java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf -i ../../../trunk/examples/svcomp/loops/veris.c_OpenSER__cases1_stripFullBoth_arr_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 16:35:38,912 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 16:35:38,916 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 16:35:38,933 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 16:35:38,933 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 16:35:38,934 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 16:35:38,936 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 16:35:38,939 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 16:35:38,941 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 16:35:38,948 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 16:35:38,949 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 16:35:38,949 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 16:35:38,953 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 16:35:38,955 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 16:35:38,959 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 16:35:38,960 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 16:35:38,963 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 16:35:38,965 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 16:35:38,973 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 16:35:38,976 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 16:35:38,977 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 16:35:38,979 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 16:35:38,983 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 16:35:38,983 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 16:35:38,983 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 16:35:38,984 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 16:35:38,985 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 16:35:38,987 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 16:35:38,987 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 16:35:38,988 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 16:35:38,989 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 16:35:38,989 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 16:35:38,990 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 16:35:38,990 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 16:35:38,991 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 16:35:38,992 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 16:35:38,992 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf [2018-11-07 16:35:39,008 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 16:35:39,008 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 16:35:39,009 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 16:35:39,009 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 16:35:39,010 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 16:35:39,010 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 16:35:39,010 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 16:35:39,010 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 16:35:39,011 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 16:35:39,011 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 16:35:39,011 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 16:35:39,011 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 16:35:39,012 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 16:35:39,012 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 16:35:39,012 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 16:35:39,013 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 16:35:39,013 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 16:35:39,013 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 16:35:39,013 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 16:35:39,013 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 16:35:39,014 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 16:35:39,014 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 16:35:39,014 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 16:35:39,014 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 16:35:39,014 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 16:35:39,015 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 16:35:39,015 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 16:35:39,015 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 16:35:39,015 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 16:35:39,016 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 16:35:39,016 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 16:35:39,016 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 16:35:39,016 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 16:35:39,016 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 16:35:39,076 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 16:35:39,093 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 16:35:39,097 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 16:35:39,098 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 16:35:39,099 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 16:35:39,102 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/veris.c_OpenSER__cases1_stripFullBoth_arr_true-unreach-call_true-termination.i [2018-11-07 16:35:39,168 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a7e7529c/b3c79e0fc84741edac6fb663fec4dc95/FLAGd51718ee7 [2018-11-07 16:35:39,690 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 16:35:39,691 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/veris.c_OpenSER__cases1_stripFullBoth_arr_true-unreach-call_true-termination.i [2018-11-07 16:35:39,701 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a7e7529c/b3c79e0fc84741edac6fb663fec4dc95/FLAGd51718ee7 [2018-11-07 16:35:39,715 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a7e7529c/b3c79e0fc84741edac6fb663fec4dc95 [2018-11-07 16:35:39,727 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 16:35:39,730 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 16:35:39,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 16:35:39,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 16:35:39,735 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 16:35:39,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:35:39" (1/1) ... [2018-11-07 16:35:39,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@252e8ff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:39, skipping insertion in model container [2018-11-07 16:35:39,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:35:39" (1/1) ... [2018-11-07 16:35:39,752 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 16:35:39,783 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 16:35:40,005 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 16:35:40,016 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 16:35:40,076 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 16:35:40,108 INFO L193 MainTranslator]: Completed translation [2018-11-07 16:35:40,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:40 WrapperNode [2018-11-07 16:35:40,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 16:35:40,110 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 16:35:40,110 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 16:35:40,110 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 16:35:40,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:40" (1/1) ... [2018-11-07 16:35:40,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:40" (1/1) ... [2018-11-07 16:35:40,139 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 16:35:40,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 16:35:40,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 16:35:40,140 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 16:35:40,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:40" (1/1) ... [2018-11-07 16:35:40,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:40" (1/1) ... [2018-11-07 16:35:40,221 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:40" (1/1) ... [2018-11-07 16:35:40,222 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:40" (1/1) ... [2018-11-07 16:35:40,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:40" (1/1) ... [2018-11-07 16:35:40,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:40" (1/1) ... [2018-11-07 16:35:40,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:40" (1/1) ... [2018-11-07 16:35:40,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 16:35:40,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 16:35:40,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 16:35:40,256 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 16:35:40,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:40" (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 [2018-11-07 16:35:40,314 INFO L130 BoogieDeclarations]: Found specification of procedure r_strncpy [2018-11-07 16:35:40,314 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 16:35:40,314 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 16:35:40,315 INFO L130 BoogieDeclarations]: Found specification of procedure parse_expression_list [2018-11-07 16:35:40,315 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_expression_list [2018-11-07 16:35:40,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-07 16:35:40,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-07 16:35:40,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-07 16:35:40,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 16:35:40,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 16:35:40,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 16:35:40,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 16:35:40,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-07 16:35:40,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-07 16:35:40,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-07 16:35:40,951 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 16:35:40,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:35:40 BoogieIcfgContainer [2018-11-07 16:35:40,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 16:35:40,952 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 16:35:40,953 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 16:35:40,958 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 16:35:40,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:35:39" (1/3) ... [2018-11-07 16:35:40,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2970c676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:35:40, skipping insertion in model container [2018-11-07 16:35:40,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:40" (2/3) ... [2018-11-07 16:35:40,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2970c676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:35:40, skipping insertion in model container [2018-11-07 16:35:40,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:35:40" (3/3) ... [2018-11-07 16:35:40,965 INFO L112 eAbstractionObserver]: Analyzing ICFG veris.c_OpenSER__cases1_stripFullBoth_arr_true-unreach-call_true-termination.i [2018-11-07 16:35:40,976 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 16:35:40,983 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 16:35:41,000 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 16:35:41,032 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 16:35:41,032 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 16:35:41,032 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 16:35:41,032 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 16:35:41,033 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 16:35:41,033 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 16:35:41,033 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 16:35:41,033 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 16:35:41,057 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2018-11-07 16:35:41,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-07 16:35:41,064 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 16:35:41,065 INFO L375 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, 1, 1, 1, 1, 1] [2018-11-07 16:35:41,068 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 16:35:41,074 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 16:35:41,074 INFO L82 PathProgramCache]: Analyzing trace with hash -407221804, now seen corresponding path program 1 times [2018-11-07 16:35:41,076 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 16:35:41,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 16:35:41,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 16:35:41,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 16:35:41,132 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 16:35:41,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 16:35:41,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 16:35:41,219 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 16:35:41,221 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-07 16:35:41,221 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 16:35:41,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-07 16:35:41,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-07 16:35:41,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-07 16:35:41,246 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2018-11-07 16:35:41,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 16:35:41,287 INFO L93 Difference]: Finished difference Result 148 states and 184 transitions. [2018-11-07 16:35:41,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-07 16:35:41,289 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 33 [2018-11-07 16:35:41,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 16:35:41,301 INFO L225 Difference]: With dead ends: 148 [2018-11-07 16:35:41,302 INFO L226 Difference]: Without dead ends: 62 [2018-11-07 16:35:41,308 INFO L604 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 [2018-11-07 16:35:41,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-11-07 16:35:41,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2018-11-07 16:35:41,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-11-07 16:35:41,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 72 transitions. [2018-11-07 16:35:41,369 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 72 transitions. Word has length 33 [2018-11-07 16:35:41,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 16:35:41,370 INFO L480 AbstractCegarLoop]: Abstraction has 62 states and 72 transitions. [2018-11-07 16:35:41,370 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-07 16:35:41,370 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 72 transitions. [2018-11-07 16:35:41,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-07 16:35:41,374 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 16:35:41,374 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 16:35:41,375 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 16:35:41,375 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 16:35:41,375 INFO L82 PathProgramCache]: Analyzing trace with hash -197078502, now seen corresponding path program 1 times [2018-11-07 16:35:41,375 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 16:35:41,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 16:35:41,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 16:35:41,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 16:35:41,378 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 16:35:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 16:35:41,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 16:35:41,528 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 16:35:41,528 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 16:35:41,528 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 16:35:41,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 16:35:41,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 16:35:41,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 16:35:41,533 INFO L87 Difference]: Start difference. First operand 62 states and 72 transitions. Second operand 3 states. [2018-11-07 16:35:41,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 16:35:41,621 INFO L93 Difference]: Finished difference Result 117 states and 137 transitions. [2018-11-07 16:35:41,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 16:35:41,622 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2018-11-07 16:35:41,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 16:35:41,624 INFO L225 Difference]: With dead ends: 117 [2018-11-07 16:35:41,624 INFO L226 Difference]: Without dead ends: 67 [2018-11-07 16:35:41,625 INFO L604 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 [2018-11-07 16:35:41,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-11-07 16:35:41,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 64. [2018-11-07 16:35:41,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-11-07 16:35:41,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 74 transitions. [2018-11-07 16:35:41,635 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 74 transitions. Word has length 41 [2018-11-07 16:35:41,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 16:35:41,635 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 74 transitions. [2018-11-07 16:35:41,635 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 16:35:41,636 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 74 transitions. [2018-11-07 16:35:41,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-07 16:35:41,637 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 16:35:41,637 INFO L375 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 16:35:41,638 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 16:35:41,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 16:35:41,638 INFO L82 PathProgramCache]: Analyzing trace with hash -529413171, now seen corresponding path program 1 times [2018-11-07 16:35:41,638 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 16:35:41,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 16:35:41,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 16:35:41,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 16:35:41,640 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 16:35:41,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 16:35:41,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-07 16:35:41,764 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 16:35:41,764 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 16:35:41,764 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 16:35:41,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 16:35:41,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 16:35:41,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 16:35:41,766 INFO L87 Difference]: Start difference. First operand 64 states and 74 transitions. Second operand 3 states. [2018-11-07 16:35:41,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 16:35:41,813 INFO L93 Difference]: Finished difference Result 110 states and 130 transitions. [2018-11-07 16:35:41,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 16:35:41,814 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2018-11-07 16:35:41,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 16:35:41,815 INFO L225 Difference]: With dead ends: 110 [2018-11-07 16:35:41,815 INFO L226 Difference]: Without dead ends: 65 [2018-11-07 16:35:41,816 INFO L604 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 [2018-11-07 16:35:41,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-11-07 16:35:41,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-11-07 16:35:41,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-11-07 16:35:41,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 75 transitions. [2018-11-07 16:35:41,825 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 75 transitions. Word has length 46 [2018-11-07 16:35:41,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 16:35:41,826 INFO L480 AbstractCegarLoop]: Abstraction has 65 states and 75 transitions. [2018-11-07 16:35:41,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 16:35:41,826 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2018-11-07 16:35:41,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-07 16:35:41,828 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 16:35:41,828 INFO L375 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 16:35:41,828 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 16:35:41,828 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 16:35:41,829 INFO L82 PathProgramCache]: Analyzing trace with hash -1659069238, now seen corresponding path program 1 times [2018-11-07 16:35:41,829 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 16:35:41,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 16:35:41,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 16:35:41,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 16:35:41,830 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 16:35:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 16:35:41,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-07 16:35:41,938 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 16:35:41,939 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 16:35:41,939 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 16:35:41,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 16:35:41,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 16:35:41,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 16:35:41,940 INFO L87 Difference]: Start difference. First operand 65 states and 75 transitions. Second operand 3 states. [2018-11-07 16:35:42,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 16:35:42,029 INFO L93 Difference]: Finished difference Result 112 states and 132 transitions. [2018-11-07 16:35:42,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 16:35:42,030 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-07 16:35:42,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 16:35:42,031 INFO L225 Difference]: With dead ends: 112 [2018-11-07 16:35:42,031 INFO L226 Difference]: Without dead ends: 66 [2018-11-07 16:35:42,032 INFO L604 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 [2018-11-07 16:35:42,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-11-07 16:35:42,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2018-11-07 16:35:42,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-11-07 16:35:42,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 76 transitions. [2018-11-07 16:35:42,041 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 76 transitions. Word has length 48 [2018-11-07 16:35:42,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 16:35:42,041 INFO L480 AbstractCegarLoop]: Abstraction has 66 states and 76 transitions. [2018-11-07 16:35:42,041 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 16:35:42,042 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 76 transitions. [2018-11-07 16:35:42,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-07 16:35:42,043 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 16:35:42,044 INFO L375 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 16:35:42,044 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 16:35:42,044 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 16:35:42,045 INFO L82 PathProgramCache]: Analyzing trace with hash -979010868, now seen corresponding path program 1 times [2018-11-07 16:35:42,045 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 16:35:42,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 16:35:42,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 16:35:42,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 16:35:42,047 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 16:35:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 16:35:42,256 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-07 16:35:42,257 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 16:35:42,257 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-07 16:35:42,257 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 16:35:42,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-07 16:35:42,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-07 16:35:42,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-07 16:35:42,259 INFO L87 Difference]: Start difference. First operand 66 states and 76 transitions. Second operand 5 states. [2018-11-07 16:35:42,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 16:35:42,429 INFO L93 Difference]: Finished difference Result 84 states and 98 transitions. [2018-11-07 16:35:42,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-07 16:35:42,433 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2018-11-07 16:35:42,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 16:35:42,434 INFO L225 Difference]: With dead ends: 84 [2018-11-07 16:35:42,434 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 16:35:42,435 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-07 16:35:42,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 16:35:42,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 16:35:42,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 16:35:42,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 16:35:42,438 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 48 [2018-11-07 16:35:42,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 16:35:42,439 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 16:35:42,439 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-07 16:35:42,439 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 16:35:42,439 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 16:35:42,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 16:35:42,502 INFO L425 ceAbstractionStarter]: For program point L60-1(line 60) no Hoare annotation was computed. [2018-11-07 16:35:42,502 INFO L425 ceAbstractionStarter]: For program point L60-2(line 60) no Hoare annotation was computed. [2018-11-07 16:35:42,503 INFO L425 ceAbstractionStarter]: For program point L60-3(line 60) no Hoare annotation was computed. [2018-11-07 16:35:42,503 INFO L425 ceAbstractionStarter]: For program point L60-4(line 60) no Hoare annotation was computed. [2018-11-07 16:35:42,503 INFO L425 ceAbstractionStarter]: For program point L60-5(line 60) no Hoare annotation was computed. [2018-11-07 16:35:42,503 INFO L425 ceAbstractionStarter]: For program point L60-7(line 60) no Hoare annotation was computed. [2018-11-07 16:35:42,503 INFO L425 ceAbstractionStarter]: For program point L60-8(line 60) no Hoare annotation was computed. [2018-11-07 16:35:42,504 INFO L425 ceAbstractionStarter]: For program point L60-9(line 60) no Hoare annotation was computed. [2018-11-07 16:35:42,504 INFO L425 ceAbstractionStarter]: For program point L60-11(line 60) no Hoare annotation was computed. [2018-11-07 16:35:42,504 INFO L428 ceAbstractionStarter]: At program point L60-13(line 60) the Hoare annotation is: true [2018-11-07 16:35:42,504 INFO L425 ceAbstractionStarter]: For program point L60-14(line 60) no Hoare annotation was computed. [2018-11-07 16:35:42,504 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-07 16:35:42,505 INFO L425 ceAbstractionStarter]: For program point L61-1(line 61) no Hoare annotation was computed. [2018-11-07 16:35:42,505 INFO L425 ceAbstractionStarter]: For program point L61-2(line 61) no Hoare annotation was computed. [2018-11-07 16:35:42,505 INFO L425 ceAbstractionStarter]: For program point L61-4(line 61) no Hoare annotation was computed. [2018-11-07 16:35:42,505 INFO L425 ceAbstractionStarter]: For program point L61-6(lines 55 73) no Hoare annotation was computed. [2018-11-07 16:35:42,505 INFO L425 ceAbstractionStarter]: For program point L53-1(lines 53 74) no Hoare annotation was computed. [2018-11-07 16:35:42,505 INFO L428 ceAbstractionStarter]: At program point L53-3(lines 53 74) the Hoare annotation is: true [2018-11-07 16:35:42,506 INFO L425 ceAbstractionStarter]: For program point L53-4(lines 53 74) no Hoare annotation was computed. [2018-11-07 16:35:42,506 INFO L425 ceAbstractionStarter]: For program point L63(lines 63 65) no Hoare annotation was computed. [2018-11-07 16:35:42,506 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-07 16:35:42,506 INFO L425 ceAbstractionStarter]: For program point L55-1(line 55) no Hoare annotation was computed. [2018-11-07 16:35:42,506 INFO L425 ceAbstractionStarter]: For program point L55-2(lines 55 73) no Hoare annotation was computed. [2018-11-07 16:35:42,506 INFO L425 ceAbstractionStarter]: For program point L56(line 56) no Hoare annotation was computed. [2018-11-07 16:35:42,507 INFO L425 ceAbstractionStarter]: For program point L57-1(line 57) no Hoare annotation was computed. [2018-11-07 16:35:42,507 INFO L425 ceAbstractionStarter]: For program point L57-2(line 57) no Hoare annotation was computed. [2018-11-07 16:35:42,507 INFO L425 ceAbstractionStarter]: For program point L57-3(line 57) no Hoare annotation was computed. [2018-11-07 16:35:42,507 INFO L425 ceAbstractionStarter]: For program point L57-5(line 57) no Hoare annotation was computed. [2018-11-07 16:35:42,507 INFO L425 ceAbstractionStarter]: For program point L57-6(line 57) no Hoare annotation was computed. [2018-11-07 16:35:42,507 INFO L425 ceAbstractionStarter]: For program point L57-7(line 57) no Hoare annotation was computed. [2018-11-07 16:35:42,508 INFO L428 ceAbstractionStarter]: At program point L57-9(line 57) the Hoare annotation is: true [2018-11-07 16:35:42,508 INFO L425 ceAbstractionStarter]: For program point L57-10(line 57) no Hoare annotation was computed. [2018-11-07 16:35:42,508 INFO L425 ceAbstractionStarter]: For program point L74(lines 53 74) no Hoare annotation was computed. [2018-11-07 16:35:42,508 INFO L425 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2018-11-07 16:35:42,508 INFO L425 ceAbstractionStarter]: For program point L66-1(line 66) no Hoare annotation was computed. [2018-11-07 16:35:42,508 INFO L425 ceAbstractionStarter]: For program point parse_expression_listFINAL(lines 48 76) no Hoare annotation was computed. [2018-11-07 16:35:42,508 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-07 16:35:42,509 INFO L428 ceAbstractionStarter]: At program point parse_expression_listENTRY(lines 48 76) the Hoare annotation is: true [2018-11-07 16:35:42,509 INFO L425 ceAbstractionStarter]: For program point L58-2(line 58) no Hoare annotation was computed. [2018-11-07 16:35:42,509 INFO L421 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (< parse_expression_list_~j~0 (+ parse_expression_list_~start~0 1)) [2018-11-07 16:35:42,509 INFO L425 ceAbstractionStarter]: For program point L67-1(line 67) no Hoare annotation was computed. [2018-11-07 16:35:42,509 INFO L425 ceAbstractionStarter]: For program point parse_expression_listEXIT(lines 48 76) no Hoare annotation was computed. [2018-11-07 16:35:42,509 INFO L425 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-11-07 16:35:42,510 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 49 76) no Hoare annotation was computed. [2018-11-07 16:35:42,510 INFO L425 ceAbstractionStarter]: For program point L51-2(line 51) no Hoare annotation was computed. [2018-11-07 16:35:42,510 INFO L425 ceAbstractionStarter]: For program point L51-3(line 51) no Hoare annotation was computed. [2018-11-07 16:35:42,510 INFO L425 ceAbstractionStarter]: For program point L51-4(line 51) no Hoare annotation was computed. [2018-11-07 16:35:42,510 INFO L425 ceAbstractionStarter]: For program point L51-5(line 51) no Hoare annotation was computed. [2018-11-07 16:35:42,510 INFO L425 ceAbstractionStarter]: For program point L51-6(line 51) no Hoare annotation was computed. [2018-11-07 16:35:42,511 INFO L425 ceAbstractionStarter]: For program point L51-7(line 51) no Hoare annotation was computed. [2018-11-07 16:35:42,511 INFO L425 ceAbstractionStarter]: For program point L51-8(line 51) no Hoare annotation was computed. [2018-11-07 16:35:42,511 INFO L425 ceAbstractionStarter]: For program point L51-9(line 51) no Hoare annotation was computed. [2018-11-07 16:35:42,511 INFO L425 ceAbstractionStarter]: For program point L68(lines 62 71) no Hoare annotation was computed. [2018-11-07 16:35:42,511 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 16:35:42,511 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-07 16:35:42,512 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 16:35:42,512 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 16:35:42,512 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-07 16:35:42,512 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 16:35:42,512 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 16:35:42,512 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 77 88) the Hoare annotation is: true [2018-11-07 16:35:42,512 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 77 88) no Hoare annotation was computed. [2018-11-07 16:35:42,513 INFO L425 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2018-11-07 16:35:42,513 INFO L428 ceAbstractionStarter]: At program point L85(line 85) the Hoare annotation is: true [2018-11-07 16:35:42,513 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-07 16:35:42,513 INFO L425 ceAbstractionStarter]: For program point L82-1(line 82) no Hoare annotation was computed. [2018-11-07 16:35:42,513 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 81 83) no Hoare annotation was computed. [2018-11-07 16:35:42,513 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-07 16:35:42,514 INFO L425 ceAbstractionStarter]: For program point L81-3(lines 81 83) no Hoare annotation was computed. [2018-11-07 16:35:42,514 INFO L425 ceAbstractionStarter]: For program point L79-1(line 79) no Hoare annotation was computed. [2018-11-07 16:35:42,514 INFO L428 ceAbstractionStarter]: At program point L81-4(lines 81 83) the Hoare annotation is: true [2018-11-07 16:35:42,514 INFO L425 ceAbstractionStarter]: For program point L79-2(line 79) no Hoare annotation was computed. [2018-11-07 16:35:42,514 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 77 88) no Hoare annotation was computed. [2018-11-07 16:35:42,514 INFO L425 ceAbstractionStarter]: For program point L81-5(lines 81 83) no Hoare annotation was computed. [2018-11-07 16:35:42,515 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 4 9) the Hoare annotation is: true [2018-11-07 16:35:42,515 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 4 9) no Hoare annotation was computed. [2018-11-07 16:35:42,515 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2018-11-07 16:35:42,515 INFO L425 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2018-11-07 16:35:42,515 INFO L425 ceAbstractionStarter]: For program point L5(lines 5 7) no Hoare annotation was computed. [2018-11-07 16:35:42,516 INFO L425 ceAbstractionStarter]: For program point L5-2(lines 4 9) no Hoare annotation was computed. [2018-11-07 16:35:42,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:35:42 BoogieIcfgContainer [2018-11-07 16:35:42,528 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 16:35:42,529 INFO L168 Benchmark]: Toolchain (without parser) took 2801.73 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 751.3 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -695.5 MB). Peak memory consumption was 55.8 MB. Max. memory is 7.1 GB. [2018-11-07 16:35:42,532 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 16:35:42,532 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.49 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-11-07 16:35:42,533 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.09 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 16:35:42,534 INFO L168 Benchmark]: Boogie Preprocessor took 116.55 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 751.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -812.2 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. [2018-11-07 16:35:42,537 INFO L168 Benchmark]: RCFGBuilder took 695.49 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2018-11-07 16:35:42,538 INFO L168 Benchmark]: TraceAbstraction took 1576.09 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 79.1 MB). Peak memory consumption was 79.1 MB. Max. memory is 7.1 GB. [2018-11-07 16:35:42,545 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 378.49 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 29.09 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.55 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 751.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -812.2 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 695.49 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1576.09 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 79.1 MB). Peak memory consumption was 79.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: 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: 53]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 80 locations, 1 error locations. SAFE Result, 1.4s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 365 SDtfs, 29 SDslu, 363 SDs, 0 SdLazy, 59 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred 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, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 26 PreInvPairs, 34 NumberOfFragments, 16 HoareAnnotationTreeSize, 26 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 216 NumberOfCodeBlocks, 216 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 211 ConstructedInterpolants, 0 QuantifiedInterpolants, 10026 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...