java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label19_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-25 00:05:31,060 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-25 00:05:31,062 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-25 00:05:31,077 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-25 00:05:31,077 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-25 00:05:31,078 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-25 00:05:31,080 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-25 00:05:31,082 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-25 00:05:31,083 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-25 00:05:31,084 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-25 00:05:31,085 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-25 00:05:31,085 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-25 00:05:31,086 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-25 00:05:31,087 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-25 00:05:31,088 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-25 00:05:31,089 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-25 00:05:31,090 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-25 00:05:31,092 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-25 00:05:31,094 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-25 00:05:31,096 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-25 00:05:31,097 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-25 00:05:31,098 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-25 00:05:31,101 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-25 00:05:31,101 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-25 00:05:31,101 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-25 00:05:31,102 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-25 00:05:31,105 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-25 00:05:31,106 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-25 00:05:31,107 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-25 00:05:31,111 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-25 00:05:31,112 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-25 00:05:31,112 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-25 00:05:31,113 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-25 00:05:31,115 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-25 00:05:31,117 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-25 00:05:31,117 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-25 00:05:31,118 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-25 00:05:31,146 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-25 00:05:31,146 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-25 00:05:31,147 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-25 00:05:31,147 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-25 00:05:31,147 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-25 00:05:31,147 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-25 00:05:31,148 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-25 00:05:31,148 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-25 00:05:31,148 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-25 00:05:31,148 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-25 00:05:31,149 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-25 00:05:31,149 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-25 00:05:31,149 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-25 00:05:31,149 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-25 00:05:31,150 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-25 00:05:31,150 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-25 00:05:31,150 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-25 00:05:31,150 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-25 00:05:31,151 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-25 00:05:31,151 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-25 00:05:31,151 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-25 00:05:31,151 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-25 00:05:31,151 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-25 00:05:31,152 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-25 00:05:31,152 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-25 00:05:31,152 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-25 00:05:31,152 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-25 00:05:31,152 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-25 00:05:31,153 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-25 00:05:31,153 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-25 00:05:31,153 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-25 00:05:31,153 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-25 00:05:31,153 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-25 00:05:31,154 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-25 00:05:31,154 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-25 00:05:31,154 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-25 00:05:31,204 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-25 00:05:31,218 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-25 00:05:31,223 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-25 00:05:31,225 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-25 00:05:31,225 INFO L276 PluginConnector]: CDTParser initialized [2018-10-25 00:05:31,226 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label19_true-unreach-call_false-termination.c [2018-10-25 00:05:31,303 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/1e019a251/b56789bb26aa484293add06eb79d87cf/FLAGb061652c4 [2018-10-25 00:05:31,895 INFO L298 CDTParser]: Found 1 translation units. [2018-10-25 00:05:31,896 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label19_true-unreach-call_false-termination.c [2018-10-25 00:05:31,911 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/1e019a251/b56789bb26aa484293add06eb79d87cf/FLAGb061652c4 [2018-10-25 00:05:31,927 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/1e019a251/b56789bb26aa484293add06eb79d87cf [2018-10-25 00:05:31,938 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-25 00:05:31,940 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-25 00:05:31,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-25 00:05:31,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-25 00:05:31,945 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-25 00:05:31,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 12:05:31" (1/1) ... [2018-10-25 00:05:31,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c4aa92e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:05:31, skipping insertion in model container [2018-10-25 00:05:31,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 12:05:31" (1/1) ... [2018-10-25 00:05:31,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-25 00:05:32,031 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-25 00:05:32,502 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 00:05:32,511 INFO L189 MainTranslator]: Completed pre-run [2018-10-25 00:05:32,653 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 00:05:32,672 INFO L193 MainTranslator]: Completed translation [2018-10-25 00:05:32,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:05:32 WrapperNode [2018-10-25 00:05:32,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-25 00:05:32,674 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-25 00:05:32,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-25 00:05:32,674 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-25 00:05:32,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:05:32" (1/1) ... [2018-10-25 00:05:32,709 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:05:32" (1/1) ... [2018-10-25 00:05:32,866 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-25 00:05:32,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-25 00:05:32,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-25 00:05:32,867 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-25 00:05:32,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:05:32" (1/1) ... [2018-10-25 00:05:32,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:05:32" (1/1) ... [2018-10-25 00:05:32,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:05:32" (1/1) ... [2018-10-25 00:05:32,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:05:32" (1/1) ... [2018-10-25 00:05:32,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:05:32" (1/1) ... [2018-10-25 00:05:32,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:05:32" (1/1) ... [2018-10-25 00:05:32,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:05:32" (1/1) ... [2018-10-25 00:05:32,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-25 00:05:32,960 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-25 00:05:32,960 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-25 00:05:32,960 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-25 00:05:32,961 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:05:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-25 00:05:33,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-25 00:05:33,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-25 00:05:33,044 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-25 00:05:33,044 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-25 00:05:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-25 00:05:33,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-25 00:05:33,046 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-25 00:05:33,046 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-25 00:05:36,646 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-25 00:05:36,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:05:36 BoogieIcfgContainer [2018-10-25 00:05:36,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-25 00:05:36,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-25 00:05:36,649 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-25 00:05:36,658 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-25 00:05:36,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 12:05:31" (1/3) ... [2018-10-25 00:05:36,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c38e0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 12:05:36, skipping insertion in model container [2018-10-25 00:05:36,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:05:32" (2/3) ... [2018-10-25 00:05:36,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c38e0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 12:05:36, skipping insertion in model container [2018-10-25 00:05:36,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:05:36" (3/3) ... [2018-10-25 00:05:36,665 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label19_true-unreach-call_false-termination.c [2018-10-25 00:05:36,681 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-25 00:05:36,691 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-25 00:05:36,710 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-25 00:05:36,748 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-25 00:05:36,748 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-25 00:05:36,748 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-25 00:05:36,749 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-25 00:05:36,749 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-25 00:05:36,749 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-25 00:05:36,749 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-25 00:05:36,749 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-25 00:05:36,776 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-10-25 00:05:36,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-25 00:05:36,789 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:05:36,790 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:05:36,792 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:05:36,797 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:05:36,798 INFO L82 PathProgramCache]: Analyzing trace with hash 910633199, now seen corresponding path program 1 times [2018-10-25 00:05:36,800 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:05:36,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:36,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:05:36,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:36,852 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:05:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:05:37,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:05:37,682 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:05:37,682 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-25 00:05:37,682 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:05:37,689 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-25 00:05:37,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-25 00:05:37,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-25 00:05:37,714 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 4 states. [2018-10-25 00:05:40,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:05:40,374 INFO L93 Difference]: Finished difference Result 795 states and 1383 transitions. [2018-10-25 00:05:40,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-25 00:05:40,378 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2018-10-25 00:05:40,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:05:40,402 INFO L225 Difference]: With dead ends: 795 [2018-10-25 00:05:40,403 INFO L226 Difference]: Without dead ends: 552 [2018-10-25 00:05:40,410 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-25 00:05:40,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2018-10-25 00:05:40,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 382. [2018-10-25 00:05:40,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-10-25 00:05:40,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 639 transitions. [2018-10-25 00:05:40,498 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 639 transitions. Word has length 99 [2018-10-25 00:05:40,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:05:40,501 INFO L481 AbstractCegarLoop]: Abstraction has 382 states and 639 transitions. [2018-10-25 00:05:40,501 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-25 00:05:40,501 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 639 transitions. [2018-10-25 00:05:40,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-25 00:05:40,508 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:05:40,509 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:05:40,510 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:05:40,510 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:05:40,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1723273534, now seen corresponding path program 1 times [2018-10-25 00:05:40,512 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:05:40,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:40,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:05:40,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:40,514 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:05:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:05:40,936 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-25 00:05:40,936 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:05:40,937 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:05:40,938 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 109 with the following transitions: [2018-10-25 00:05:40,940 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [463], [465], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:05:40,988 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:05:40,989 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:05:41,565 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:05:41,567 INFO L272 AbstractInterpreter]: Visited 99 different actions 99 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-10-25 00:05:41,601 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:05:41,601 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:05:42,011 INFO L232 lantSequenceWeakener]: Weakened 102 states. On average, predicates are now at 80.56% of their original sizes. [2018-10-25 00:05:42,012 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:05:42,260 INFO L413 sIntCurrentIteration]: We have 107 unified AI predicates [2018-10-25 00:05:42,261 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:05:42,262 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:05:42,262 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2018-10-25 00:05:42,262 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:05:42,267 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 00:05:42,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 00:05:42,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 00:05:42,268 INFO L87 Difference]: Start difference. First operand 382 states and 639 transitions. Second operand 6 states. [2018-10-25 00:05:50,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:05:50,856 INFO L93 Difference]: Finished difference Result 908 states and 1537 transitions. [2018-10-25 00:05:50,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-25 00:05:50,856 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2018-10-25 00:05:50,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:05:50,860 INFO L225 Difference]: With dead ends: 908 [2018-10-25 00:05:50,861 INFO L226 Difference]: Without dead ends: 532 [2018-10-25 00:05:50,865 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 108 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-25 00:05:50,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2018-10-25 00:05:50,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 529. [2018-10-25 00:05:50,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2018-10-25 00:05:50,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 794 transitions. [2018-10-25 00:05:50,899 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 794 transitions. Word has length 108 [2018-10-25 00:05:50,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:05:50,900 INFO L481 AbstractCegarLoop]: Abstraction has 529 states and 794 transitions. [2018-10-25 00:05:50,900 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 00:05:50,900 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 794 transitions. [2018-10-25 00:05:50,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-25 00:05:50,904 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:05:50,904 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:05:50,905 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:05:50,905 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:05:50,905 INFO L82 PathProgramCache]: Analyzing trace with hash -212564618, now seen corresponding path program 1 times [2018-10-25 00:05:50,905 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:05:50,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:50,907 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:05:50,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:50,907 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:05:50,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:05:51,134 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:05:51,134 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:05:51,135 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:05:51,135 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 114 with the following transitions: [2018-10-25 00:05:51,135 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [463], [465], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:05:51,140 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:05:51,140 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:05:51,493 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:05:51,494 INFO L272 AbstractInterpreter]: Visited 102 different actions 198 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-10-25 00:05:51,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:05:51,532 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:05:51,977 INFO L232 lantSequenceWeakener]: Weakened 86 states. On average, predicates are now at 80.94% of their original sizes. [2018-10-25 00:05:51,977 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:05:54,263 INFO L413 sIntCurrentIteration]: We have 112 unified AI predicates [2018-10-25 00:05:54,264 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:05:54,264 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:05:54,264 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [7] total 18 [2018-10-25 00:05:54,264 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:05:54,265 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-25 00:05:54,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-25 00:05:54,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-10-25 00:05:54,266 INFO L87 Difference]: Start difference. First operand 529 states and 794 transitions. Second operand 13 states. [2018-10-25 00:06:08,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:06:08,273 INFO L93 Difference]: Finished difference Result 1797 states and 2747 transitions. [2018-10-25 00:06:08,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-10-25 00:06:08,274 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 113 [2018-10-25 00:06:08,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:06:08,281 INFO L225 Difference]: With dead ends: 1797 [2018-10-25 00:06:08,281 INFO L226 Difference]: Without dead ends: 1274 [2018-10-25 00:06:08,284 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 117 GetRequests, 24 SyntacticMatches, 77 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 493 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2018-10-25 00:06:08,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1274 states. [2018-10-25 00:06:08,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1274 to 1126. [2018-10-25 00:06:08,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1126 states. [2018-10-25 00:06:08,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 1126 states and 1506 transitions. [2018-10-25 00:06:08,333 INFO L78 Accepts]: Start accepts. Automaton has 1126 states and 1506 transitions. Word has length 113 [2018-10-25 00:06:08,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:06:08,334 INFO L481 AbstractCegarLoop]: Abstraction has 1126 states and 1506 transitions. [2018-10-25 00:06:08,334 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-25 00:06:08,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 1506 transitions. [2018-10-25 00:06:08,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-25 00:06:08,340 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:06:08,340 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:06:08,341 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:06:08,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:06:08,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1615042339, now seen corresponding path program 1 times [2018-10-25 00:06:08,341 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:06:08,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:08,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:06:08,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:08,343 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:06:08,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:06:08,588 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:06:08,588 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:06:08,588 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:06:08,588 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 119 with the following transitions: [2018-10-25 00:06:08,589 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [463], [465], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:06:08,594 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:06:08,594 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:06:08,913 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:06:08,913 INFO L272 AbstractInterpreter]: Visited 103 different actions 306 times. Merged at 7 different actions 19 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-10-25 00:06:08,921 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:06:08,921 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:06:09,516 INFO L232 lantSequenceWeakener]: Weakened 12 states. On average, predicates are now at 83.33% of their original sizes. [2018-10-25 00:06:09,516 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:06:11,946 INFO L413 sIntCurrentIteration]: We have 117 unified AI predicates [2018-10-25 00:06:11,946 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:06:11,946 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:06:11,946 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [9] total 18 [2018-10-25 00:06:11,947 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:06:11,947 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-25 00:06:11,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-25 00:06:11,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-10-25 00:06:11,948 INFO L87 Difference]: Start difference. First operand 1126 states and 1506 transitions. Second operand 11 states. [2018-10-25 00:06:23,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:06:23,821 INFO L93 Difference]: Finished difference Result 2860 states and 4143 transitions. [2018-10-25 00:06:23,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-25 00:06:23,822 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 118 [2018-10-25 00:06:23,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:06:23,834 INFO L225 Difference]: With dead ends: 2860 [2018-10-25 00:06:23,834 INFO L226 Difference]: Without dead ends: 2038 [2018-10-25 00:06:23,839 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 121 GetRequests, 30 SyntacticMatches, 78 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2018-10-25 00:06:23,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2038 states. [2018-10-25 00:06:23,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2038 to 1885. [2018-10-25 00:06:23,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1885 states. [2018-10-25 00:06:23,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1885 states to 1885 states and 2468 transitions. [2018-10-25 00:06:23,911 INFO L78 Accepts]: Start accepts. Automaton has 1885 states and 2468 transitions. Word has length 118 [2018-10-25 00:06:23,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:06:23,911 INFO L481 AbstractCegarLoop]: Abstraction has 1885 states and 2468 transitions. [2018-10-25 00:06:23,911 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-25 00:06:23,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1885 states and 2468 transitions. [2018-10-25 00:06:23,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-10-25 00:06:23,918 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:06:23,918 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:06:23,918 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:06:23,919 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:06:23,919 INFO L82 PathProgramCache]: Analyzing trace with hash 882007688, now seen corresponding path program 1 times [2018-10-25 00:06:23,919 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:06:23,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:23,920 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:06:23,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:23,920 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:06:23,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:06:24,101 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:06:24,101 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:06:24,101 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:06:24,102 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 146 with the following transitions: [2018-10-25 00:06:24,102 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [463], [465], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:06:24,105 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:06:24,105 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:06:24,453 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:06:24,454 INFO L272 AbstractInterpreter]: Visited 104 different actions 307 times. Merged at 7 different actions 19 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-10-25 00:06:24,461 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:06:24,462 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:06:24,462 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:06:24,463 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 00:06:24,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:06:24,474 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:06:24,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:06:24,939 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:06:25,118 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:06:25,119 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:06:25,999 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:06:26,033 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:06:26,033 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-10-25 00:06:26,034 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:06:26,034 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-25 00:06:26,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-25 00:06:26,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-10-25 00:06:26,035 INFO L87 Difference]: Start difference. First operand 1885 states and 2468 transitions. Second operand 9 states. [2018-10-25 00:06:29,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:06:29,517 INFO L93 Difference]: Finished difference Result 4233 states and 5878 transitions. [2018-10-25 00:06:29,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-25 00:06:29,528 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 145 [2018-10-25 00:06:29,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:06:29,556 INFO L225 Difference]: With dead ends: 4233 [2018-10-25 00:06:29,557 INFO L226 Difference]: Without dead ends: 3039 [2018-10-25 00:06:29,563 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 286 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-10-25 00:06:29,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3039 states. [2018-10-25 00:06:29,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3039 to 2997. [2018-10-25 00:06:29,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2997 states. [2018-10-25 00:06:29,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2997 states to 2997 states and 3974 transitions. [2018-10-25 00:06:29,694 INFO L78 Accepts]: Start accepts. Automaton has 2997 states and 3974 transitions. Word has length 145 [2018-10-25 00:06:29,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:06:29,694 INFO L481 AbstractCegarLoop]: Abstraction has 2997 states and 3974 transitions. [2018-10-25 00:06:29,695 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-25 00:06:29,695 INFO L276 IsEmpty]: Start isEmpty. Operand 2997 states and 3974 transitions. [2018-10-25 00:06:29,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-25 00:06:29,704 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:06:29,704 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:06:29,704 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:06:29,705 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:06:29,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1311860951, now seen corresponding path program 1 times [2018-10-25 00:06:29,706 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:06:29,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:29,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:06:29,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:29,707 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:06:29,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:06:30,006 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 50 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-25 00:06:30,006 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:06:30,007 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:06:30,007 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 148 with the following transitions: [2018-10-25 00:06:30,007 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [463], [465], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:06:30,010 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:06:30,010 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:06:30,663 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:06:30,664 INFO L272 AbstractInterpreter]: Visited 105 different actions 317 times. Merged at 8 different actions 26 times. Widened at 1 different actions 1 times. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-25 00:06:30,693 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:06:30,693 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:06:30,693 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:06:30,693 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 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 [2018-10-25 00:06:30,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:06:30,706 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:06:30,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:06:30,802 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:06:31,377 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 62 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-25 00:06:31,377 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:06:31,539 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-10-25 00:06:31,639 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-10-25 00:06:32,559 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 62 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-25 00:06:32,592 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:06:32,592 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 14 [2018-10-25 00:06:32,592 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:06:32,593 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-25 00:06:32,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-25 00:06:32,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-10-25 00:06:32,594 INFO L87 Difference]: Start difference. First operand 2997 states and 3974 transitions. Second operand 11 states. [2018-10-25 00:06:39,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:06:39,896 INFO L93 Difference]: Finished difference Result 7897 states and 11698 transitions. [2018-10-25 00:06:39,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-25 00:06:39,897 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 147 [2018-10-25 00:06:39,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:06:39,924 INFO L225 Difference]: With dead ends: 7897 [2018-10-25 00:06:39,924 INFO L226 Difference]: Without dead ends: 4740 [2018-10-25 00:06:39,943 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 305 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=284, Invalid=976, Unknown=0, NotChecked=0, Total=1260 [2018-10-25 00:06:39,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4740 states. [2018-10-25 00:06:40,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4740 to 4394. [2018-10-25 00:06:40,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4394 states. [2018-10-25 00:06:40,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4394 states to 4394 states and 5335 transitions. [2018-10-25 00:06:40,073 INFO L78 Accepts]: Start accepts. Automaton has 4394 states and 5335 transitions. Word has length 147 [2018-10-25 00:06:40,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:06:40,073 INFO L481 AbstractCegarLoop]: Abstraction has 4394 states and 5335 transitions. [2018-10-25 00:06:40,073 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-25 00:06:40,074 INFO L276 IsEmpty]: Start isEmpty. Operand 4394 states and 5335 transitions. [2018-10-25 00:06:40,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-25 00:06:40,083 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:06:40,084 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:06:40,084 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:06:40,084 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:06:40,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1009639280, now seen corresponding path program 1 times [2018-10-25 00:06:40,085 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:06:40,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:40,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:06:40,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:40,086 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:06:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:06:40,244 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:06:40,244 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:06:40,244 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:06:40,244 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 150 with the following transitions: [2018-10-25 00:06:40,244 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [463], [465], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:06:40,247 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:06:40,247 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:06:40,804 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:06:40,805 INFO L272 AbstractInterpreter]: Visited 104 different actions 310 times. Merged at 7 different actions 22 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-10-25 00:06:40,834 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:06:40,834 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:06:40,834 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:06:40,835 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 00:06:41,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:06:41,126 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:06:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:06:41,197 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:06:41,267 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:06:41,268 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:06:41,492 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:06:41,513 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:06:41,514 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 7 [2018-10-25 00:06:41,514 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:06:41,514 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 00:06:41,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 00:06:41,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-25 00:06:41,515 INFO L87 Difference]: Start difference. First operand 4394 states and 5335 transitions. Second operand 6 states. [2018-10-25 00:06:43,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:06:43,352 INFO L93 Difference]: Finished difference Result 9615 states and 11776 transitions. [2018-10-25 00:06:43,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-25 00:06:43,353 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2018-10-25 00:06:43,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:06:43,375 INFO L225 Difference]: With dead ends: 9615 [2018-10-25 00:06:43,375 INFO L226 Difference]: Without dead ends: 5529 [2018-10-25 00:06:43,389 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 299 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-10-25 00:06:43,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5529 states. [2018-10-25 00:06:43,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5529 to 5301. [2018-10-25 00:06:43,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5301 states. [2018-10-25 00:06:43,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5301 states to 5301 states and 6209 transitions. [2018-10-25 00:06:43,522 INFO L78 Accepts]: Start accepts. Automaton has 5301 states and 6209 transitions. Word has length 149 [2018-10-25 00:06:43,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:06:43,524 INFO L481 AbstractCegarLoop]: Abstraction has 5301 states and 6209 transitions. [2018-10-25 00:06:43,524 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 00:06:43,524 INFO L276 IsEmpty]: Start isEmpty. Operand 5301 states and 6209 transitions. [2018-10-25 00:06:43,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-10-25 00:06:43,537 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:06:43,537 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:06:43,538 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:06:43,538 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:06:43,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1107836429, now seen corresponding path program 1 times [2018-10-25 00:06:43,538 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:06:43,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:43,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:06:43,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:43,539 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:06:43,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:06:44,573 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 67 proven. 36 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-25 00:06:44,573 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:06:44,573 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:06:44,573 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 172 with the following transitions: [2018-10-25 00:06:44,574 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [463], [465], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:06:44,576 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:06:44,577 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:06:44,964 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:06:44,964 INFO L272 AbstractInterpreter]: Visited 106 different actions 316 times. Merged at 8 different actions 24 times. Never widened. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-25 00:06:44,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:06:44,970 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:06:45,900 INFO L232 lantSequenceWeakener]: Weakened 70 states. On average, predicates are now at 81.03% of their original sizes. [2018-10-25 00:06:45,901 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:06:48,746 INFO L413 sIntCurrentIteration]: We have 170 unified AI predicates [2018-10-25 00:06:48,746 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:06:48,746 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:06:48,746 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [10] total 23 [2018-10-25 00:06:48,747 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:06:48,747 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-25 00:06:48,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-25 00:06:48,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2018-10-25 00:06:48,748 INFO L87 Difference]: Start difference. First operand 5301 states and 6209 transitions. Second operand 15 states. [2018-10-25 00:07:04,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:07:04,027 INFO L93 Difference]: Finished difference Result 11974 states and 14253 transitions. [2018-10-25 00:07:04,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-25 00:07:04,027 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 171 [2018-10-25 00:07:04,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:07:04,057 INFO L225 Difference]: With dead ends: 11974 [2018-10-25 00:07:04,057 INFO L226 Difference]: Without dead ends: 7825 [2018-10-25 00:07:04,069 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 176 GetRequests, 38 SyntacticMatches, 119 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1083 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=105, Invalid=315, Unknown=0, NotChecked=0, Total=420 [2018-10-25 00:07:04,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7825 states. [2018-10-25 00:07:04,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7825 to 7189. [2018-10-25 00:07:04,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7189 states. [2018-10-25 00:07:04,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7189 states to 7189 states and 8383 transitions. [2018-10-25 00:07:04,254 INFO L78 Accepts]: Start accepts. Automaton has 7189 states and 8383 transitions. Word has length 171 [2018-10-25 00:07:04,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:07:04,255 INFO L481 AbstractCegarLoop]: Abstraction has 7189 states and 8383 transitions. [2018-10-25 00:07:04,255 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-25 00:07:04,255 INFO L276 IsEmpty]: Start isEmpty. Operand 7189 states and 8383 transitions. [2018-10-25 00:07:04,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-25 00:07:04,269 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:07:04,270 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:07:04,270 INFO L424 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:07:04,270 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:04,270 INFO L82 PathProgramCache]: Analyzing trace with hash 866872698, now seen corresponding path program 1 times [2018-10-25 00:07:04,270 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:07:04,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:04,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:04,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:04,272 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:07:04,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:04,773 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 74 proven. 26 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-25 00:07:04,773 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:07:04,773 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:07:04,773 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 177 with the following transitions: [2018-10-25 00:07:04,773 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [463], [465], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:07:04,775 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:07:04,776 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:07:05,297 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:07:05,297 INFO L272 AbstractInterpreter]: Visited 107 different actions 427 times. Merged at 9 different actions 38 times. Widened at 1 different actions 2 times. Found 7 fixpoints after 5 different actions. Largest state had 38 variables. [2018-10-25 00:07:05,310 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:05,310 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:07:06,710 INFO L232 lantSequenceWeakener]: Weakened 1 states. On average, predicates are now at 83.33% of their original sizes. [2018-10-25 00:07:06,710 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:07:10,399 INFO L413 sIntCurrentIteration]: We have 175 unified AI predicates [2018-10-25 00:07:10,399 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:07:10,399 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:07:10,400 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [9] total 21 [2018-10-25 00:07:10,400 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:07:10,400 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-10-25 00:07:10,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-10-25 00:07:10,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2018-10-25 00:07:10,401 INFO L87 Difference]: Start difference. First operand 7189 states and 8383 transitions. Second operand 14 states. [2018-10-25 00:07:24,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:07:24,428 INFO L93 Difference]: Finished difference Result 14325 states and 16808 transitions. [2018-10-25 00:07:24,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-25 00:07:24,428 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 176 [2018-10-25 00:07:24,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:07:24,457 INFO L225 Difference]: With dead ends: 14325 [2018-10-25 00:07:24,457 INFO L226 Difference]: Without dead ends: 9515 [2018-10-25 00:07:24,469 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 183 GetRequests, 43 SyntacticMatches, 120 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 861 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=115, Invalid=347, Unknown=0, NotChecked=0, Total=462 [2018-10-25 00:07:24,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9515 states. [2018-10-25 00:07:24,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9515 to 9213. [2018-10-25 00:07:24,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9213 states. [2018-10-25 00:07:24,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9213 states to 9213 states and 10762 transitions. [2018-10-25 00:07:24,689 INFO L78 Accepts]: Start accepts. Automaton has 9213 states and 10762 transitions. Word has length 176 [2018-10-25 00:07:24,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:07:24,689 INFO L481 AbstractCegarLoop]: Abstraction has 9213 states and 10762 transitions. [2018-10-25 00:07:24,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-10-25 00:07:24,689 INFO L276 IsEmpty]: Start isEmpty. Operand 9213 states and 10762 transitions. [2018-10-25 00:07:24,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-10-25 00:07:24,708 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:07:24,708 INFO L375 BasicCegarLoop]: trace histogram [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, 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] [2018-10-25 00:07:24,708 INFO L424 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:07:24,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:24,708 INFO L82 PathProgramCache]: Analyzing trace with hash 824023714, now seen corresponding path program 1 times [2018-10-25 00:07:24,709 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:07:24,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:24,709 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:24,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:24,710 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:07:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:24,986 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 75 proven. 44 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-25 00:07:24,986 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:07:24,987 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:07:24,987 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 178 with the following transitions: [2018-10-25 00:07:24,987 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [91], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [463], [465], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:07:24,989 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:07:24,989 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:07:25,479 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:07:25,480 INFO L272 AbstractInterpreter]: Visited 105 different actions 418 times. Merged at 8 different actions 34 times. Widened at 1 different actions 1 times. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-25 00:07:25,485 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:25,485 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:07:25,485 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:07:25,485 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 00:07:25,494 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:25,494 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:07:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:25,569 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:07:25,718 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 97 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-25 00:07:25,718 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:07:25,934 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 86 proven. 26 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-25 00:07:25,955 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:07:25,956 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 15 [2018-10-25 00:07:25,956 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:07:25,956 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-25 00:07:25,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-25 00:07:25,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-10-25 00:07:25,957 INFO L87 Difference]: Start difference. First operand 9213 states and 10762 transitions. Second operand 13 states. [2018-10-25 00:07:29,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:07:29,343 INFO L93 Difference]: Finished difference Result 19086 states and 22958 transitions. [2018-10-25 00:07:29,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-10-25 00:07:29,343 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 177 [2018-10-25 00:07:29,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:07:29,380 INFO L225 Difference]: With dead ends: 19086 [2018-10-25 00:07:29,380 INFO L226 Difference]: Without dead ends: 11467 [2018-10-25 00:07:29,402 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 369 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=389, Invalid=1017, Unknown=0, NotChecked=0, Total=1406 [2018-10-25 00:07:29,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11467 states. [2018-10-25 00:07:29,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11467 to 10461. [2018-10-25 00:07:29,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10461 states. [2018-10-25 00:07:29,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10461 states to 10461 states and 12014 transitions. [2018-10-25 00:07:29,682 INFO L78 Accepts]: Start accepts. Automaton has 10461 states and 12014 transitions. Word has length 177 [2018-10-25 00:07:29,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:07:29,682 INFO L481 AbstractCegarLoop]: Abstraction has 10461 states and 12014 transitions. [2018-10-25 00:07:29,682 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-25 00:07:29,682 INFO L276 IsEmpty]: Start isEmpty. Operand 10461 states and 12014 transitions. [2018-10-25 00:07:29,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-10-25 00:07:29,698 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:07:29,699 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:07:29,699 INFO L424 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:07:29,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:29,700 INFO L82 PathProgramCache]: Analyzing trace with hash 1054929723, now seen corresponding path program 1 times [2018-10-25 00:07:29,700 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:07:29,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:29,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:29,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:29,701 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:07:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:30,519 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 90 proven. 26 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-10-25 00:07:30,520 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:07:30,520 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:07:30,520 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 193 with the following transitions: [2018-10-25 00:07:30,520 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [91], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [163], [166], [170], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [463], [465], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:07:30,523 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:07:30,523 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:07:31,743 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:07:31,743 INFO L272 AbstractInterpreter]: Visited 108 different actions 545 times. Merged at 9 different actions 56 times. Widened at 1 different actions 6 times. Found 10 fixpoints after 4 different actions. Largest state had 38 variables. [2018-10-25 00:07:31,750 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:31,750 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:07:31,750 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:07:31,750 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 00:07:31,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:31,758 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:07:31,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:31,842 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:07:31,930 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-10-25 00:07:31,930 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:07:32,115 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-10-25 00:07:32,137 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-10-25 00:07:32,137 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [9, 3] total 10 [2018-10-25 00:07:32,137 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:07:32,138 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-25 00:07:32,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-25 00:07:32,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-10-25 00:07:32,138 INFO L87 Difference]: Start difference. First operand 10461 states and 12014 transitions. Second operand 3 states. [2018-10-25 00:07:32,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:07:32,800 INFO L93 Difference]: Finished difference Result 15148 states and 17560 transitions. [2018-10-25 00:07:32,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-25 00:07:32,801 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 192 [2018-10-25 00:07:32,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:07:32,832 INFO L225 Difference]: With dead ends: 15148 [2018-10-25 00:07:32,832 INFO L226 Difference]: Without dead ends: 11443 [2018-10-25 00:07:32,846 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 393 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-10-25 00:07:32,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11443 states. [2018-10-25 00:07:33,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11443 to 11439. [2018-10-25 00:07:33,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11439 states. [2018-10-25 00:07:33,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11439 states to 11439 states and 13106 transitions. [2018-10-25 00:07:33,099 INFO L78 Accepts]: Start accepts. Automaton has 11439 states and 13106 transitions. Word has length 192 [2018-10-25 00:07:33,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:07:33,100 INFO L481 AbstractCegarLoop]: Abstraction has 11439 states and 13106 transitions. [2018-10-25 00:07:33,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-25 00:07:33,100 INFO L276 IsEmpty]: Start isEmpty. Operand 11439 states and 13106 transitions. [2018-10-25 00:07:33,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-25 00:07:33,122 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:07:33,123 INFO L375 BasicCegarLoop]: trace histogram [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, 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] [2018-10-25 00:07:33,123 INFO L424 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:07:33,123 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:33,123 INFO L82 PathProgramCache]: Analyzing trace with hash 812342500, now seen corresponding path program 1 times [2018-10-25 00:07:33,123 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:07:33,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:33,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:33,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:33,124 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:07:33,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:33,405 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 00:07:33,531 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 119 proven. 26 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-25 00:07:33,531 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:07:33,531 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:07:33,532 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 215 with the following transitions: [2018-10-25 00:07:33,532 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [91], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [351], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [463], [465], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:07:33,534 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:07:33,534 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:07:33,968 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:07:33,968 INFO L272 AbstractInterpreter]: Visited 105 different actions 414 times. Merged at 8 different actions 30 times. Never widened. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-25 00:07:33,980 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:33,980 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:07:33,980 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:07:33,980 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 00:07:33,988 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:33,988 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:07:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:34,072 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:07:34,159 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 126 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-25 00:07:34,159 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:07:34,436 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 119 proven. 26 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-25 00:07:34,457 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:07:34,458 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-10-25 00:07:34,458 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:07:34,460 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-25 00:07:34,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-25 00:07:34,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-10-25 00:07:34,461 INFO L87 Difference]: Start difference. First operand 11439 states and 13106 transitions. Second operand 9 states. [2018-10-25 00:07:36,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:07:36,561 INFO L93 Difference]: Finished difference Result 26990 states and 31290 transitions. [2018-10-25 00:07:36,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-10-25 00:07:36,562 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 214 [2018-10-25 00:07:36,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:07:36,588 INFO L225 Difference]: With dead ends: 26990 [2018-10-25 00:07:36,588 INFO L226 Difference]: Without dead ends: 8784 [2018-10-25 00:07:36,617 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 433 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2018-10-25 00:07:36,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8784 states. [2018-10-25 00:07:36,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8784 to 7735. [2018-10-25 00:07:36,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7735 states. [2018-10-25 00:07:36,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7735 states to 7735 states and 8501 transitions. [2018-10-25 00:07:36,805 INFO L78 Accepts]: Start accepts. Automaton has 7735 states and 8501 transitions. Word has length 214 [2018-10-25 00:07:36,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:07:36,805 INFO L481 AbstractCegarLoop]: Abstraction has 7735 states and 8501 transitions. [2018-10-25 00:07:36,805 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-25 00:07:36,805 INFO L276 IsEmpty]: Start isEmpty. Operand 7735 states and 8501 transitions. [2018-10-25 00:07:36,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-10-25 00:07:36,817 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:07:36,817 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-10-25 00:07:36,817 INFO L424 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:07:36,817 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:36,818 INFO L82 PathProgramCache]: Analyzing trace with hash -1600648944, now seen corresponding path program 1 times [2018-10-25 00:07:36,818 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:07:36,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:36,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:36,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:36,819 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:07:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:37,180 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 206 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-25 00:07:37,181 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:07:37,181 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:07:37,181 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 243 with the following transitions: [2018-10-25 00:07:37,181 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [91], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [236], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [463], [465], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:07:37,183 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:07:37,183 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:07:37,898 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:07:37,899 INFO L272 AbstractInterpreter]: Visited 108 different actions 440 times. Merged at 9 different actions 48 times. Widened at 1 different actions 7 times. Found 8 fixpoints after 2 different actions. Largest state had 38 variables. [2018-10-25 00:07:37,908 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:37,908 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:07:37,908 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:07:37,908 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 00:07:37,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:37,918 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:07:38,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:38,007 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:07:38,049 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 206 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-25 00:07:38,050 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:07:38,141 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 206 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-10-25 00:07:38,162 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:07:38,163 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 7 [2018-10-25 00:07:38,163 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:07:38,163 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 00:07:38,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 00:07:38,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-25 00:07:38,164 INFO L87 Difference]: Start difference. First operand 7735 states and 8501 transitions. Second operand 6 states. [2018-10-25 00:07:38,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:07:38,901 INFO L93 Difference]: Finished difference Result 12980 states and 14311 transitions. [2018-10-25 00:07:38,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-25 00:07:38,902 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 242 [2018-10-25 00:07:38,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:07:38,917 INFO L225 Difference]: With dead ends: 12980 [2018-10-25 00:07:38,917 INFO L226 Difference]: Without dead ends: 6300 [2018-10-25 00:07:38,926 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 495 GetRequests, 485 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-10-25 00:07:38,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6300 states. [2018-10-25 00:07:39,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6300 to 5349. [2018-10-25 00:07:39,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5349 states. [2018-10-25 00:07:39,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5349 states to 5349 states and 5740 transitions. [2018-10-25 00:07:39,042 INFO L78 Accepts]: Start accepts. Automaton has 5349 states and 5740 transitions. Word has length 242 [2018-10-25 00:07:39,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:07:39,043 INFO L481 AbstractCegarLoop]: Abstraction has 5349 states and 5740 transitions. [2018-10-25 00:07:39,043 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 00:07:39,043 INFO L276 IsEmpty]: Start isEmpty. Operand 5349 states and 5740 transitions. [2018-10-25 00:07:39,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-10-25 00:07:39,050 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:07:39,051 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-10-25 00:07:39,051 INFO L424 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:07:39,051 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:39,051 INFO L82 PathProgramCache]: Analyzing trace with hash 2010627505, now seen corresponding path program 1 times [2018-10-25 00:07:39,051 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:07:39,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:39,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:39,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:39,052 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:07:39,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:39,406 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-25 00:07:39,595 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-25 00:07:40,140 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 226 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:07:40,140 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:07:40,140 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:07:40,141 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 245 with the following transitions: [2018-10-25 00:07:40,141 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [190], [191], [195], [199], [210], [214], [218], [222], [233], [236], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [463], [465], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:07:40,143 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:07:40,143 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:07:40,636 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:07:40,636 INFO L272 AbstractInterpreter]: Visited 105 different actions 419 times. Merged at 8 different actions 35 times. Widened at 1 different actions 1 times. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-25 00:07:40,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:40,643 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:07:40,643 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:07:40,644 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 00:07:40,652 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:40,652 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:07:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:40,743 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:07:40,812 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-10-25 00:07:40,813 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:07:40,872 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-10-25 00:07:40,894 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:07:40,894 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [14] total 15 [2018-10-25 00:07:40,894 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:07:40,895 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-25 00:07:40,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-25 00:07:40,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2018-10-25 00:07:40,895 INFO L87 Difference]: Start difference. First operand 5349 states and 5740 transitions. Second operand 3 states. [2018-10-25 00:07:41,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:07:41,333 INFO L93 Difference]: Finished difference Result 7067 states and 7581 transitions. [2018-10-25 00:07:41,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-25 00:07:41,333 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 244 [2018-10-25 00:07:41,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:07:41,334 INFO L225 Difference]: With dead ends: 7067 [2018-10-25 00:07:41,334 INFO L226 Difference]: Without dead ends: 0 [2018-10-25 00:07:41,342 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 501 GetRequests, 488 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2018-10-25 00:07:41,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-25 00:07:41,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-25 00:07:41,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-25 00:07:41,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-25 00:07:41,343 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 244 [2018-10-25 00:07:41,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:07:41,343 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-25 00:07:41,343 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-25 00:07:41,343 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-25 00:07:41,343 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-25 00:07:41,349 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-25 00:07:41,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:41,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:41,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:41,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:41,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:41,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:42,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:42,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:42,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:42,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:42,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:42,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:42,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:42,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:42,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:42,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:42,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:42,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:43,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:43,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:43,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:43,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:43,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:43,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:43,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:43,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:43,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:43,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:43,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:43,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:43,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:43,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:43,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:43,809 WARN L179 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 401 DAG size of output: 339 [2018-10-25 00:07:43,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:44,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:44,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:44,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:44,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:44,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:44,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:44,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:44,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:44,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:44,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:44,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:44,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:44,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:44,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:44,843 WARN L179 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 412 DAG size of output: 350 [2018-10-25 00:07:45,830 WARN L179 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 49 [2018-10-25 00:07:47,384 WARN L179 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 142 DAG size of output: 77 [2018-10-25 00:07:53,375 WARN L179 SmtUtils]: Spent 5.95 s on a formula simplification. DAG size of input: 463 DAG size of output: 105 [2018-10-25 00:07:55,975 WARN L179 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 367 DAG size of output: 125 [2018-10-25 00:07:58,539 WARN L179 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 374 DAG size of output: 125 [2018-10-25 00:07:58,542 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-25 00:07:58,542 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a17~0)| ~a17~0) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-10-25 00:07:58,542 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-25 00:07:58,543 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 448) no Hoare annotation was computed. [2018-10-25 00:07:58,543 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,543 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,543 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,543 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,543 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,543 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-10-25 00:07:58,543 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-10-25 00:07:58,543 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-10-25 00:07:58,543 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-10-25 00:07:58,543 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-10-25 00:07:58,544 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-10-25 00:07:58,544 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-10-25 00:07:58,544 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-10-25 00:07:58,544 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-10-25 00:07:58,544 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-10-25 00:07:58,544 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-10-25 00:07:58,544 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-10-25 00:07:58,544 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-10-25 00:07:58,544 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,544 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,544 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,544 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,544 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-10-25 00:07:58,544 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,544 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-10-25 00:07:58,545 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-10-25 00:07:58,545 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-10-25 00:07:58,545 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-10-25 00:07:58,545 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-10-25 00:07:58,545 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-10-25 00:07:58,545 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-10-25 00:07:58,545 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-10-25 00:07:58,545 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-10-25 00:07:58,545 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-10-25 00:07:58,545 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-10-25 00:07:58,545 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-10-25 00:07:58,545 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-10-25 00:07:58,546 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-10-25 00:07:58,546 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-10-25 00:07:58,546 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,546 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,546 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,546 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,546 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,546 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-10-25 00:07:58,546 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-10-25 00:07:58,546 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-10-25 00:07:58,547 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-10-25 00:07:58,547 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-10-25 00:07:58,547 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-10-25 00:07:58,547 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-10-25 00:07:58,547 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-10-25 00:07:58,547 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-10-25 00:07:58,547 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-10-25 00:07:58,547 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-10-25 00:07:58,547 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,547 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,548 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,548 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,548 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,548 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-10-25 00:07:58,548 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-10-25 00:07:58,548 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-10-25 00:07:58,548 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-10-25 00:07:58,548 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-10-25 00:07:58,548 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-10-25 00:07:58,549 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-10-25 00:07:58,549 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-10-25 00:07:58,549 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-10-25 00:07:58,549 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-10-25 00:07:58,549 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-10-25 00:07:58,549 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-10-25 00:07:58,549 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-10-25 00:07:58,549 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,549 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,549 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,550 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,550 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,550 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-10-25 00:07:58,550 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-10-25 00:07:58,550 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-10-25 00:07:58,550 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-10-25 00:07:58,550 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-10-25 00:07:58,550 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-10-25 00:07:58,550 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-10-25 00:07:58,550 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-10-25 00:07:58,551 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-10-25 00:07:58,551 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-10-25 00:07:58,551 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-10-25 00:07:58,551 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-10-25 00:07:58,551 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-10-25 00:07:58,551 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-10-25 00:07:58,551 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-10-25 00:07:58,551 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-10-25 00:07:58,551 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,551 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,552 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,552 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,552 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-10-25 00:07:58,552 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,552 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-10-25 00:07:58,552 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,552 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-10-25 00:07:58,552 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-10-25 00:07:58,552 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-10-25 00:07:58,552 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,552 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,553 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-10-25 00:07:58,553 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-10-25 00:07:58,553 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-10-25 00:07:58,553 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-10-25 00:07:58,553 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-10-25 00:07:58,553 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-10-25 00:07:58,553 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-10-25 00:07:58,553 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-10-25 00:07:58,553 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-10-25 00:07:58,553 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-10-25 00:07:58,553 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-10-25 00:07:58,554 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,554 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,554 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,554 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,554 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,554 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,554 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-10-25 00:07:58,554 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-10-25 00:07:58,554 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-10-25 00:07:58,554 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-10-25 00:07:58,555 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-10-25 00:07:58,555 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-10-25 00:07:58,555 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-10-25 00:07:58,555 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-10-25 00:07:58,555 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-10-25 00:07:58,555 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-10-25 00:07:58,555 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-10-25 00:07:58,555 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,556 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,556 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,556 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,556 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,556 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,556 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-10-25 00:07:58,556 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-10-25 00:07:58,556 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-10-25 00:07:58,556 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-10-25 00:07:58,556 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-10-25 00:07:58,556 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-10-25 00:07:58,557 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-10-25 00:07:58,557 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-10-25 00:07:58,557 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-10-25 00:07:58,557 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-10-25 00:07:58,557 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-10-25 00:07:58,557 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-10-25 00:07:58,557 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-10-25 00:07:58,557 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-10-25 00:07:58,557 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,558 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,558 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,558 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse36 (not (= ~a28~0 0))) (.cse32 (= ~a17~0 8)) (.cse37 (= ~a21~0 1)) (.cse33 (not (= 1 ~a21~0))) (.cse13 (not (= 1 |old(~a19~0)|))) (.cse34 (= 0 |old(~a28~0)|)) (.cse35 (not (= 8 |old(~a17~0)|))) (.cse38 (= 1 |old(~a25~0)|))) (let ((.cse0 (= 1 |old(~a11~0)|)) (.cse29 (not (= ~a19~0 ~a25~0))) (.cse30 (and .cse38 (= |old(~a19~0)| |old(~a25~0)|))) (.cse23 (or .cse33 .cse13 .cse34 .cse35)) (.cse31 (= ~a11~0 0)) (.cse20 (< 10 |old(~a28~0)|)) (.cse21 (not .cse38)) (.cse25 (< 7 |old(~a17~0)|)) (.cse14 (= ~a11~0 1)) (.cse2 (and .cse36 .cse32 (= ~a19~0 1) .cse37)) (.cse4 (= ~a28~0 |old(~a28~0)|)) (.cse26 (<= ~a17~0 |old(~a17~0)|)) (.cse27 (= |old(~a28~0)| ~a28~0)) (.cse28 (= |old(~a19~0)| ~a19~0)) (.cse3 (= ~a25~0 |old(~a25~0)|))) (let ((.cse7 (= |old(~a17~0)| ~a17~0)) (.cse8 (and .cse26 .cse27 .cse28 .cse3)) (.cse22 (and .cse2 .cse4 .cse3)) (.cse6 (< |old(~a28~0)| 10)) (.cse5 (not .cse14)) (.cse9 (or .cse20 .cse21 (< |old(~a19~0)| 1) .cse25)) (.cse17 (and .cse31 .cse36 .cse32 .cse37)) (.cse24 (and .cse26 .cse27 .cse28)) (.cse12 (or .cse33 .cse34 (not (= 0 |old(~a11~0)|)) .cse35)) (.cse18 (= ~a19~0 |old(~a19~0)|)) (.cse15 (= 9 |old(~a28~0)|)) (.cse19 (< 0 |old(~a19~0)|)) (.cse1 (or .cse20 .cse30 .cse23)) (.cse11 (and .cse26 .cse27 .cse28 (<= ~a28~0 10) .cse2 .cse29 .cse3)) (.cse10 (= 8 |old(~a28~0)|)) (.cse16 (not .cse0))) (and (or .cse0 .cse1 (and (and .cse2 .cse3) .cse4 .cse5) .cse6) (or (and .cse7 .cse8) .cse6 .cse9) (or .cse1 .cse10 .cse11 .cse12) (or .cse13 (and .cse7 .cse8 .cse14) .cse10 .cse15 .cse16 .cse9) (or (and (and .cse17 .cse3) .cse18 .cse4) .cse15 (or .cse19 .cse12)) (or .cse20 .cse21 .cse10 .cse22 .cse23) (or .cse24 .cse19 .cse25) (or .cse0 .cse21 .cse10 .cse5 .cse23) (or .cse22 (or .cse0 .cse21 .cse23 .cse6)) (or (not (= |old(~a19~0)| 1)) (and .cse26 .cse27 .cse28 .cse29) .cse30 .cse25) (or .cse0 .cse6 .cse5 .cse9) (or (or .cse20 .cse21 .cse12 .cse23) (and .cse17 .cse18 .cse4 .cse3)) (or .cse20 .cse30 .cse25 .cse24) (or .cse20 .cse31 .cse10 .cse12 .cse23) (or .cse20 (and .cse32 .cse18 .cse4 .cse14 .cse3) .cse10 .cse15 .cse19 .cse16 (or .cse33 .cse34 .cse35)) (or .cse1 (and .cse14 .cse11) .cse10 .cse16))))) [2018-10-25 00:07:58,558 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,558 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,559 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,559 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-10-25 00:07:58,559 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-10-25 00:07:58,559 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-10-25 00:07:58,559 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-10-25 00:07:58,559 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-10-25 00:07:58,559 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-10-25 00:07:58,559 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-10-25 00:07:58,559 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-10-25 00:07:58,559 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-10-25 00:07:58,559 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-10-25 00:07:58,560 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-10-25 00:07:58,560 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-10-25 00:07:58,560 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-10-25 00:07:58,560 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,560 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,560 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,560 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,560 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,560 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,560 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-10-25 00:07:58,560 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-10-25 00:07:58,561 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-10-25 00:07:58,561 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-10-25 00:07:58,561 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-10-25 00:07:58,561 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-10-25 00:07:58,561 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-10-25 00:07:58,561 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-10-25 00:07:58,561 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-10-25 00:07:58,561 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-10-25 00:07:58,561 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-10-25 00:07:58,561 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-10-25 00:07:58,562 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-10-25 00:07:58,562 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-10-25 00:07:58,562 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-10-25 00:07:58,562 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-10-25 00:07:58,562 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,562 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,562 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,562 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,562 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:58,562 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-10-25 00:07:58,562 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-10-25 00:07:58,562 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-10-25 00:07:58,563 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-10-25 00:07:58,563 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-10-25 00:07:58,563 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-10-25 00:07:58,563 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-10-25 00:07:58,563 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-10-25 00:07:58,563 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-10-25 00:07:58,563 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-10-25 00:07:58,563 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-10-25 00:07:58,563 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-10-25 00:07:58,563 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-10-25 00:07:58,563 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-10-25 00:07:58,564 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-10-25 00:07:58,564 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-10-25 00:07:58,564 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-10-25 00:07:58,564 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-10-25 00:07:58,564 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-10-25 00:07:58,564 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-25 00:07:58,564 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~z~0 26) (= ~c~0 3) (= ~a21~0 1) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~y~0 25) (= ~e~0 5) (= ~a11~0 0) (= ~x~0 24) (= ~a25~0 0) (= ~a~0 1) (= ~a19~0 1) (= ~a17~0 8) (= ~a28~0 7)) [2018-10-25 00:07:58,564 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-25 00:07:58,564 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-25 00:07:58,565 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a11~0)| 0)) (not (= ~v~0 22)) (and (= |old(~a17~0)| ~a17~0) (= ~a11~0 0) (= ~a25~0 0) (= ~a19~0 1) (= |old(~a28~0)| ~a28~0)) (not (= ~u~0 21)) (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 3 ~c~0)) (not (= |old(~a25~0)| 0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= 8 |old(~a17~0)|)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-10-25 00:07:58,565 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-10-25 00:07:58,565 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse13 (not (= ~a28~0 0))) (.cse14 (= ~a17~0 8)) (.cse19 (= ~a19~0 1)) (.cse20 (= ~a21~0 1))) (let ((.cse11 (= |old(~a19~0)| ~a19~0)) (.cse4 (<= ~a28~0 10)) (.cse7 (and .cse13 .cse14 .cse19 .cse20)) (.cse5 (or (not (= ~a19~0 ~a25~0)) (not (= 1 ~a19~0))))) (let ((.cse18 (= ~a11~0 0)) (.cse6 (= 1 ~a25~0)) (.cse10 (= |old(~a19~0)| 1)) (.cse3 (<= ~a17~0 7)) (.cse0 (and .cse11 .cse4 .cse7 .cse5)) (.cse1 (not (= ~a28~0 8)))) (let ((.cse9 (and .cse0 .cse1)) (.cse17 (and (let ((.cse21 (<= ~a17~0 |old(~a17~0)|)) (.cse22 (not (= 1 |old(~a25~0)|)))) (or (and .cse10 .cse21 .cse3 .cse22 .cse6 .cse4) (and .cse10 .cse21 .cse11 .cse3 .cse22 .cse4))) .cse1 (<= |old(~a28~0)| 8))) (.cse16 (<= 10 ~a28~0)) (.cse8 (= ~a11~0 1)) (.cse12 (<= ~a19~0 0)) (.cse2 (and .cse18 .cse13 .cse14 .cse20)) (.cse15 (not (= ~a28~0 9)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse6 .cse4 .cse1 .cse7) (not (= |old(~a11~0)| 0)) (not (= 3 ~c~0)) (not (= 1 ~a21~0)) (not (= 4 ~d~0)) (and .cse8 .cse9) (not .cse10) (and .cse11 .cse3 .cse5) (and (and .cse12 .cse4 .cse1 (and .cse13 .cse14)) .cse8 .cse15) (and .cse16 .cse9) (and .cse17 .cse16) (not (= ~y~0 25)) (not (= |old(~a25~0)| 0)) (not (= ~x~0 24)) (not (= 8 |old(~a17~0)|)) (not (= ~e~0 5)) (not (= 7 |old(~a28~0)|)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (and .cse6 (and .cse18 .cse13 .cse14 .cse19)) (not (= ~z~0 26)) (and .cse17 .cse8 .cse15) (not (= 23 ~w~0)) (and .cse3 .cse12) (and .cse16 .cse6 (not .cse8) .cse7) (not (= ~a~0 1)) (and (and .cse12 .cse2) .cse15) (not (= 6 ~f~0))))))) [2018-10-25 00:07:58,565 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-10-25 00:07:58,565 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-10-25 00:07:58,565 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse13 (not (= ~a28~0 0))) (.cse14 (= ~a17~0 8)) (.cse19 (= ~a19~0 1)) (.cse20 (= ~a21~0 1))) (let ((.cse11 (= |old(~a19~0)| ~a19~0)) (.cse4 (<= ~a28~0 10)) (.cse7 (and .cse13 .cse14 .cse19 .cse20)) (.cse5 (or (not (= ~a19~0 ~a25~0)) (not (= 1 ~a19~0))))) (let ((.cse18 (= ~a11~0 0)) (.cse6 (= 1 ~a25~0)) (.cse10 (= |old(~a19~0)| 1)) (.cse3 (<= ~a17~0 7)) (.cse0 (and .cse11 .cse4 .cse7 .cse5)) (.cse1 (not (= ~a28~0 8)))) (let ((.cse9 (and .cse0 .cse1)) (.cse17 (and (let ((.cse21 (<= ~a17~0 |old(~a17~0)|)) (.cse22 (not (= 1 |old(~a25~0)|)))) (or (and .cse10 .cse21 .cse3 .cse22 .cse6 .cse4) (and .cse10 .cse21 .cse11 .cse3 .cse22 .cse4))) .cse1 (<= |old(~a28~0)| 8))) (.cse16 (<= 10 ~a28~0)) (.cse8 (= ~a11~0 1)) (.cse12 (<= ~a19~0 0)) (.cse2 (and .cse18 .cse13 .cse14 .cse20)) (.cse15 (not (= ~a28~0 9)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse6 .cse4 .cse1 .cse7) (not (= |old(~a11~0)| 0)) (not (= 3 ~c~0)) (not (= 1 ~a21~0)) (not (= 4 ~d~0)) (and .cse8 .cse9) (not .cse10) (and .cse11 .cse3 .cse5) (and (and .cse12 .cse4 .cse1 (and .cse13 .cse14)) .cse8 .cse15) (and .cse16 .cse9) (and .cse17 .cse16) (not (= ~y~0 25)) (not (= |old(~a25~0)| 0)) (not (= ~x~0 24)) (not (= 8 |old(~a17~0)|)) (not (= ~e~0 5)) (not (= 7 |old(~a28~0)|)) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (and .cse6 (and .cse18 .cse13 .cse14 .cse19)) (not (= ~z~0 26)) (and .cse17 .cse8 .cse15) (not (= 23 ~w~0)) (and .cse3 .cse12) (and .cse16 .cse6 (not .cse8) .cse7) (not (= ~a~0 1)) (and (and .cse12 .cse2) .cse15) (not (= 6 ~f~0))))))) [2018-10-25 00:07:58,566 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-10-25 00:07:58,566 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-10-25 00:07:58,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 12:07:58 BoogieIcfgContainer [2018-10-25 00:07:58,591 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-25 00:07:58,592 INFO L168 Benchmark]: Toolchain (without parser) took 146653.08 ms. Allocated memory was 1.5 GB in the beginning and 4.1 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 3.4 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-10-25 00:07:58,593 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-25 00:07:58,594 INFO L168 Benchmark]: CACSL2BoogieTranslator took 731.86 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-25 00:07:58,595 INFO L168 Benchmark]: Boogie Procedure Inliner took 192.57 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 752.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -829.5 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2018-10-25 00:07:58,596 INFO L168 Benchmark]: Boogie Preprocessor took 93.34 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. [2018-10-25 00:07:58,596 INFO L168 Benchmark]: RCFGBuilder took 3687.37 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: 116.3 MB). Peak memory consumption was 116.3 MB. Max. memory is 7.1 GB. [2018-10-25 00:07:58,597 INFO L168 Benchmark]: TraceAbstraction took 141942.89 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 3.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2018-10-25 00:07:58,602 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 731.86 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 192.57 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 752.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -829.5 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.34 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 3687.37 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: 116.3 MB). Peak memory consumption was 116.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 141942.89 ms. Allocated memory was 2.3 GB in the beginning and 4.1 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 3.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 448]: 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: 606]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((\old(a19) == a19 && a28 <= 10) && ((!(a28 == 0) && a17 == 8) && a19 == 1) && a21 == 1) && (!(a19 == a25) || !(1 == a19))) && !(a28 == 8)) && ((a11 == 0 && !(a28 == 0)) && a17 == 8) && a21 == 1) || ((a17 <= 7 && a28 <= 10) && (!(a19 == a25) || !(1 == a19)))) || (((1 == a25 && a28 <= 10) && !(a28 == 8)) && ((!(a28 == 0) && a17 == 8) && a19 == 1) && a21 == 1)) || !(\old(a11) == 0)) || !(3 == c)) || !(1 == a21)) || !(4 == d)) || (a11 == 1 && (((\old(a19) == a19 && a28 <= 10) && ((!(a28 == 0) && a17 == 8) && a19 == 1) && a21 == 1) && (!(a19 == a25) || !(1 == a19))) && !(a28 == 8))) || !(\old(a19) == 1)) || ((\old(a19) == a19 && a17 <= 7) && (!(a19 == a25) || !(1 == a19)))) || (((((a19 <= 0 && a28 <= 10) && !(a28 == 8)) && !(a28 == 0) && a17 == 8) && a11 == 1) && !(a28 == 9))) || (10 <= a28 && (((\old(a19) == a19 && a28 <= 10) && ((!(a28 == 0) && a17 == 8) && a19 == 1) && a21 == 1) && (!(a19 == a25) || !(1 == a19))) && !(a28 == 8))) || (((((((((\old(a19) == 1 && a17 <= \old(a17)) && a17 <= 7) && !(1 == \old(a25))) && 1 == a25) && a28 <= 10) || (((((\old(a19) == 1 && a17 <= \old(a17)) && \old(a19) == a19) && a17 <= 7) && !(1 == \old(a25))) && a28 <= 10)) && !(a28 == 8)) && \old(a28) <= 8) && 10 <= a28)) || !(y == 25)) || !(\old(a25) == 0)) || !(x == 24)) || !(8 == \old(a17))) || !(e == 5)) || !(7 == \old(a28))) || !(21 == u)) || !(22 == v)) || (1 == a25 && ((a11 == 0 && !(a28 == 0)) && a17 == 8) && a19 == 1)) || !(z == 26)) || ((((((((((\old(a19) == 1 && a17 <= \old(a17)) && a17 <= 7) && !(1 == \old(a25))) && 1 == a25) && a28 <= 10) || (((((\old(a19) == 1 && a17 <= \old(a17)) && \old(a19) == a19) && a17 <= 7) && !(1 == \old(a25))) && a28 <= 10)) && !(a28 == 8)) && \old(a28) <= 8) && a11 == 1) && !(a28 == 9))) || !(23 == w)) || (a17 <= 7 && a19 <= 0)) || (((10 <= a28 && 1 == a25) && !(a11 == 1)) && ((!(a28 == 0) && a17 == 8) && a19 == 1) && a21 == 1)) || !(a == 1)) || ((a19 <= 0 && ((a11 == 0 && !(a28 == 0)) && a17 == 8) && a21 == 1) && !(a28 == 9))) || !(6 == f) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 141.8s OverallTime, 14 OverallIterations, 5 TraceHistogramMax, 86.8s AutomataDifference, 0.0s DeadEndRemovalTime, 17.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1809 SDtfs, 14238 SDslu, 2265 SDs, 0 SdLazy, 24216 SolverSat, 3173 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 37.8s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 3911 GetRequests, 3290 SyntacticMatches, 408 SemanticMatches, 213 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3510 ImplicationChecksByTransitivity, 18.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11439occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 7.3s AbstIntTime, 13 AbstIntIterations, 5 AbstIntStrong, 0.9964192307228388 AbsIntWeakeningRatio, 0.2540381791483113 AbsIntAvgWeakeningVarsNumRemoved, 4.861967694566814 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 14 MinimizatonAttempts, 5038 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 398 PreInvPairs, 566 NumberOfFragments, 1827 HoareAnnotationTreeSize, 398 FomulaSimplifications, 97679 FormulaSimplificationTreeSizeReduction, 3.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 106154 FormulaSimplificationTreeSizeReductionInter, 13.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 10.3s InterpolantComputationTime, 3805 NumberOfCodeBlocks, 3805 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 5285 ConstructedInterpolants, 0 QuantifiedInterpolants, 2644304 SizeOfPredicates, 2 NumberOfNonLiveVariables, 3912 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 30 InterpolantComputations, 4 PerfectInterpolantSequences, 3414/3726 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...