/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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_1051.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 17:19:42,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 17:19:42,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 17:19:42,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 17:19:42,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 17:19:42,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 17:19:42,687 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 17:19:42,689 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 17:19:42,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 17:19:42,692 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 17:19:42,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 17:19:42,695 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 17:19:42,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 17:19:42,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 17:19:42,698 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 17:19:42,699 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 17:19:42,700 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 17:19:42,701 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 17:19:42,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 17:19:42,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 17:19:42,707 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 17:19:42,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 17:19:42,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 17:19:42,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 17:19:42,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-19 17:19:42,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-19 17:19:42,727 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-19 17:19:42,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-19 17:19:42,728 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-19 17:19:42,729 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-19 17:19:42,729 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 17:19:42,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 17:19:42,731 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 17:19:42,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 17:19:42,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 17:19:42,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 17:19:42,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 17:19:42,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 17:19:42,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 17:19:42,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 17:19:42,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 17:19:42,737 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 [2021-02-19 17:19:42,764 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 17:19:42,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 17:19:42,765 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 17:19:42,765 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 17:19:42,766 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 17:19:42,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 17:19:42,766 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 17:19:42,766 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 17:19:42,766 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 17:19:42,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 17:19:42,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 17:19:42,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 17:19:42,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 17:19:42,767 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 17:19:42,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 17:19:42,768 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 17:19:42,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 17:19:42,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 17:19:42,768 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 17:19:42,769 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 17:19:42,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 17:19:42,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 17:19:42,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 17:19:42,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 17:19:42,770 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 17:19:42,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 17:19:42,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 17:19:42,770 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-19 17:19:42,770 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 17:19:43,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 17:19:43,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 17:19:43,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 17:19:43,152 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 17:19:43,153 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 17:19:43,154 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1051.c [2021-02-19 17:19:43,243 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1e011a72/1d366906538149e3a8a8c443aa0ca2a4/FLAGc4157a4fc [2021-02-19 17:19:43,889 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 17:19:43,889 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1051.c [2021-02-19 17:19:43,902 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1e011a72/1d366906538149e3a8a8c443aa0ca2a4/FLAGc4157a4fc [2021-02-19 17:19:44,257 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1e011a72/1d366906538149e3a8a8c443aa0ca2a4 [2021-02-19 17:19:44,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 17:19:44,273 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 17:19:44,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 17:19:44,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 17:19:44,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 17:19:44,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:19:44" (1/1) ... [2021-02-19 17:19:44,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@170f5677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:19:44, skipping insertion in model container [2021-02-19 17:19:44,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:19:44" (1/1) ... [2021-02-19 17:19:44,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 17:19:44,307 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 17:19:44,489 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1051.c[2106,2119] [2021-02-19 17:19:44,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:19:44,504 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 17:19:44,536 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1051.c[2106,2119] [2021-02-19 17:19:44,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:19:44,553 INFO L208 MainTranslator]: Completed translation [2021-02-19 17:19:44,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:19:44 WrapperNode [2021-02-19 17:19:44,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 17:19:44,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 17:19:44,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 17:19:44,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 17:19:44,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:19:44" (1/1) ... [2021-02-19 17:19:44,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:19:44" (1/1) ... [2021-02-19 17:19:44,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:19:44" (1/1) ... [2021-02-19 17:19:44,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:19:44" (1/1) ... [2021-02-19 17:19:44,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:19:44" (1/1) ... [2021-02-19 17:19:44,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:19:44" (1/1) ... [2021-02-19 17:19:44,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:19:44" (1/1) ... [2021-02-19 17:19:44,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 17:19:44,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 17:19:44,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 17:19:44,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 17:19:44,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:19:44" (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 [2021-02-19 17:19:44,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 17:19:44,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 17:19:44,708 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 17:19:44,709 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_double [2021-02-19 17:19:44,709 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2021-02-19 17:19:44,709 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 17:19:44,709 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 17:19:44,709 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 17:19:44,710 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 17:19:44,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 17:19:44,710 INFO L130 BoogieDeclarations]: Found specification of procedure floor_double [2021-02-19 17:19:44,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-02-19 17:19:44,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 17:19:44,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 17:19:44,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 17:19:44,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-02-19 17:19:44,711 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2021-02-19 17:19:44,711 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 17:19:44,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 17:19:44,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 17:19:44,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 17:19:45,235 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 17:19:45,235 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-02-19 17:19:45,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:19:45 BoogieIcfgContainer [2021-02-19 17:19:45,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 17:19:45,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 17:19:45,240 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 17:19:45,243 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 17:19:45,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 05:19:44" (1/3) ... [2021-02-19 17:19:45,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54560b0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:19:45, skipping insertion in model container [2021-02-19 17:19:45,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:19:44" (2/3) ... [2021-02-19 17:19:45,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54560b0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:19:45, skipping insertion in model container [2021-02-19 17:19:45,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:19:45" (3/3) ... [2021-02-19 17:19:45,247 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1051.c [2021-02-19 17:19:45,255 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 17:19:45,260 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 17:19:45,280 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 17:19:45,309 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 17:19:45,309 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 17:19:45,309 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 17:19:45,310 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 17:19:45,310 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 17:19:45,310 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 17:19:45,310 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 17:19:45,310 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 17:19:45,401 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2021-02-19 17:19:45,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-02-19 17:19:45,414 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:19:45,415 INFO L422 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] [2021-02-19 17:19:45,415 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:19:45,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:19:45,422 INFO L82 PathProgramCache]: Analyzing trace with hash -763354016, now seen corresponding path program 1 times [2021-02-19 17:19:45,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:19:45,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71441964] [2021-02-19 17:19:45,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:19:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:19:45,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:19:45,710 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:19:45,711 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:19:45,712 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:19:45,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:19:45,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:19:45,818 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:19:45,820 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:19:45,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:19:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:19:45,852 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:19:45,853 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:19:45,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:19:45,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:19:45,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-02-19 17:19:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:19:45,877 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:19:45,879 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:19:45,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 17:19:45,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71441964] [2021-02-19 17:19:45,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:19:45,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 17:19:45,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986179282] [2021-02-19 17:19:45,892 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 17:19:45,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:19:45,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 17:19:45,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-19 17:19:45,909 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 4 states. [2021-02-19 17:19:46,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:19:46,146 INFO L93 Difference]: Finished difference Result 86 states and 124 transitions. [2021-02-19 17:19:46,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 17:19:46,147 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2021-02-19 17:19:46,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:19:46,158 INFO L225 Difference]: With dead ends: 86 [2021-02-19 17:19:46,158 INFO L226 Difference]: Without dead ends: 43 [2021-02-19 17:19:46,161 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-19 17:19:46,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-02-19 17:19:46,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-02-19 17:19:46,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2021-02-19 17:19:46,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 57 transitions. [2021-02-19 17:19:46,205 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 57 transitions. Word has length 23 [2021-02-19 17:19:46,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:19:46,206 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 57 transitions. [2021-02-19 17:19:46,206 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-19 17:19:46,206 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2021-02-19 17:19:46,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-02-19 17:19:46,207 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:19:46,208 INFO L422 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] [2021-02-19 17:19:46,208 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 17:19:46,208 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:19:46,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:19:46,209 INFO L82 PathProgramCache]: Analyzing trace with hash -934495617, now seen corresponding path program 1 times [2021-02-19 17:19:46,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:19:46,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053586904] [2021-02-19 17:19:46,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:19:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-19 17:19:46,257 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-19 17:19:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-19 17:19:46,292 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-19 17:19:46,322 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-02-19 17:19:46,323 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-19 17:19:46,324 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 17:19:46,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 05:19:46 BoogieIcfgContainer [2021-02-19 17:19:46,362 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 17:19:46,363 INFO L168 Benchmark]: Toolchain (without parser) took 2100.98 ms. Allocated memory is still 153.1 MB. Free memory was 128.2 MB in the beginning and 83.5 MB in the end (delta: 44.7 MB). Peak memory consumption was 44.4 MB. Max. memory is 8.0 GB. [2021-02-19 17:19:46,366 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 153.1 MB. Free memory is still 125.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 17:19:46,367 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.06 ms. Allocated memory is still 153.1 MB. Free memory was 127.0 MB in the beginning and 116.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-02-19 17:19:46,368 INFO L168 Benchmark]: Boogie Preprocessor took 59.70 ms. Allocated memory is still 153.1 MB. Free memory was 116.5 MB in the beginning and 114.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-19 17:19:46,369 INFO L168 Benchmark]: RCFGBuilder took 622.05 ms. Allocated memory is still 153.1 MB. Free memory was 114.6 MB in the beginning and 93.6 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-02-19 17:19:46,370 INFO L168 Benchmark]: TraceAbstraction took 1122.27 ms. Allocated memory is still 153.1 MB. Free memory was 93.2 MB in the beginning and 83.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.8 MB. Max. memory is 8.0 GB. [2021-02-19 17:19:46,376 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 153.1 MB. Free memory is still 125.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 279.06 ms. Allocated memory is still 153.1 MB. Free memory was 127.0 MB in the beginning and 116.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 59.70 ms. Allocated memory is still 153.1 MB. Free memory was 116.5 MB in the beginning and 114.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 622.05 ms. Allocated memory is still 153.1 MB. Free memory was 114.6 MB in the beginning and 93.6 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1122.27 ms. Allocated memory is still 153.1 MB. Free memory was 93.2 MB in the beginning and 83.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 95]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of shiftRight at line 39, overapproximation of bitwiseOr at line 40, overapproximation of someBinaryArithmeticDOUBLEoperation at line 90, overapproximation of bitwiseAnd at line 27, overapproximation of someBinaryDOUBLEComparisonOperation at line 82. Possible FailurePath: [L16] static const double huge_floor = 1.0e300; VAL [\old(huge_floor)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L90] double x = 0.0 / 0.0; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L91] CALL, EXPR floor_double(x) VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L19] __int32_t i0, i1, j0; [L20] __uint32_t i, j; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010] [L22] ieee_double_shape_type ew_u; [L23] ew_u.value = (x) [L24] EXPR ew_u.parts.msw [L24] (i0) = ew_u.parts.msw [L25] EXPR ew_u.parts.lsw [L25] (i1) = ew_u.parts.lsw [L27] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-2, i1=-1, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010] [L28] COND TRUE j0 < 20 VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-2, i1=-1, j0=0, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010] [L29] COND FALSE !(j0 < 0) [L39] i = (0x000fffff) >> j0 VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-2, i1=-1, j0=0, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010] [L40] COND TRUE ((i0 & i) | i1) == 0 [L41] return x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, \result=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-2, i1=-1, j0=0, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010] [L91] RET, EXPR floor_double(x) VAL [floor_double(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010] [L91] double res = floor_double(x); [L94] CALL, EXPR isnan_double(res) VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L82] return x != x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, \result=0, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010] [L94] RET, EXPR isnan_double(res) VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, isnan_double(res)=0, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010] [L94] COND TRUE !isnan_double(res) [L95] reach_error() VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 59 SDtfs, 8 SDslu, 51 SDs, 0 SdLazy, 57 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 1474 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...