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_label04_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d380424 [2018-10-25 00:04:23,231 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-25 00:04:23,233 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-25 00:04:23,246 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-25 00:04:23,246 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-25 00:04:23,247 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-25 00:04:23,249 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-25 00:04:23,250 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-25 00:04:23,252 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-25 00:04:23,253 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-25 00:04:23,254 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-25 00:04:23,254 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-25 00:04:23,255 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-25 00:04:23,256 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-25 00:04:23,257 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-25 00:04:23,258 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-25 00:04:23,259 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-25 00:04:23,261 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-25 00:04:23,264 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-25 00:04:23,266 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-25 00:04:23,267 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-25 00:04:23,268 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-25 00:04:23,271 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-25 00:04:23,281 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 00:04:23,297 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-25 00:04:23,298 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-25 00:04:23,299 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-25 00:04:23,299 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-25 00:04:23,299 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-25 00:04:23,300 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-25 00:04:23,300 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-25 00:04:23,300 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-25 00:04:23,300 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-25 00:04:23,301 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-25 00:04:23,301 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-25 00:04:23,301 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-25 00:04:23,301 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-25 00:04:23,301 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-25 00:04:23,302 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-25 00:04:23,303 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-25 00:04:23,303 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-25 00:04:23,303 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-25 00:04:23,303 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-25 00:04:23,303 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-25 00:04:23,304 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-25 00:04:23,304 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-25 00:04:23,304 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-25 00:04:23,304 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-25 00:04:23,305 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-25 00:04:23,305 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-25 00:04:23,305 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-25 00:04:23,305 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-25 00:04:23,305 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-25 00:04:23,306 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-25 00:04:23,306 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-25 00:04:23,306 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-25 00:04:23,306 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-25 00:04:23,307 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-25 00:04:23,307 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-25 00:04:23,307 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-25 00:04:23,354 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-25 00:04:23,370 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-25 00:04:23,373 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-25 00:04:23,375 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-25 00:04:23,375 INFO L276 PluginConnector]: CDTParser initialized [2018-10-25 00:04:23,376 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label04_true-unreach-call_false-termination.c [2018-10-25 00:04:23,440 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/26802fa41/4639676137314ae8a0877726501a0a38/FLAG69b99edd4 [2018-10-25 00:04:24,012 INFO L298 CDTParser]: Found 1 translation units. [2018-10-25 00:04:24,013 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label04_true-unreach-call_false-termination.c [2018-10-25 00:04:24,034 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/26802fa41/4639676137314ae8a0877726501a0a38/FLAG69b99edd4 [2018-10-25 00:04:24,059 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/26802fa41/4639676137314ae8a0877726501a0a38 [2018-10-25 00:04:24,072 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-25 00:04:24,074 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-25 00:04:24,075 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-25 00:04:24,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-25 00:04:24,079 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-25 00:04:24,080 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 12:04:24" (1/1) ... [2018-10-25 00:04:24,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bedfbfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:24, skipping insertion in model container [2018-10-25 00:04:24,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 12:04:24" (1/1) ... [2018-10-25 00:04:24,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-25 00:04:24,148 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-25 00:04:24,602 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 00:04:24,606 INFO L189 MainTranslator]: Completed pre-run [2018-10-25 00:04:24,703 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-25 00:04:24,728 INFO L193 MainTranslator]: Completed translation [2018-10-25 00:04:24,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:24 WrapperNode [2018-10-25 00:04:24,729 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-25 00:04:24,730 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-25 00:04:24,730 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-25 00:04:24,730 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-25 00:04:24,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:24" (1/1) ... [2018-10-25 00:04:24,767 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:24" (1/1) ... [2018-10-25 00:04:24,931 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-25 00:04:24,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-25 00:04:24,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-25 00:04:24,932 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-25 00:04:24,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:24" (1/1) ... [2018-10-25 00:04:24,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:24" (1/1) ... [2018-10-25 00:04:24,946 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:24" (1/1) ... [2018-10-25 00:04:24,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:24" (1/1) ... [2018-10-25 00:04:24,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:24" (1/1) ... [2018-10-25 00:04:25,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:24" (1/1) ... [2018-10-25 00:04:25,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:24" (1/1) ... [2018-10-25 00:04:25,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-25 00:04:25,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-25 00:04:25,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-25 00:04:25,026 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-25 00:04:25,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:24" (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 00:04:25,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-25 00:04:25,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-25 00:04:25,097 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-25 00:04:25,098 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-25 00:04:25,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-25 00:04:25,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-25 00:04:25,098 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-25 00:04:25,098 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-25 00:04:28,529 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-25 00:04:28,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:04:28 BoogieIcfgContainer [2018-10-25 00:04:28,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-25 00:04:28,531 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-25 00:04:28,531 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-25 00:04:28,535 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-25 00:04:28,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 12:04:24" (1/3) ... [2018-10-25 00:04:28,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28ba61ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 12:04:28, skipping insertion in model container [2018-10-25 00:04:28,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:04:24" (2/3) ... [2018-10-25 00:04:28,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28ba61ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 12:04:28, skipping insertion in model container [2018-10-25 00:04:28,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:04:28" (3/3) ... [2018-10-25 00:04:28,539 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label04_true-unreach-call_false-termination.c [2018-10-25 00:04:28,553 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-25 00:04:28,565 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-25 00:04:28,586 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-25 00:04:28,644 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-25 00:04:28,644 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-25 00:04:28,645 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-25 00:04:28,645 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-25 00:04:28,645 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-25 00:04:28,646 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-25 00:04:28,646 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-25 00:04:28,646 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-25 00:04:28,690 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-10-25 00:04:28,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-25 00:04:28,711 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:04:28,714 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] [2018-10-25 00:04:28,716 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:04:28,724 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:04:28,725 INFO L82 PathProgramCache]: Analyzing trace with hash -744241401, now seen corresponding path program 1 times [2018-10-25 00:04:28,728 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:04:28,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:28,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:04:28,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:28,792 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:04:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:04:29,535 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 00:04:29,538 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:04:29,538 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-25 00:04:29,539 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:04:29,545 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-25 00:04:29,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-25 00:04:29,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 00:04:29,568 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-10-25 00:04:31,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:04:31,078 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-10-25 00:04:31,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-25 00:04:31,080 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2018-10-25 00:04:31,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:04:31,100 INFO L225 Difference]: With dead ends: 618 [2018-10-25 00:04:31,100 INFO L226 Difference]: Without dead ends: 379 [2018-10-25 00:04:31,108 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-25 00:04:31,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-10-25 00:04:31,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2018-10-25 00:04:31,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-10-25 00:04:31,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 621 transitions. [2018-10-25 00:04:31,224 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 621 transitions. Word has length 113 [2018-10-25 00:04:31,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:04:31,225 INFO L481 AbstractCegarLoop]: Abstraction has 379 states and 621 transitions. [2018-10-25 00:04:31,225 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-25 00:04:31,227 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 621 transitions. [2018-10-25 00:04:31,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-10-25 00:04:31,241 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:04:31,242 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] [2018-10-25 00:04:31,244 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:04:31,244 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:04:31,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1318428498, now seen corresponding path program 1 times [2018-10-25 00:04:31,245 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:04:31,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:31,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:04:31,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:31,249 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:04:31,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:04:31,519 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-10-25 00:04:31,579 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 00:04:31,579 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:04:31,580 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-25 00:04:31,580 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:04:31,582 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 00:04:31,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 00:04:31,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 00:04:31,583 INFO L87 Difference]: Start difference. First operand 379 states and 621 transitions. Second operand 6 states. [2018-10-25 00:04:33,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:04:33,874 INFO L93 Difference]: Finished difference Result 1229 states and 2094 transitions. [2018-10-25 00:04:33,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-25 00:04:33,881 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2018-10-25 00:04:33,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:04:33,895 INFO L225 Difference]: With dead ends: 1229 [2018-10-25 00:04:33,895 INFO L226 Difference]: Without dead ends: 856 [2018-10-25 00:04:33,906 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-25 00:04:33,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2018-10-25 00:04:33,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 823. [2018-10-25 00:04:33,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 823 states. [2018-10-25 00:04:33,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1292 transitions. [2018-10-25 00:04:33,986 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1292 transitions. Word has length 129 [2018-10-25 00:04:33,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:04:33,987 INFO L481 AbstractCegarLoop]: Abstraction has 823 states and 1292 transitions. [2018-10-25 00:04:33,987 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 00:04:33,987 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1292 transitions. [2018-10-25 00:04:33,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-25 00:04:33,998 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:04:33,998 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:04:33,999 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:04:33,999 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:04:33,999 INFO L82 PathProgramCache]: Analyzing trace with hash -1830664699, now seen corresponding path program 1 times [2018-10-25 00:04:33,999 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:04:34,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:34,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:04:34,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:34,003 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:04:34,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:04:34,535 WARN L179 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-25 00:04:34,774 WARN L179 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-25 00:04:34,846 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:04:34,846 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-25 00:04:34,846 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-25 00:04:34,846 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:04:34,847 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-25 00:04:34,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-25 00:04:34,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-25 00:04:34,848 INFO L87 Difference]: Start difference. First operand 823 states and 1292 transitions. Second operand 5 states. [2018-10-25 00:04:37,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:04:37,823 INFO L93 Difference]: Finished difference Result 1778 states and 2834 transitions. [2018-10-25 00:04:37,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-25 00:04:37,825 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 140 [2018-10-25 00:04:37,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:04:37,836 INFO L225 Difference]: With dead ends: 1778 [2018-10-25 00:04:37,836 INFO L226 Difference]: Without dead ends: 813 [2018-10-25 00:04:37,840 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-25 00:04:37,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2018-10-25 00:04:37,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 813. [2018-10-25 00:04:37,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 813 states. [2018-10-25 00:04:37,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 1260 transitions. [2018-10-25 00:04:37,885 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 1260 transitions. Word has length 140 [2018-10-25 00:04:37,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:04:37,885 INFO L481 AbstractCegarLoop]: Abstraction has 813 states and 1260 transitions. [2018-10-25 00:04:37,885 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-25 00:04:37,886 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1260 transitions. [2018-10-25 00:04:37,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-25 00:04:37,891 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:04:37,891 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:04:37,892 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:04:37,892 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:04:37,892 INFO L82 PathProgramCache]: Analyzing trace with hash 654500000, now seen corresponding path program 1 times [2018-10-25 00:04:37,892 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:04:37,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:37,895 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:04:37,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:37,896 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:04:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:04:38,158 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 61 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-25 00:04:38,158 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:04:38,158 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:04:38,159 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 182 with the following transitions: [2018-10-25 00:04:38,161 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [225], [228], [232], [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], [575], [577], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:04:38,216 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:04:38,217 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:04:38,767 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:04:38,769 INFO L272 AbstractInterpreter]: Visited 114 different actions 114 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-10-25 00:04:38,803 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:04:38,803 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:04:39,364 INFO L232 lantSequenceWeakener]: Weakened 170 states. On average, predicates are now at 80.82% of their original sizes. [2018-10-25 00:04:39,364 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:04:39,457 INFO L413 sIntCurrentIteration]: We have 180 unified AI predicates [2018-10-25 00:04:39,458 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:04:39,459 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:04:39,459 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-10-25 00:04:39,459 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:04:39,460 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-25 00:04:39,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-25 00:04:39,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-25 00:04:39,461 INFO L87 Difference]: Start difference. First operand 813 states and 1260 transitions. Second operand 6 states. [2018-10-25 00:04:48,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:04:48,368 INFO L93 Difference]: Finished difference Result 1770 states and 2737 transitions. [2018-10-25 00:04:48,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-25 00:04:48,369 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 181 [2018-10-25 00:04:48,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:04:48,374 INFO L225 Difference]: With dead ends: 1770 [2018-10-25 00:04:48,374 INFO L226 Difference]: Without dead ends: 963 [2018-10-25 00:04:48,377 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 181 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-25 00:04:48,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2018-10-25 00:04:48,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 960. [2018-10-25 00:04:48,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 960 states. [2018-10-25 00:04:48,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 960 states and 1414 transitions. [2018-10-25 00:04:48,407 INFO L78 Accepts]: Start accepts. Automaton has 960 states and 1414 transitions. Word has length 181 [2018-10-25 00:04:48,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:04:48,407 INFO L481 AbstractCegarLoop]: Abstraction has 960 states and 1414 transitions. [2018-10-25 00:04:48,407 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-25 00:04:48,408 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1414 transitions. [2018-10-25 00:04:48,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-25 00:04:48,412 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:04:48,413 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:04:48,413 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:04:48,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:04:48,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1852596897, now seen corresponding path program 1 times [2018-10-25 00:04:48,414 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:04:48,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:48,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:04:48,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:04:48,415 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:04:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:04:48,789 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 73 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-25 00:04:48,789 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:04:48,789 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:04:48,790 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 192 with the following transitions: [2018-10-25 00:04:48,790 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [225], [228], [232], [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], [575], [577], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:04:48,796 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:04:48,796 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:04:49,388 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:04:49,389 INFO L272 AbstractInterpreter]: Visited 118 different actions 351 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 00:04:49,405 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:04:49,405 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:04:50,834 INFO L232 lantSequenceWeakener]: Weakened 3 states. On average, predicates are now at 82.41% of their original sizes. [2018-10-25 00:04:50,834 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:04:55,558 INFO L413 sIntCurrentIteration]: We have 190 unified AI predicates [2018-10-25 00:04:55,559 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:04:55,559 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:04:55,559 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [9] total 19 [2018-10-25 00:04:55,559 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:04:55,560 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-25 00:04:55,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-25 00:04:55,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2018-10-25 00:04:55,560 INFO L87 Difference]: Start difference. First operand 960 states and 1414 transitions. Second operand 12 states. [2018-10-25 00:05:08,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:05:08,881 INFO L93 Difference]: Finished difference Result 2873 states and 4188 transitions. [2018-10-25 00:05:08,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-25 00:05:08,882 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 191 [2018-10-25 00:05:08,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:05:08,892 INFO L225 Difference]: With dead ends: 2873 [2018-10-25 00:05:08,892 INFO L226 Difference]: Without dead ends: 1919 [2018-10-25 00:05:08,896 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 194 GetRequests, 30 SyntacticMatches, 150 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 730 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2018-10-25 00:05:08,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1919 states. [2018-10-25 00:05:08,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1919 to 1661. [2018-10-25 00:05:08,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1661 states. [2018-10-25 00:05:08,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1661 states to 1661 states and 2310 transitions. [2018-10-25 00:05:08,951 INFO L78 Accepts]: Start accepts. Automaton has 1661 states and 2310 transitions. Word has length 191 [2018-10-25 00:05:08,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:05:08,951 INFO L481 AbstractCegarLoop]: Abstraction has 1661 states and 2310 transitions. [2018-10-25 00:05:08,951 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-25 00:05:08,952 INFO L276 IsEmpty]: Start isEmpty. Operand 1661 states and 2310 transitions. [2018-10-25 00:05:08,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-10-25 00:05:08,959 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:05:08,959 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:05:08,959 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:05:08,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:05:08,960 INFO L82 PathProgramCache]: Analyzing trace with hash -497693639, now seen corresponding path program 1 times [2018-10-25 00:05:08,960 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:05:08,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:08,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:05:08,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:08,961 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:05:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:05:09,203 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 106 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-25 00:05:09,204 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:05:09,204 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:05:09,204 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 218 with the following transitions: [2018-10-25 00:05:09,205 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [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], [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], [575], [577], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:05:09,209 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:05:09,209 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:05:09,406 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-25 00:05:09,406 INFO L272 AbstractInterpreter]: Visited 118 different actions 230 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-10-25 00:05:09,412 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:05:09,412 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-25 00:05:09,850 INFO L232 lantSequenceWeakener]: Weakened 212 states. On average, predicates are now at 80.84% of their original sizes. [2018-10-25 00:05:09,851 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-25 00:05:10,256 INFO L413 sIntCurrentIteration]: We have 216 unified AI predicates [2018-10-25 00:05:10,256 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-25 00:05:10,256 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:05:10,256 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-10-25 00:05:10,256 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:05:10,257 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-25 00:05:10,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-25 00:05:10,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-25 00:05:10,257 INFO L87 Difference]: Start difference. First operand 1661 states and 2310 transitions. Second operand 10 states. [2018-10-25 00:05:15,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:05:15,349 INFO L93 Difference]: Finished difference Result 3774 states and 5254 transitions. [2018-10-25 00:05:15,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-10-25 00:05:15,349 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 217 [2018-10-25 00:05:15,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:05:15,361 INFO L225 Difference]: With dead ends: 3774 [2018-10-25 00:05:15,361 INFO L226 Difference]: Without dead ends: 2263 [2018-10-25 00:05:15,367 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 226 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-10-25 00:05:15,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2263 states. [2018-10-25 00:05:15,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2263 to 2259. [2018-10-25 00:05:15,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2259 states. [2018-10-25 00:05:15,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2259 states to 2259 states and 2997 transitions. [2018-10-25 00:05:15,439 INFO L78 Accepts]: Start accepts. Automaton has 2259 states and 2997 transitions. Word has length 217 [2018-10-25 00:05:15,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:05:15,439 INFO L481 AbstractCegarLoop]: Abstraction has 2259 states and 2997 transitions. [2018-10-25 00:05:15,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-25 00:05:15,439 INFO L276 IsEmpty]: Start isEmpty. Operand 2259 states and 2997 transitions. [2018-10-25 00:05:15,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-10-25 00:05:15,448 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:05:15,448 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:05:15,448 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:05:15,449 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:05:15,449 INFO L82 PathProgramCache]: Analyzing trace with hash -2013084095, now seen corresponding path program 1 times [2018-10-25 00:05:15,449 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:05:15,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:15,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:05:15,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:15,450 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:05:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:05:15,711 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-10-25 00:05:16,108 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 120 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-25 00:05:16,109 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:05:16,109 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:05:16,109 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 222 with the following transitions: [2018-10-25 00:05:16,109 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], [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], [575], [577], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:05:16,115 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:05:16,115 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:05:16,555 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:05:16,555 INFO L272 AbstractInterpreter]: Visited 121 different actions 356 times. Merged at 8 different actions 21 times. Never widened. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-25 00:05:16,561 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:05:16,562 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:05:16,562 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:05:16,562 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 00:05:16,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:05:16,570 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:05:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:05:16,681 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:05:16,944 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-25 00:05:16,944 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:05:17,380 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-25 00:05:17,415 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-25 00:05:17,415 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 16 [2018-10-25 00:05:17,415 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-25 00:05:17,416 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-25 00:05:17,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-25 00:05:17,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2018-10-25 00:05:17,418 INFO L87 Difference]: Start difference. First operand 2259 states and 2997 transitions. Second operand 15 states. [2018-10-25 00:05:18,198 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-25 00:05:21,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:05:21,804 INFO L93 Difference]: Finished difference Result 4983 states and 6907 transitions. [2018-10-25 00:05:21,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-10-25 00:05:21,805 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 221 [2018-10-25 00:05:21,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:05:21,825 INFO L225 Difference]: With dead ends: 4983 [2018-10-25 00:05:21,825 INFO L226 Difference]: Without dead ends: 3252 [2018-10-25 00:05:21,833 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 478 GetRequests, 449 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=222, Invalid=534, Unknown=0, NotChecked=0, Total=756 [2018-10-25 00:05:21,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3252 states. [2018-10-25 00:05:21,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3252 to 3178. [2018-10-25 00:05:21,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3178 states. [2018-10-25 00:05:21,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3178 states to 3178 states and 3941 transitions. [2018-10-25 00:05:21,950 INFO L78 Accepts]: Start accepts. Automaton has 3178 states and 3941 transitions. Word has length 221 [2018-10-25 00:05:21,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:05:21,951 INFO L481 AbstractCegarLoop]: Abstraction has 3178 states and 3941 transitions. [2018-10-25 00:05:21,951 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-25 00:05:21,951 INFO L276 IsEmpty]: Start isEmpty. Operand 3178 states and 3941 transitions. [2018-10-25 00:05:21,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-10-25 00:05:21,963 INFO L367 BasicCegarLoop]: Found error trace [2018-10-25 00:05:21,963 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-25 00:05:21,964 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-25 00:05:21,964 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:05:21,964 INFO L82 PathProgramCache]: Analyzing trace with hash 272781301, now seen corresponding path program 1 times [2018-10-25 00:05:21,964 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-25 00:05:21,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:21,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:05:21,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-25 00:05:21,965 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-25 00:05:21,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:05:22,208 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 120 proven. 28 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-25 00:05:22,209 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:05:22,209 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-25 00:05:22,209 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 228 with the following transitions: [2018-10-25 00:05:22,209 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], [99], [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], [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], [575], [577], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-25 00:05:22,215 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-10-25 00:05:22,215 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-25 00:05:23,159 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-25 00:05:23,159 INFO L272 AbstractInterpreter]: Visited 121 different actions 478 times. Merged at 8 different actions 34 times. Widened at 1 different actions 1 times. Found 6 fixpoints after 4 different actions. Largest state had 38 variables. [2018-10-25 00:05:23,188 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-25 00:05:23,189 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-25 00:05:23,189 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-25 00:05:23,189 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 00:05:23,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-25 00:05:23,202 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-25 00:05:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-25 00:05:23,309 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-25 00:05:23,424 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-10-25 00:05:23,424 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-25 00:05:23,928 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-10-25 00:05:23,950 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-10-25 00:05:23,951 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-10-25 00:05:23,951 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-25 00:05:23,952 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-25 00:05:23,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-25 00:05:23,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-10-25 00:05:23,953 INFO L87 Difference]: Start difference. First operand 3178 states and 3941 transitions. Second operand 3 states. [2018-10-25 00:05:24,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-25 00:05:24,603 INFO L93 Difference]: Finished difference Result 6702 states and 8567 transitions. [2018-10-25 00:05:24,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-25 00:05:24,603 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 227 [2018-10-25 00:05:24,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-25 00:05:24,604 INFO L225 Difference]: With dead ends: 6702 [2018-10-25 00:05:24,604 INFO L226 Difference]: Without dead ends: 0 [2018-10-25 00:05:24,622 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 459 GetRequests, 452 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-10-25 00:05:24,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-25 00:05:24,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-25 00:05:24,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-25 00:05:24,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-25 00:05:24,623 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 227 [2018-10-25 00:05:24,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-25 00:05:24,623 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-25 00:05:24,623 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-25 00:05:24,623 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-25 00:05:24,624 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-25 00:05:24,629 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-25 00:05:24,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:24,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:24,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:24,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:24,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:25,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-25 00:05:25,345 WARN L179 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2018-10-25 00:05:25,693 WARN L179 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 77 [2018-10-25 00:05:26,585 WARN L179 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 63 [2018-10-25 00:05:26,923 WARN L179 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 86 [2018-10-25 00:05:27,257 WARN L179 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 86 [2018-10-25 00:05:27,262 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-25 00:05:27,262 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|)) [2018-10-25 00:05:27,262 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-25 00:05:27,262 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,262 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,262 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,263 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,263 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,263 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-10-25 00:05:27,263 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-10-25 00:05:27,263 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-10-25 00:05:27,263 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-10-25 00:05:27,263 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-10-25 00:05:27,263 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-10-25 00:05:27,263 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-10-25 00:05:27,264 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-10-25 00:05:27,264 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-10-25 00:05:27,264 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-10-25 00:05:27,264 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-10-25 00:05:27,264 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-10-25 00:05:27,264 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-10-25 00:05:27,264 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,264 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,264 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,265 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,265 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-10-25 00:05:27,265 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,265 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-10-25 00:05:27,265 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-10-25 00:05:27,265 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-10-25 00:05:27,265 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-10-25 00:05:27,265 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-10-25 00:05:27,265 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-10-25 00:05:27,266 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-10-25 00:05:27,266 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-10-25 00:05:27,266 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-10-25 00:05:27,266 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-10-25 00:05:27,266 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-10-25 00:05:27,266 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-10-25 00:05:27,266 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-10-25 00:05:27,266 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-10-25 00:05:27,266 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-10-25 00:05:27,266 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,267 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 490) no Hoare annotation was computed. [2018-10-25 00:05:27,267 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,267 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,267 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,267 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,267 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-10-25 00:05:27,267 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-10-25 00:05:27,267 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-10-25 00:05:27,267 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-10-25 00:05:27,268 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-10-25 00:05:27,268 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-10-25 00:05:27,268 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-10-25 00:05:27,268 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-10-25 00:05:27,268 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-10-25 00:05:27,268 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-10-25 00:05:27,268 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-10-25 00:05:27,268 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,268 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,269 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,269 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,269 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,269 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-10-25 00:05:27,269 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-10-25 00:05:27,269 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-10-25 00:05:27,269 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-10-25 00:05:27,269 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-10-25 00:05:27,269 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-10-25 00:05:27,270 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-10-25 00:05:27,270 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-10-25 00:05:27,270 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-10-25 00:05:27,270 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-10-25 00:05:27,270 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-10-25 00:05:27,270 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-10-25 00:05:27,270 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-10-25 00:05:27,270 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,270 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,271 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,271 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,271 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,271 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-10-25 00:05:27,271 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-10-25 00:05:27,271 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-10-25 00:05:27,271 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-10-25 00:05:27,271 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-10-25 00:05:27,271 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-10-25 00:05:27,271 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-10-25 00:05:27,272 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-10-25 00:05:27,272 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-10-25 00:05:27,272 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-10-25 00:05:27,272 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-10-25 00:05:27,272 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-10-25 00:05:27,272 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-10-25 00:05:27,272 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-10-25 00:05:27,272 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-10-25 00:05:27,272 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-10-25 00:05:27,272 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,273 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,273 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,273 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,273 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-10-25 00:05:27,273 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,273 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-10-25 00:05:27,273 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,273 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-10-25 00:05:27,273 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-10-25 00:05:27,273 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-10-25 00:05:27,273 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,273 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,273 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-10-25 00:05:27,273 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-10-25 00:05:27,274 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-10-25 00:05:27,274 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-10-25 00:05:27,274 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-10-25 00:05:27,274 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-10-25 00:05:27,274 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-10-25 00:05:27,274 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-10-25 00:05:27,274 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-10-25 00:05:27,274 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-10-25 00:05:27,274 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-10-25 00:05:27,274 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,274 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,275 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,275 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,275 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,275 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,275 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-10-25 00:05:27,275 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-10-25 00:05:27,275 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-10-25 00:05:27,275 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-10-25 00:05:27,275 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-10-25 00:05:27,275 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-10-25 00:05:27,276 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-10-25 00:05:27,276 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-10-25 00:05:27,276 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-10-25 00:05:27,276 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-10-25 00:05:27,276 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-10-25 00:05:27,276 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,276 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,276 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,276 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,276 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,277 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,277 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-10-25 00:05:27,277 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-10-25 00:05:27,277 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-10-25 00:05:27,277 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-10-25 00:05:27,277 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-10-25 00:05:27,277 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-10-25 00:05:27,277 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-10-25 00:05:27,277 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-10-25 00:05:27,277 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-10-25 00:05:27,277 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-10-25 00:05:27,277 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-10-25 00:05:27,277 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-10-25 00:05:27,277 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-10-25 00:05:27,278 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-10-25 00:05:27,278 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,278 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,278 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,278 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse3 (= |old(~a28~0)| ~a28~0)) (.cse4 (= |old(~a19~0)| ~a19~0)) (.cse5 (= ~a11~0 |old(~a11~0)|)) (.cse6 (= 7 ~a17~0))) (let ((.cse7 (not (= 1 |old(~a19~0)|))) (.cse0 (not (= 1 ~a21~0))) (.cse1 (and .cse3 .cse4 .cse5 .cse6)) (.cse8 (= |old(~a17~0)| |old(~a28~0)|)) (.cse2 (not (= 7 |old(~a17~0)|)))) (and (or .cse0 (< |old(~a28~0)| 10) .cse1 .cse2) (or .cse0 (and .cse3 .cse4 .cse5 (= ~a17~0 |old(~a17~0)|)) (not (= |old(~a17~0)| 8))) (or .cse0 (and (= 7 ~a28~0) (= 1 ~a11~0) .cse6 (= 1 ~a25~0) (= 1 ~a19~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a25~0)|)) .cse7 (not (= 1 |old(~a11~0)|)) .cse2) (or (or .cse0 .cse7 (= 0 |old(~a28~0)|) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (= |calculate_output_#in~input| 0) (not (= 0 |old(~a25~0)|))) .cse8 (= ~a25~0 0)) (or .cse0 .cse1 .cse8 (= |old(~a11~0)| |old(~a19~0)|) .cse2)))) [2018-10-25 00:05:27,278 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,278 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,279 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,279 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-10-25 00:05:27,279 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-10-25 00:05:27,279 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-10-25 00:05:27,279 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-10-25 00:05:27,279 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-10-25 00:05:27,279 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-10-25 00:05:27,279 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-10-25 00:05:27,279 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-10-25 00:05:27,279 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-10-25 00:05:27,279 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-10-25 00:05:27,280 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-10-25 00:05:27,280 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-10-25 00:05:27,280 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-10-25 00:05:27,280 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,280 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,280 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,280 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,280 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,280 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,280 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-10-25 00:05:27,280 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-10-25 00:05:27,280 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-10-25 00:05:27,280 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-10-25 00:05:27,280 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-10-25 00:05:27,281 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-10-25 00:05:27,281 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-10-25 00:05:27,281 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-10-25 00:05:27,281 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-10-25 00:05:27,281 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-10-25 00:05:27,281 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-10-25 00:05:27,281 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-10-25 00:05:27,281 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-10-25 00:05:27,281 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-10-25 00:05:27,281 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-10-25 00:05:27,281 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-10-25 00:05:27,281 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,281 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,281 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,281 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,282 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-10-25 00:05:27,282 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-10-25 00:05:27,282 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-10-25 00:05:27,282 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-10-25 00:05:27,282 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-10-25 00:05:27,282 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-10-25 00:05:27,282 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-10-25 00:05:27,282 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-10-25 00:05:27,282 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-10-25 00:05:27,282 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-10-25 00:05:27,282 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-10-25 00:05:27,282 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-10-25 00:05:27,282 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-10-25 00:05:27,282 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-10-25 00:05:27,283 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-10-25 00:05:27,283 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-10-25 00:05:27,283 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-10-25 00:05:27,283 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-10-25 00:05:27,283 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-10-25 00:05:27,283 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-10-25 00:05:27,283 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-25 00:05:27,283 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) (= ~x~0 24) (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a~0 1) (= ~a19~0 1) (= ~a28~0 7)) [2018-10-25 00:05:27,283 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-25 00:05:27,283 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-25 00:05:27,283 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a11~0)| 0)) (not (= ~v~0 22)) (not (= ~u~0 21)) (and (= ~a25~0 0) (= ~a19~0 1) (= ~a11~0 |old(~a11~0)|) (= |old(~a28~0)| ~a28~0) (= ~a17~0 8)) (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 00:05:27,284 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-10-25 00:05:27,284 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse0 (= 7 ~a17~0))) (or (and (<= 10 ~a28~0) .cse0) (not (= |old(~a11~0)| 0)) (not (= ~v~0 22)) (= |old(~a17~0)| ~a17~0) (and (= 7 ~a28~0) (= 1 ~a11~0) .cse0 (= 1 ~a25~0) (= 1 ~a19~0)) (not (= ~u~0 21)) (not (= ~a21~0 1)) (not (= ~y~0 25)) (and (not (= ~a28~0 ~a17~0)) .cse0 (not (= ~a19~0 ~a11~0))) (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 00:05:27,284 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-10-25 00:05:27,284 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-10-25 00:05:27,284 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (= 7 ~a17~0))) (or (and (<= 10 ~a28~0) .cse0) (not (= |old(~a11~0)| 0)) (not (= ~v~0 22)) (= |old(~a17~0)| ~a17~0) (and (= 7 ~a28~0) (= 1 ~a11~0) .cse0 (= 1 ~a25~0) (= 1 ~a19~0)) (not (= ~u~0 21)) (not (= ~a21~0 1)) (not (= ~y~0 25)) (and (not (= ~a28~0 ~a17~0)) .cse0 (not (= ~a19~0 ~a11~0))) (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 00:05:27,284 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-10-25 00:05:27,284 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-10-25 00:05:27,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 12:05:27 BoogieIcfgContainer [2018-10-25 00:05:27,298 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-25 00:05:27,298 INFO L168 Benchmark]: Toolchain (without parser) took 63225.38 ms. Allocated memory was 1.5 GB in the beginning and 3.7 GB in the end (delta: 2.2 GB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -837.5 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-10-25 00:05:27,299 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-25 00:05:27,300 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.06 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 00:05:27,301 INFO L168 Benchmark]: Boogie Procedure Inliner took 201.79 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 740.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -827.4 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2018-10-25 00:05:27,302 INFO L168 Benchmark]: Boogie Preprocessor took 93.15 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2018-10-25 00:05:27,303 INFO L168 Benchmark]: RCFGBuilder took 3504.66 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 102.7 MB). Peak memory consumption was 102.7 MB. Max. memory is 7.1 GB. [2018-10-25 00:05:27,303 INFO L168 Benchmark]: TraceAbstraction took 58766.63 ms. Allocated memory was 2.3 GB in the beginning and 3.7 GB in the end (delta: 1.5 GB). Free memory was 2.1 GB in the beginning and 2.3 GB in the end (delta: -157.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-10-25 00:05:27,308 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 654.06 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 201.79 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 740.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -827.4 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.15 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3504.66 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 102.7 MB). Peak memory consumption was 102.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 58766.63 ms. Allocated memory was 2.3 GB in the beginning and 3.7 GB in the end (delta: 1.5 GB). Free memory was 2.1 GB in the beginning and 2.3 GB in the end (delta: -157.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 490]: 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: ((((((((((((((((((((10 <= a28 && 7 == a17) || !(\old(a11) == 0)) || !(v == 22)) || \old(a17) == a17) || ((((7 == a28 && 1 == a11) && 7 == a17) && 1 == a25) && 1 == a19)) || !(u == 21)) || !(a21 == 1)) || !(y == 25)) || ((!(a28 == a17) && 7 == a17) && !(a19 == a11))) || !(3 == c)) || !(\old(a25) == 0)) || !(\old(a28) == 7)) || !(a == 1)) || !(26 == z)) || !(1 == \old(a19))) || !(x == 24)) || !(8 == \old(a17))) || !(e == 5)) || !(d == 4)) || !(6 == f)) || !(w == 23) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 58.6s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 39.3s AutomataDifference, 0.0s DeadEndRemovalTime, 2.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1417 SDtfs, 7080 SDslu, 1135 SDs, 0 SdLazy, 9290 SolverSat, 1475 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.9s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1561 GetRequests, 1324 SyntacticMatches, 158 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 958 ImplicationChecksByTransitivity, 7.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3178occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.8s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.9974678165704063 AbsIntWeakeningRatio, 0.2098976109215017 AbsIntAvgWeakeningVarsNumRemoved, 8.627986348122867 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 372 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 84 PreInvPairs, 138 NumberOfFragments, 517 HoareAnnotationTreeSize, 84 FomulaSimplifications, 8824 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7379 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 1867 NumberOfCodeBlocks, 1867 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2303 ConstructedInterpolants, 0 QuantifiedInterpolants, 1228229 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1055 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 5 PerfectInterpolantSequences, 1160/1261 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...