java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label02_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-63daa26 [2018-11-12 18:28:06,060 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-12 18:28:06,062 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-12 18:28:06,083 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-12 18:28:06,084 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-12 18:28:06,085 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-12 18:28:06,086 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-12 18:28:06,088 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-12 18:28:06,090 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-12 18:28:06,092 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-12 18:28:06,094 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-12 18:28:06,095 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-12 18:28:06,096 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-12 18:28:06,097 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-12 18:28:06,103 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-12 18:28:06,104 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-12 18:28:06,104 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-12 18:28:06,109 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-12 18:28:06,114 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-12 18:28:06,117 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-12 18:28:06,121 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-12 18:28:06,122 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-12 18:28:06,124 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-12 18:28:06,125 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-12 18:28:06,125 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-12 18:28:06,126 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-12 18:28:06,126 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-12 18:28:06,127 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-12 18:28:06,128 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-12 18:28:06,129 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-12 18:28:06,129 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-12 18:28:06,130 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-12 18:28:06,130 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-12 18:28:06,130 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-12 18:28:06,131 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-12 18:28:06,132 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-12 18:28:06,132 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT-LIM.epf [2018-11-12 18:28:06,148 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-12 18:28:06,148 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-12 18:28:06,149 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-12 18:28:06,149 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-12 18:28:06,149 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-12 18:28:06,153 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-12 18:28:06,153 INFO L133 SettingsManager]: * Maximum recursion depth of evaluation operations=6 [2018-11-12 18:28:06,153 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-12 18:28:06,153 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-12 18:28:06,154 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-12 18:28:06,154 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-12 18:28:06,154 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-12 18:28:06,154 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-12 18:28:06,155 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-12 18:28:06,155 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-12 18:28:06,155 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-12 18:28:06,156 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-12 18:28:06,157 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-12 18:28:06,157 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-12 18:28:06,157 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-12 18:28:06,157 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-12 18:28:06,158 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-12 18:28:06,158 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-12 18:28:06,158 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-12 18:28:06,158 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-12 18:28:06,158 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-12 18:28:06,159 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-12 18:28:06,159 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-12 18:28:06,159 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-12 18:28:06,160 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-12 18:28:06,160 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-12 18:28:06,160 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-12 18:28:06,160 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-12 18:28:06,160 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-12 18:28:06,160 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-12 18:28:06,232 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-12 18:28:06,252 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-12 18:28:06,256 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-12 18:28:06,257 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-12 18:28:06,258 INFO L276 PluginConnector]: CDTParser initialized [2018-11-12 18:28:06,258 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label02_true-unreach-call.c [2018-11-12 18:28:06,326 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d111de0d/e1f7be2be1e349569deb12ab54d3f1aa/FLAG6093e7984 [2018-11-12 18:28:06,896 INFO L298 CDTParser]: Found 1 translation units. [2018-11-12 18:28:06,897 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label02_true-unreach-call.c [2018-11-12 18:28:06,915 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d111de0d/e1f7be2be1e349569deb12ab54d3f1aa/FLAG6093e7984 [2018-11-12 18:28:06,934 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d111de0d/e1f7be2be1e349569deb12ab54d3f1aa [2018-11-12 18:28:06,947 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-12 18:28:06,949 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-12 18:28:06,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-12 18:28:06,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-12 18:28:06,956 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-12 18:28:06,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:28:06" (1/1) ... [2018-11-12 18:28:06,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@691a329e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:28:06, skipping insertion in model container [2018-11-12 18:28:06,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 06:28:06" (1/1) ... [2018-11-12 18:28:06,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-12 18:28:07,045 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-12 18:28:07,522 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 18:28:07,526 INFO L189 MainTranslator]: Completed pre-run [2018-11-12 18:28:07,683 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-12 18:28:07,703 INFO L193 MainTranslator]: Completed translation [2018-11-12 18:28:07,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:28:07 WrapperNode [2018-11-12 18:28:07,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-12 18:28:07,704 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-12 18:28:07,704 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-12 18:28:07,710 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-12 18:28:07,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:28:07" (1/1) ... [2018-11-12 18:28:07,831 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:28:07" (1/1) ... [2018-11-12 18:28:07,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-12 18:28:07,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-12 18:28:07,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-12 18:28:07,842 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-12 18:28:07,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:28:07" (1/1) ... [2018-11-12 18:28:07,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:28:07" (1/1) ... [2018-11-12 18:28:07,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:28:07" (1/1) ... [2018-11-12 18:28:07,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:28:07" (1/1) ... [2018-11-12 18:28:07,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:28:07" (1/1) ... [2018-11-12 18:28:07,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:28:07" (1/1) ... [2018-11-12 18:28:07,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:28:07" (1/1) ... [2018-11-12 18:28:07,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-12 18:28:07,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-12 18:28:07,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-12 18:28:07,965 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-12 18:28:07,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:28:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-12 18:28:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-12 18:28:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-12 18:28:08,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-12 18:28:08,038 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-12 18:28:08,039 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-12 18:28:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-12 18:28:08,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-12 18:28:08,040 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-12 18:28:08,041 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-12 18:28:11,302 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-12 18:28:11,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:28:11 BoogieIcfgContainer [2018-11-12 18:28:11,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-12 18:28:11,304 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-12 18:28:11,305 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-12 18:28:11,308 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-12 18:28:11,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 06:28:06" (1/3) ... [2018-11-12 18:28:11,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46f1af55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:28:11, skipping insertion in model container [2018-11-12 18:28:11,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 06:28:07" (2/3) ... [2018-11-12 18:28:11,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46f1af55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 06:28:11, skipping insertion in model container [2018-11-12 18:28:11,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 06:28:11" (3/3) ... [2018-11-12 18:28:11,312 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label02_true-unreach-call.c [2018-11-12 18:28:11,322 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-12 18:28:11,330 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-12 18:28:11,344 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-12 18:28:11,382 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-12 18:28:11,382 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-12 18:28:11,382 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-12 18:28:11,383 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-12 18:28:11,383 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-12 18:28:11,385 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-12 18:28:11,385 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-12 18:28:11,385 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-12 18:28:11,413 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-11-12 18:28:11,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-12 18:28:11,424 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:28:11,430 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 18:28:11,433 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:28:11,438 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:28:11,438 INFO L82 PathProgramCache]: Analyzing trace with hash 417311892, now seen corresponding path program 1 times [2018-11-12 18:28:11,440 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:28:11,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:28:11,485 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:28:11,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:28:11,486 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:28:11,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:28:11,918 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 18:28:12,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 18:28:12,044 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 18:28:12,044 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-12 18:28:12,045 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:28:12,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-12 18:28:12,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-12 18:28:12,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 18:28:12,071 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-11-12 18:28:13,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:28:13,956 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-11-12 18:28:13,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-12 18:28:13,959 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2018-11-12 18:28:13,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:28:13,976 INFO L225 Difference]: With dead ends: 574 [2018-11-12 18:28:13,976 INFO L226 Difference]: Without dead ends: 356 [2018-11-12 18:28:13,984 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-12 18:28:14,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-11-12 18:28:14,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-11-12 18:28:14,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-11-12 18:28:14,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 609 transitions. [2018-11-12 18:28:14,097 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 609 transitions. Word has length 66 [2018-11-12 18:28:14,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:28:14,098 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 609 transitions. [2018-11-12 18:28:14,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-12 18:28:14,099 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 609 transitions. [2018-11-12 18:28:14,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-12 18:28:14,113 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:28:14,114 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, 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] [2018-11-12 18:28:14,115 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:28:14,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:28:14,116 INFO L82 PathProgramCache]: Analyzing trace with hash 318918200, now seen corresponding path program 1 times [2018-11-12 18:28:14,117 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:28:14,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:28:14,118 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:28:14,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:28:14,118 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:28:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:28:14,509 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 18:28:14,509 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 18:28:14,510 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-12 18:28:14,510 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:28:14,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-12 18:28:14,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-12 18:28:14,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-12 18:28:14,513 INFO L87 Difference]: Start difference. First operand 356 states and 609 transitions. Second operand 4 states. [2018-11-12 18:28:16,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:28:16,451 INFO L93 Difference]: Finished difference Result 1282 states and 2328 transitions. [2018-11-12 18:28:16,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-12 18:28:16,453 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 186 [2018-11-12 18:28:16,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:28:16,463 INFO L225 Difference]: With dead ends: 1282 [2018-11-12 18:28:16,464 INFO L226 Difference]: Without dead ends: 932 [2018-11-12 18:28:16,470 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-12 18:28:16,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2018-11-12 18:28:16,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 932. [2018-11-12 18:28:16,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 932 states. [2018-11-12 18:28:16,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1469 transitions. [2018-11-12 18:28:16,544 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1469 transitions. Word has length 186 [2018-11-12 18:28:16,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:28:16,545 INFO L480 AbstractCegarLoop]: Abstraction has 932 states and 1469 transitions. [2018-11-12 18:28:16,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-12 18:28:16,545 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1469 transitions. [2018-11-12 18:28:16,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-12 18:28:16,559 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:28:16,559 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, 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] [2018-11-12 18:28:16,561 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:28:16,561 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:28:16,561 INFO L82 PathProgramCache]: Analyzing trace with hash 1715361491, now seen corresponding path program 1 times [2018-11-12 18:28:16,562 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:28:16,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:28:16,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:28:16,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:28:16,564 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:28:16,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:28:16,871 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 18:28:17,138 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 18:28:17,139 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 18:28:17,139 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-12 18:28:17,139 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:28:17,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-12 18:28:17,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-12 18:28:17,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-12 18:28:17,141 INFO L87 Difference]: Start difference. First operand 932 states and 1469 transitions. Second operand 6 states. [2018-11-12 18:28:20,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:28:20,903 INFO L93 Difference]: Finished difference Result 2162 states and 3509 transitions. [2018-11-12 18:28:20,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 18:28:20,904 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 193 [2018-11-12 18:28:20,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:28:20,914 INFO L225 Difference]: With dead ends: 2162 [2018-11-12 18:28:20,915 INFO L226 Difference]: Without dead ends: 1236 [2018-11-12 18:28:20,923 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-12 18:28:20,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1236 states. [2018-11-12 18:28:20,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1236 to 1216. [2018-11-12 18:28:20,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1216 states. [2018-11-12 18:28:20,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 1216 states and 1766 transitions. [2018-11-12 18:28:20,973 INFO L78 Accepts]: Start accepts. Automaton has 1216 states and 1766 transitions. Word has length 193 [2018-11-12 18:28:20,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:28:20,974 INFO L480 AbstractCegarLoop]: Abstraction has 1216 states and 1766 transitions. [2018-11-12 18:28:20,974 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-12 18:28:20,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1766 transitions. [2018-11-12 18:28:20,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-12 18:28:20,983 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:28:20,983 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 18:28:20,984 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:28:20,984 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:28:20,984 INFO L82 PathProgramCache]: Analyzing trace with hash 475531563, now seen corresponding path program 1 times [2018-11-12 18:28:20,984 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:28:20,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:28:20,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:28:20,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:28:20,986 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:28:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:28:21,261 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 18:28:21,692 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 118 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-12 18:28:21,692 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:28:21,692 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 18:28:21,696 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 264 with the following transitions: [2018-11-12 18:28:21,700 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], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [494], [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], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [722], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-12 18:28:21,781 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 18:28:21,782 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 18:28:22,450 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 18:28:22,453 INFO L272 AbstractInterpreter]: Visited 132 different actions 132 times. Never merged. Never widened. Performed 1243 root evaluator evaluations with a maximum evaluation depth of 5. Performed 1243 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Never found a fixpoint. Largest state had 24 variables. [2018-11-12 18:28:22,494 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:28:22,495 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 18:28:23,151 INFO L227 lantSequenceWeakener]: Weakened 254 states. On average, predicates are now at 73.5% of their original sizes. [2018-11-12 18:28:23,152 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 18:28:23,492 INFO L415 sIntCurrentIteration]: We unified 262 AI predicates to 262 [2018-11-12 18:28:23,492 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 18:28:23,493 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 18:28:23,493 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-11-12 18:28:23,493 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:28:23,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-12 18:28:23,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-12 18:28:23,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-12 18:28:23,495 INFO L87 Difference]: Start difference. First operand 1216 states and 1766 transitions. Second operand 7 states. [2018-11-12 18:28:26,313 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 18:28:38,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:28:38,993 INFO L93 Difference]: Finished difference Result 2572 states and 3765 transitions. [2018-11-12 18:28:38,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-12 18:28:38,993 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 263 [2018-11-12 18:28:38,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:28:39,001 INFO L225 Difference]: With dead ends: 2572 [2018-11-12 18:28:39,001 INFO L226 Difference]: Without dead ends: 1362 [2018-11-12 18:28:39,007 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 263 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-12 18:28:39,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1362 states. [2018-11-12 18:28:39,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1362 to 1360. [2018-11-12 18:28:39,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1360 states. [2018-11-12 18:28:39,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1360 states to 1360 states and 1918 transitions. [2018-11-12 18:28:39,044 INFO L78 Accepts]: Start accepts. Automaton has 1360 states and 1918 transitions. Word has length 263 [2018-11-12 18:28:39,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:28:39,045 INFO L480 AbstractCegarLoop]: Abstraction has 1360 states and 1918 transitions. [2018-11-12 18:28:39,045 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-12 18:28:39,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1360 states and 1918 transitions. [2018-11-12 18:28:39,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-11-12 18:28:39,053 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:28:39,053 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-12 18:28:39,054 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:28:39,054 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:28:39,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1437912543, now seen corresponding path program 1 times [2018-11-12 18:28:39,054 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:28:39,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:28:39,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:28:39,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:28:39,058 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:28:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:28:39,598 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 196 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-12 18:28:39,599 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:28:39,599 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 18:28:39,599 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 274 with the following transitions: [2018-11-12 18:28:39,600 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], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [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], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [722], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-12 18:28:39,605 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 18:28:39,605 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 18:28:39,709 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 18:28:40,746 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 18:28:40,747 INFO L272 AbstractInterpreter]: Visited 135 different actions 780 times. Merged at 5 different actions 25 times. Widened at 1 different actions 1 times. Performed 9790 root evaluator evaluations with a maximum evaluation depth of 6. Performed 9790 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-12 18:28:40,790 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:28:40,790 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 18:28:41,266 INFO L227 lantSequenceWeakener]: Weakened 270 states. On average, predicates are now at 73.48% of their original sizes. [2018-11-12 18:28:41,266 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 18:28:41,910 INFO L415 sIntCurrentIteration]: We unified 272 AI predicates to 272 [2018-11-12 18:28:41,911 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 18:28:41,911 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 18:28:41,911 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-12 18:28:41,911 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:28:41,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-12 18:28:41,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-12 18:28:41,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-12 18:28:41,913 INFO L87 Difference]: Start difference. First operand 1360 states and 1918 transitions. Second operand 10 states. [2018-11-12 18:28:54,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:28:54,243 INFO L93 Difference]: Finished difference Result 3544 states and 5218 transitions. [2018-11-12 18:28:54,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-12 18:28:54,243 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 273 [2018-11-12 18:28:54,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:28:54,256 INFO L225 Difference]: With dead ends: 3544 [2018-11-12 18:28:54,256 INFO L226 Difference]: Without dead ends: 2334 [2018-11-12 18:28:54,265 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 280 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2018-11-12 18:28:54,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2334 states. [2018-11-12 18:28:54,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2334 to 2311. [2018-11-12 18:28:54,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2311 states. [2018-11-12 18:28:54,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2311 states to 2311 states and 3078 transitions. [2018-11-12 18:28:54,327 INFO L78 Accepts]: Start accepts. Automaton has 2311 states and 3078 transitions. Word has length 273 [2018-11-12 18:28:54,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:28:54,327 INFO L480 AbstractCegarLoop]: Abstraction has 2311 states and 3078 transitions. [2018-11-12 18:28:54,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-12 18:28:54,328 INFO L276 IsEmpty]: Start isEmpty. Operand 2311 states and 3078 transitions. [2018-11-12 18:28:54,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-11-12 18:28:54,340 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:28:54,340 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, 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, 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] [2018-11-12 18:28:54,340 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:28:54,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:28:54,341 INFO L82 PathProgramCache]: Analyzing trace with hash 722645095, now seen corresponding path program 1 times [2018-11-12 18:28:54,341 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:28:54,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:28:54,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:28:54,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:28:54,342 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:28:54,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:28:54,653 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-12 18:28:55,198 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 119 proven. 46 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-12 18:28:55,199 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:28:55,199 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 18:28:55,199 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 310 with the following transitions: [2018-11-12 18:28:55,200 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], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [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], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [722], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-12 18:28:55,204 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 18:28:55,204 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 18:28:55,358 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 18:28:55,540 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-12 18:28:55,540 INFO L272 AbstractInterpreter]: Visited 135 different actions 266 times. Merged at 5 different actions 7 times. Never widened. Performed 3962 root evaluator evaluations with a maximum evaluation depth of 6. Performed 3962 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-12 18:28:55,577 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:28:55,578 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-12 18:28:56,011 INFO L227 lantSequenceWeakener]: Weakened 121 states. On average, predicates are now at 76.87% of their original sizes. [2018-11-12 18:28:56,012 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-12 18:28:56,596 INFO L415 sIntCurrentIteration]: We unified 308 AI predicates to 308 [2018-11-12 18:28:56,597 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-12 18:28:56,597 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-12 18:28:56,597 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [23] imperfect sequences [6] total 27 [2018-11-12 18:28:56,597 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:28:56,598 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-11-12 18:28:56,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-11-12 18:28:56,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=399, Unknown=0, NotChecked=0, Total=506 [2018-11-12 18:28:56,599 INFO L87 Difference]: Start difference. First operand 2311 states and 3078 transitions. Second operand 23 states. [2018-11-12 18:29:20,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:29:20,346 INFO L93 Difference]: Finished difference Result 5559 states and 7731 transitions. [2018-11-12 18:29:20,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-11-12 18:29:20,347 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 309 [2018-11-12 18:29:20,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:29:20,365 INFO L225 Difference]: With dead ends: 5559 [2018-11-12 18:29:20,365 INFO L226 Difference]: Without dead ends: 3398 [2018-11-12 18:29:20,376 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 333 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 564 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=417, Invalid=1839, Unknown=0, NotChecked=0, Total=2256 [2018-11-12 18:29:20,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3398 states. [2018-11-12 18:29:20,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3398 to 3004. [2018-11-12 18:29:20,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3004 states. [2018-11-12 18:29:20,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3004 states to 3004 states and 3869 transitions. [2018-11-12 18:29:20,453 INFO L78 Accepts]: Start accepts. Automaton has 3004 states and 3869 transitions. Word has length 309 [2018-11-12 18:29:20,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:29:20,453 INFO L480 AbstractCegarLoop]: Abstraction has 3004 states and 3869 transitions. [2018-11-12 18:29:20,453 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-11-12 18:29:20,454 INFO L276 IsEmpty]: Start isEmpty. Operand 3004 states and 3869 transitions. [2018-11-12 18:29:20,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2018-11-12 18:29:20,468 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:29:20,469 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, 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, 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] [2018-11-12 18:29:20,469 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:29:20,469 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:29:20,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1243169124, now seen corresponding path program 1 times [2018-11-12 18:29:20,470 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:29:20,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:29:20,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:29:20,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:29:20,471 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:29:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:29:21,199 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 253 proven. 72 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-12 18:29:21,199 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:29:21,199 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 18:29:21,200 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 347 with the following transitions: [2018-11-12 18:29:21,200 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], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [534], [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], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [722], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-12 18:29:21,206 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 18:29:21,206 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 18:29:21,268 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 18:29:21,854 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-12 18:29:21,854 INFO L272 AbstractInterpreter]: Visited 137 different actions 811 times. Merged at 8 different actions 49 times. Widened at 1 different actions 1 times. Performed 10158 root evaluator evaluations with a maximum evaluation depth of 6. Performed 10158 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 10 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-12 18:29:21,880 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:29:21,881 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-12 18:29:21,881 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:29:21,882 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-12 18:29:21,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:29:21,897 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-12 18:29:22,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:29:22,053 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-12 18:29:22,341 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 341 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-12 18:29:22,341 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-12 18:29:23,088 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 253 proven. 72 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-12 18:29:23,110 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-12 18:29:23,110 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 15 [2018-11-12 18:29:23,110 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-12 18:29:23,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-12 18:29:23,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-12 18:29:23,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-11-12 18:29:23,112 INFO L87 Difference]: Start difference. First operand 3004 states and 3869 transitions. Second operand 14 states. [2018-11-12 18:29:23,551 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-12 18:29:25,707 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-12 18:29:25,919 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 26 [2018-11-12 18:29:29,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:29:29,544 INFO L93 Difference]: Finished difference Result 8908 states and 12116 transitions. [2018-11-12 18:29:29,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-12 18:29:29,546 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 346 [2018-11-12 18:29:29,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:29:29,558 INFO L225 Difference]: With dead ends: 8908 [2018-11-12 18:29:29,558 INFO L226 Difference]: Without dead ends: 2250 [2018-11-12 18:29:29,584 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 741 GetRequests, 705 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=335, Invalid=925, Unknown=0, NotChecked=0, Total=1260 [2018-11-12 18:29:29,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2250 states. [2018-11-12 18:29:29,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2250 to 1585. [2018-11-12 18:29:29,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1585 states. [2018-11-12 18:29:29,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1585 states and 1823 transitions. [2018-11-12 18:29:29,639 INFO L78 Accepts]: Start accepts. Automaton has 1585 states and 1823 transitions. Word has length 346 [2018-11-12 18:29:29,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:29:29,639 INFO L480 AbstractCegarLoop]: Abstraction has 1585 states and 1823 transitions. [2018-11-12 18:29:29,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-12 18:29:29,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 1823 transitions. [2018-11-12 18:29:29,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2018-11-12 18:29:29,649 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:29:29,649 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, 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, 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, 1, 1, 1, 1] [2018-11-12 18:29:29,650 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:29:29,650 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:29:29,650 INFO L82 PathProgramCache]: Analyzing trace with hash -920947436, now seen corresponding path program 1 times [2018-11-12 18:29:29,650 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:29:29,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:29:29,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:29:29,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:29:29,652 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:29:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:29:29,998 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 367 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-12 18:29:29,998 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:29:29,999 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-12 18:29:29,999 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 383 with the following transitions: [2018-11-12 18:29:29,999 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], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [429], [431], [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], [707], [711], [715], [719], [722], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-12 18:29:30,002 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-11-12 18:29:30,002 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-12 18:29:30,141 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-11-12 18:29:30,506 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-12 18:29:30,506 INFO L272 AbstractInterpreter]: Visited 137 different actions 537 times. Merged at 8 different actions 25 times. Never widened. Performed 7265 root evaluator evaluations with a maximum evaluation depth of 6. Performed 7265 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 6 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-12 18:29:30,515 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:29:30,515 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-12 18:29:30,515 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-12 18:29:30,515 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-12 18:29:30,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:29:30,524 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-12 18:29:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:29:30,624 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-12 18:29:30,776 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 367 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-12 18:29:30,777 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-12 18:29:31,140 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 367 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-12 18:29:31,161 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-12 18:29:31,161 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2018-11-12 18:29:31,162 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-12 18:29:31,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-12 18:29:31,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-12 18:29:31,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-11-12 18:29:31,163 INFO L87 Difference]: Start difference. First operand 1585 states and 1823 transitions. Second operand 6 states. [2018-11-12 18:29:32,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:29:32,978 INFO L93 Difference]: Finished difference Result 3873 states and 4593 transitions. [2018-11-12 18:29:32,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-12 18:29:32,985 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 382 [2018-11-12 18:29:32,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:29:32,995 INFO L225 Difference]: With dead ends: 3873 [2018-11-12 18:29:32,995 INFO L226 Difference]: Without dead ends: 2442 [2018-11-12 18:29:32,998 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 778 GetRequests, 765 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2018-11-12 18:29:33,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2442 states. [2018-11-12 18:29:33,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2442 to 2134. [2018-11-12 18:29:33,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2134 states. [2018-11-12 18:29:33,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2134 states to 2134 states and 2460 transitions. [2018-11-12 18:29:33,057 INFO L78 Accepts]: Start accepts. Automaton has 2134 states and 2460 transitions. Word has length 382 [2018-11-12 18:29:33,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:29:33,057 INFO L480 AbstractCegarLoop]: Abstraction has 2134 states and 2460 transitions. [2018-11-12 18:29:33,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-12 18:29:33,057 INFO L276 IsEmpty]: Start isEmpty. Operand 2134 states and 2460 transitions. [2018-11-12 18:29:33,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2018-11-12 18:29:33,069 INFO L367 BasicCegarLoop]: Found error trace [2018-11-12 18:29:33,070 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, 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, 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] [2018-11-12 18:29:33,070 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-12 18:29:33,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-12 18:29:33,070 INFO L82 PathProgramCache]: Analyzing trace with hash 2135334111, now seen corresponding path program 1 times [2018-11-12 18:29:33,070 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-12 18:29:33,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:29:33,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-12 18:29:33,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-12 18:29:33,072 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-12 18:29:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-12 18:29:33,478 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-11-12 18:29:33,478 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-12 18:29:33,479 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-12 18:29:33,479 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-12 18:29:33,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-12 18:29:33,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-12 18:29:33,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-12 18:29:33,480 INFO L87 Difference]: Start difference. First operand 2134 states and 2460 transitions. Second operand 4 states. [2018-11-12 18:29:34,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-12 18:29:34,542 INFO L93 Difference]: Finished difference Result 5122 states and 6061 transitions. [2018-11-12 18:29:34,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-12 18:29:34,542 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 395 [2018-11-12 18:29:34,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-12 18:29:34,544 INFO L225 Difference]: With dead ends: 5122 [2018-11-12 18:29:34,544 INFO L226 Difference]: Without dead ends: 0 [2018-11-12 18:29:34,553 INFO L604 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 [2018-11-12 18:29:34,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-12 18:29:34,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-12 18:29:34,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-12 18:29:34,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-12 18:29:34,554 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 395 [2018-11-12 18:29:34,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-12 18:29:34,554 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-12 18:29:34,554 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-12 18:29:34,554 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-12 18:29:34,554 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-12 18:29:34,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-12 18:29:34,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:29:34,775 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:29:34,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:29:34,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:29:34,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:29:34,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:29:34,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:29:34,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:29:34,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:29:34,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:29:34,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:29:34,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:29:35,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:29:35,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:29:35,053 WARN L179 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 192 [2018-11-12 18:29:35,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:29:35,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:29:35,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:29:35,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:29:35,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:29:35,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:29:35,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:29:35,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:29:35,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:29:35,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:29:35,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:29:35,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:29:35,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:29:35,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:29:35,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-12 18:29:35,310 WARN L179 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 165 [2018-11-12 18:29:35,896 WARN L179 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 30 [2018-11-12 18:29:36,561 WARN L179 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 47 [2018-11-12 18:29:38,287 WARN L179 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 250 DAG size of output: 66 [2018-11-12 18:29:39,060 WARN L179 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 63 [2018-11-12 18:29:39,720 WARN L179 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 67 [2018-11-12 18:29:39,722 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-12 18:29:39,723 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-11-12 18:29:39,723 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-12 18:29:39,723 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-12 18:29:39,723 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,723 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,723 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,723 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,723 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,724 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,724 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-12 18:29:39,724 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-12 18:29:39,724 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-12 18:29:39,724 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-12 18:29:39,724 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-12 18:29:39,724 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-12 18:29:39,724 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-12 18:29:39,724 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-12 18:29:39,724 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-12 18:29:39,724 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-12 18:29:39,724 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-12 18:29:39,724 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,725 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,725 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,725 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,725 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,725 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-12 18:29:39,725 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-12 18:29:39,725 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-12 18:29:39,725 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-12 18:29:39,725 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-12 18:29:39,725 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-12 18:29:39,726 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-12 18:29:39,726 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-12 18:29:39,726 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-12 18:29:39,726 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-12 18:29:39,726 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-12 18:29:39,726 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-12 18:29:39,726 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-12 18:29:39,726 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-12 18:29:39,727 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,727 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,727 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,727 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,727 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,727 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-12 18:29:39,727 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-12 18:29:39,727 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-12 18:29:39,727 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-12 18:29:39,727 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-12 18:29:39,727 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-12 18:29:39,727 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-12 18:29:39,728 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-12 18:29:39,728 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-12 18:29:39,728 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-12 18:29:39,728 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,728 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,728 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,728 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,728 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,729 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-12 18:29:39,729 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-12 18:29:39,729 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-12 18:29:39,729 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-12 18:29:39,729 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-12 18:29:39,729 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-12 18:29:39,729 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-12 18:29:39,729 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-12 18:29:39,729 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-12 18:29:39,730 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-12 18:29:39,730 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-12 18:29:39,730 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-12 18:29:39,730 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-12 18:29:39,730 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,730 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,730 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,730 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,730 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,731 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-12 18:29:39,731 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-12 18:29:39,731 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-12 18:29:39,731 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-12 18:29:39,731 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-12 18:29:39,731 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-12 18:29:39,731 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-12 18:29:39,731 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-12 18:29:39,731 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-12 18:29:39,732 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,732 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,732 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,732 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,732 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,732 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,732 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,732 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-12 18:29:39,733 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-12 18:29:39,733 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-12 18:29:39,733 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-12 18:29:39,733 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-12 18:29:39,733 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-12 18:29:39,733 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-12 18:29:39,733 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-12 18:29:39,733 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-12 18:29:39,734 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-12 18:29:39,734 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-12 18:29:39,734 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-12 18:29:39,734 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-12 18:29:39,734 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,734 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,734 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,734 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,734 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-12 18:29:39,734 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,734 INFO L425 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,735 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 181) no Hoare annotation was computed. [2018-11-12 18:29:39,735 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-12 18:29:39,735 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-12 18:29:39,735 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-12 18:29:39,735 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-12 18:29:39,735 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-12 18:29:39,735 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-12 18:29:39,735 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-12 18:29:39,735 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-12 18:29:39,735 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-12 18:29:39,735 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-12 18:29:39,735 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-12 18:29:39,735 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-12 18:29:39,735 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-12 18:29:39,736 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,736 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,736 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,736 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,736 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,736 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,736 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-12 18:29:39,736 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-12 18:29:39,736 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-12 18:29:39,736 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-12 18:29:39,736 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-12 18:29:39,736 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-12 18:29:39,736 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-12 18:29:39,736 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-12 18:29:39,737 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-12 18:29:39,737 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-12 18:29:39,737 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-12 18:29:39,737 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse7 (= ~a19~0 |old(~a19~0)|)) (.cse8 (= |old(~a10~0)| ~a10~0)) (.cse6 (= ~a1~0 |old(~a1~0)|))) (let ((.cse5 (< 6 |calculate_output_#in~input|)) (.cse9 (< |calculate_output_#in~input| 2)) (.cse4 (= 0 |old(~a10~0)|)) (.cse2 (and .cse7 .cse8 .cse6)) (.cse11 (= 1 |old(~a10~0)|)) (.cse0 (not (= 14 ~a4~0))) (.cse1 (not (= 0 ~a12~0))) (.cse10 (and .cse7 .cse8)) (.cse3 (= 6 |old(~a19~0)|))) (and (or .cse0 .cse1 .cse2 (< 218 |old(~a1~0)|) .cse3) (or .cse0 .cse1 .cse3 .cse2 .cse4) (or .cse5 (and .cse6 .cse7 .cse8) .cse9 .cse0 .cse1 (not (= 9 |old(~a19~0)|))) (or .cse5 (and (<= 23 ~a1~0) (<= ~a1~0 2147483647)) (< |old(~a1~0)| 23) .cse9 .cse0 (< 9 |old(~a19~0)|) (< |old(~a19~0)| 7) (< 2147483647 |old(~a1~0)|) .cse1) (or .cse10 .cse0 .cse1 .cse4 .cse11) (or .cse0 .cse1 .cse2 .cse11 (< 0 (+ |old(~a1~0)| 551894))) (or (< 8 |old(~a19~0)|) .cse0 .cse1 .cse10 .cse3)))) [2018-11-12 18:29:39,737 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-12 18:29:39,737 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-12 18:29:39,737 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-12 18:29:39,738 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,738 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,738 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,738 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,738 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,738 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,738 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-12 18:29:39,738 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-12 18:29:39,738 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-12 18:29:39,739 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-12 18:29:39,739 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-12 18:29:39,739 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-12 18:29:39,739 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-12 18:29:39,739 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-12 18:29:39,739 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-12 18:29:39,739 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-12 18:29:39,739 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-12 18:29:39,739 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-12 18:29:39,739 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-12 18:29:39,739 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,740 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,740 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,740 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,740 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,740 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,740 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-12 18:29:39,740 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-12 18:29:39,740 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-12 18:29:39,741 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-12 18:29:39,741 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-12 18:29:39,741 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-12 18:29:39,741 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-12 18:29:39,741 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-12 18:29:39,741 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-12 18:29:39,741 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-12 18:29:39,741 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-12 18:29:39,741 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-12 18:29:39,742 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,742 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,742 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,742 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,742 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,742 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-11-12 18:29:39,742 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-12 18:29:39,742 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-12 18:29:39,743 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-12 18:29:39,743 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-12 18:29:39,743 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-12 18:29:39,743 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-12 18:29:39,743 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-12 18:29:39,743 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-12 18:29:39,743 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-12 18:29:39,743 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-12 18:29:39,743 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-12 18:29:39,744 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-12 18:29:39,744 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-12 18:29:39,744 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~inputF~0 6) (= ~inputC~0 3) (= ~a19~0 9) (= ~a10~0 0) (= ~a12~0 0) (= ~inputB~0 2) (= ~a1~0 23) (= ~inputE~0 5) (= ~a4~0 14) (= ~inputD~0 4)) [2018-11-12 18:29:39,744 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-12 18:29:39,744 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-12 18:29:39,744 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (= ~inputE~0 5)) (not (= 3 ~inputC~0)) (not (= |old(~a1~0)| 23)) (not (= ~a4~0 14)) (not (= 2 ~inputB~0)) (and (= ~a10~0 |old(~a10~0)|) (= ~a1~0 23) (= ~a19~0 |old(~a19~0)|)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 4 ~inputD~0)) (not (= |old(~a10~0)| 0)) (not (= ~inputF~0 6))) [2018-11-12 18:29:39,744 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-12 18:29:39,745 INFO L421 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (not (= 0 ~a10~0))) (.cse1 (not (= ~a10~0 1))) (.cse2 (not (= ~a19~0 6)))) (or (and .cse0 .cse1) (not (= |old(~a1~0)| 23)) (and .cse2 .cse0) (and .cse2 (<= ~a19~0 8)) (and (<= (+ ~a1~0 551894) 0) .cse1) (and (<= ~a1~0 218) .cse2) (not (= |old(~a10~0)| 0)) (not (= ~inputF~0 6)) (not (= ~a12~0 0)) (not (= 4 ~inputD~0)) (not (= ~inputE~0 5)) (not (= 14 ~a4~0)) (not (= 3 ~inputC~0)) (not (= 2 ~inputB~0)) (and (= ~a19~0 9) (<= main_~input~0 6) (<= 2 main_~input~0)) (not (= |old(~a19~0)| 9)))) [2018-11-12 18:29:39,745 INFO L425 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-12 18:29:39,745 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-12 18:29:39,745 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-11-12 18:29:39,745 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (let ((.cse0 (not (= 0 ~a10~0))) (.cse1 (not (= ~a10~0 1))) (.cse2 (not (= ~a19~0 6)))) (or (and .cse0 .cse1) (not (= |old(~a1~0)| 23)) (and .cse2 .cse0) (and .cse2 (<= ~a19~0 8)) (and (<= (+ ~a1~0 551894) 0) .cse1) (and (<= ~a1~0 218) .cse2) (not (= |old(~a10~0)| 0)) (not (= ~inputF~0 6)) (not (= ~a12~0 0)) (not (= 4 ~inputD~0)) (not (= ~inputE~0 5)) (not (= 14 ~a4~0)) (not (= 3 ~inputC~0)) (= ~a19~0 9) (not (= 2 ~inputB~0)) (not (= |old(~a19~0)| 9)))) [2018-11-12 18:29:39,745 INFO L425 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-11-12 18:29:39,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 06:29:39 BoogieIcfgContainer [2018-11-12 18:29:39,758 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-12 18:29:39,759 INFO L168 Benchmark]: Toolchain (without parser) took 92810.67 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.4 GB). Free memory was 1.4 GB in the beginning and 3.0 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-11-12 18:29:39,760 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-12 18:29:39,760 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.46 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. [2018-11-12 18:29:39,761 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.53 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 741.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -817.8 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. [2018-11-12 18:29:39,762 INFO L168 Benchmark]: Boogie Preprocessor took 122.30 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-12 18:29:39,763 INFO L168 Benchmark]: RCFGBuilder took 3338.72 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: 103.6 MB). Peak memory consumption was 103.6 MB. Max. memory is 7.1 GB. [2018-11-12 18:29:39,764 INFO L168 Benchmark]: TraceAbstraction took 88453.57 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 3.0 GB in the end (delta: -879.1 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-11-12 18:29:39,768 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 753.46 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 137.53 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 741.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -817.8 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.30 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3338.72 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: 103.6 MB). Peak memory consumption was 103.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 88453.57 ms. Allocated memory was 2.3 GB in the beginning and 4.0 GB in the end (delta: 1.7 GB). Free memory was 2.1 GB in the beginning and 3.0 GB in the end (delta: -879.1 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 181]: 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: (((((((((((((((!(0 == a10) && !(a10 == 1)) || !(\old(a1) == 23)) || (!(a19 == 6) && !(0 == a10))) || (!(a19 == 6) && a19 <= 8)) || (a1 + 551894 <= 0 && !(a10 == 1))) || (a1 <= 218 && !(a19 == 6))) || !(\old(a10) == 0)) || !(inputF == 6)) || !(a12 == 0)) || !(4 == inputD)) || !(inputE == 5)) || !(14 == a4)) || !(3 == inputC)) || a19 == 9) || !(2 == inputB)) || !(\old(a19) == 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 88.3s OverallTime, 9 OverallIterations, 4 TraceHistogramMax, 68.6s AutomataDifference, 0.0s DeadEndRemovalTime, 5.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1309 SDtfs, 7091 SDslu, 1652 SDs, 0 SdLazy, 12899 SolverSat, 2342 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27.3s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 2420 GetRequests, 2288 SyntacticMatches, 7 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 892 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3004occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.5s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.9975378268745109 AbsIntWeakeningRatio, 0.09263657957244656 AbsIntAvgWeakeningVarsNumRemoved, 18.507125890736344 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 1412 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 108 PreInvPairs, 176 NumberOfFragments, 472 HoareAnnotationTreeSize, 108 FomulaSimplifications, 29761 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 24008 FormulaSimplificationTreeSizeReductionInter, 4.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 3141 NumberOfCodeBlocks, 3141 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 3856 ConstructedInterpolants, 0 QuantifiedInterpolants, 3469237 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1152 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 3464/3729 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...