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_label26_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-25 00:06:14,054 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-25 00:06:14,056 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-25 00:06:14,068 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-25 00:06:14,068 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-25 00:06:14,070 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-25 00:06:14,071 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-25 00:06:14,076 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-25 00:06:14,078 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-25 00:06:14,079 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-25 00:06:14,082 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-25 00:06:14,082 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-25 00:06:14,083 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-25 00:06:14,084 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-25 00:06:14,085 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-25 00:06:14,086 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-25 00:06:14,087 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-25 00:06:14,089 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-25 00:06:14,090 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-25 00:06:14,092 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-25 00:06:14,093 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-25 00:06:14,094 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-25 00:06:14,096 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-25 00:06:14,104 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 00:06:14,120 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-25 00:06:14,120 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-25 00:06:14,121 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-25 00:06:14,121 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-25 00:06:14,121 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-25 00:06:14,122 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-25 00:06:14,122 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-25 00:06:14,122 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-25 00:06:14,122 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-25 00:06:14,122 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-25 00:06:14,123 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-25 00:06:14,123 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-25 00:06:14,123 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-25 00:06:14,123 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-25 00:06:14,124 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-25 00:06:14,124 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-25 00:06:14,124 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-25 00:06:14,124 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-25 00:06:14,125 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-25 00:06:14,125 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-25 00:06:14,125 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-25 00:06:14,125 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-25 00:06:14,125 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-25 00:06:14,126 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-25 00:06:14,126 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-25 00:06:14,126 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-25 00:06:14,126 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-25 00:06:14,127 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-25 00:06:14,127 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-25 00:06:14,127 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-25 00:06:14,127 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-25 00:06:14,127 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-25 00:06:14,127 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-25 00:06:14,128 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-25 00:06:14,128 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-25 00:06:14,128 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-25 00:06:14,194 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-25 00:06:14,208 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-25 00:06:14,211 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-25 00:06:14,212 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-25 00:06:14,213 INFO L276 PluginConnector]: CDTParser initialized [2018-10-25 00:06:14,214 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label26_true-unreach-call_false-termination.c [2018-10-25 00:06:14,272 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e6622383d/6329f555602943fba8e01dd3454363ed/FLAGe999752da [2018-10-25 00:06:14,906 INFO L298 CDTParser]: Found 1 translation units. [2018-10-25 00:06:14,907 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label26_true-unreach-call_false-termination.c [2018-10-25 00:06:14,923 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e6622383d/6329f555602943fba8e01dd3454363ed/FLAGe999752da [2018-10-25 00:06:14,943 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/e6622383d/6329f555602943fba8e01dd3454363ed [2018-10-25 00:06:14,954 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-25 00:06:14,956 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-25 00:06:14,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-25 00:06:14,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-25 00:06:14,961 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-25 00:06:14,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 12:06:14" (1/1) ... [2018-10-25 00:06:14,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b38e11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:14, skipping insertion in model container [2018-10-25 00:06:14,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 12:06:14" (1/1) ... [2018-10-25 00:06:14,976 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-25 00:06:15,052 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-25 00:06:15,511 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 00:06:15,515 INFO L189 MainTranslator]: Completed pre-run [2018-10-25 00:06:15,653 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 00:06:15,675 INFO L193 MainTranslator]: Completed translation [2018-10-25 00:06:15,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:15 WrapperNode [2018-10-25 00:06:15,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-25 00:06:15,677 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-25 00:06:15,677 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-25 00:06:15,677 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-25 00:06:15,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:15" (1/1) ... [2018-10-25 00:06:15,703 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:15" (1/1) ... [2018-10-25 00:06:15,854 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-25 00:06:15,854 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-25 00:06:15,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-25 00:06:15,854 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-25 00:06:15,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:15" (1/1) ... [2018-10-25 00:06:15,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:15" (1/1) ... [2018-10-25 00:06:15,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:15" (1/1) ... [2018-10-25 00:06:15,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:15" (1/1) ... [2018-10-25 00:06:15,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:15" (1/1) ... [2018-10-25 00:06:15,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:15" (1/1) ... [2018-10-25 00:06:15,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:15" (1/1) ... [2018-10-25 00:06:15,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-25 00:06:15,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-25 00:06:15,930 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-25 00:06:15,930 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-25 00:06:15,931 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:15" (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 00:06:16,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-25 00:06:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-25 00:06:16,013 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-25 00:06:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-25 00:06:16,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-25 00:06:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-25 00:06:16,014 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-25 00:06:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-25 00:06:19,329 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-25 00:06:19,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:06:19 BoogieIcfgContainer [2018-10-25 00:06:19,330 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-25 00:06:19,332 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-25 00:06:19,332 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-25 00:06:19,335 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-25 00:06:19,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 12:06:14" (1/3) ... [2018-10-25 00:06:19,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18d9eec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 12:06:19, skipping insertion in model container [2018-10-25 00:06:19,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:06:15" (2/3) ... [2018-10-25 00:06:19,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18d9eec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 12:06:19, skipping insertion in model container [2018-10-25 00:06:19,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:06:19" (3/3) ... [2018-10-25 00:06:19,346 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label26_true-unreach-call_false-termination.c [2018-10-25 00:06:19,360 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-25 00:06:19,372 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-25 00:06:19,392 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-25 00:06:19,431 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-25 00:06:19,431 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-25 00:06:19,431 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-25 00:06:19,431 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-25 00:06:19,432 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-25 00:06:19,432 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-25 00:06:19,432 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-25 00:06:19,432 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-25 00:06:19,460 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-10-25 00:06:19,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-25 00:06:19,477 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:06:19,478 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:19,481 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:06:19,487 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:06:19,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1783395935, now seen corresponding path program 1 times [2018-10-25 00:06:19,490 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:06:19,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:19,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:06:19,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:19,538 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:06:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:06:20,178 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 00:06:20,181 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:06:20,181 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-25 00:06:20,181 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:06:20,192 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-25 00:06:20,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-25 00:06:20,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 00:06:20,212 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-10-25 00:06:21,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:06:21,817 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-10-25 00:06:21,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-25 00:06:21,819 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 143 [2018-10-25 00:06:21,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:06:21,840 INFO L225 Difference]: With dead ends: 618 [2018-10-25 00:06:21,840 INFO L226 Difference]: Without dead ends: 379 [2018-10-25 00:06:21,847 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 00:06:21,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-10-25 00:06:21,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2018-10-25 00:06:21,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-10-25 00:06:21,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 621 transitions. [2018-10-25 00:06:21,926 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 621 transitions. Word has length 143 [2018-10-25 00:06:21,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:06:21,928 INFO L481 AbstractCegarLoop]: Abstraction has 379 states and 621 transitions. [2018-10-25 00:06:21,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-25 00:06:21,928 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 621 transitions. [2018-10-25 00:06:21,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-25 00:06:21,935 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:06:21,936 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:21,936 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:06:21,937 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:06:21,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1923545450, now seen corresponding path program 1 times [2018-10-25 00:06:21,937 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:06:21,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:21,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:06:21,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:21,939 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:06:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:06:22,161 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:06:22,161 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:06:22,161 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-25 00:06:22,162 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:06:22,164 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 00:06:22,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 00:06:22,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 00:06:22,165 INFO L87 Difference]: Start difference. First operand 379 states and 621 transitions. Second operand 6 states. [2018-10-25 00:06:24,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:06:24,221 INFO L93 Difference]: Finished difference Result 1229 states and 2094 transitions. [2018-10-25 00:06:24,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-25 00:06:24,224 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 159 [2018-10-25 00:06:24,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:06:24,234 INFO L225 Difference]: With dead ends: 1229 [2018-10-25 00:06:24,234 INFO L226 Difference]: Without dead ends: 856 [2018-10-25 00:06:24,242 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-25 00:06:24,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2018-10-25 00:06:24,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 823. [2018-10-25 00:06:24,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 823 states. [2018-10-25 00:06:24,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1292 transitions. [2018-10-25 00:06:24,307 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1292 transitions. Word has length 159 [2018-10-25 00:06:24,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:06:24,307 INFO L481 AbstractCegarLoop]: Abstraction has 823 states and 1292 transitions. [2018-10-25 00:06:24,308 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 00:06:24,308 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1292 transitions. [2018-10-25 00:06:24,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-10-25 00:06:24,314 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:06:24,314 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:24,315 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:06:24,315 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:06:24,315 INFO L82 PathProgramCache]: Analyzing trace with hash 497696213, now seen corresponding path program 1 times [2018-10-25 00:06:24,316 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:06:24,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:24,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:06:24,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:24,317 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:06:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:06:24,614 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-25 00:06:24,917 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:06:24,918 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:06:24,918 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-25 00:06:24,918 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:06:24,919 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 00:06:24,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 00:06:24,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 00:06:24,920 INFO L87 Difference]: Start difference. First operand 823 states and 1292 transitions. Second operand 6 states. [2018-10-25 00:06:28,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:06:28,520 INFO L93 Difference]: Finished difference Result 2557 states and 4222 transitions. [2018-10-25 00:06:28,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-25 00:06:28,521 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 166 [2018-10-25 00:06:28,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:06:28,543 INFO L225 Difference]: With dead ends: 2557 [2018-10-25 00:06:28,544 INFO L226 Difference]: Without dead ends: 1740 [2018-10-25 00:06:28,551 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-25 00:06:28,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1740 states. [2018-10-25 00:06:28,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1740 to 1682. [2018-10-25 00:06:28,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1682 states. [2018-10-25 00:06:28,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1682 states and 2540 transitions. [2018-10-25 00:06:28,638 INFO L78 Accepts]: Start accepts. Automaton has 1682 states and 2540 transitions. Word has length 166 [2018-10-25 00:06:28,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:06:28,638 INFO L481 AbstractCegarLoop]: Abstraction has 1682 states and 2540 transitions. [2018-10-25 00:06:28,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 00:06:28,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 2540 transitions. [2018-10-25 00:06:28,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-25 00:06:28,648 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:06:28,648 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:28,648 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:06:28,649 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:06:28,649 INFO L82 PathProgramCache]: Analyzing trace with hash 698255549, now seen corresponding path program 1 times [2018-10-25 00:06:28,649 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:06:28,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:28,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:06:28,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:28,651 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:06:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:06:28,820 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-25 00:06:28,820 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:06:28,821 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:06:28,822 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 169 with the following transitions: [2018-10-25 00:06:28,824 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [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], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:06:28,872 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:06:28,872 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:06:29,436 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:06:29,438 INFO L272 AbstractInterpreter]: Visited 144 different actions 144 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-10-25 00:06:29,481 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:06:29,481 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:06:29,980 INFO L232 lantSequenceWeakener]: Weakened 159 states. On average, predicates are now at 81.37% of their original sizes. [2018-10-25 00:06:29,980 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:06:30,229 INFO L413 sIntCurrentIteration]: We have 167 unified AI predicates [2018-10-25 00:06:30,229 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:06:30,230 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:06:30,231 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-10-25 00:06:30,231 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:06:30,231 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 00:06:30,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 00:06:30,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 00:06:30,232 INFO L87 Difference]: Start difference. First operand 1682 states and 2540 transitions. Second operand 6 states. [2018-10-25 00:06:37,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:06:37,131 INFO L93 Difference]: Finished difference Result 3506 states and 5281 transitions. [2018-10-25 00:06:37,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-25 00:06:37,131 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 168 [2018-10-25 00:06:37,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:06:37,142 INFO L225 Difference]: With dead ends: 3506 [2018-10-25 00:06:37,142 INFO L226 Difference]: Without dead ends: 1830 [2018-10-25 00:06:37,149 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 168 GetRequests, 163 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 00:06:37,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1830 states. [2018-10-25 00:06:37,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1830 to 1827. [2018-10-25 00:06:37,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1827 states. [2018-10-25 00:06:37,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 2692 transitions. [2018-10-25 00:06:37,205 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 2692 transitions. Word has length 168 [2018-10-25 00:06:37,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:06:37,205 INFO L481 AbstractCegarLoop]: Abstraction has 1827 states and 2692 transitions. [2018-10-25 00:06:37,206 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 00:06:37,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2692 transitions. [2018-10-25 00:06:37,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-25 00:06:37,214 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:06:37,215 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:37,215 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:06:37,215 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:06:37,216 INFO L82 PathProgramCache]: Analyzing trace with hash -2055274082, now seen corresponding path program 1 times [2018-10-25 00:06:37,216 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:06:37,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:37,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:06:37,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:37,217 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:06:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:06:37,497 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 32 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-25 00:06:37,498 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:06:37,498 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:06:37,498 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 179 with the following transitions: [2018-10-25 00:06:37,499 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [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], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:06:37,504 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:06:37,505 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:06:38,170 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:06:38,170 INFO L272 AbstractInterpreter]: Visited 148 different actions 441 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 00:06:38,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:06:38,214 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:06:39,357 INFO L232 lantSequenceWeakener]: Weakened 2 states. On average, predicates are now at 81.94% of their original sizes. [2018-10-25 00:06:39,357 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:06:44,201 INFO L413 sIntCurrentIteration]: We have 177 unified AI predicates [2018-10-25 00:06:44,201 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:06:44,201 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:06:44,201 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [9] total 19 [2018-10-25 00:06:44,201 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:06:44,202 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-25 00:06:44,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-25 00:06:44,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2018-10-25 00:06:44,202 INFO L87 Difference]: Start difference. First operand 1827 states and 2692 transitions. Second operand 12 states. [2018-10-25 00:06:58,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:06:58,204 INFO L93 Difference]: Finished difference Result 5086 states and 7444 transitions. [2018-10-25 00:06:58,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-25 00:06:58,205 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 178 [2018-10-25 00:06:58,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:06:58,220 INFO L225 Difference]: With dead ends: 5086 [2018-10-25 00:06:58,221 INFO L226 Difference]: Without dead ends: 3265 [2018-10-25 00:06:58,227 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 181 GetRequests, 27 SyntacticMatches, 140 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 721 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2018-10-25 00:06:58,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3265 states. [2018-10-25 00:06:58,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3265 to 3069. [2018-10-25 00:06:58,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3069 states. [2018-10-25 00:06:58,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3069 states to 3069 states and 4237 transitions. [2018-10-25 00:06:58,312 INFO L78 Accepts]: Start accepts. Automaton has 3069 states and 4237 transitions. Word has length 178 [2018-10-25 00:06:58,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:06:58,312 INFO L481 AbstractCegarLoop]: Abstraction has 3069 states and 4237 transitions. [2018-10-25 00:06:58,312 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-25 00:06:58,312 INFO L276 IsEmpty]: Start isEmpty. Operand 3069 states and 4237 transitions. [2018-10-25 00:06:58,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-25 00:06:58,323 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:06:58,324 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:58,324 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:06:58,324 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:06:58,324 INFO L82 PathProgramCache]: Analyzing trace with hash 372209646, now seen corresponding path program 1 times [2018-10-25 00:06:58,325 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:06:58,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:58,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:06:58,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:06:58,326 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:06:58,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:06:58,995 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 26 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:06:58,995 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:06:58,995 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:06:58,996 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 181 with the following transitions: [2018-10-25 00:06:58,996 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [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], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:06:59,001 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:06:59,001 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:06:59,673 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:06:59,673 INFO L272 AbstractInterpreter]: Visited 148 different actions 439 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 00:06:59,712 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:06:59,714 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:06:59,714 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:06:59,715 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 00:06:59,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:06:59,727 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:06:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:06:59,843 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:06:59,960 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-25 00:06:59,960 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:07:00,465 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-25 00:07:00,501 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:07:00,502 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 8 [2018-10-25 00:07:00,502 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:07:00,502 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-25 00:07:00,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-25 00:07:00,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-10-25 00:07:00,503 INFO L87 Difference]: Start difference. First operand 3069 states and 4237 transitions. Second operand 3 states. [2018-10-25 00:07:02,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:07:02,458 INFO L93 Difference]: Finished difference Result 6886 states and 10102 transitions. [2018-10-25 00:07:02,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-25 00:07:02,460 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 180 [2018-10-25 00:07:02,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:07:02,486 INFO L225 Difference]: With dead ends: 6886 [2018-10-25 00:07:02,486 INFO L226 Difference]: Without dead ends: 4454 [2018-10-25 00:07:02,497 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 362 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-10-25 00:07:02,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4454 states. [2018-10-25 00:07:02,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4454 to 4447. [2018-10-25 00:07:02,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4447 states. [2018-10-25 00:07:02,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4447 states to 4447 states and 6063 transitions. [2018-10-25 00:07:02,624 INFO L78 Accepts]: Start accepts. Automaton has 4447 states and 6063 transitions. Word has length 180 [2018-10-25 00:07:02,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:07:02,624 INFO L481 AbstractCegarLoop]: Abstraction has 4447 states and 6063 transitions. [2018-10-25 00:07:02,625 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-25 00:07:02,625 INFO L276 IsEmpty]: Start isEmpty. Operand 4447 states and 6063 transitions. [2018-10-25 00:07:02,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-25 00:07:02,641 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:07:02,642 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:07:02,642 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:07:02,642 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:02,642 INFO L82 PathProgramCache]: Analyzing trace with hash 376466040, now seen corresponding path program 1 times [2018-10-25 00:07:02,643 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:07:02,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:02,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:02,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:02,644 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:07:02,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:02,837 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 00:07:02,838 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:07:02,838 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:07:02,838 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 190 with the following transitions: [2018-10-25 00:07:02,838 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], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:07:02,843 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:07:02,843 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:07:03,657 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:07:03,657 INFO L272 AbstractInterpreter]: Visited 148 different actions 439 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 00:07:03,697 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:03,698 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:07:03,698 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:07:03,698 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 00:07:03,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:03,715 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:07:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:03,806 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:07:03,961 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 00:07:03,961 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:07:04,111 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 00:07:04,133 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:07:04,133 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-10-25 00:07:04,133 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:07:04,134 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-25 00:07:04,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-25 00:07:04,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-10-25 00:07:04,135 INFO L87 Difference]: Start difference. First operand 4447 states and 6063 transitions. Second operand 9 states. [2018-10-25 00:07:06,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:07:06,497 INFO L93 Difference]: Finished difference Result 10052 states and 14278 transitions. [2018-10-25 00:07:06,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-25 00:07:06,503 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 189 [2018-10-25 00:07:06,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:07:06,532 INFO L225 Difference]: With dead ends: 10052 [2018-10-25 00:07:06,532 INFO L226 Difference]: Without dead ends: 6183 [2018-10-25 00:07:06,547 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 374 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-10-25 00:07:06,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6183 states. [2018-10-25 00:07:06,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6183 to 6104. [2018-10-25 00:07:06,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6104 states. [2018-10-25 00:07:06,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6104 states to 6104 states and 8363 transitions. [2018-10-25 00:07:06,722 INFO L78 Accepts]: Start accepts. Automaton has 6104 states and 8363 transitions. Word has length 189 [2018-10-25 00:07:06,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:07:06,722 INFO L481 AbstractCegarLoop]: Abstraction has 6104 states and 8363 transitions. [2018-10-25 00:07:06,722 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-25 00:07:06,722 INFO L276 IsEmpty]: Start isEmpty. Operand 6104 states and 8363 transitions. [2018-10-25 00:07:06,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-25 00:07:06,741 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:07:06,742 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:07:06,742 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:07:06,742 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:06,742 INFO L82 PathProgramCache]: Analyzing trace with hash -1415888768, now seen corresponding path program 1 times [2018-10-25 00:07:06,742 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:07:06,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:06,743 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:06,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:06,744 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:07:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:07,176 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 00:07:07,176 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:07:07,176 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:07:07,177 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 194 with the following transitions: [2018-10-25 00:07:07,177 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], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:07:07,180 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:07:07,180 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:07:07,691 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:07:07,691 INFO L272 AbstractInterpreter]: Visited 148 different actions 442 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 00:07:07,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:07,699 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:07:07,699 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:07:07,699 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 00:07:07,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:07,709 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:07:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:07,785 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:07:07,916 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-25 00:07:07,917 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:07:08,014 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-25 00:07:08,036 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:07:08,036 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2018-10-25 00:07:08,036 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:07:08,037 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-25 00:07:08,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-25 00:07:08,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-10-25 00:07:08,038 INFO L87 Difference]: Start difference. First operand 6104 states and 8363 transitions. Second operand 3 states. [2018-10-25 00:07:08,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:07:08,828 INFO L93 Difference]: Finished difference Result 14425 states and 20261 transitions. [2018-10-25 00:07:08,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-25 00:07:08,830 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2018-10-25 00:07:08,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:07:08,877 INFO L225 Difference]: With dead ends: 14425 [2018-10-25 00:07:08,877 INFO L226 Difference]: Without dead ends: 8887 [2018-10-25 00:07:08,902 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-10-25 00:07:08,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8887 states. [2018-10-25 00:07:09,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8887 to 8855. [2018-10-25 00:07:09,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8855 states. [2018-10-25 00:07:09,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8855 states to 8855 states and 11387 transitions. [2018-10-25 00:07:09,154 INFO L78 Accepts]: Start accepts. Automaton has 8855 states and 11387 transitions. Word has length 193 [2018-10-25 00:07:09,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:07:09,154 INFO L481 AbstractCegarLoop]: Abstraction has 8855 states and 11387 transitions. [2018-10-25 00:07:09,154 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-25 00:07:09,155 INFO L276 IsEmpty]: Start isEmpty. Operand 8855 states and 11387 transitions. [2018-10-25 00:07:09,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-25 00:07:09,181 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:07:09,182 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:07:09,182 INFO L424 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:07:09,182 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:09,182 INFO L82 PathProgramCache]: Analyzing trace with hash -955817589, now seen corresponding path program 1 times [2018-10-25 00:07:09,182 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:07:09,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:09,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:09,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:09,184 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:07:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:09,636 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 74 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-25 00:07:09,637 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:07:09,637 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:07:09,637 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 210 with the following transitions: [2018-10-25 00:07:09,637 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [33], [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], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:07:09,640 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:07:09,641 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:07:10,298 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:07:10,298 INFO L272 AbstractInterpreter]: Visited 149 different actions 448 times. Merged at 8 different actions 25 times. Never widened. Found 4 fixpoints after 2 different actions. Largest state had 38 variables. [2018-10-25 00:07:10,335 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:10,335 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:07:10,335 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:07:10,335 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) [2018-10-25 00:07:10,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:10,346 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-25 00:07:10,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:10,423 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:07:10,610 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-25 00:07:10,611 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:07:10,781 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-25 00:07:10,804 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:07:10,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-10-25 00:07:10,804 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:07:10,805 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-25 00:07:10,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-25 00:07:10,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-10-25 00:07:10,805 INFO L87 Difference]: Start difference. First operand 8855 states and 11387 transitions. Second operand 9 states. [2018-10-25 00:07:15,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:07:15,289 INFO L93 Difference]: Finished difference Result 18204 states and 23828 transitions. [2018-10-25 00:07:15,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-10-25 00:07:15,290 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 209 [2018-10-25 00:07:15,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:07:15,311 INFO L225 Difference]: With dead ends: 18204 [2018-10-25 00:07:15,312 INFO L226 Difference]: Without dead ends: 6225 [2018-10-25 00:07:15,349 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 470 GetRequests, 433 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=343, Invalid=1063, Unknown=0, NotChecked=0, Total=1406 [2018-10-25 00:07:15,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6225 states. [2018-10-25 00:07:15,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6225 to 6022. [2018-10-25 00:07:15,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6022 states. [2018-10-25 00:07:15,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6022 states to 6022 states and 6855 transitions. [2018-10-25 00:07:15,486 INFO L78 Accepts]: Start accepts. Automaton has 6022 states and 6855 transitions. Word has length 209 [2018-10-25 00:07:15,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:07:15,486 INFO L481 AbstractCegarLoop]: Abstraction has 6022 states and 6855 transitions. [2018-10-25 00:07:15,486 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-25 00:07:15,487 INFO L276 IsEmpty]: Start isEmpty. Operand 6022 states and 6855 transitions. [2018-10-25 00:07:15,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-10-25 00:07:15,505 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:07:15,505 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:07:15,505 INFO L424 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:07:15,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:15,506 INFO L82 PathProgramCache]: Analyzing trace with hash -2032766019, now seen corresponding path program 1 times [2018-10-25 00:07:15,506 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:07:15,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:15,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:15,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:15,507 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:07:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:16,629 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 117 proven. 54 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-25 00:07:16,629 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:07:16,629 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:07:16,630 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 266 with the following transitions: [2018-10-25 00:07:16,630 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], [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], [301], [306], [308], [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], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:07:16,634 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:07:16,634 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:07:17,661 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:07:17,662 INFO L272 AbstractInterpreter]: Visited 151 different actions 599 times. Merged at 8 different actions 35 times. Widened at 1 different actions 2 times. Found 6 fixpoints after 4 different actions. Largest state had 38 variables. [2018-10-25 00:07:17,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:17,700 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:07:17,700 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:07:17,700 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 00:07:17,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:17,715 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:07:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:17,810 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:07:18,398 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-25 00:07:18,399 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:07:18,729 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 128 proven. 36 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-25 00:07:18,752 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:07:18,752 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 15 [2018-10-25 00:07:18,752 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:07:18,753 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-25 00:07:18,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-25 00:07:18,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-10-25 00:07:18,754 INFO L87 Difference]: Start difference. First operand 6022 states and 6855 transitions. Second operand 13 states. [2018-10-25 00:07:21,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:07:21,095 INFO L93 Difference]: Finished difference Result 12069 states and 14322 transitions. [2018-10-25 00:07:21,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-10-25 00:07:21,105 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 265 [2018-10-25 00:07:21,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:07:21,126 INFO L225 Difference]: With dead ends: 12069 [2018-10-25 00:07:21,127 INFO L226 Difference]: Without dead ends: 7006 [2018-10-25 00:07:21,136 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 578 GetRequests, 543 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=357, Invalid=903, Unknown=0, NotChecked=0, Total=1260 [2018-10-25 00:07:21,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7006 states. [2018-10-25 00:07:21,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7006 to 5885. [2018-10-25 00:07:21,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5885 states. [2018-10-25 00:07:21,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5885 states to 5885 states and 6770 transitions. [2018-10-25 00:07:21,274 INFO L78 Accepts]: Start accepts. Automaton has 5885 states and 6770 transitions. Word has length 265 [2018-10-25 00:07:21,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:07:21,274 INFO L481 AbstractCegarLoop]: Abstraction has 5885 states and 6770 transitions. [2018-10-25 00:07:21,275 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-25 00:07:21,275 INFO L276 IsEmpty]: Start isEmpty. Operand 5885 states and 6770 transitions. [2018-10-25 00:07:21,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-10-25 00:07:21,291 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:07:21,292 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:07:21,292 INFO L424 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:07:21,292 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:21,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1609183519, now seen corresponding path program 1 times [2018-10-25 00:07:21,292 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:07:21,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:21,293 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:21,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:21,294 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:07:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:21,618 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 128 proven. 44 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-25 00:07:21,618 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:07:21,619 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:07:21,619 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 272 with the following transitions: [2018-10-25 00:07:21,619 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], [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], [301], [306], [308], [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], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:07:21,622 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:07:21,622 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:07:21,862 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:07:21,862 INFO L272 AbstractInterpreter]: Visited 149 different actions 291 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 00:07:21,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:21,870 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:07:22,745 INFO L232 lantSequenceWeakener]: Weakened 265 states. On average, predicates are now at 81.14% of their original sizes. [2018-10-25 00:07:22,746 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:07:22,888 INFO L413 sIntCurrentIteration]: We have 270 unified AI predicates [2018-10-25 00:07:22,889 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:07:22,889 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:07:22,889 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2018-10-25 00:07:22,889 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:07:22,889 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-25 00:07:22,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-25 00:07:22,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2018-10-25 00:07:22,890 INFO L87 Difference]: Start difference. First operand 5885 states and 6770 transitions. Second operand 11 states. [2018-10-25 00:07:28,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:07:28,464 INFO L93 Difference]: Finished difference Result 14202 states and 16497 transitions. [2018-10-25 00:07:28,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-25 00:07:28,465 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 271 [2018-10-25 00:07:28,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:07:28,486 INFO L225 Difference]: With dead ends: 14202 [2018-10-25 00:07:28,487 INFO L226 Difference]: Without dead ends: 8755 [2018-10-25 00:07:28,496 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 281 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2018-10-25 00:07:28,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8755 states. [2018-10-25 00:07:28,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8755 to 8729. [2018-10-25 00:07:28,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8729 states. [2018-10-25 00:07:28,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8729 states to 8729 states and 10031 transitions. [2018-10-25 00:07:28,673 INFO L78 Accepts]: Start accepts. Automaton has 8729 states and 10031 transitions. Word has length 271 [2018-10-25 00:07:28,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:07:28,674 INFO L481 AbstractCegarLoop]: Abstraction has 8729 states and 10031 transitions. [2018-10-25 00:07:28,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-25 00:07:28,674 INFO L276 IsEmpty]: Start isEmpty. Operand 8729 states and 10031 transitions. [2018-10-25 00:07:28,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-10-25 00:07:28,699 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:07:28,699 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:07:28,700 INFO L424 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:07:28,700 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:28,700 INFO L82 PathProgramCache]: Analyzing trace with hash 581149415, now seen corresponding path program 1 times [2018-10-25 00:07:28,700 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:07:28,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:28,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:28,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:28,701 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:07:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:29,293 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 201 proven. 44 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-10-25 00:07:29,293 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:07:29,294 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:07:29,294 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 306 with the following transitions: [2018-10-25 00:07:29,294 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], [123], [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], [301], [306], [308], [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], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:07:29,297 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:07:29,297 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:07:30,215 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:07:30,215 INFO L272 AbstractInterpreter]: Visited 154 different actions 768 times. Merged at 9 different actions 55 times. Widened at 1 different actions 6 times. Found 10 fixpoints after 4 different actions. Largest state had 38 variables. [2018-10-25 00:07:30,221 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:30,221 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:07:30,221 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:07:30,221 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 00:07:30,230 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:30,231 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:07:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:30,334 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:07:30,529 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-10-25 00:07:30,530 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:07:31,513 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 162 proven. 2 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2018-10-25 00:07:31,552 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-10-25 00:07:31,553 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2018-10-25 00:07:31,553 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:07:31,553 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-25 00:07:31,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-25 00:07:31,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-25 00:07:31,557 INFO L87 Difference]: Start difference. First operand 8729 states and 10031 transitions. Second operand 3 states. [2018-10-25 00:07:33,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:07:33,029 INFO L93 Difference]: Finished difference Result 13384 states and 15355 transitions. [2018-10-25 00:07:33,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-25 00:07:33,029 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 305 [2018-10-25 00:07:33,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:07:33,052 INFO L225 Difference]: With dead ends: 13384 [2018-10-25 00:07:33,052 INFO L226 Difference]: Without dead ends: 8574 [2018-10-25 00:07:33,062 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 616 GetRequests, 610 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-25 00:07:33,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8574 states. [2018-10-25 00:07:33,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8574 to 8328. [2018-10-25 00:07:33,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8328 states. [2018-10-25 00:07:33,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8328 states to 8328 states and 9404 transitions. [2018-10-25 00:07:33,231 INFO L78 Accepts]: Start accepts. Automaton has 8328 states and 9404 transitions. Word has length 305 [2018-10-25 00:07:33,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:07:33,231 INFO L481 AbstractCegarLoop]: Abstraction has 8328 states and 9404 transitions. [2018-10-25 00:07:33,231 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-25 00:07:33,231 INFO L276 IsEmpty]: Start isEmpty. Operand 8328 states and 9404 transitions. [2018-10-25 00:07:33,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-10-25 00:07:33,250 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:07:33,251 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, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:07:33,251 INFO L424 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:07:33,251 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:33,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1360438372, now seen corresponding path program 1 times [2018-10-25 00:07:33,252 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:07:33,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:33,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:33,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:07:33,253 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:07:33,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:34,075 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 253 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:07:34,076 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:07:34,076 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:07:34,076 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 310 with the following transitions: [2018-10-25 00:07:34,076 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], [191], [195], [199], [210], [214], [218], [222], [233], [236], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [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], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [795], [803], [811], [815], [817], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:07:34,079 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:07:34,079 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:07:35,083 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:07:35,083 INFO L272 AbstractInterpreter]: Visited 151 different actions 601 times. Merged at 8 different actions 37 times. Widened at 1 different actions 3 times. Found 6 fixpoints after 4 different actions. Largest state had 38 variables. [2018-10-25 00:07:35,117 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:07:35,117 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:07:35,117 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:07:35,117 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 00:07:35,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:07:35,135 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:07:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:07:35,238 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:07:35,411 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-10-25 00:07:35,411 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:07:35,510 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-10-25 00:07:35,531 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:07:35,531 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [10] total 11 [2018-10-25 00:07:35,531 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:07:35,532 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-25 00:07:35,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-25 00:07:35,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-10-25 00:07:35,532 INFO L87 Difference]: Start difference. First operand 8328 states and 9404 transitions. Second operand 3 states. [2018-10-25 00:07:36,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:07:36,013 INFO L93 Difference]: Finished difference Result 9987 states and 11181 transitions. [2018-10-25 00:07:36,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-25 00:07:36,013 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 309 [2018-10-25 00:07:36,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:07:36,014 INFO L225 Difference]: With dead ends: 9987 [2018-10-25 00:07:36,014 INFO L226 Difference]: Without dead ends: 0 [2018-10-25 00:07:36,026 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 627 GetRequests, 618 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-10-25 00:07:36,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-25 00:07:36,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-25 00:07:36,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-25 00:07:36,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-25 00:07:36,027 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 309 [2018-10-25 00:07:36,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:07:36,027 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-25 00:07:36,027 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-25 00:07:36,027 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-25 00:07:36,028 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-25 00:07:36,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-25 00:07:36,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,878 WARN L179 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 223 [2018-10-25 00:07:36,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:36,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:37,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:37,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:37,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:37,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:37,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:37,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:37,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:37,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:37,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:37,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:37,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:37,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:37,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:37,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:37,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:37,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:37,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:37,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:37,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:37,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:37,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:37,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:37,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:37,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:37,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:37,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:37,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:37,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:37,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:37,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:37,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:07:37,296 WARN L179 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 232 [2018-10-25 00:07:38,118 WARN L179 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 49 [2018-10-25 00:07:38,727 WARN L179 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 77 [2018-10-25 00:07:41,876 WARN L179 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 324 DAG size of output: 74 [2018-10-25 00:07:43,131 WARN L179 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 246 DAG size of output: 104 [2018-10-25 00:07:44,592 WARN L179 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 255 DAG size of output: 104 [2018-10-25 00:07:44,596 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-25 00:07:44,596 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= |old(~a17~0)| ~a17~0) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-10-25 00:07:44,596 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-25 00:07:44,596 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,597 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,597 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,597 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,597 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,597 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-10-25 00:07:44,597 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-10-25 00:07:44,597 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-10-25 00:07:44,597 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-10-25 00:07:44,598 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-10-25 00:07:44,598 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-10-25 00:07:44,598 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-10-25 00:07:44,598 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-10-25 00:07:44,598 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-10-25 00:07:44,598 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-10-25 00:07:44,598 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-10-25 00:07:44,598 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-10-25 00:07:44,598 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-10-25 00:07:44,599 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,599 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,599 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,599 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,599 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-10-25 00:07:44,599 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,599 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-10-25 00:07:44,599 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-10-25 00:07:44,599 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-10-25 00:07:44,599 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-10-25 00:07:44,600 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-10-25 00:07:44,600 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-10-25 00:07:44,600 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-10-25 00:07:44,600 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-10-25 00:07:44,600 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-10-25 00:07:44,600 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-10-25 00:07:44,600 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-10-25 00:07:44,600 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-10-25 00:07:44,600 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-10-25 00:07:44,601 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-10-25 00:07:44,601 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-10-25 00:07:44,601 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,601 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,601 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,601 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,601 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,601 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-10-25 00:07:44,601 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-10-25 00:07:44,602 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-10-25 00:07:44,602 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-10-25 00:07:44,602 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-10-25 00:07:44,602 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-10-25 00:07:44,602 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-10-25 00:07:44,602 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-10-25 00:07:44,602 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-10-25 00:07:44,602 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-10-25 00:07:44,603 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-10-25 00:07:44,603 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,603 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,603 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,603 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,603 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,603 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-10-25 00:07:44,603 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-10-25 00:07:44,603 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-10-25 00:07:44,604 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-10-25 00:07:44,604 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-10-25 00:07:44,604 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-10-25 00:07:44,604 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-10-25 00:07:44,604 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-10-25 00:07:44,604 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-10-25 00:07:44,604 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-10-25 00:07:44,604 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-10-25 00:07:44,604 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-10-25 00:07:44,605 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-10-25 00:07:44,605 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,605 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,605 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,605 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,605 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,605 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-10-25 00:07:44,605 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-10-25 00:07:44,605 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-10-25 00:07:44,606 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-10-25 00:07:44,606 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-10-25 00:07:44,606 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-10-25 00:07:44,606 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-10-25 00:07:44,606 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-10-25 00:07:44,606 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-10-25 00:07:44,606 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-10-25 00:07:44,606 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-10-25 00:07:44,606 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-10-25 00:07:44,606 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-10-25 00:07:44,607 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-10-25 00:07:44,607 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-10-25 00:07:44,607 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-10-25 00:07:44,607 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,607 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,607 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,607 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,607 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-10-25 00:07:44,607 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,607 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-10-25 00:07:44,608 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,608 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-10-25 00:07:44,608 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-10-25 00:07:44,608 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-10-25 00:07:44,608 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,608 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,608 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-10-25 00:07:44,608 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-10-25 00:07:44,608 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-10-25 00:07:44,608 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-10-25 00:07:44,609 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-10-25 00:07:44,609 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-10-25 00:07:44,609 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-10-25 00:07:44,609 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-10-25 00:07:44,609 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-10-25 00:07:44,609 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-10-25 00:07:44,609 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-10-25 00:07:44,609 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2018-10-25 00:07:44,609 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,610 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,610 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,610 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,610 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,610 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,610 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-10-25 00:07:44,610 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-10-25 00:07:44,610 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-10-25 00:07:44,610 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-10-25 00:07:44,610 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-10-25 00:07:44,611 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-10-25 00:07:44,611 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-10-25 00:07:44,611 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-10-25 00:07:44,611 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-10-25 00:07:44,611 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-10-25 00:07:44,611 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-10-25 00:07:44,611 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,611 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,611 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,612 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,612 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,612 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,612 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-10-25 00:07:44,612 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-10-25 00:07:44,612 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-10-25 00:07:44,612 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-10-25 00:07:44,612 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-10-25 00:07:44,613 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-10-25 00:07:44,613 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-10-25 00:07:44,613 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-10-25 00:07:44,613 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-10-25 00:07:44,613 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-10-25 00:07:44,613 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-10-25 00:07:44,613 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-10-25 00:07:44,613 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-10-25 00:07:44,613 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-10-25 00:07:44,613 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,614 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,614 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,614 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse4 (= ~a11~0 1)) (.cse8 (not (= 1 ~a21~0))) (.cse11 (not (= 8 |old(~a17~0)|))) (.cse21 (= 1 |old(~a25~0)|)) (.cse19 (= |old(~a28~0)| ~a28~0)) (.cse20 (= ~a11~0 |old(~a11~0)|)) (.cse22 (= |old(~a19~0)| ~a19~0)) (.cse23 (= ~a17~0 8)) (.cse3 (= ~a28~0 |old(~a28~0)|)) (.cse5 (= ~a25~0 |old(~a25~0)|))) (let ((.cse10 (and .cse22 (= ~a11~0 0) .cse23 .cse3 .cse5)) (.cse9 (not (= 0 |old(~a11~0)|))) (.cse16 (and (<= ~a17~0 |old(~a17~0)|) .cse19 .cse22 .cse20 .cse5)) (.cse13 (not .cse21)) (.cse6 (or .cse8 (not (= 1 |old(~a19~0)|)) (= 0 |old(~a28~0)|) .cse11)) (.cse2 (and (not (= ~a28~0 0)) .cse23 (= ~a19~0 1) (= ~a21~0 1))) (.cse0 (< 10 |old(~a28~0)|)) (.cse1 (= 8 |old(~a28~0)|)) (.cse17 (< 7 |old(~a17~0)|)) (.cse14 (and (= |old(~a17~0)| ~a17~0) .cse22 .cse3 .cse4 .cse5)) (.cse12 (< 7 |old(~a28~0)|)) (.cse18 (= |old(~a11~0)| |old(~a19~0)|)) (.cse15 (< 8 |old(~a17~0)|)) (.cse7 (not (= 1 |old(~a11~0)|)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5) .cse6 .cse7) (or .cse0 .cse8 .cse9 .cse10 .cse11) (or .cse12 .cse13 .cse14 (= 7 |old(~a17~0)|) .cse15 .cse7) (or .cse12 .cse16 .cse17) (or .cse16 .cse13 .cse18 .cse17) (or .cse13 .cse10 .cse9 .cse6) (or .cse16 .cse0 (< 0 |old(~a19~0)|) .cse17) (or .cse12 .cse13 .cse6 (and .cse19 .cse20 .cse2 .cse5)) (or .cse0 .cse14 .cse1 .cse7 .cse21 .cse17) (or .cse14 .cse12 .cse18 .cse15 .cse7 .cse21)))) [2018-10-25 00:07:44,614 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,614 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,615 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,615 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-10-25 00:07:44,615 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-10-25 00:07:44,615 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-10-25 00:07:44,615 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-10-25 00:07:44,615 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-10-25 00:07:44,615 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-10-25 00:07:44,615 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-10-25 00:07:44,615 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-10-25 00:07:44,616 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-10-25 00:07:44,616 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-10-25 00:07:44,616 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-10-25 00:07:44,616 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-10-25 00:07:44,616 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-10-25 00:07:44,616 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,616 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,616 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,616 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,617 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,617 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,617 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-10-25 00:07:44,617 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-10-25 00:07:44,617 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-10-25 00:07:44,617 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-10-25 00:07:44,617 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-10-25 00:07:44,617 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-10-25 00:07:44,617 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-10-25 00:07:44,617 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-10-25 00:07:44,618 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-10-25 00:07:44,618 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-10-25 00:07:44,618 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-10-25 00:07:44,618 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-10-25 00:07:44,618 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-10-25 00:07:44,618 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-10-25 00:07:44,618 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-10-25 00:07:44,618 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-10-25 00:07:44,618 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,618 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,619 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,619 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,619 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:07:44,619 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-10-25 00:07:44,619 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-10-25 00:07:44,619 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-10-25 00:07:44,619 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-10-25 00:07:44,619 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-10-25 00:07:44,619 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-10-25 00:07:44,619 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-10-25 00:07:44,620 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-10-25 00:07:44,620 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-10-25 00:07:44,620 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-10-25 00:07:44,620 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-10-25 00:07:44,620 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-10-25 00:07:44,620 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-10-25 00:07:44,620 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-10-25 00:07:44,620 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-10-25 00:07:44,620 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-10-25 00:07:44,620 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-10-25 00:07:44,621 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-10-25 00:07:44,621 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-10-25 00:07:44,621 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-25 00:07:44,621 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 00:07:44,621 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-25 00:07:44,621 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-25 00:07:44,622 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) (= ~a25~0 0) (= ~a19~0 1) (= ~a11~0 |old(~a11~0)|) (= |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 00:07:44,622 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-10-25 00:07:44,622 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse2 (= ~a17~0 8)) (.cse7 (= ~a21~0 1))) (let ((.cse5 (<= ~a17~0 8)) (.cse0 (= ~a11~0 0)) (.cse3 (<= ~a28~0 7)) (.cse4 (= 1 ~a25~0)) (.cse9 (and (not (= ~a28~0 0)) .cse2 (= ~a19~0 1) .cse7)) (.cse8 (not (= ~a19~0 ~a11~0))) (.cse10 (<= ~a17~0 7)) (.cse11 (not (= ~a28~0 8))) (.cse1 (<= ~a28~0 10)) (.cse6 (= ~a11~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (not .cse7) (not (= ~y~0 25)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (and .cse3 .cse8 .cse5 .cse6) (and .cse0 (and .cse4 .cse9)) (not (= ~e~0 5)) (not (= ~d~0 4)) (and .cse10 .cse3) (and .cse10 .cse4 .cse1 .cse8) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (and .cse6 (and (and .cse1 .cse9) .cse11)) (and .cse3 .cse4 .cse9) (and .cse10 (<= ~a19~0 0) .cse1 .cse8) (not (= ~z~0 26)) (and .cse10 (not (= ~a25~0 1)) .cse11 .cse1 .cse6) (not (= 0 |old(~a25~0)|)) (not (= 3 ~c~0)) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 8)) (not (= 6 ~f~0))))) [2018-10-25 00:07:44,622 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-10-25 00:07:44,622 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-10-25 00:07:44,623 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse2 (= ~a17~0 8)) (.cse7 (= ~a21~0 1))) (let ((.cse5 (<= ~a17~0 8)) (.cse0 (= ~a11~0 0)) (.cse3 (<= ~a28~0 7)) (.cse4 (= 1 ~a25~0)) (.cse9 (and (not (= ~a28~0 0)) .cse2 (= ~a19~0 1) .cse7)) (.cse8 (not (= ~a19~0 ~a11~0))) (.cse10 (<= ~a17~0 7)) (.cse11 (not (= ~a28~0 8))) (.cse1 (<= ~a28~0 10)) (.cse6 (= ~a11~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (not .cse7) (not (= ~y~0 25)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (and .cse3 .cse8 .cse5 .cse6) (and .cse0 (and .cse4 .cse9)) (not (= ~e~0 5)) (not (= ~d~0 4)) (and .cse10 .cse3) (and .cse10 .cse4 .cse1 .cse8) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (and .cse6 (and (and .cse1 .cse9) .cse11)) (and .cse3 .cse4 .cse9) (and .cse10 (<= ~a19~0 0) .cse1 .cse8) (not (= ~z~0 26)) (and .cse10 (not (= ~a25~0 1)) .cse11 .cse1 .cse6) (not (= 0 |old(~a25~0)|)) (not (= 3 ~c~0)) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= |old(~a17~0)| 8)) (not (= 6 ~f~0))))) [2018-10-25 00:07:44,623 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-10-25 00:07:44,623 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-10-25 00:07:44,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 12:07:44 BoogieIcfgContainer [2018-10-25 00:07:44,659 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-25 00:07:44,660 INFO L168 Benchmark]: Toolchain (without parser) took 89705.54 ms. Allocated memory was 1.5 GB in the beginning and 4.0 GB in the end (delta: 2.5 GB). Free memory was 1.4 GB in the beginning and 3.5 GB in the end (delta: -2.1 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-10-25 00:07:44,661 INFO L168 Benchmark]: CDTParser took 0.22 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 00:07:44,662 INFO L168 Benchmark]: CACSL2BoogieTranslator took 719.13 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 00:07:44,663 INFO L168 Benchmark]: Boogie Procedure Inliner took 177.29 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 725.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -798.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2018-10-25 00:07:44,664 INFO L168 Benchmark]: Boogie Preprocessor took 70.25 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-25 00:07:44,664 INFO L168 Benchmark]: RCFGBuilder took 3400.65 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 103.3 MB). Peak memory consumption was 103.3 MB. Max. memory is 7.1 GB. [2018-10-25 00:07:44,665 INFO L168 Benchmark]: TraceAbstraction took 85327.84 ms. Allocated memory was 2.2 GB in the beginning and 4.0 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 3.5 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-10-25 00:07:44,669 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 719.13 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 177.29 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 725.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -798.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 70.25 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3400.65 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 103.3 MB). Peak memory consumption was 103.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 85327.84 ms. Allocated memory was 2.2 GB in the beginning and 4.0 GB in the end (delta: 1.8 GB). Free memory was 2.1 GB in the beginning and 3.5 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 580]: 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: (((((((((((((((((((((((((((a11 == 0 && a28 <= 10) && a17 == 8) || (((a28 <= 7 && 1 == a25) && a17 <= 8) && a11 == 1)) || !(a21 == 1)) || !(y == 25)) || !(1 == \old(a19))) || !(x == 24)) || (((a28 <= 7 && !(a19 == a11)) && a17 <= 8) && a11 == 1)) || (a11 == 0 && 1 == a25 && ((!(a28 == 0) && a17 == 8) && a19 == 1) && a21 == 1)) || !(e == 5)) || !(d == 4)) || (a17 <= 7 && a28 <= 7)) || (((a17 <= 7 && 1 == a25) && a28 <= 10) && !(a19 == a11))) || !(21 == u)) || !(22 == v)) || !(\old(a11) == 0)) || (a11 == 1 && (a28 <= 10 && ((!(a28 == 0) && a17 == 8) && a19 == 1) && a21 == 1) && !(a28 == 8))) || ((a28 <= 7 && 1 == a25) && ((!(a28 == 0) && a17 == 8) && a19 == 1) && a21 == 1)) || (((a17 <= 7 && a19 <= 0) && a28 <= 10) && !(a19 == a11))) || !(z == 26)) || ((((a17 <= 7 && !(a25 == 1)) && !(a28 == 8)) && a28 <= 10) && a11 == 1)) || !(0 == \old(a25))) || !(3 == c)) || !(23 == w)) || !(\old(a28) == 7)) || !(a == 1)) || !(\old(a17) == 8)) || !(6 == f) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 85.2s OverallTime, 13 OverallIterations, 5 TraceHistogramMax, 48.1s AutomataDifference, 0.0s DeadEndRemovalTime, 8.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 2143 SDtfs, 9333 SDslu, 1817 SDs, 0 SdLazy, 14790 SolverSat, 2345 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.7s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 4096 GetRequests, 3782 SyntacticMatches, 151 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1431 ImplicationChecksByTransitivity, 11.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8855occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 7.4s AbstIntTime, 10 AbstIntIterations, 3 AbstIntStrong, 0.9974023280116401 AbsIntWeakeningRatio, 0.19218241042345277 AbsIntAvgWeakeningVarsNumRemoved, 7.817589576547231 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 2004 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 322 PreInvPairs, 444 NumberOfFragments, 976 HoareAnnotationTreeSize, 322 FomulaSimplifications, 22232 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 17905 FormulaSimplificationTreeSizeReductionInter, 7.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 9.4s InterpolantComputationTime, 4385 NumberOfCodeBlocks, 4385 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 6008 ConstructedInterpolants, 0 QuantifiedInterpolants, 2882289 SizeOfPredicates, 5 NumberOfNonLiveVariables, 3658 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 27 InterpolantComputations, 10 PerfectInterpolantSequences, 3029/3310 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...