java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-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_label22_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 07:28:38,055 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 07:28:38,057 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 07:28:38,072 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 07:28:38,072 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 07:28:38,073 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 07:28:38,075 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 07:28:38,078 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 07:28:38,080 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 07:28:38,081 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 07:28:38,087 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 07:28:38,087 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 07:28:38,088 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 07:28:38,090 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 07:28:38,091 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 07:28:38,093 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 07:28:38,095 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 07:28:38,096 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 07:28:38,102 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 07:28:38,103 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 07:28:38,104 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 07:28:38,107 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 07:28:38,110 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 07:28:38,111 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 07:28:38,112 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 07:28:38,113 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 07:28:38,114 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 07:28:38,114 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 07:28:38,116 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 07:28:38,117 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 07:28:38,117 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 07:28:38,117 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 07:28:38,119 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 07:28:38,120 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 07:28:38,121 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 07:28:38,122 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 07:28:38,122 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-27 07:28:38,147 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 07:28:38,148 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 07:28:38,149 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 07:28:38,149 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 07:28:38,149 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 07:28:38,149 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 07:28:38,149 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-27 07:28:38,150 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 07:28:38,150 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-27 07:28:38,150 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 07:28:38,150 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 07:28:38,150 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 07:28:38,151 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 07:28:38,151 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 07:28:38,152 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 07:28:38,152 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 07:28:38,152 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 07:28:38,152 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 07:28:38,152 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 07:28:38,153 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 07:28:38,153 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 07:28:38,153 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 07:28:38,153 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 07:28:38,153 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 07:28:38,154 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 07:28:38,154 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 07:28:38,154 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 07:28:38,154 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 07:28:38,154 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 07:28:38,155 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 07:28:38,155 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 07:28:38,155 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 07:28:38,155 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 07:28:38,155 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 07:28:38,156 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 07:28:38,156 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 07:28:38,199 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 07:28:38,215 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 07:28:38,219 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 07:28:38,221 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 07:28:38,221 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 07:28:38,222 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label22_true-unreach-call.c [2018-10-27 07:28:38,285 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/0626861da/3e04cc8a9760450ebaab2e856b8a1f3d/FLAG803a4d504 [2018-10-27 07:28:38,830 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 07:28:38,834 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label22_true-unreach-call.c [2018-10-27 07:28:38,851 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/0626861da/3e04cc8a9760450ebaab2e856b8a1f3d/FLAG803a4d504 [2018-10-27 07:28:38,872 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/0626861da/3e04cc8a9760450ebaab2e856b8a1f3d [2018-10-27 07:28:38,885 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 07:28:38,887 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 07:28:38,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 07:28:38,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 07:28:38,895 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 07:28:38,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 07:28:38" (1/1) ... [2018-10-27 07:28:38,900 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4548aa73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:28:38, skipping insertion in model container [2018-10-27 07:28:38,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 07:28:38" (1/1) ... [2018-10-27 07:28:38,914 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 07:28:38,987 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 07:28:39,446 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 07:28:39,452 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 07:28:39,615 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 07:28:39,638 INFO L193 MainTranslator]: Completed translation [2018-10-27 07:28:39,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:28:39 WrapperNode [2018-10-27 07:28:39,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 07:28:39,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 07:28:39,640 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 07:28:39,640 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 07:28:39,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:28:39" (1/1) ... [2018-10-27 07:28:39,674 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:28:39" (1/1) ... [2018-10-27 07:28:39,753 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 07:28:39,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 07:28:39,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 07:28:39,754 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 07:28:39,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:28:39" (1/1) ... [2018-10-27 07:28:39,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:28:39" (1/1) ... [2018-10-27 07:28:39,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:28:39" (1/1) ... [2018-10-27 07:28:39,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:28:39" (1/1) ... [2018-10-27 07:28:39,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:28:39" (1/1) ... [2018-10-27 07:28:39,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:28:39" (1/1) ... [2018-10-27 07:28:39,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:28:39" (1/1) ... [2018-10-27 07:28:39,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 07:28:39,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 07:28:39,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 07:28:39,944 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 07:28:39,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:28:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-27 07:28:40,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 07:28:40,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 07:28:40,032 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 07:28:40,032 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 07:28:40,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 07:28:40,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 07:28:40,033 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 07:28:40,033 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 07:28:43,299 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 07:28:43,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 07:28:43 BoogieIcfgContainer [2018-10-27 07:28:43,300 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 07:28:43,301 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 07:28:43,302 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 07:28:43,305 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 07:28:43,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 07:28:38" (1/3) ... [2018-10-27 07:28:43,306 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ab7e142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 07:28:43, skipping insertion in model container [2018-10-27 07:28:43,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:28:39" (2/3) ... [2018-10-27 07:28:43,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ab7e142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 07:28:43, skipping insertion in model container [2018-10-27 07:28:43,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 07:28:43" (3/3) ... [2018-10-27 07:28:43,309 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label22_true-unreach-call.c [2018-10-27 07:28:43,319 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 07:28:43,330 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 07:28:43,348 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 07:28:43,387 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 07:28:43,387 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 07:28:43,388 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 07:28:43,388 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 07:28:43,388 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 07:28:43,388 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 07:28:43,389 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 07:28:43,389 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 07:28:43,416 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-10-27 07:28:43,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-27 07:28:43,425 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 07:28:43,426 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, 1, 1] [2018-10-27 07:28:43,429 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 07:28:43,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:28:43,434 INFO L82 PathProgramCache]: Analyzing trace with hash 625689180, now seen corresponding path program 1 times [2018-10-27 07:28:43,436 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 07:28:43,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:28:43,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 07:28:43,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:28:43,484 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 07:28:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 07:28:43,936 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 6 DAG size of output: 3 [2018-10-27 07:28:43,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 07:28:43,949 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 07:28:43,949 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 07:28:43,950 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 07:28:43,956 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 07:28:43,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 07:28:43,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 07:28:43,975 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 4 states. [2018-10-27 07:28:46,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 07:28:46,547 INFO L93 Difference]: Finished difference Result 737 states and 1298 transitions. [2018-10-27 07:28:46,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 07:28:46,549 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2018-10-27 07:28:46,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 07:28:46,573 INFO L225 Difference]: With dead ends: 737 [2018-10-27 07:28:46,573 INFO L226 Difference]: Without dead ends: 515 [2018-10-27 07:28:46,582 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 07:28:46,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2018-10-27 07:28:46,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 515. [2018-10-27 07:28:46,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2018-10-27 07:28:46,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 848 transitions. [2018-10-27 07:28:46,671 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 848 transitions. Word has length 44 [2018-10-27 07:28:46,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 07:28:46,672 INFO L481 AbstractCegarLoop]: Abstraction has 515 states and 848 transitions. [2018-10-27 07:28:46,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 07:28:46,672 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 848 transitions. [2018-10-27 07:28:46,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-27 07:28:46,680 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 07:28:46,680 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, 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] [2018-10-27 07:28:46,681 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 07:28:46,681 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:28:46,681 INFO L82 PathProgramCache]: Analyzing trace with hash 2101120931, now seen corresponding path program 1 times [2018-10-27 07:28:46,681 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 07:28:46,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:28:46,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 07:28:46,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:28:46,683 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 07:28:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 07:28:47,038 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 07:28:47,039 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 07:28:47,039 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 07:28:47,039 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 07:28:47,041 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 07:28:47,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 07:28:47,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 07:28:47,042 INFO L87 Difference]: Start difference. First operand 515 states and 848 transitions. Second operand 6 states. [2018-10-27 07:28:49,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 07:28:49,861 INFO L93 Difference]: Finished difference Result 1863 states and 3251 transitions. [2018-10-27 07:28:49,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 07:28:49,862 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 119 [2018-10-27 07:28:49,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 07:28:49,876 INFO L225 Difference]: With dead ends: 1863 [2018-10-27 07:28:49,876 INFO L226 Difference]: Without dead ends: 1354 [2018-10-27 07:28:49,884 INFO L605 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 [2018-10-27 07:28:49,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1354 states. [2018-10-27 07:28:49,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1354 to 1331. [2018-10-27 07:28:49,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1331 states. [2018-10-27 07:28:49,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1331 states and 2051 transitions. [2018-10-27 07:28:49,974 INFO L78 Accepts]: Start accepts. Automaton has 1331 states and 2051 transitions. Word has length 119 [2018-10-27 07:28:49,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 07:28:49,975 INFO L481 AbstractCegarLoop]: Abstraction has 1331 states and 2051 transitions. [2018-10-27 07:28:49,975 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 07:28:49,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 2051 transitions. [2018-10-27 07:28:49,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-27 07:28:49,989 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 07:28:49,989 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, 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] [2018-10-27 07:28:49,990 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 07:28:49,993 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:28:49,993 INFO L82 PathProgramCache]: Analyzing trace with hash 51887807, now seen corresponding path program 1 times [2018-10-27 07:28:49,993 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 07:28:49,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:28:49,994 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 07:28:49,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:28:49,995 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 07:28:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 07:28:50,308 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 07:28:50,390 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 07:28:50,391 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 07:28:50,391 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 07:28:50,391 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 07:28:50,392 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 07:28:50,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 07:28:50,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 07:28:50,393 INFO L87 Difference]: Start difference. First operand 1331 states and 2051 transitions. Second operand 6 states. [2018-10-27 07:28:54,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 07:28:54,543 INFO L93 Difference]: Finished difference Result 3512 states and 5693 transitions. [2018-10-27 07:28:54,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 07:28:54,545 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 121 [2018-10-27 07:28:54,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 07:28:54,564 INFO L225 Difference]: With dead ends: 3512 [2018-10-27 07:28:54,564 INFO L226 Difference]: Without dead ends: 2187 [2018-10-27 07:28:54,575 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 07:28:54,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2018-10-27 07:28:54,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 2165. [2018-10-27 07:28:54,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2165 states. [2018-10-27 07:28:54,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2165 states to 2165 states and 3178 transitions. [2018-10-27 07:28:54,659 INFO L78 Accepts]: Start accepts. Automaton has 2165 states and 3178 transitions. Word has length 121 [2018-10-27 07:28:54,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 07:28:54,660 INFO L481 AbstractCegarLoop]: Abstraction has 2165 states and 3178 transitions. [2018-10-27 07:28:54,661 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 07:28:54,661 INFO L276 IsEmpty]: Start isEmpty. Operand 2165 states and 3178 transitions. [2018-10-27 07:28:54,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-27 07:28:54,665 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 07:28:54,666 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, 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] [2018-10-27 07:28:54,666 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 07:28:54,666 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:28:54,666 INFO L82 PathProgramCache]: Analyzing trace with hash -344279760, now seen corresponding path program 1 times [2018-10-27 07:28:54,667 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 07:28:54,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:28:54,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 07:28:54,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:28:54,669 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 07:28:54,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 07:28:55,045 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-27 07:28:55,243 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-27 07:28:55,464 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-27 07:28:55,488 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 07:28:55,488 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 07:28:55,488 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-27 07:28:55,488 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 07:28:55,489 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 07:28:55,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 07:28:55,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-10-27 07:28:55,490 INFO L87 Difference]: Start difference. First operand 2165 states and 3178 transitions. Second operand 7 states. [2018-10-27 07:28:58,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 07:28:58,042 INFO L93 Difference]: Finished difference Result 5115 states and 7643 transitions. [2018-10-27 07:28:58,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 07:28:58,042 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 124 [2018-10-27 07:28:58,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 07:28:58,057 INFO L225 Difference]: With dead ends: 5115 [2018-10-27 07:28:58,058 INFO L226 Difference]: Without dead ends: 2160 [2018-10-27 07:28:58,074 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-10-27 07:28:58,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2160 states. [2018-10-27 07:28:58,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2160 to 2160. [2018-10-27 07:28:58,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2160 states. [2018-10-27 07:28:58,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 2160 states and 3146 transitions. [2018-10-27 07:28:58,146 INFO L78 Accepts]: Start accepts. Automaton has 2160 states and 3146 transitions. Word has length 124 [2018-10-27 07:28:58,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 07:28:58,146 INFO L481 AbstractCegarLoop]: Abstraction has 2160 states and 3146 transitions. [2018-10-27 07:28:58,146 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 07:28:58,147 INFO L276 IsEmpty]: Start isEmpty. Operand 2160 states and 3146 transitions. [2018-10-27 07:28:58,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-27 07:28:58,150 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 07:28:58,150 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, 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] [2018-10-27 07:28:58,150 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 07:28:58,150 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:28:58,151 INFO L82 PathProgramCache]: Analyzing trace with hash -303205129, now seen corresponding path program 1 times [2018-10-27 07:28:58,151 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 07:28:58,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:28:58,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 07:28:58,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:28:58,152 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 07:28:58,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 07:28:58,444 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 07:28:58,676 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 07:28:58,676 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 07:28:58,676 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 07:28:58,677 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 126 with the following transitions: [2018-10-27 07:28:58,680 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], [241], [249], [253], [255], [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], [535], [538], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-10-27 07:28:58,763 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 07:28:58,764 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 07:28:59,183 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 07:28:59,185 INFO L272 AbstractInterpreter]: Visited 85 different actions 85 times. Never merged. Never widened. Never found a fixpoint. Largest state had 24 variables. [2018-10-27 07:28:59,218 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:28:59,218 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 07:28:59,577 INFO L227 lantSequenceWeakener]: Weakened 119 states. On average, predicates are now at 73.55% of their original sizes. [2018-10-27 07:28:59,577 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 07:28:59,829 INFO L415 sIntCurrentIteration]: We unified 124 AI predicates to 124 [2018-10-27 07:28:59,830 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 07:28:59,831 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 07:28:59,831 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2018-10-27 07:28:59,832 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 07:28:59,832 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 07:28:59,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 07:28:59,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 07:28:59,834 INFO L87 Difference]: Start difference. First operand 2160 states and 3146 transitions. Second operand 6 states. [2018-10-27 07:29:21,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 07:29:21,952 INFO L93 Difference]: Finished difference Result 4460 states and 6503 transitions. [2018-10-27 07:29:21,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 07:29:21,952 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 125 [2018-10-27 07:29:21,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 07:29:21,970 INFO L225 Difference]: With dead ends: 4460 [2018-10-27 07:29:21,970 INFO L226 Difference]: Without dead ends: 2306 [2018-10-27 07:29:21,979 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 125 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-27 07:29:21,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2306 states. [2018-10-27 07:29:22,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2306 to 2304. [2018-10-27 07:29:22,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2304 states. [2018-10-27 07:29:22,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2304 states to 2304 states and 3298 transitions. [2018-10-27 07:29:22,061 INFO L78 Accepts]: Start accepts. Automaton has 2304 states and 3298 transitions. Word has length 125 [2018-10-27 07:29:22,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 07:29:22,062 INFO L481 AbstractCegarLoop]: Abstraction has 2304 states and 3298 transitions. [2018-10-27 07:29:22,062 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 07:29:22,062 INFO L276 IsEmpty]: Start isEmpty. Operand 2304 states and 3298 transitions. [2018-10-27 07:29:22,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-27 07:29:22,065 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 07:29:22,065 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, 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, 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] [2018-10-27 07:29:22,066 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 07:29:22,066 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:29:22,066 INFO L82 PathProgramCache]: Analyzing trace with hash -679371352, now seen corresponding path program 1 times [2018-10-27 07:29:22,066 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 07:29:22,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:29:22,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 07:29:22,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:29:22,070 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 07:29:22,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 07:29:22,343 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 07:29:22,433 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 07:29:22,433 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 07:29:22,434 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 07:29:22,434 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-10-27 07:29:22,434 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], [241], [249], [253], [255], [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], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-10-27 07:29:22,445 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 07:29:22,445 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 07:29:22,728 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 07:29:22,728 INFO L272 AbstractInterpreter]: Visited 123 different actions 240 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-10-27 07:29:22,765 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:29:22,765 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 07:29:22,972 INFO L227 lantSequenceWeakener]: Weakened 157 states. On average, predicates are now at 78.3% of their original sizes. [2018-10-27 07:29:22,972 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 07:29:23,139 INFO L415 sIntCurrentIteration]: We unified 159 AI predicates to 159 [2018-10-27 07:29:23,140 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 07:29:23,141 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 07:29:23,141 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 12 [2018-10-27 07:29:23,141 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 07:29:23,142 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-27 07:29:23,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-27 07:29:23,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-27 07:29:23,147 INFO L87 Difference]: Start difference. First operand 2304 states and 3298 transitions. Second operand 10 states. [2018-10-27 07:30:01,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 07:30:01,354 INFO L93 Difference]: Finished difference Result 5659 states and 8579 transitions. [2018-10-27 07:30:01,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-10-27 07:30:01,355 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 160 [2018-10-27 07:30:01,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 07:30:01,375 INFO L225 Difference]: With dead ends: 5659 [2018-10-27 07:30:01,376 INFO L226 Difference]: Without dead ends: 3505 [2018-10-27 07:30:01,388 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 170 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-10-27 07:30:01,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3505 states. [2018-10-27 07:30:01,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3505 to 3172. [2018-10-27 07:30:01,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3172 states. [2018-10-27 07:30:01,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3172 states to 3172 states and 4369 transitions. [2018-10-27 07:30:01,483 INFO L78 Accepts]: Start accepts. Automaton has 3172 states and 4369 transitions. Word has length 160 [2018-10-27 07:30:01,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 07:30:01,484 INFO L481 AbstractCegarLoop]: Abstraction has 3172 states and 4369 transitions. [2018-10-27 07:30:01,484 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-27 07:30:01,484 INFO L276 IsEmpty]: Start isEmpty. Operand 3172 states and 4369 transitions. [2018-10-27 07:30:01,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-10-27 07:30:01,490 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 07:30:01,490 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-27 07:30:01,490 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 07:30:01,491 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:30:01,491 INFO L82 PathProgramCache]: Analyzing trace with hash -1541672056, now seen corresponding path program 1 times [2018-10-27 07:30:01,491 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 07:30:01,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:30:01,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 07:30:01,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:30:01,492 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 07:30:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 07:30:01,719 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-10-27 07:30:01,720 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 07:30:01,720 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 07:30:01,720 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 07:30:01,720 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 07:30:01,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 07:30:01,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 07:30:01,721 INFO L87 Difference]: Start difference. First operand 3172 states and 4369 transitions. Second operand 4 states. [2018-10-27 07:30:03,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 07:30:03,708 INFO L93 Difference]: Finished difference Result 8296 states and 12136 transitions. [2018-10-27 07:30:03,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 07:30:03,711 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 228 [2018-10-27 07:30:03,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 07:30:03,735 INFO L225 Difference]: With dead ends: 8296 [2018-10-27 07:30:03,736 INFO L226 Difference]: Without dead ends: 4328 [2018-10-27 07:30:03,763 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 07:30:03,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4328 states. [2018-10-27 07:30:03,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4328 to 4321. [2018-10-27 07:30:03,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4321 states. [2018-10-27 07:30:03,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4321 states to 4321 states and 5834 transitions. [2018-10-27 07:30:03,887 INFO L78 Accepts]: Start accepts. Automaton has 4321 states and 5834 transitions. Word has length 228 [2018-10-27 07:30:03,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 07:30:03,887 INFO L481 AbstractCegarLoop]: Abstraction has 4321 states and 5834 transitions. [2018-10-27 07:30:03,887 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 07:30:03,887 INFO L276 IsEmpty]: Start isEmpty. Operand 4321 states and 5834 transitions. [2018-10-27 07:30:03,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2018-10-27 07:30:03,906 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 07:30:03,907 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2018-10-27 07:30:03,907 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 07:30:03,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:30:03,907 INFO L82 PathProgramCache]: Analyzing trace with hash -2023839100, now seen corresponding path program 1 times [2018-10-27 07:30:03,907 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 07:30:03,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:30:03,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 07:30:03,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 07:30:03,909 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 07:30:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 07:30:04,583 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 175 proven. 76 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2018-10-27 07:30:04,584 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 07:30:04,584 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 07:30:04,584 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 357 with the following transitions: [2018-10-27 07:30:04,585 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], [241], [249], [253], [255], [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], [506], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [695], [699], [703], [706], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-10-27 07:30:04,589 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-27 07:30:04,590 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 07:30:04,785 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 07:30:04,786 INFO L272 AbstractInterpreter]: Visited 133 different actions 395 times. Merged at 8 different actions 20 times. Never widened. Found 4 fixpoints after 3 different actions. Largest state had 24 variables. [2018-10-27 07:30:04,824 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 07:30:04,825 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 07:30:04,826 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 07:30:04,826 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-27 07:30:04,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 07:30:04,839 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 07:30:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 07:30:05,009 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 07:30:06,211 WARN L179 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 22 [2018-10-27 07:30:06,524 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 301 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-27 07:30:06,525 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 07:30:07,768 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 301 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-27 07:30:07,790 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 07:30:07,791 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 18 [2018-10-27 07:30:07,791 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 07:30:07,792 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-27 07:30:07,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-27 07:30:07,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2018-10-27 07:30:07,793 INFO L87 Difference]: Start difference. First operand 4321 states and 5834 transitions. Second operand 13 states. [2018-10-27 07:30:15,062 WARN L179 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-27 07:30:20,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 07:30:20,596 INFO L93 Difference]: Finished difference Result 11232 states and 16009 transitions. [2018-10-27 07:30:20,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2018-10-27 07:30:20,597 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 356 [2018-10-27 07:30:20,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 07:30:20,598 INFO L225 Difference]: With dead ends: 11232 [2018-10-27 07:30:20,598 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 07:30:20,682 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 783 GetRequests, 705 SyntacticMatches, 3 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1747 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=1116, Invalid=4736, Unknown=0, NotChecked=0, Total=5852 [2018-10-27 07:30:20,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 07:30:20,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 07:30:20,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 07:30:20,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 07:30:20,683 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 356 [2018-10-27 07:30:20,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 07:30:20,684 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 07:30:20,684 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-27 07:30:20,684 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 07:30:20,684 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 07:30:20,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-27 07:30:20,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 07:30:20,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 07:30:20,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 07:30:20,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 07:30:20,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 07:30:20,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 07:30:20,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 07:30:20,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 07:30:20,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 07:30:20,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 07:30:20,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 07:30:20,971 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 86 [2018-10-27 07:30:20,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 07:30:20,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 07:30:20,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 07:30:21,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 07:30:21,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-27 07:30:21,415 WARN L179 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 15 [2018-10-27 07:30:22,179 WARN L179 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2018-10-27 07:30:23,966 WARN L179 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 159 DAG size of output: 55 [2018-10-27 07:30:24,380 WARN L179 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 42 [2018-10-27 07:30:24,600 WARN L179 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 46 [2018-10-27 07:30:24,603 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-27 07:30:24,604 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~a10~0)| ~a10~0) [2018-10-27 07:30:24,604 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-27 07:30:24,604 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-10-27 07:30:24,604 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,604 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,604 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,604 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,605 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,605 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,605 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-10-27 07:30:24,605 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-10-27 07:30:24,605 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-10-27 07:30:24,605 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-10-27 07:30:24,605 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-10-27 07:30:24,605 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-10-27 07:30:24,606 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-10-27 07:30:24,606 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-10-27 07:30:24,606 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-10-27 07:30:24,606 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-10-27 07:30:24,606 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-10-27 07:30:24,606 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,606 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,606 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,606 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,607 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,607 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-10-27 07:30:24,607 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-10-27 07:30:24,607 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-10-27 07:30:24,607 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-10-27 07:30:24,607 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-10-27 07:30:24,607 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-10-27 07:30:24,607 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-10-27 07:30:24,607 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-10-27 07:30:24,608 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-10-27 07:30:24,608 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-10-27 07:30:24,608 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-10-27 07:30:24,608 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-10-27 07:30:24,608 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-10-27 07:30:24,608 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-10-27 07:30:24,608 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,609 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,609 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,609 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,609 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,609 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-10-27 07:30:24,609 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-10-27 07:30:24,609 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-10-27 07:30:24,609 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-10-27 07:30:24,610 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-10-27 07:30:24,610 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-10-27 07:30:24,610 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-10-27 07:30:24,610 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-10-27 07:30:24,610 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-10-27 07:30:24,610 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-10-27 07:30:24,610 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,610 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,610 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,611 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,611 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,611 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-10-27 07:30:24,611 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-10-27 07:30:24,611 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-10-27 07:30:24,611 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-10-27 07:30:24,611 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-10-27 07:30:24,611 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-10-27 07:30:24,612 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-10-27 07:30:24,612 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-10-27 07:30:24,612 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-10-27 07:30:24,612 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-10-27 07:30:24,612 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-10-27 07:30:24,612 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-10-27 07:30:24,612 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-10-27 07:30:24,612 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,612 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,613 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,613 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,613 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,613 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-10-27 07:30:24,613 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-10-27 07:30:24,613 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-10-27 07:30:24,613 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-10-27 07:30:24,613 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-10-27 07:30:24,614 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-10-27 07:30:24,614 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-10-27 07:30:24,614 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-10-27 07:30:24,614 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-10-27 07:30:24,614 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,614 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,614 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,614 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,615 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,615 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,615 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,615 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-10-27 07:30:24,615 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-10-27 07:30:24,615 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-10-27 07:30:24,615 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-10-27 07:30:24,615 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-10-27 07:30:24,616 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-10-27 07:30:24,616 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-10-27 07:30:24,616 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-10-27 07:30:24,616 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-10-27 07:30:24,616 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-10-27 07:30:24,616 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-10-27 07:30:24,616 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-10-27 07:30:24,616 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-10-27 07:30:24,616 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,617 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,617 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,617 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,617 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-10-27 07:30:24,617 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,617 INFO L425 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,617 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-10-27 07:30:24,618 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-10-27 07:30:24,618 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-10-27 07:30:24,618 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-10-27 07:30:24,618 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-10-27 07:30:24,618 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-10-27 07:30:24,618 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-10-27 07:30:24,618 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-10-27 07:30:24,618 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-10-27 07:30:24,618 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-10-27 07:30:24,619 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-10-27 07:30:24,619 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-10-27 07:30:24,619 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-10-27 07:30:24,619 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,619 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,619 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,619 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,619 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,619 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,620 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-10-27 07:30:24,620 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-10-27 07:30:24,620 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-10-27 07:30:24,620 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-10-27 07:30:24,620 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-10-27 07:30:24,620 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-10-27 07:30:24,620 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-10-27 07:30:24,620 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-10-27 07:30:24,620 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-10-27 07:30:24,621 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-10-27 07:30:24,621 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-10-27 07:30:24,621 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse5 (<= |old(~a1~0)| ~a1~0)) (.cse6 (= |old(~a10~0)| ~a10~0))) (let ((.cse3 (not (= 7 ~a19~0))) (.cse4 (<= ~a1~0 218)) (.cse10 (not (= 9 |old(~a19~0)|))) (.cse11 (= |calculate_output_#in~input| 0)) (.cse12 (and .cse5 .cse6)) (.cse14 (= 8 ~a19~0)) (.cse13 (not (= 8 |old(~a19~0)|))) (.cse7 (< 218 |old(~a1~0)|)) (.cse8 (= 3 |old(~a10~0)|)) (.cse9 (= 0 |old(~a10~0)|)) (.cse0 (= 7 |old(~a19~0)|)) (.cse15 (<= ~a1~0 23)) (.cse1 (not (= 14 ~a4~0))) (.cse2 (not (= 0 ~a12~0))) (.cse16 (< 23 |old(~a1~0)|))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6) .cse7) (or .cse8 .cse0 .cse1 .cse2 .cse9 .cse3) (or .cse8 .cse4 .cse1 .cse2 .cse7 .cse9) (or (= ~a19~0 9) .cse1 .cse2 .cse10 .cse11) (or .cse8 .cse1 .cse2 .cse12 .cse9) (or .cse8 .cse13 .cse1 .cse2 (and .cse14 .cse6)) (or .cse1 .cse2 .cse10 .cse11 .cse12) (or .cse14 .cse13 .cse1 .cse2 .cse7) (or .cse8 .cse1 .cse2 .cse15 .cse9 .cse16) (or .cse0 .cse15 .cse1 .cse2 .cse16)))) [2018-10-27 07:30:24,621 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-10-27 07:30:24,622 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-10-27 07:30:24,622 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-10-27 07:30:24,622 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,622 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,622 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,622 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,622 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,622 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,622 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-10-27 07:30:24,623 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-10-27 07:30:24,623 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-10-27 07:30:24,623 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-10-27 07:30:24,623 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-10-27 07:30:24,623 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-10-27 07:30:24,623 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-10-27 07:30:24,623 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-10-27 07:30:24,623 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-10-27 07:30:24,624 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-10-27 07:30:24,624 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-10-27 07:30:24,624 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-10-27 07:30:24,624 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-10-27 07:30:24,624 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,624 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,624 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,624 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,625 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,625 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,625 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-10-27 07:30:24,625 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-10-27 07:30:24,625 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-10-27 07:30:24,625 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-10-27 07:30:24,625 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-10-27 07:30:24,625 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-10-27 07:30:24,625 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-10-27 07:30:24,626 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 115) no Hoare annotation was computed. [2018-10-27 07:30:24,626 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-10-27 07:30:24,626 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-10-27 07:30:24,626 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-10-27 07:30:24,626 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-10-27 07:30:24,626 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-10-27 07:30:24,626 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,626 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,627 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,627 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,627 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,627 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-10-27 07:30:24,627 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-10-27 07:30:24,627 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-10-27 07:30:24,627 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-10-27 07:30:24,627 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-10-27 07:30:24,628 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-10-27 07:30:24,628 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-10-27 07:30:24,628 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-10-27 07:30:24,628 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-10-27 07:30:24,628 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-10-27 07:30:24,628 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-10-27 07:30:24,628 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-10-27 07:30:24,628 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-10-27 07:30:24,629 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-27 07:30:24,629 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 9) (= ~a10~0 0) (= ~a12~0 0) (= ~a1~0 23) (= ~a4~0 14)) [2018-10-27 07:30:24,629 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-27 07:30:24,629 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-27 07:30:24,629 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (= ~a19~0 9) (= ~a1~0 23) (= |old(~a10~0)| ~a10~0)) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|))) [2018-10-27 07:30:24,629 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-10-27 07:30:24,630 INFO L421 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse2 (not (= 0 ~a10~0))) (.cse3 (not (= 7 ~a19~0))) (.cse1 (<= ~a1~0 218)) (.cse0 (not (= ~a10~0 3)))) (or (and (not (= main_~input~0 0)) (= ~a19~0 9)) (not (= 23 |old(~a1~0)|)) (and .cse0 .cse1 .cse2) (not (= 0 ~a12~0)) (and .cse0 .cse3 .cse2) (not (= 9 |old(~a19~0)|)) (= 1 ~a10~0) (not (= 0 |old(~a10~0)|)) (and .cse3 .cse1) (not (= 14 ~a4~0)) (and .cse0 (= 8 ~a19~0)))) [2018-10-27 07:30:24,630 INFO L425 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-10-27 07:30:24,630 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-10-27 07:30:24,630 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-10-27 07:30:24,630 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (let ((.cse2 (not (= 0 ~a10~0))) (.cse3 (not (= 7 ~a19~0))) (.cse1 (<= ~a1~0 218)) (.cse0 (not (= ~a10~0 3)))) (or (not (= 23 |old(~a1~0)|)) (and .cse0 .cse1 .cse2) (not (= 0 ~a12~0)) (and .cse0 .cse3 .cse2) (not (= 9 |old(~a19~0)|)) (= 1 ~a10~0) (not (= 0 |old(~a10~0)|)) (and .cse3 .cse1) (not (= 14 ~a4~0)) (= ~a19~0 9) (and .cse0 (= 8 ~a19~0)))) [2018-10-27 07:30:24,630 INFO L425 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-10-27 07:30:24,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 07:30:24 BoogieIcfgContainer [2018-10-27 07:30:24,642 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 07:30:24,643 INFO L168 Benchmark]: Toolchain (without parser) took 105757.49 ms. Allocated memory was 1.5 GB in the beginning and 4.2 GB in the end (delta: 2.6 GB). Free memory was 1.4 GB in the beginning and 3.9 GB in the end (delta: -2.5 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-10-27 07:30:24,645 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-10-27 07:30:24,645 INFO L168 Benchmark]: CACSL2BoogieTranslator took 750.09 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-27 07:30:24,646 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.88 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. [2018-10-27 07:30:24,647 INFO L168 Benchmark]: Boogie Preprocessor took 189.79 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 755.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -841.3 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2018-10-27 07:30:24,648 INFO L168 Benchmark]: RCFGBuilder took 3356.83 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: 119.4 MB). Peak memory consumption was 119.4 MB. Max. memory is 7.1 GB. [2018-10-27 07:30:24,649 INFO L168 Benchmark]: TraceAbstraction took 101341.10 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 3.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-10-27 07:30:24,657 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 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 750.09 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 113.88 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 Preprocessor took 189.79 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 755.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -841.3 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3356.83 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: 119.4 MB). Peak memory consumption was 119.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 101341.10 ms. Allocated memory was 2.3 GB in the beginning and 4.2 GB in the end (delta: 1.9 GB). Free memory was 2.1 GB in the beginning and 3.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 115]: 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: (((((((((!(23 == \old(a1)) || ((!(a10 == 3) && a1 <= 218) && !(0 == a10))) || !(0 == a12)) || ((!(a10 == 3) && !(7 == a19)) && !(0 == a10))) || !(9 == \old(a19))) || 1 == a10) || !(0 == \old(a10))) || (!(7 == a19) && a1 <= 218)) || !(14 == a4)) || a19 == 9) || (!(a10 == 3) && 8 == a19) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 101.2s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 87.5s AutomataDifference, 0.0s DeadEndRemovalTime, 3.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 948 SDtfs, 8374 SDslu, 1461 SDs, 0 SdLazy, 12529 SolverSat, 3213 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 62.9s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1122 GetRequests, 993 SyntacticMatches, 5 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1821 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4321occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.1s AbstIntTime, 3 AbstIntIterations, 2 AbstIntStrong, 0.9968678230474113 AbsIntWeakeningRatio, 0.1413427561837456 AbsIntAvgWeakeningVarsNumRemoved, 14.229681978798586 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 8 MinimizatonAttempts, 387 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 132 PreInvPairs, 238 NumberOfFragments, 415 HoareAnnotationTreeSize, 132 FomulaSimplifications, 6412 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4128 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 1633 NumberOfCodeBlocks, 1633 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1979 ConstructedInterpolants, 0 QuantifiedInterpolants, 3240286 SizeOfPredicates, 8 NumberOfNonLiveVariables, 566 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 10 InterpolantComputations, 5 PerfectInterpolantSequences, 1303/1449 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...