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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 13:47:32,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 13:47:32,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 13:47:32,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 13:47:32,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 13:47:32,399 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 13:47:32,400 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 13:47:32,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 13:47:32,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 13:47:32,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 13:47:32,419 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 13:47:32,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 13:47:32,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 13:47:32,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 13:47:32,425 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 13:47:32,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 13:47:32,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 13:47:32,428 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 13:47:32,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 13:47:32,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 13:47:32,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 13:47:32,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 13:47:32,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 13:47:32,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 13:47:32,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 13:47:32,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 13:47:32,448 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 13:47:32,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 13:47:32,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 13:47:32,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 13:47:32,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 13:47:32,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 13:47:32,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 13:47:32,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 13:47:32,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 13:47:32,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 13:47:32,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 13:47:32,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 13:47:32,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 13:47:32,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 13:47:32,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 13:47:32,457 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 [2019-10-07 13:47:32,470 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 13:47:32,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 13:47:32,471 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 13:47:32,472 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 13:47:32,472 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 13:47:32,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 13:47:32,472 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 13:47:32,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 13:47:32,473 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 13:47:32,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 13:47:32,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 13:47:32,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 13:47:32,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 13:47:32,473 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 13:47:32,474 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 13:47:32,474 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 13:47:32,474 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 13:47:32,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 13:47:32,474 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 13:47:32,475 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 13:47:32,475 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 13:47:32,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 13:47:32,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 13:47:32,475 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 13:47:32,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 13:47:32,476 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 13:47:32,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 13:47:32,476 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 13:47:32,476 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 13:47:32,756 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 13:47:32,772 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 13:47:32,776 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 13:47:32,777 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 13:47:32,778 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 13:47:32,779 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i [2019-10-07 13:47:32,853 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53a759d85/f143d39b736c49b6ae9e140cf66d254e/FLAGff297c3bb [2019-10-07 13:47:33,371 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 13:47:33,372 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i [2019-10-07 13:47:33,382 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53a759d85/f143d39b736c49b6ae9e140cf66d254e/FLAGff297c3bb [2019-10-07 13:47:33,697 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53a759d85/f143d39b736c49b6ae9e140cf66d254e [2019-10-07 13:47:33,709 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 13:47:33,711 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 13:47:33,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 13:47:33,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 13:47:33,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 13:47:33,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 01:47:33" (1/1) ... [2019-10-07 13:47:33,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a78272c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:47:33, skipping insertion in model container [2019-10-07 13:47:33,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 01:47:33" (1/1) ... [2019-10-07 13:47:33,724 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 13:47:33,743 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 13:47:33,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 13:47:34,001 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 13:47:34,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 13:47:34,201 INFO L192 MainTranslator]: Completed translation [2019-10-07 13:47:34,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:47:34 WrapperNode [2019-10-07 13:47:34,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 13:47:34,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 13:47:34,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 13:47:34,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 13:47:34,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:47:34" (1/1) ... [2019-10-07 13:47:34,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:47:34" (1/1) ... [2019-10-07 13:47:34,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:47:34" (1/1) ... [2019-10-07 13:47:34,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:47:34" (1/1) ... [2019-10-07 13:47:34,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:47:34" (1/1) ... [2019-10-07 13:47:34,246 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:47:34" (1/1) ... [2019-10-07 13:47:34,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:47:34" (1/1) ... [2019-10-07 13:47:34,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 13:47:34,253 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 13:47:34,253 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 13:47:34,254 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 13:47:34,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:47:34" (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 [2019-10-07 13:47:34,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 13:47:34,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 13:47:34,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-07 13:47:34,323 INFO L138 BoogieDeclarations]: Found implementation of procedure r_strncpy [2019-10-07 13:47:34,323 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_expression_list [2019-10-07 13:47:34,323 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 13:47:34,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 13:47:34,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-07 13:47:34,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-07 13:47:34,324 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2019-10-07 13:47:34,324 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2019-10-07 13:47:34,324 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2019-10-07 13:47:34,325 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2019-10-07 13:47:34,325 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy_ptr [2019-10-07 13:47:34,325 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2019-10-07 13:47:34,325 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-07 13:47:34,325 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2019-10-07 13:47:34,325 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-10-07 13:47:34,326 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2019-10-07 13:47:34,326 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-07 13:47:34,326 INFO L130 BoogieDeclarations]: Found specification of procedure isascii [2019-10-07 13:47:34,326 INFO L130 BoogieDeclarations]: Found specification of procedure isspace [2019-10-07 13:47:34,326 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2019-10-07 13:47:34,326 INFO L130 BoogieDeclarations]: Found specification of procedure strrand [2019-10-07 13:47:34,326 INFO L130 BoogieDeclarations]: Found specification of procedure istrrand [2019-10-07 13:47:34,327 INFO L130 BoogieDeclarations]: Found specification of procedure istrchr [2019-10-07 13:47:34,327 INFO L130 BoogieDeclarations]: Found specification of procedure istrrchr [2019-10-07 13:47:34,327 INFO L130 BoogieDeclarations]: Found specification of procedure istrncmp [2019-10-07 13:47:34,327 INFO L130 BoogieDeclarations]: Found specification of procedure istrstr [2019-10-07 13:47:34,327 INFO L130 BoogieDeclarations]: Found specification of procedure r_strncpy [2019-10-07 13:47:34,328 INFO L130 BoogieDeclarations]: Found specification of procedure r_strcpy [2019-10-07 13:47:34,328 INFO L130 BoogieDeclarations]: Found specification of procedure r_strcat [2019-10-07 13:47:34,328 INFO L130 BoogieDeclarations]: Found specification of procedure r_strncat [2019-10-07 13:47:34,328 INFO L130 BoogieDeclarations]: Found specification of procedure r_memcpy [2019-10-07 13:47:34,328 INFO L130 BoogieDeclarations]: Found specification of procedure parse_expression_list [2019-10-07 13:47:34,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 13:47:34,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 13:47:34,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 13:47:34,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 13:47:34,329 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 13:47:34,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 13:47:34,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 13:47:34,960 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 13:47:34,961 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 13:47:34,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 01:47:34 BoogieIcfgContainer [2019-10-07 13:47:34,962 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 13:47:34,964 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 13:47:34,964 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 13:47:34,967 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 13:47:34,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 01:47:33" (1/3) ... [2019-10-07 13:47:34,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30fa0d4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 01:47:34, skipping insertion in model container [2019-10-07 13:47:34,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:47:34" (2/3) ... [2019-10-07 13:47:34,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30fa0d4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 01:47:34, skipping insertion in model container [2019-10-07 13:47:34,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 01:47:34" (3/3) ... [2019-10-07 13:47:34,972 INFO L109 eAbstractionObserver]: Analyzing ICFG veris.c_OpenSER_cases1_stripFullBoth_arr.i [2019-10-07 13:47:34,982 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 13:47:34,993 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 13:47:35,005 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 13:47:35,033 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 13:47:35,033 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 13:47:35,033 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 13:47:35,034 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 13:47:35,034 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 13:47:35,034 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 13:47:35,034 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 13:47:35,034 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 13:47:35,053 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2019-10-07 13:47:35,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-07 13:47:35,059 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:47:35,060 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:47:35,062 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:47:35,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:47:35,066 INFO L82 PathProgramCache]: Analyzing trace with hash 77487702, now seen corresponding path program 1 times [2019-10-07 13:47:35,074 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:47:35,075 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:47:35,075 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:47:35,075 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:47:35,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:47:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:47:35,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 13:47:35,241 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:47:35,242 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:47:35,243 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 13:47:35,247 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 13:47:35,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 13:47:35,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 13:47:35,264 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 3 states. [2019-10-07 13:47:35,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:47:35,300 INFO L93 Difference]: Finished difference Result 75 states and 99 transitions. [2019-10-07 13:47:35,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 13:47:35,302 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-10-07 13:47:35,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:47:35,311 INFO L225 Difference]: With dead ends: 75 [2019-10-07 13:47:35,311 INFO L226 Difference]: Without dead ends: 34 [2019-10-07 13:47:35,315 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 13:47:35,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-10-07 13:47:35,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2019-10-07 13:47:35,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-10-07 13:47:35,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2019-10-07 13:47:35,355 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 25 [2019-10-07 13:47:35,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:47:35,356 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2019-10-07 13:47:35,356 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 13:47:35,356 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2019-10-07 13:47:35,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-07 13:47:35,358 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:47:35,358 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:47:35,358 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:47:35,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:47:35,359 INFO L82 PathProgramCache]: Analyzing trace with hash -1829905287, now seen corresponding path program 1 times [2019-10-07 13:47:35,359 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:47:35,359 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:47:35,359 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:47:35,359 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:47:35,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:47:35,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:47:35,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 13:47:35,515 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:47:35,515 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:47:35,516 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 13:47:35,517 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 13:47:35,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 13:47:35,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 13:47:35,519 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand 5 states. [2019-10-07 13:47:35,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:47:35,603 INFO L93 Difference]: Finished difference Result 41 states and 47 transitions. [2019-10-07 13:47:35,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 13:47:35,604 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2019-10-07 13:47:35,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:47:35,605 INFO L225 Difference]: With dead ends: 41 [2019-10-07 13:47:35,605 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 13:47:35,606 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-07 13:47:35,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 13:47:35,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 13:47:35,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 13:47:35,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 13:47:35,609 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2019-10-07 13:47:35,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:47:35,610 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 13:47:35,610 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 13:47:35,611 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 13:47:35,611 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 13:47:35,615 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 13:47:35,649 INFO L443 ceAbstractionStarter]: For program point L60-4(lines 54 72) no Hoare annotation was computed. [2019-10-07 13:47:35,649 INFO L443 ceAbstractionStarter]: For program point L56-3(line 56) no Hoare annotation was computed. [2019-10-07 13:47:35,649 INFO L446 ceAbstractionStarter]: At program point L56-5(line 56) the Hoare annotation is: true [2019-10-07 13:47:35,650 INFO L443 ceAbstractionStarter]: For program point L56-6(line 56) no Hoare annotation was computed. [2019-10-07 13:47:35,650 INFO L443 ceAbstractionStarter]: For program point L52-2(lines 52 73) no Hoare annotation was computed. [2019-10-07 13:47:35,650 INFO L446 ceAbstractionStarter]: At program point L52-4(lines 52 73) the Hoare annotation is: true [2019-10-07 13:47:35,650 INFO L443 ceAbstractionStarter]: For program point L52-5(lines 52 73) no Hoare annotation was computed. [2019-10-07 13:47:35,650 INFO L439 ceAbstractionStarter]: At program point L65(line 65) the Hoare annotation is: (<= parse_expression_list_~j~0 parse_expression_list_~start~0) [2019-10-07 13:47:35,650 INFO L443 ceAbstractionStarter]: For program point L65-1(line 65) no Hoare annotation was computed. [2019-10-07 13:47:35,651 INFO L439 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (<= parse_expression_list_~j~0 parse_expression_list_~start~0) [2019-10-07 13:47:35,651 INFO L443 ceAbstractionStarter]: For program point L66-1(line 66) no Hoare annotation was computed. [2019-10-07 13:47:35,651 INFO L443 ceAbstractionStarter]: For program point parse_expression_listFINAL(lines 47 75) no Hoare annotation was computed. [2019-10-07 13:47:35,651 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 64) no Hoare annotation was computed. [2019-10-07 13:47:35,651 INFO L446 ceAbstractionStarter]: At program point parse_expression_listENTRY(lines 47 75) the Hoare annotation is: true [2019-10-07 13:47:35,652 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 72) no Hoare annotation was computed. [2019-10-07 13:47:35,652 INFO L443 ceAbstractionStarter]: For program point parse_expression_listEXIT(lines 47 75) no Hoare annotation was computed. [2019-10-07 13:47:35,652 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-10-07 13:47:35,652 INFO L443 ceAbstractionStarter]: For program point L59-6(line 59) no Hoare annotation was computed. [2019-10-07 13:47:35,652 INFO L443 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2019-10-07 13:47:35,653 INFO L446 ceAbstractionStarter]: At program point L59-8(line 59) the Hoare annotation is: true [2019-10-07 13:47:35,653 INFO L443 ceAbstractionStarter]: For program point L59-9(line 59) no Hoare annotation was computed. [2019-10-07 13:47:35,653 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-07 13:47:35,653 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 13:47:35,653 INFO L443 ceAbstractionStarter]: For program point r_strncpyEXIT(line 31) no Hoare annotation was computed. [2019-10-07 13:47:35,653 INFO L446 ceAbstractionStarter]: At program point r_strncpyENTRY(line 31) the Hoare annotation is: true [2019-10-07 13:47:35,654 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 13:47:35,654 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-07 13:47:35,654 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 13:47:35,654 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 13:47:35,654 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 76 85) the Hoare annotation is: true [2019-10-07 13:47:35,655 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 76 85) no Hoare annotation was computed. [2019-10-07 13:47:35,655 INFO L446 ceAbstractionStarter]: At program point L83(line 83) the Hoare annotation is: true [2019-10-07 13:47:35,655 INFO L443 ceAbstractionStarter]: For program point L83-1(line 83) no Hoare annotation was computed. [2019-10-07 13:47:35,655 INFO L446 ceAbstractionStarter]: At program point L79-3(lines 79 81) the Hoare annotation is: true [2019-10-07 13:47:35,655 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2019-10-07 13:47:35,656 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-10-07 13:47:35,656 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2019-10-07 13:47:35,656 INFO L443 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-10-07 13:47:35,656 INFO L443 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-10-07 13:47:35,656 INFO L443 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2019-10-07 13:47:35,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 01:47:35 BoogieIcfgContainer [2019-10-07 13:47:35,664 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 13:47:35,667 INFO L168 Benchmark]: Toolchain (without parser) took 1955.90 ms. Allocated memory was 139.5 MB in the beginning and 206.6 MB in the end (delta: 67.1 MB). Free memory was 101.7 MB in the beginning and 95.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 73.6 MB. Max. memory is 7.1 GB. [2019-10-07 13:47:35,668 INFO L168 Benchmark]: CDTParser took 1.27 ms. Allocated memory is still 139.5 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-07 13:47:35,670 INFO L168 Benchmark]: CACSL2BoogieTranslator took 490.30 ms. Allocated memory was 139.5 MB in the beginning and 206.6 MB in the end (delta: 67.1 MB). Free memory was 101.5 MB in the beginning and 183.5 MB in the end (delta: -82.0 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2019-10-07 13:47:35,671 INFO L168 Benchmark]: Boogie Preprocessor took 50.76 ms. Allocated memory is still 206.6 MB. Free memory was 183.5 MB in the beginning and 180.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-10-07 13:47:35,672 INFO L168 Benchmark]: RCFGBuilder took 709.32 ms. Allocated memory is still 206.6 MB. Free memory was 180.9 MB in the beginning and 138.6 MB in the end (delta: 42.4 MB). Peak memory consumption was 42.4 MB. Max. memory is 7.1 GB. [2019-10-07 13:47:35,673 INFO L168 Benchmark]: TraceAbstraction took 701.00 ms. Allocated memory is still 206.6 MB. Free memory was 137.9 MB in the beginning and 95.2 MB in the end (delta: 42.7 MB). Peak memory consumption was 42.7 MB. Max. memory is 7.1 GB. [2019-10-07 13:47:35,677 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.27 ms. Allocated memory is still 139.5 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 490.30 ms. Allocated memory was 139.5 MB in the beginning and 206.6 MB in the end (delta: 67.1 MB). Free memory was 101.5 MB in the beginning and 183.5 MB in the end (delta: -82.0 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.76 ms. Allocated memory is still 206.6 MB. Free memory was 183.5 MB in the beginning and 180.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 709.32 ms. Allocated memory is still 206.6 MB. Free memory was 180.9 MB in the beginning and 138.6 MB in the end (delta: 42.4 MB). Peak memory consumption was 42.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 701.00 ms. Allocated memory is still 206.6 MB. Free memory was 137.9 MB in the beginning and 95.2 MB in the end (delta: 42.7 MB). Peak memory consumption was 42.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 40 locations, 1 error locations. Result: SAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 74 SDtfs, 13 SDslu, 116 SDs, 0 SdLazy, 30 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 22 PreInvPairs, 31 NumberOfFragments, 18 HoareAnnotationTreeSize, 22 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 51 ConstructedInterpolants, 0 QuantifiedInterpolants, 1677 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1/1 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...