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-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label43_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 08:24:56,970 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 08:24:56,973 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 08:24:56,989 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 08:24:56,990 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 08:24:56,991 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 08:24:56,993 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 08:24:56,996 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 08:24:56,998 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 08:24:57,000 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 08:24:57,001 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 08:24:57,001 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 08:24:57,004 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 08:24:57,005 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 08:24:57,008 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 08:24:57,009 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 08:24:57,017 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 08:24:57,021 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 08:24:57,023 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 08:24:57,029 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 08:24:57,030 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 08:24:57,031 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 08:24:57,033 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 08:24:57,035 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 08:24:57,035 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 08:24:57,036 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 08:24:57,037 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 08:24:57,038 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 08:24:57,041 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 08:24:57,043 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 08:24:57,043 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 08:24:57,044 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 08:24:57,044 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 08:24:57,045 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 08:24:57,047 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 08:24:57,047 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 08:24:57,048 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-11-07 08:24:57,072 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 08:24:57,072 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 08:24:57,073 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 08:24:57,073 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 08:24:57,073 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 08:24:57,074 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 08:24:57,074 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-07 08:24:57,074 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 08:24:57,074 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-07 08:24:57,074 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 08:24:57,075 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 08:24:57,075 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 08:24:57,075 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 08:24:57,075 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 08:24:57,076 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 08:24:57,076 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 08:24:57,076 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 08:24:57,076 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 08:24:57,077 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 08:24:57,077 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 08:24:57,077 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 08:24:57,077 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 08:24:57,077 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 08:24:57,078 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 08:24:57,078 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 08:24:57,078 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 08:24:57,078 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 08:24:57,078 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 08:24:57,079 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 08:24:57,079 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 08:24:57,079 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 08:24:57,079 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 08:24:57,080 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 08:24:57,080 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 08:24:57,080 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 08:24:57,080 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 08:24:57,133 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 08:24:57,145 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 08:24:57,149 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 08:24:57,150 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 08:24:57,151 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 08:24:57,152 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label43_true-unreach-call.c [2018-11-07 08:24:57,210 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d745249fb/9d072a0c97d1481ea4114f66b890fc8f/FLAGb482463b6 [2018-11-07 08:24:57,847 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 08:24:57,847 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label43_true-unreach-call.c [2018-11-07 08:24:57,871 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d745249fb/9d072a0c97d1481ea4114f66b890fc8f/FLAGb482463b6 [2018-11-07 08:24:57,887 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d745249fb/9d072a0c97d1481ea4114f66b890fc8f [2018-11-07 08:24:57,898 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 08:24:57,900 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 08:24:57,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 08:24:57,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 08:24:57,907 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 08:24:57,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:24:57" (1/1) ... [2018-11-07 08:24:57,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ade47ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:57, skipping insertion in model container [2018-11-07 08:24:57,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:24:57" (1/1) ... [2018-11-07 08:24:57,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 08:24:58,002 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 08:24:58,520 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 08:24:58,526 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 08:24:58,645 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 08:24:58,663 INFO L193 MainTranslator]: Completed translation [2018-11-07 08:24:58,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:58 WrapperNode [2018-11-07 08:24:58,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 08:24:58,664 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 08:24:58,664 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 08:24:58,665 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 08:24:58,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:58" (1/1) ... [2018-11-07 08:24:58,694 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:58" (1/1) ... [2018-11-07 08:24:58,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 08:24:58,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 08:24:58,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 08:24:58,796 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 08:24:58,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:58" (1/1) ... [2018-11-07 08:24:58,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:58" (1/1) ... [2018-11-07 08:24:58,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:58" (1/1) ... [2018-11-07 08:24:58,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:58" (1/1) ... [2018-11-07 08:24:58,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:58" (1/1) ... [2018-11-07 08:24:58,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:58" (1/1) ... [2018-11-07 08:24:58,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:58" (1/1) ... [2018-11-07 08:24:58,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 08:24:58,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 08:24:58,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 08:24:58,907 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 08:24:58,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:58" (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 08:24:58,969 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 08:24:58,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 08:24:58,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 08:24:58,970 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 08:24:58,970 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 08:24:58,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 08:24:58,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 08:24:58,970 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 08:24:58,970 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 08:25:02,070 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 08:25:02,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:25:02 BoogieIcfgContainer [2018-11-07 08:25:02,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 08:25:02,074 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 08:25:02,074 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 08:25:02,077 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 08:25:02,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:24:57" (1/3) ... [2018-11-07 08:25:02,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4512bb46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:25:02, skipping insertion in model container [2018-11-07 08:25:02,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:58" (2/3) ... [2018-11-07 08:25:02,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4512bb46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:25:02, skipping insertion in model container [2018-11-07 08:25:02,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:25:02" (3/3) ... [2018-11-07 08:25:02,083 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label43_true-unreach-call.c [2018-11-07 08:25:02,094 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 08:25:02,106 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 08:25:02,130 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 08:25:02,177 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 08:25:02,178 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 08:25:02,178 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 08:25:02,178 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 08:25:02,178 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 08:25:02,179 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 08:25:02,179 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 08:25:02,179 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 08:25:02,206 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-11-07 08:25:02,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-07 08:25:02,214 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:25:02,216 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, 1] [2018-11-07 08:25:02,218 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:25:02,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:25:02,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1430816948, now seen corresponding path program 1 times [2018-11-07 08:25:02,228 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:25:02,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:25:02,274 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:25:02,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:25:02,274 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:25:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:25:02,657 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-07 08:25:02,780 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 08:25:02,782 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 08:25:02,783 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-07 08:25:02,784 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 08:25:02,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-07 08:25:02,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-07 08:25:02,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 08:25:02,814 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-11-07 08:25:04,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:25:04,283 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-11-07 08:25:04,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-07 08:25:04,286 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2018-11-07 08:25:04,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:25:04,303 INFO L225 Difference]: With dead ends: 574 [2018-11-07 08:25:04,304 INFO L226 Difference]: Without dead ends: 356 [2018-11-07 08:25:04,311 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-07 08:25:04,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-11-07 08:25:04,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-11-07 08:25:04,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-11-07 08:25:04,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 592 transitions. [2018-11-07 08:25:04,388 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 592 transitions. Word has length 42 [2018-11-07 08:25:04,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:25:04,389 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 592 transitions. [2018-11-07 08:25:04,389 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-07 08:25:04,389 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 592 transitions. [2018-11-07 08:25:04,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-07 08:25:04,396 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:25:04,396 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 08:25:04,396 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:25:04,397 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:25:04,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1380775204, now seen corresponding path program 1 times [2018-11-07 08:25:04,397 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:25:04,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:25:04,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:25:04,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:25:04,399 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:25:04,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:25:04,723 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:25:04,724 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 08:25:04,724 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-07 08:25:04,724 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 08:25:04,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-07 08:25:04,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-07 08:25:04,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-07 08:25:04,729 INFO L87 Difference]: Start difference. First operand 356 states and 592 transitions. Second operand 6 states. [2018-11-07 08:25:06,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:25:06,940 INFO L93 Difference]: Finished difference Result 1002 states and 1689 transitions. [2018-11-07 08:25:06,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-07 08:25:06,942 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 112 [2018-11-07 08:25:06,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:25:06,949 INFO L225 Difference]: With dead ends: 1002 [2018-11-07 08:25:06,949 INFO L226 Difference]: Without dead ends: 652 [2018-11-07 08:25:06,955 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-07 08:25:06,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2018-11-07 08:25:06,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 640. [2018-11-07 08:25:06,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 640 states. [2018-11-07 08:25:06,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 960 transitions. [2018-11-07 08:25:06,997 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 960 transitions. Word has length 112 [2018-11-07 08:25:06,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:25:06,998 INFO L480 AbstractCegarLoop]: Abstraction has 640 states and 960 transitions. [2018-11-07 08:25:06,998 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-07 08:25:06,998 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 960 transitions. [2018-11-07 08:25:07,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-07 08:25:07,002 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 08:25:07,002 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 08:25:07,003 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 08:25:07,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:25:07,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1479974744, now seen corresponding path program 1 times [2018-11-07 08:25:07,003 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 08:25:07,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:25:07,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:25:07,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 08:25:07,005 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 08:25:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:25:07,322 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 4 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:25:07,323 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:25:07,323 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-07 08:25:07,324 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 123 with the following transitions: [2018-11-07 08:25:07,326 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [237], [239], [242], [250], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-07 08:25:07,375 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-07 08:25:07,375 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-07 08:25:08,061 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-07 08:25:08,063 INFO L272 AbstractInterpreter]: Visited 88 different actions 168 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-07 08:25:08,095 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 08:25:08,096 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-07 08:25:08,097 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-07 08:25:08,097 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-07 08:25:08,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 08:25:08,115 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-07 08:25:08,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 08:25:08,232 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-07 08:25:13,797 WARN L179 SmtUtils]: Spent 5.11 s on a formula simplification that was a NOOP. DAG size: 43 [2018-11-07 08:25:14,101 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 19 [2018-11-07 08:25:14,277 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 4 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:25:14,278 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-07 08:25:16,025 WARN L179 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 71 DAG size of output: 20 [2018-11-07 08:25:16,910 WARN L179 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2018-11-07 08:25:16,916 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:17,048 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:17,208 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:17,318 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:17,366 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:17,430 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:17,482 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:17,531 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:17,571 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:17,633 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:17,684 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:17,959 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:18,085 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:18,174 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:18,218 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:18,261 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:18,307 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:18,349 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:18,441 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:18,644 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:18,686 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:18,722 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:18,757 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:18,811 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:18,879 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:18,920 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:18,992 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:19,091 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:19,125 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:19,409 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:19,673 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:19,748 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:19,831 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:19,904 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:19,937 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:19,994 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:20,029 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:20,075 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:20,113 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:20,386 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:20,654 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:20,918 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:21,181 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:21,425 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:21,459 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:21,514 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:21,546 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:21,606 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:21,669 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:21,787 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:21,878 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:22,007 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:22,052 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:22,091 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:22,224 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:22,279 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:22,341 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:22,397 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:22,441 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:22,516 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:22,561 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:22,618 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:22,678 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:22,724 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:22,762 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:22,797 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:22,852 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:22,887 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:22,923 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:22,955 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:22,990 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:23,025 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-11-07 08:25:23,218 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 08:25:23,239 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-07 08:25:23,239 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 16 [2018-11-07 08:25:23,239 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-07 08:25:23,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-07 08:25:23,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-07 08:25:23,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2018-11-07 08:25:23,241 INFO L87 Difference]: Start difference. First operand 640 states and 960 transitions. Second operand 12 states. [2018-11-07 08:25:26,366 WARN L179 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 58 DAG size of output: 33 [2018-11-07 08:25:28,957 WARN L179 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 59 DAG size of output: 29 [2018-11-07 08:25:37,955 WARN L179 SmtUtils]: Spent 4.49 s on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2018-11-07 08:25:43,959 WARN L179 SmtUtils]: Spent 5.66 s on a formula simplification that was a NOOP. DAG size: 53 [2018-11-07 08:25:49,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-07 08:25:49,135 INFO L93 Difference]: Finished difference Result 4655 states and 7639 transitions. [2018-11-07 08:25:49,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-07 08:25:49,136 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 122 [2018-11-07 08:25:49,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-07 08:25:49,137 INFO L225 Difference]: With dead ends: 4655 [2018-11-07 08:25:49,137 INFO L226 Difference]: Without dead ends: 0 [2018-11-07 08:25:49,162 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 166 SyntacticMatches, 72 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1077 ImplicationChecksByTransitivity, 29.3s TimeCoverageRelationStatistics Valid=419, Invalid=1303, Unknown=0, NotChecked=0, Total=1722 [2018-11-07 08:25:49,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-07 08:25:49,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-07 08:25:49,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-07 08:25:49,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-07 08:25:49,163 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 122 [2018-11-07 08:25:49,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-07 08:25:49,163 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-07 08:25:49,163 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-07 08:25:49,164 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-07 08:25:49,164 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-07 08:25:49,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-07 08:25:49,407 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-11-07 08:25:49,984 WARN L179 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 23 [2018-11-07 08:25:50,368 WARN L179 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 34 [2018-11-07 08:25:50,474 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-07 08:25:50,474 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-11-07 08:25:50,474 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-07 08:25:50,474 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-07 08:25:50,475 INFO L425 ceAbstractionStarter]: For program point L201(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,475 INFO L425 ceAbstractionStarter]: For program point L168(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,475 INFO L425 ceAbstractionStarter]: For program point L135(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,475 INFO L425 ceAbstractionStarter]: For program point L102(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,475 INFO L425 ceAbstractionStarter]: For program point L69(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,475 INFO L425 ceAbstractionStarter]: For program point L36(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,475 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-07 08:25:50,475 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-07 08:25:50,475 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-07 08:25:50,476 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-07 08:25:50,476 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-07 08:25:50,476 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-07 08:25:50,476 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-07 08:25:50,476 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-07 08:25:50,476 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-07 08:25:50,476 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-07 08:25:50,477 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-07 08:25:50,477 INFO L425 ceAbstractionStarter]: For program point L171(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,477 INFO L425 ceAbstractionStarter]: For program point L138(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,477 INFO L425 ceAbstractionStarter]: For program point L105(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,477 INFO L425 ceAbstractionStarter]: For program point L72(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,477 INFO L425 ceAbstractionStarter]: For program point L39(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,477 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-07 08:25:50,478 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-07 08:25:50,478 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-07 08:25:50,478 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-07 08:25:50,478 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-07 08:25:50,478 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-07 08:25:50,478 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-07 08:25:50,478 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-07 08:25:50,478 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-07 08:25:50,479 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-07 08:25:50,479 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-07 08:25:50,479 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-07 08:25:50,479 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-07 08:25:50,479 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-07 08:25:50,479 INFO L425 ceAbstractionStarter]: For program point L174(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,479 INFO L425 ceAbstractionStarter]: For program point L141(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,479 INFO L425 ceAbstractionStarter]: For program point L75(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,480 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,480 INFO L425 ceAbstractionStarter]: For program point L42(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,480 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-07 08:25:50,480 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-07 08:25:50,480 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-07 08:25:50,480 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-07 08:25:50,480 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-07 08:25:50,480 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-07 08:25:50,481 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-07 08:25:50,481 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-07 08:25:50,481 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-07 08:25:50,481 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-07 08:25:50,481 INFO L425 ceAbstractionStarter]: For program point L177(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,481 INFO L425 ceAbstractionStarter]: For program point L144(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,481 INFO L425 ceAbstractionStarter]: For program point L111(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,482 INFO L425 ceAbstractionStarter]: For program point L78(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,482 INFO L425 ceAbstractionStarter]: For program point L45(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,482 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-07 08:25:50,482 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-07 08:25:50,482 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-07 08:25:50,482 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-07 08:25:50,482 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-07 08:25:50,482 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-07 08:25:50,482 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-07 08:25:50,483 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-07 08:25:50,483 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-07 08:25:50,483 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-07 08:25:50,483 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-07 08:25:50,483 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-07 08:25:50,483 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-07 08:25:50,483 INFO L425 ceAbstractionStarter]: For program point L180(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,484 INFO L425 ceAbstractionStarter]: For program point L147(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,484 INFO L425 ceAbstractionStarter]: For program point L114(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,484 INFO L425 ceAbstractionStarter]: For program point L81(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,484 INFO L425 ceAbstractionStarter]: For program point L48(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,484 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-07 08:25:50,484 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-07 08:25:50,484 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-07 08:25:50,484 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-07 08:25:50,485 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-07 08:25:50,485 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-07 08:25:50,485 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-07 08:25:50,485 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-07 08:25:50,485 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-07 08:25:50,485 INFO L425 ceAbstractionStarter]: For program point L183(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,485 INFO L425 ceAbstractionStarter]: For program point L150(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,485 INFO L425 ceAbstractionStarter]: For program point L117(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,485 INFO L425 ceAbstractionStarter]: For program point L84(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,486 INFO L425 ceAbstractionStarter]: For program point L51(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,486 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,486 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,486 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-07 08:25:50,486 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-07 08:25:50,486 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-07 08:25:50,486 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-07 08:25:50,486 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-07 08:25:50,487 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-07 08:25:50,487 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-07 08:25:50,487 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-07 08:25:50,487 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-07 08:25:50,487 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-07 08:25:50,487 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-07 08:25:50,487 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-07 08:25:50,487 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-07 08:25:50,488 INFO L425 ceAbstractionStarter]: For program point L186(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,488 INFO L425 ceAbstractionStarter]: For program point L153(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,488 INFO L425 ceAbstractionStarter]: For program point L120(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,488 INFO L425 ceAbstractionStarter]: For program point L87(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,488 INFO L425 ceAbstractionStarter]: For program point L54(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,488 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-07 08:25:50,488 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,488 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-07 08:25:50,489 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-07 08:25:50,489 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-07 08:25:50,489 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-07 08:25:50,489 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-07 08:25:50,489 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-07 08:25:50,489 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-07 08:25:50,489 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-07 08:25:50,490 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-07 08:25:50,490 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-07 08:25:50,490 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-07 08:25:50,490 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-07 08:25:50,490 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-07 08:25:50,490 INFO L425 ceAbstractionStarter]: For program point L189(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,490 INFO L425 ceAbstractionStarter]: For program point L156(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,490 INFO L425 ceAbstractionStarter]: For program point L123(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,491 INFO L425 ceAbstractionStarter]: For program point L90(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,491 INFO L425 ceAbstractionStarter]: For program point L57(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,491 INFO L425 ceAbstractionStarter]: For program point L24(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,491 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-07 08:25:50,491 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-07 08:25:50,491 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-07 08:25:50,491 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-07 08:25:50,492 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-07 08:25:50,492 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-07 08:25:50,492 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-07 08:25:50,492 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-07 08:25:50,492 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-07 08:25:50,492 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-07 08:25:50,492 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-07 08:25:50,493 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (= |old(~a10~0)| ~a10~0)) (.cse1 (= ~a1~0 |old(~a1~0)|))) (let ((.cse2 (and .cse0 .cse1))) (and (or (and (or (not (= ~a19~0 8)) (not (= ~a10~0 1))) .cse0 .cse1) (= 8 |old(~a19~0)|)) (or .cse2 (< |old(~a1~0)| 23) (not (= 14 ~a4~0)) (not (= 0 ~a12~0))) (or .cse2 (= 1 |old(~a10~0)|))))) [2018-11-07 08:25:50,493 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-07 08:25:50,493 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-07 08:25:50,493 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-07 08:25:50,493 INFO L425 ceAbstractionStarter]: For program point L192(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,493 INFO L425 ceAbstractionStarter]: For program point L159(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,494 INFO L425 ceAbstractionStarter]: For program point L126(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,494 INFO L425 ceAbstractionStarter]: For program point L93(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,494 INFO L425 ceAbstractionStarter]: For program point L60(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,494 INFO L425 ceAbstractionStarter]: For program point L27(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,494 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-07 08:25:50,494 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-07 08:25:50,494 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-07 08:25:50,494 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-07 08:25:50,495 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-07 08:25:50,495 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-07 08:25:50,495 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-07 08:25:50,495 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-07 08:25:50,495 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-07 08:25:50,495 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-07 08:25:50,495 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-07 08:25:50,496 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-07 08:25:50,496 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-07 08:25:50,496 INFO L425 ceAbstractionStarter]: For program point L195(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,496 INFO L425 ceAbstractionStarter]: For program point L162(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,496 INFO L425 ceAbstractionStarter]: For program point L129(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,496 INFO L425 ceAbstractionStarter]: For program point L96(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,496 INFO L425 ceAbstractionStarter]: For program point L63(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,496 INFO L425 ceAbstractionStarter]: For program point L30(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,497 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-07 08:25:50,497 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-07 08:25:50,497 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-07 08:25:50,497 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 109) no Hoare annotation was computed. [2018-11-07 08:25:50,497 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-07 08:25:50,497 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-07 08:25:50,497 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-07 08:25:50,498 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-07 08:25:50,498 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-07 08:25:50,498 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-07 08:25:50,498 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-07 08:25:50,498 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-07 08:25:50,498 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-07 08:25:50,498 INFO L425 ceAbstractionStarter]: For program point L198(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,498 INFO L425 ceAbstractionStarter]: For program point L165(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,499 INFO L425 ceAbstractionStarter]: For program point L132(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,499 INFO L425 ceAbstractionStarter]: For program point L99(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,499 INFO L425 ceAbstractionStarter]: For program point L66(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,499 INFO L425 ceAbstractionStarter]: For program point L33(lines 20 574) no Hoare annotation was computed. [2018-11-07 08:25:50,499 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-07 08:25:50,499 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-07 08:25:50,499 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-07 08:25:50,499 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-07 08:25:50,499 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-07 08:25:50,500 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-07 08:25:50,500 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-07 08:25:50,500 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-07 08:25:50,500 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-07 08:25:50,500 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-07 08:25:50,500 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-07 08:25:50,500 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-07 08:25:50,500 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-07 08:25:50,501 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 23 ~a1~0) (= 14 ~a4~0) (= ~a12~0 0) (not (= ~a10~0 1)) (not (= ~a10~0 4))) [2018-11-07 08:25:50,501 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-07 08:25:50,501 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-07 08:25:50,501 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) (= 4 |old(~a10~0)|) (< |old(~a1~0)| 23) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (= 1 |old(~a10~0)|)) [2018-11-07 08:25:50,501 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-07 08:25:50,501 INFO L421 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (or (= 4 |old(~a10~0)|) (< |old(~a1~0)| 23) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= ~a10~0 1)) (not (= ~a19~0 8)) (= 1 |old(~a10~0)|) (<= 23 ~a1~0)) [2018-11-07 08:25:50,501 INFO L425 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-07 08:25:50,501 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-07 08:25:50,502 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-11-07 08:25:50,502 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (or (= 4 |old(~a10~0)|) (< |old(~a1~0)| 23) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= ~a10~0 1)) (not (= ~a19~0 8)) (= 1 |old(~a10~0)|) (<= 23 ~a1~0)) [2018-11-07 08:25:50,502 INFO L425 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-11-07 08:25:50,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:25:50 BoogieIcfgContainer [2018-11-07 08:25:50,518 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 08:25:50,519 INFO L168 Benchmark]: Toolchain (without parser) took 52620.23 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.1 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -294.6 MB). Peak memory consumption was 760.2 MB. Max. memory is 7.1 GB. [2018-11-07 08:25:50,521 INFO L168 Benchmark]: CDTParser took 0.19 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 08:25:50,521 INFO L168 Benchmark]: CACSL2BoogieTranslator took 762.70 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: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. [2018-11-07 08:25:50,522 INFO L168 Benchmark]: Boogie Procedure Inliner took 130.87 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 687.9 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -780.3 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. [2018-11-07 08:25:50,523 INFO L168 Benchmark]: Boogie Preprocessor took 110.70 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2018-11-07 08:25:50,524 INFO L168 Benchmark]: RCFGBuilder took 3166.14 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 105.5 MB). Peak memory consumption was 105.5 MB. Max. memory is 7.1 GB. [2018-11-07 08:25:50,524 INFO L168 Benchmark]: TraceAbstraction took 48444.90 ms. Allocated memory was 2.2 GB in the beginning and 2.6 GB in the end (delta: 367.0 MB). Free memory was 2.0 GB in the beginning and 1.7 GB in the end (delta: 332.3 MB). Peak memory consumption was 699.3 MB. Max. memory is 7.1 GB. [2018-11-07 08:25:50,530 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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. * CACSL2BoogieTranslator took 762.70 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: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 130.87 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 687.9 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -780.3 MB). Peak memory consumption was 18.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.70 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3166.14 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 105.5 MB). Peak memory consumption was 105.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 48444.90 ms. Allocated memory was 2.2 GB in the beginning and 2.6 GB in the end (delta: 367.0 MB). Free memory was 2.0 GB in the beginning and 1.7 GB in the end (delta: 332.3 MB). Peak memory consumption was 699.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 109]: 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: 582]: Loop Invariant Derived loop invariant: ((((((4 == \old(a10) || \old(a1) < 23) || !(14 == a4)) || !(0 == a12)) || !(a10 == 1)) || !(a19 == 8)) || 1 == \old(a10)) || 23 <= a1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 48.3s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 29.6s AutomataDifference, 0.0s DeadEndRemovalTime, 1.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 326 SDtfs, 5184 SDslu, 555 SDs, 0 SdLazy, 6375 SolverSat, 1737 SolverUnsat, 50 SolverUnknown, 0 SolverNotchecked, 12.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 293 GetRequests, 170 SyntacticMatches, 75 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1081 ImplicationChecksByTransitivity, 29.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=640occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.7s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 35 PreInvPairs, 81 NumberOfFragments, 164 HoareAnnotationTreeSize, 35 FomulaSimplifications, 1594 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 804 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 15.9s InterpolantComputationTime, 398 NumberOfCodeBlocks, 398 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 515 ConstructedInterpolants, 107 QuantifiedInterpolants, 1120270 SizeOfPredicates, 9 NumberOfNonLiveVariables, 260 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 64/140 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...