 01:20:01,395 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 01:20:01,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:20:01,777 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 01:20:01,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:20:01,882 INFO L192 MainTranslator]: Completed translation [2019-09-08 01:20:01,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:20:01 WrapperNode [2019-09-08 01:20:01,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 01:20:01,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 01:20:01,884 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 01:20:01,884 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 01:20:01,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:20:01" (1/1) ... [2019-09-08 01:20:01,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:20:01" (1/1) ... [2019-09-08 01:20:01,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:20:01" (1/1) ... [2019-09-08 01:20:01,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:20:01" (1/1) ... [2019-09-08 01:20:01,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:20:01" (1/1) ... [2019-09-08 01:20:01,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:20:01" (1/1) ... [2019-09-08 01:20:01,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:20:01" (1/1) ... [2019-09-08 01:20:01,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 01:20:01,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 01:20:01,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 01:20:01,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 01:20:01,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:20:01" (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 01:20:02,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 01:20:02,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 01:20:02,005 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2019-09-08 01:20:02,005 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2019-09-08 01:20:02,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2 [2019-09-08 01:20:02,006 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 01:20:02,006 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 01:20:02,006 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-09-08 01:20:02,006 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2019-09-08 01:20:02,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 01:20:02,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-08 01:20:02,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 01:20:02,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 01:20:02,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 01:20:02,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-08 01:20:02,008 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2019-09-08 01:20:02,011 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2 [2019-09-08 01:20:02,011 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 01:20:02,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 01:20:02,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-09-08 01:20:02,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 01:20:02,673 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 01:20:02,673 INFO L283 CfgBuilder]: Removed 16 assume(true) statements. [2019-09-08 01:20:02,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:20:02 BoogieIcfgContainer [2019-09-08 01:20:02,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 01:20:02,676 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 01:20:02,676 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 01:20:02,679 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 01:20:02,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 01:20:01" (1/3) ... [2019-09-08 01:20:02,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d563858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:20:02, skipping insertion in model container [2019-09-08 01:20:02,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:20:01" (2/3) ... [2019-09-08 01:20:02,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d563858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:20:02, skipping insertion in model container [2019-09-08 01:20:02,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:20:02" (3/3) ... [2019-09-08 01:20:02,683 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0662a.c [2019-09-08 01:20:02,692 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 01:20:02,700 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 01:20:02,718 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 01:20:02,747 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 01:20:02,747 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 01:20:02,748 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 01:20:02,748 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 01:20:02,748 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 01:20:02,748 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 01:20:02,748 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 01:20:02,748 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 01:20:02,749 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 01:20:02,766 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2019-09-08 01:20:02,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-09-08 01:20:02,771 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:20:02,772 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 01:20:02,774 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:20:02,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:20:02,779 INFO L82 PathProgramCache]: Analyzing trace with hash -1380022172, now seen corresponding path program 1 times [2019-09-08 01:20:02,780 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:20:02,781 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:20:02,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:20:02,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:20:02,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:20:02,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 01:20:02,944 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 01:20:02,946 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 01:20:02,949 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-08 01:20:02,953 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-08 01:20:02,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-08 01:20:02,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 01:20:02,969 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 2 states. [2019-09-08 01:20:03,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 01:20:03,007 INFO L93 Difference]: Finished difference Result 197 states and 314 transitions. [2019-09-08 01:20:03,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-08 01:20:03,009 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-09-08 01:20:03,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 01:20:03,020 INFO L225 Difference]: With dead ends: 197 [2019-09-08 01:20:03,020 INFO L226 Difference]: Without dead ends: 98 [2019-09-08 01:20:03,025 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 01:20:03,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2019-09-08 01:20:03,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2019-09-08 01:20:03,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2019-09-08 01:20:03,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 137 transitions. [2019-09-08 01:20:03,074 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 137 transitions. Word has length 19 [2019-09-08 01:20:03,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 01:20:03,075 INFO L475 AbstractCegarLoop]: Abstraction has 98 states and 137 transitions. [2019-09-08 01:20:03,075 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-08 01:20:03,075 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 137 transitions. [2019-09-08 01:20:03,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-09-08 01:20:03,076 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:20:03,077 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] [2019-09-08 01:20:03,077 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:20:03,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:20:03,078 INFO L82 PathProgramCache]: Analyzing trace with hash 959017453, now seen corresponding path program 1 times [2019-09-08 01:20:03,078 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:20:03,078 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:20:03,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:20:03,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:20:03,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:20:03,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:20:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:20:03,394 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 01:20:03,424 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967308 could not be translated for associated CType ARRAY#_4_~DOUBLE# [2019-09-08 01:20:03,425 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967301 could not be translated for associated CType ARRAY#_4_~DOUBLE# [2019-09-08 01:20:03,425 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967306 could not be translated for associated CType ARRAY#_11_~DOUBLE# [2019-09-08 01:20:03,425 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967315 could not be translated for associated CType ARRAY#_4_~DOUBLE# [2019-09-08 01:20:03,426 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967326 could not be translated for associated CType ARRAY#_4_~DOUBLE# [2019-09-08 01:20:03,426 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967310 could not be translated for associated CType ARRAY#_11_~DOUBLE# [2019-09-08 01:20:03,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 01:20:03 BoogieIcfgContainer [2019-09-08 01:20:03,443 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 01:20:03,445 INFO L168 Benchmark]: Toolchain (without parser) took 2103.82 ms. Allocated memory was 138.9 MB in the beginning and 198.2 MB in the end (delta: 59.2 MB). Free memory was 86.7 MB in the beginning and 82.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 63.0 MB. Max. memory is 7.1 GB. [2019-09-08 01:20:03,446 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 138.9 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 01:20:03,447 INFO L168 Benchmark]: CACSL2BoogieTranslator took 541.78 ms. Allocated memory was 138.9 MB in the beginning and 198.2 MB in the end (delta: 59.2 MB). Free memory was 86.5 MB in the beginning and 170.9 MB in the end (delta: -84.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-09-08 01:20:03,448 INFO L168 Benchmark]: Boogie Preprocessor took 71.37 ms. Allocated memory is still 198.2 MB. Free memory was 170.9 MB in the beginning and 167.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-09-08 01:20:03,448 INFO L168 Benchmark]: RCFGBuilder took 719.70 ms. Allocated memory is still 198.2 MB. Free memory was 167.2 MB in the beginning and 125.5 MB in the end (delta: 41.7 MB). Peak memory consumption was 41.7 MB. Max. memory is 7.1 GB. [2019-09-08 01:20:03,449 INFO L168 Benchmark]: TraceAbstraction took 767.11 ms. Allocated memory is still 198.2 MB. Free memory was 125.5 MB in the beginning and 82.9 MB in the end (delta: 42.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 7.1 GB. [2019-09-08 01:20:03,453 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 ms. Allocated memory is still 138.9 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 541.78 ms. Allocated memory was 138.9 MB in the beginning and 198.2 MB in the end (delta: 59.2 MB). Free memory was 86.5 MB in the beginning and 170.9 MB in the end (delta: -84.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 71.37 ms. Allocated memory is still 198.2 MB. Free memory was 170.9 MB in the beginning and 167.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 719.70 ms. Allocated memory is still 198.2 MB. Free memory was 167.2 MB in the beginning and 125.5 MB in the end (delta: 41.7 MB). Peak memory consumption was 41.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 767.11 ms. Allocated memory is still 198.2 MB. Free memory was 125.5 MB in the beginning and 82.9 MB in the end (delta: 42.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967308 could not be translated for associated CType ARRAY#_4_~DOUBLE# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967301 could not be translated for associated CType ARRAY#_4_~DOUBLE# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967306 could not be translated for associated CType ARRAY#_11_~DOUBLE# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967315 could not be translated for associated CType ARRAY#_4_~DOUBLE# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967326 could not be translated for associated CType ARRAY#_4_~DOUBLE# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967310 could not be translated for associated CType ARRAY#_11_~DOUBLE# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 260]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 162, overapproximation of someUnaryDOUBLEoperation at line 251, overapproximation of bitwiseAnd at line 160, overapproximation of someBinaryArithmeticDOUBLEoperation at line 163, overapproximation of someBinaryDOUBLEComparisonOperation at line 259. Possible FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L60-L62] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L139-L140] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [\old(aT_atan)=null, \old(aT_atan)=null, \old(atanhi_atan)=null, \old(atanhi_atan)=null, \old(atanlo_atan)=null, \old(atanlo_atan)=null, \old(huge_atan)=4294967323, \old(one_atan)=4294967311, \old(pi)=4294967318, \old(pi_lo_atan2)=4294967309, \old(pi_o_2)=4294967300, \old(pi_o_4)=4294967313, \old(tiny_atan2)=4294967325, \old(zero_atan2)=4294967305, aT_atan={-1:0}, atanhi_atan={-2:0}, atanlo_atan={-5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L251] double x = -0.0; [L252] double y = __VERIFIER_nondet_double(); [L254] COND TRUE y < 0.0 VAL [aT_atan={-1:0}, atanhi_atan={-2:0}, atanlo_atan={-5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, y=4294967324, zero_atan2=0] [L256] CALL, EXPR __ieee754_atan2(y, x) VAL [\old(x)=4294967314, \old(y)=4294967324, aT_atan={-1:0}, atanhi_atan={-2:0}, atanlo_atan={-5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [\old(x)=4294967314, \old(y)=4294967324, aT_atan={-1:0}, atanhi_atan={-2:0}, atanlo_atan={-5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=4294967314, y=4294967324, zero_atan2=0] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [\old(x)=4294967314, \old(y)=4294967324, aT_atan={-1:0}, atanhi_atan={-2:0}, atanlo_atan={-5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-3, lx=4294967319, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=4294967314, y=4294967324, zero_atan2=0] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [\old(x)=4294967314, \old(y)=4294967324, aT_atan={-1:0}, atanhi_atan={-2:0}, atanlo_atan={-5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-3, hy=3, lx=4294967319, ly=4294967302, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=4294967314, y=4294967324, zero_atan2=0] [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; VAL [\old(x)=4294967314, \old(y)=4294967324, aT_atan={-1:0}, atanhi_atan={-2:0}, atanlo_atan={-5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-3, hy=3, lx=4294967319, ly=4294967302, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=4294967314, y=4294967324, zero_atan2=0] [L256] RET, EXPR __ieee754_atan2(y, x) VAL [__ieee754_atan2(y, x)=4294967317, aT_atan={-1:0}, atanhi_atan={-2:0}, atanlo_atan={-5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=4294967314, y=4294967324, zero_atan2=0] [L256] double res = __ieee754_atan2(y, x); [L259] COND TRUE res != -pi_o_2 VAL [aT_atan={-1:0}, atanhi_atan={-2:0}, atanlo_atan={-5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=4294967317, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=4294967314, y=4294967324, zero_atan2=0] [L260] __VERIFIER_error() VAL [aT_atan={-1:0}, atanhi_atan={-2:0}, atanlo_atan={-5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=4294967317, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=4294967314, y=4294967324, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 103 locations, 1 error locations. UNSAFE Result, 0.7s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 143 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=103occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 324 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...